Chip Resistors Brochure Datasheet by Yageo

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Current Sensing
Chip Resistors
2
About Yageo
Founded in 1977, the Yageo Corporation has become a
world-class provider of passive component services with
capabilities on a global scale, including production and sales
facilities in Asia, Europe and the Americas.
Yageo currently ranks as the world No.1 in chip-resistors,
No. 3 in MLCCs and No. 4 in ferrite products, with a
strong global presence: 21 sales offices in 15 countries, 9
production sites, 8 JIT logistic hubs, and 2 R&D centers
worldwide. Ferroxcube and Vitrohm, who produce ferrites
and leaded resistors, are also a part of the Yageo group.
We support our customers with extensive literature
including datasheets, brochures and application notes, which
are also available electronically on our website at:
www.yageo.com
Table of Contents
Introduction ............................................................. 3
Current-Sensing Circuit Applications .........4
Market Applications .............................................6
Product Portfolio ...................................................7
Product Selection Tables ................................ 10
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3
Current Sensing Chip Resistors Introduction
Introduction
Low Resistance, High Power for Current Sensing Applications
Current measurement is very important in power and instrumentation systems for circuit control, protection,
monitoring, and performance enhancement. Engineers in power supply and battery circuit designs need to consider
a give-and-take strategy between low resistance values to minimize power losses and sufficient voltage supplies to
avoid noises generated from the environments or particularly in switch mode power supplies.
Yageo’s current-sensing chip resistors are also fully compatible with today’s high volume pick-and-place assembly
systems. As such, they offer attractive, cost-effective solutions to designers of low voltage power supplies and
battery management systems. Featuring a comprehensive resistance range of 0.5 milli-ohms to 1 ohm (low-ohmic),
and available from 0.05 to 5 watts, they are not only applicable to battery packs, power supplies and converters, but
also suitable for use in diverse power control circuits of tablets, notebook computers and hard disks.
Yageo now offers three types of surface-mount (SMT) current-sensing chip resistors based on thick film, metal foil,
and metal plate technologies, with scalable product portfolios to meet the various demands of customers and their
applications.
Main Features of Yageo’s Current-Sensing Chip Resistors
• Lowresistancevaluefrom1mΩto20mΩforminimizingpowerlosses.
• High power-rating from 0.05 to 5 watts.
• Tight tolerance within 2% to exhibit actual current via voltage reading.
• Low TCR to avoid measurement distortions. TCR ranges from 50 to 100ppm/ºC
for metal and 100 to 1500ppm/ºC for thick film current sensors.
• Scalable off-the-shelf products in standard case sizes.
• Compatibility with surface-mount assembly process.
• RoHS/REACH-compliant & Halogen-free.
The low temperature coefficient of resistance (TCR) of Yageo's current-sensing chip resistors minimizes the
resistance change caused by self-heating and high temperature environments.
Thermal electromotive force (EMF) is also an important consideration. Thermal EMF is an important parameter of
the metal foil series of battery management circuits, and of current-sensor resistors. Thermal electromotive force
(EMF) of an Mn-Cu alloy is especially optimal with low EMF below µ0.03 uV/oC.
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4
Low-Ohmic Resistors in Power-Sensing
Current-sensor resistors are used in power sensing applications
such as sensing output current in power supplies and
automotive engine management systems. As shown in Figure 1, a
typical function for a current-sensor chip resistor is as a current-
sensor (Rsense). This generates the sensing voltage (Vs) for a
feedback control network through which an output current (Io)
passes. The sensing voltage triggers MOSFET switches, switching
them ON and OFF to regulate the duty factor of the current
passing through a choke (L).
The sensing voltage (Vs) is given by the simple relation:
Vs = Io x Rsense
This sensing voltage is generally set at around 100 mV both to save power and maintain satisfactory noise
immunity.Tosensea5Aaverageoutputcurrent,Rsensemustbe100mV/5A=20mΩ.Thepowerdissipationwill
then be:
P=Io2Rsense=5Ax5Ax20mΩ=0.5W
A current-sensor chip resistor with a power rating 1.0 W would then be recommended for this application to
provide an adequate safety margin.
Over-Current Detection
As a means to detect the current passing through the
transistor (see Figure 2), a resistor in series is added
between an emitter and a ground. This resistor shouldn't
emit smoke or catch fire even when the switching transistor,
subjected to a larger current, breaks down. In addition,
reduced parasitic inductance is required, particularly for high
frequency switching control. Recommended resistors with
low resistance are metal-plate types, like the PE-series.
DC/DC converter
Figure 3 on the right shows the current-detecting circuit
of a DC/DC converter. The voltage across the current-
detecting resistor is fed back to control the output power.
The resistance should be low to reduce power dissipation,
and the resistor should withstand a repeated rush current.
Furthermore, the self-inductance should be low for high-
frequency applications. Recommended types are PE-series
chip resistors. As for high frequency DC/DC converters,
metal-plate chip resistor, PE-series are the best fit.
Figure 1 Current sensor chip resistor in current
sensing application
Figure 2 Over-current protection circuit
Figure 3 DC/DC converter circuit
Current-Sensing Circuit Applications
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5
Current Sensing Chip Resistors Introduction
Tight Tolerance in Sensing Resistance
The magnitude of the output ripple depends on the
inductance of the choke - the higher the inductance,
the lower the ripple. A high inductance choke, however,
reduces the ability of the circuit to respond to high
frequency transients. Such a choke will also be physically
large, limiting the possibilities for miniaturization so
essential to modern mobile equipment.
A trade-off is therefore necessary between choke
volume and output current ripple. Experience indicates
that a ripple of 0.04 provides a good compromise in
this area. With this ripple value, the peak output current (Ipeak) is 2% greater than the average current (Iavg): Ipeak
= 1.02 x Iavg (Figure 4).
The voltage generated across the sensing resistor is used in a feedback network to trigger the power-switching
IC.To allow for variation in the characteristics of the power-switching IC, a safety margin for the sensing-voltage is
necessary. A -2% margin on sensing-voltage is usually taken for general applications.
As mentioned earlier, the relation between current sensor resistance, feedback sensing voltage and output
current is given given by the formula: Rsense = Vs/Io. With an output ripple of of 0.04, a 4% (± 2%) deviation
on output current and a safety margin on the sensing voltage of -2%, the allowable deviation on (Rsense) is:
0.98 x VsVs
0.98 x 1o0.85 x 1o
IfVs=100mVandIo=5A,theallowablecurrentsensorsensingresistancemustlieintherange19.2mΩto20.4mΩ.
Excellent Low TCR Values for Precision Applications
The above discussion does not, of course, take into account the effects of the temperature coefficient of
resistance (TCR) on current sensing applications. With a maximum deviation of 4% on output current and a safety
margin of 2% on sensing voltage, the maximum allowable deviation on sensing resistance is 6%. The limit on TCR
is then given by:
T.C.R.
TCR 0.06
1.06 Rsense
So
Figure 3 plots the allowable T.C.R. values required to maintain tolerance on sensing resistance within the
specifiedlimit.TCRvaluesofYageo’scurrent-sensorchipresistorsfallwellwithintheseallowedlimitsoverthe
temperature range 25°C to 155°C.
Figure 4 Relationship between average output current and
peak current with a ripple of 0.04
2
0.04=4
6
Market Applications
Yageo’s current sensor chip resistors are optimized for current sensing control. The current sensor current sensors,
available from 0.05 to 5 watts, are applicable to battery pack, power supply and converter, and are suitable for use in
diverse power control circuit of notebook computer or the hard disk of other compact portable devices that have
current sensing and over current protection requirements. Featuring a comprehensive resistance range of 0.5 milli-
ohms to 1 ohm and superior temperature coefficient (T.C.R.) performance is able to meet various customer demands
and applications.
Application Segment
Consumer Automotive Industrial Telecom Medical
Device & Computing
Home Appliances v
Air Conditioners v v
Diagnostic Equipment v
Infotainment System v v
Smart Meters v
Smartphones & Tablets v v
Notebooks v v
Wearable Devices v v v v
Networking v
Batteries
Battery Chargers v v v v v
Battery Life Indicators v v v v v
Battery Packs v v v v v
Motors
Motor Controls v v v
Motor Drives v v v
Power Supplies
DC/DC Converters v v v v
Switch Mode Power Supplies v v v v v
LED Lighting
LED Drivers v v v v
Ballasts v v v v
Storage & Cloud Computing
Disk Drives (HDD &SSD) v
Servers v
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7
Current Sensing Chip Resistors
Thick Film Current-Sensing Chip Resistors
(RL & PT Series)
Based on thick film technology, these products exhibit far low parasitic
inductance than wirewound and leaded counter parts. Yageo’s thick
film RL/PT low-ohmic current sensing chip resistors is low cost,
capable of providing low TCR down to ±75ppm/°C, resistance value
downto50mΩwithpowerupto2wattsofpowerdissipation.
Metal Foil Current-Sensing Chip Resistors
(PE & PF Series)
Metal foil current-sensing resistors made of Mn-Cu alloy are
developed with substrates to provide a better thermal dissipation
and with a wider resistancerangeupto300mΩ.MetalfoilPEseries
feature low EMF below conditions of temperature changes.
µ0.03 uV/ºC is more likely to endure harsh conditions. In the metal
foil type, TCR ranges from 50 to 100ppm/ºC, power rates up to 3W,
andresistancevalueisavailableaslowas0.5mΩ.
Metal Plate Current-Sensing Chip Resistors
(PA & PR Series)
A related simple construction without multiple cuts, metal plate
current-sensing resistors provide low TCR down to ±25ppm/°C,
high power rating up to 3W, high frequency performance and low
resistancedownto0.5mΩ.
Wide Terminal Current-Sensing Chip
Resistors
Using the wider side as connection in the mounting plate, wide
terminal current-sensing chip resistors strengthen solder joints,
holding reliably to achieve higher power rating needs. With an ideal
structure to suppress heat generation, wide terminal type current-
sensors save space, and reduce resistor numbers in high-density
circuit board designs.
Four-Terminal, Current-Sensing Chip Resistors
Design of accurate measurement circuitry, lower power consumption, higher accuracy, and smaller space
requirements are important features for electronic control units. To minimize power losses, a large current across
the (Rsense) resistor needs to be measured, and high-side, current-sense amplifier ICs have to monitor the current
accurately. Four-terminal, current-sensing resistors separating current-carry from voltage-sensing terminals are
able to improve voltage and current measurement accuracy from the ideal Kelvin configuration. They also improve
interference and thermoelectric effects at higher applied power.
metal substrate
end termination
protective coat
H
I2
Market Applications / Product Portfolio
Product Portfolio
marking layer
overcoat
protective coat
resistive layer
inner electrode
inner electrode
ceramic substrate
termination (Ni / matte tin)
H
I2
marking layer
protective coat
end termination
inner electrode
protective coat
ceramic substrate
resistive layer (metal foil)
H
I2
marking layer
protective coat
resistive layer
inner electrode
termination (Ni/matte tin)
ceramic substrate
Cross section of RL / PT series
Cross section of PE / PF series
Cross section of PA / PR series
Cross section of wide terminal series
8
Dimensions
W
unit: mm
I2I2
I1
I1
L
H
Wide terminal
W
unit: m
m
I2I2
I1
I1
L
H
Type Resistance range L W H I1I2
RL0402 (1) 50mΩ≤R<1Ω 1.00 ±0.10 0.50 ±0.05 0.35 ±0.05 0.20 ±0.10 0.25 ±0.10
RL0603 (1)
10mΩ≤R<1Ω
1.60 ±0.10 0.80 ±0.10 0.45 ±0.10 0.25 ±0.15 0.25 ±0.15
RL0805 (1) 2.00 ±0.10 1.25 ±0.10 0.50 ±0.10 0.35 ±0.20 0.35 ±0.20
RL1206 (1) 3.10 ±0.10 1.60 ±0.10 0.55 ±0.10 0.45 ±0.20 0.45 ±0.20
RL1210 (1) 3.10 ±0.10 2.60 ±0.15 0.55 ±0.10 0.50 ±0.20 0.50 ±0.20
RL1218 (1) 3.05 ±0.15 4.60 ±0.20 0.55 ±0.10 0.45 ±0.25 0.50 ±0.25
RL2010 (1) 5.00 ±0.10 2.50 ±0.15 0.55 ±0.10 0.60 ±0.20 0.50 ±0.20
RL2512 (1) 6.35 ±0.10 3.20 ±0.15 0.55 ±0.10 0.60 ±0.20 0.50 ±0.20
PT0402 (1)
50mΩ≤R<1Ω
1.00 ±0.10 0.50 ±0.05 0.35 ±0.05 0.20 ±0.10 0.25 ±0.10
PT0603 (1) 1.60 ±0.10 0.80 ±0.10 0.45 ±0.10 0.25 ±0.15 0.25 ±0.15
PT0805 (1) 2.00 ±0.10 1.25 ±0.10 0.55 ±0.10 0.35 ±0.20 0.35 ±0.20
PT1206 (1)
50mΩ≤R<75mΩ
&91mΩ≤R<1Ω 3.10 ±0.10 1.60 ±0.10 0.55 ±0.10 0.45 ±0.20 0.45 ±0.20
75mΩ≤R<91mΩ 3.10±0.10 1.60±0.10 0.55±0.10 0.75±0.20 0.45±0.20
PT2010 (1)
100mΩ≤R<1Ω 5.00 ±0.10 2.50 ±0.15 0.55 ±0.10 0.60 ±0.20 0.50 ±0.20
PT2512 (1) 6.35 ±0.10 3.20 ±0.15 0.55 ±0.10 0.60 ±0.20 0.50 ±0.20
PE0402 (2) 10mΩ≤R≤50mΩ 1.00 ± 0.30 0.50 ± 0.20 0.45 ± 0.20 --- 0.25 ± 0.10
PE0603 (2) 5mΩ≤R<100mΩ 1.60 ± 0.25 0.80 ± 0.25 0.60 ± 0.25 --- 0.30 ± 0.25
PE0805 (2)
4mΩ
2.00 ± 0.25 1.25 ± 0.25 0.60 ± 0.25 ---
0.70 ± 0.25
5mΩ 0.63 ± 0.25
6mΩ 0.55 ± 0.25
7mΩ≤R<100mΩ 0.40 ± 0.25
PE1206 (2)
4mΩ
3.20 ± 0.25 1.60 ± 0.25 0.60 ± 0.25
1.20 ± 0.25
5mΩ≤R≤8mΩ 1.15 ± 0.25
9mΩ≤R<100mΩ 0.58 ± 0.25
PE2010 (2) 5mΩ≤R≤9mΩ 5.00 ± 0.25 2.50 ± 0.25 0.60 ± 0.25 --- 1.50 ± 0.25
10mΩ≤R<100mΩ 0.60 ± 0.25
PE2512 (2)
6mΩ≤R≤8mΩ 6.30 ± 0.25 3.10 ± 0.25 0.60 ± 0.25 --- 1.90 ± 0.25
9mΩ≤R<99mΩ 0.95 ± 0.25
100mΩ 6.45 ± 0.25 3.25 ± 0.25 0.70 ± 0.25 --- 0.60 ± 0.25
Note: 1. Apply to ordering codes ending in “L”
2. Apply to ordering codes ending in “Z”
Pleasecontactsalesoffices,distributorsandrepresentativesinyourregionbeforeordering
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9
Current Sensing Chip Resistors Product Portfolio
Type Resistance range L W H I1I2
PE4527 (2) 5mΩ 11.50 ± 0.25 7.00 ± 0.25 0.60 ± 0.25 --- 2.90 ± 0.25
6mΩ≤R<910mΩ 2.60 ± 0.25
PR1206 (2) 1mΩ≤R≤4mΩ 3.20 ± 0.25 1.60 ± 0.25 0.64 ± 0.25 0.50 ± 0.25 0.50 ± 0.25
PR2010 (2) 1mΩ≤R≤3mΩ 5.10 ± 0.25 2.54 ± 0.25 0.80 ± 0.25 1.30 ± 0.25 1.30 ± 0.25
4mΩ 5.10 ± 0.25 2.54 ± 0.25 0.64 ± 0.25 0.80 ± 0.25 0.80 ±0.25
PA2512 (1) 1mΩ≤R≤5mΩ 6.50 ± 0.20 3.20 ± 0.20 0.65 ± 0.15 0.90 ± 0.20 0.90 ± 0.20
Wide terminal
Type Resistance range L W H I1I2
PE0306 (2) 5mΩ≤R≤100mΩ 0.90 ± 0.20 1.70 ± 0.20 0.65 ± 0.20 0.25 ± 0.15 0.25 ± 0.15
PE0508 (2) 3mΩ≤R≤100mΩ 1.35 ± 0.20 2.10 ± 0.20 0.65 ± 0.20 0.43 ± 0.15 0.43 ± 0.15
PE0612 (2)
1mΩ 1.60 ± 0.20 3.20 ± 0.20 0.60 ± 0.15 0.55 ± 0.20 0.55 ± 0.20
2mΩ≤R≤4mΩ 1.60 ± 0.20 3.20 ± 0.20 0.60 ± 0.15 0.40 ± 0.20 0.40 ± 0.20
5mΩ≤R≤300mΩ 1.60 ± 0.20 3.20 ± 0.20 0.60 ± 0.15 0.30 ± 0.20 0.30 ± 0.20
PE0815(2)
1mΩ 2.50 ± 0.20 3.70 ± 0.20 0.60 ± 0.15 0.95 ± 0.20 0.95 ± 0.20
2mΩ 2.50 ± 0.20 3.70 ± 0.20 0.60 ± 0.15 0.75 ± 0.20 0.75 ± 0.20
3mΩ≤R≤100mΩ 2.50 ± 0.20 3.70 ± 0.20 0.60 ± 0.15 0.60 ± 0.20 0.60 ± 0.20
PE0830 (2) 6/8/10mΩ 2.00 ± 0.20 7.50 ± 0.30 0.60 ± 0.15 0.60 ± 0.15 0.60 ± 0.15
1mΩ≤R≤100mΩ(except6/8/10mΩ) 2.50 ± 0.20 7.50 ± 0.30 0.60 ± 0.15 0.58 ± 0.15 0.58 ± 0.15
PE1225 (2) 1mΩ 3.10 ± 0.20 6.30 ± 0.20 0.60 ± 0.15 1.15 ± 0.20 1.15 ± 0.20
2mΩ≤R≤100mΩ 3.10 ± 0.20 6.30 ± 0.20 0.60 ± 0.15 0.50 ± 0.20 0.50 ± 0.20
4 terminal
unit: mm
W
L
DC
C
A
A
A
A
H
C
Type Resistance range L W A D C H
PS0306 10mΩ≤R≤50mΩ 0.80 ± 0.20 1.60 ± 0.20 0.25 ± 0.20 0.30 ± 0.15 0.30 ± 0.15 0.55 ± 0.20
PS0508 10mΩ≤R≤50mΩ 1.25 ± 0.20 2.00 ± 0.20 0.25 ± 0.20 0.20 ± 0.15 0.30 ± 0.20 0.55 ± 0.20
PS0612 (2) 0.5mΩ≤R≤100mΩ 1.60 ± 0.20 3.20 ± 0.20 0.45 ± 0.20 0.50 ± 0.20 0.65 ± 0.20 0.60 ± 0.20
PS1225 (2) 3mΩ≤R≤100mΩ 3.10 ± 0.20 6.30 ± 0.20 0.80 ± 0.20 --- 2.20 ± 0.20 0.60 ± 0.15
Note: 1. Apply to ordering codes ending in “L”
2. Apply to ordering codes ending in “Z”
Pleasecontactsalesoffices,distributorsandrepresentativesinyourregionbeforeordering
PS0306 / PS0508 / PS0612
PS1225
10
Product Selection Tables
T. C. R. - RL series
Type T.C.R
50mΩ≤R<100mΩ 100mΩ≤R<500mΩ 500mΩ≤R<1Ω
RL0402 ±1000 ppm/°C ±800 ppm/°C ±300 ppm/°C
10mΩ≤R≤36mΩ 36mΩ<R≤91mΩ 91mΩ<R≤500mΩ 500mΩ<R<1Ω
RL0603 ±1 500 ppm/°C ±1 200 ppm/°C ±800 ppm/°C ±300 ppm/°C
10mΩ≤R≤18mΩ 18mΩ<R≤47mΩ 47mΩ<R≤91mΩ 91mΩ<R≤360mΩ 360mΩ<R≤500mΩ 500mΩ<R<1Ω
RL0805 / RL1206 / RL2010 ±1 500 ppm/°C ±1 200 ppm/°C ±1 000 ppm/°C ±600 ppm/°C ±300 ppm/°C ±200 ppm/°C
RL1210 ±1 500 ppm/°C ±1 000 ppm/°C ±800 ppm/°C ±600 ppm/°C ±300 ppm/°C ±200 ppm/°C
RL2512 ±1 500 ppm/°C ±1 200 ppm/°C ±800 ppm/°C ±600 ppm/°C ±300 ppm/°C ±200 ppm/°C
10mΩ≤R≤30mΩ 30mΩ<R≤56mΩ 56mΩ<R≤180mΩ 180mΩ<R<1Ω
RL1218 ±2 000 ppm/°C ±1 000 ppm/°C ±700 ppm/°C ±250 ppm/°C
Electrical characteristics
Global
part number Series Size Power
rating
Max.
voltage
Operating
Temp. range
Resistance
range Tol. T. C. R.
RL0402xR-07xxxxL
RL
0402 1/16W
(PxR)^1/2 -55°C to 125°C
50mΩ≤R<1Ω
±1%
±2%
±5%
Pls refer to above table
“T. C. R. - RL series“
RL0603xR-07xxxxL 0603 1/10W
10m
Ω
≤R<1
Ω
RL0805xR-07xxxxL 0805 1/8W
RL0805xR-7WxxxxL 1/4W
RL1206xR-07xxxxL 1206 1/4W
RL1206xR-7WxxxxL 1/2W
RL1210xR-07xxxxL 1210 1/2W
RL1218xK-07xxxxL 1218 1W
RL2010xK-07xxxxL 2010 3/4W
RL2512xK-07xxxxL 2512 1W
PT0402xRx07xxxxL
PT
0402
1/16W
(PxR)^1/2
-55°C to 155°C
50m
Ω
≤R<1
Ω
±1%
±2%
±5%
50m
Ω
≤R<68m
Ω
68m
Ω
≤R<100
Ω
100m
Ω
≤R<1
Ω
± 600 ppm/°C
± 300 ppm/°C
± 200 ppm/°C
PT0402xRx7WxxxxL 1/8W
PT0402xRx7TxxxxL 1/6W
PT0603xRx07xxxxL
0603
1/10W 50m
Ω
50m
Ω
<R<68m
Ω
68m
Ω
≤R<100
Ω
100m
Ω
≤R<1
Ω
0/+400 ppm/°C
0/+350 ppm/°C
0/+300 ppm/°C
±200 ppm/°C
PT0603xRx7WxxxxL 1/5W
PT0603xRx7TxxxxL 1/3W
PT0805xR-07xxxxL
0805
1/8W
50m
Ω
≤R<1
Ω
50m
Ω
50m
Ω
<R<68m
Ω
68m
Ω
≤R<100
Ω
100m
Ω
≤R<1
Ω
0/+350 ppm/°C
0/+300 ppm/°C
0/+250 ppm/°C
±100 ppm/°C
PT0805xR-7WxxxxL 1/4W
PT1206xR-07xxxxL 1206 1/4W 50mΩ≤ R < 7 5 m Ω 
75mΩ≤ R ≤100mΩ
100mΩ< R < 1 Ω 
±350ppm/°C
±100ppm/°C
±75ppm/°C
PT1206xR-7WxxxxL 1/2W
®®®®
11
Current Sensing Chip Resistors Product Selection Table
Global
part number Series Size Power
rating
Max.
voltage
Operating
Temp. range
Resistance
range Tol. T. C. R.
PT2010xK-07xxxxL
PT
2010 3/4W
(PxR)^1/2 -55°C to 155°C
100m
Ω
≤R<1
Ω
±1%
±2%
±5%
100m
Ω
100mΩ<R<1
Ω
±100 ppm/°C
±75 ppm/°C
PT2010xK-7WxxxxL 1W
PT2512xK-07xxxxL 2512 1W 100m
Ω
≤R<1
Ω
100m
Ω
100mΩ<R<1
Ω
±100 ppm/°C
±75 ppm/°C
PT2512xK-7WxxxxL 2W
PE0402xRx07xxxxxx
PE
0402
1/16W
(PxR)^1/2
-55°C to 155°C 10mΩ≤R≤50mΩ
±1%
±5%
±100 ppm/°CPE0402xRx7Wxxxxxx 1/8W
PE0402xRx47xxxxxx 1/4W
PE0603xRx07xxxxxx
0603
1/10W
-55°C to 170°C
5mΩ≤R≤100mΩ
±50 ppm/°C
±75 ppm/°C
±100 ppm/°C
PE0603xRx7Wxxxxxx 1/5W
PE0603xRx7Txxxxxx 1/3W
PE0603xRx47xxxxxx 2/5W
PE0603xRx57xxxxxx 1/2W
PE0805xRx07xxxxxx
0805
1/8W
3mΩ≤R≤100mΩ
PE0805xRx7Wxxxxxx 1/4W
PE0805xRx7Txxxxxx 1/3W
PE0805xRx47xxxxxx 1/2W
PE1206xxx07xxxxxx
1206
1/4W
3mΩ≤R≤100mΩPE1206xxx7Wxxxxxx 1/2W
PE1206xxx47xxxxxx 1W
PE2010xKx07xxxxxx 2010 1/2W 5mΩ≤R≤100mΩ
PE2010xKx7Wxxxxxx 1W
PE2512xKx07xxxxxx 2512 1W 6mΩ≤R≤100mΩ
PE2512xKx7Wxxxxxx 2W
PE4527xKx07xxxxxx 4527 2W 5mΩ≤R<910mΩ
PE4527xKx7Wxxxxxx 3W
PR1206xKx07xxxxxx
PR
1206
1/4W
(PxR)^1/2 -55°C to 170°C
1mΩ≤R≤4mΩ
±1%
±5% ±50 ppm/°C
PR1206xKx7Wxxxxxx 1/2W
PR1206xKx47xxxxxx 1W
PR2010xKx07xxxxxx 2010 1/2W 1mΩ≤R<4mΩ
PR2010xKx7Wxxxxxx 1W
PA2512xKF07xxxxL
PA
2512
1W
(PxR)^1/2 –55°C to 155°C 1mΩ≤R≤5mΩ ±1%
±5% ±100 ppm/°CPA2512xKF7WxxxxL
2W
PA2512xKF7TxxxxL
3W
12
Wide terminal
Global
part number Series Size Power
rating
Max.
voltage
Operating
Temp. range
Resistance
range Tol. T. C. R.
PE0306xRM07xxxxx
PE
0306 1W
(PxR)^1/2 –55°C to 170°C
5mΩ≤R≤100mΩ
±1%
±5%
±75 ppm/°C
±100 ppm/°C
PE0508xRM07xxxxx 0508 1.2W 3mΩ≤R≤100mΩ
PE0612xKM7Wxxxxx 0612 2W 1mΩ≤R≤300mΩ
PE0815xKM7Wxxxxx 0815 1W 1mΩ≤R≤100mΩ
PE0830xKM7Wxxxxx 0830 3W 1mΩ≤R≤100mΩ
PE1225xKM7Wxxxxx 1225 3W 1mΩ≤R≤100mΩ
4 terminal
Global
part number Series Size Power
rating
Max.
voltage
Operating
Temp. range
Resistance
range Tol. T. C. R.
PS0306xRx07xxxxxx
PS
0306
1/8W
(PxR)^1/2
–55°C to 155°C
10mΩ≤R≤50mΩ
±1%
±5%
±75 ppm/°C
±100 ppm/°C
PS0306xRx7Wxxxxxx 1/4W
PS0508xRx07xxxxxx
0508
1/8W
–55°C to 170°C
PS0508xRx7Wxxxxxx 1/4W
PS0508xRx7Txxxxxx 1/2W
PS0612xKM07xxxxx
0612 1W 0.5mΩ,0.75mΩ
1mΩ≤R≤5mΩ
0.5mΩ,0.75mΩ
1mΩ≤R≤2mΩ
3mΩ≤R≤5mΩ
±700 ppm/°C
±400 ppm/°C
±150 ppm/°C
PS1225xKM07xxxxx
1225 3W 4mΩ≤R≤50mΩ ±75 ppm/°C
±100 ppm/°C
Jumper
Global
part number Series Size Operating
Temp. range Max. Resistance Rated Current
RL0402-R-070RL
RL
0402
-55°C to 155°C
20mΩ
1.5A
RL0603-R-070RL 0603
20mΩ
2A
RL0805-R-070RL 0805
20mΩ
2.5A
RL1206-R-070RL 1206
20mΩ
3.5A
PT0402-R-070RL
PT
0402
-55°C to 155°C
10
m
Ω
3A
PT0603-R-070RL 0603 8m
Ω
5A
PT0805-R-070RL 0805 5m
Ω
6A
PT1206-R-070RL 1206 5m
Ω
10A
®®®®
13
Current Sensing Chip Resistors Product Portfolio
Environmental characteristics
Performance test Test method Procedure Requirements
Life MIL-STD-202G-
method 108A
1 000 hours at 70°C ±5°C applied RCWV
1.5 hours on, 0.5 hours off, still air required
±(1%+0.0005Ω)
<20mΩforjumper
High temperature exposure MIL-STD-202G-
method 108A
1 000 hours at maximum operating temperature
dependingonspecification,unpowered
±(1%+0.0005Ω)
<20mΩforjumper
Moisture resistance MIL-STD-202G-
method 106F
Eachtemperature/humiditycycleisdefinedas
8 hours (method 106F), 3 cycles / 24 hours
for 10d with 25°C / 65°C 95% R.H
±(0.5%+0.0005Ω)
<20mΩforjumper
Solderability
Wetting IPC/JEDECJ-
STD-002B testB
Electricaltestnotrequired.Magnification50X
Lead-free solder bath at 245 ±3°C
Dipping time: 3 ±0.5 seconds
Well tinned
(≥95%covered)
No visible damage
Resistance to
soldering heat
MIL-STD-202G-
method 210F Lead-free solder, 260°C, 10 seconds immersion time
±(0.5%+0.0005Ω)
<10mΩforjumper
No visible damage
Short time overload MIL-R-55342D-
para 4.7.5
PT/RL standard power:
6.25 times of rated power for
5 seonds at room temperature
PA/PR/PE/PS & PT/RL high power:
5 times of rated power for
5 seconds at room temperature
PT/RL jumper:
2.5 times of rated current for
5 seconds at room temperature
±(1%+0.0005Ω)
<10mΩforjumper
No visible damage
Packing quantities
Size code Tape width
178mm / Ø7” reel 330mm / Ø13" reel
Paper Embossed Paper
0306 8mm 5 000 --- ---
0402 8mm 10 000 --- 50 000 (1)
0508 8mm 5 000 --- ---
0603 8mm 5 000 --- 20 000 (1)
0612 8mm --- 5 000 ---
0805 8mm 5 000 --- 20 000 (1)
0815 8mm --- 4 000 ---
0830 16mm --- 4 000 ---
1206 8mm 5 000 4 000 20 000 (1)
1210 8mm 5 000 --- 20 000 (1)
1218 12mm --- 4 000 ---
1225 12mm --- 4 000 ---
2010 12mm --- 4 000 / 2 000 (2) ---
2512 12mm --- 4 000 ---
4527 24mm --- 1 000 ---
Note: (1) RL/PT series only
(2) PR series with ordering code ending in “Z”
14
Explanation of ordering code
P T 2 5 1 2 F K - 0 7 0 R 1 L
Series name (code 1-2) Default Code (code 17)
RL=Thickfilmcurrentsensor L / Z = Default code
PT=ThickfilmcurrentsensorlowT.C.R.
PA/PR/PE =
Current sensor - low T. C. R. Resistance (code 12-16)
PS = 4 terminal, Current sensor There are 2~5 digits indicated the
resistance value. Letter R is decimal point.
Ex:
Size code (inch / metric) (code 3-6) 0R = Jumper
0306 = 0.8 x 1.6 1206 = 3.2 x 1.6 0R1=0.1Ω
0402 = 1.0 x 0.5 1210 = 3.2 x 2.5 0R01=0.01Ω
0508 = 1.25 x 2.0 1218 = 3.2 x 4.5 0R001=0.001Ω
0603 = 1.6 x 0.8 1225 = 3.2 x 6.3 0U5=0.0005Ω
0612 = 1.6 x 3.2 2010 = 5.0 x 2.5
0805 = 2.0 x 1.25 2512 = 6.35 x 3.2
0815 = 2.15 x 3.75 4527 = 11.0 x 7.0 Taping Reel (code 10-11)
0830 = 2.0 x 7.5 07 = 7 inch Dia. reel
13 = 13 inch Dia. reel
7W = 7 inch Dia. reel 2 x standard power type
Tolerance (code 7) 7T = 7 inch Dia. reel 3 x standard power type
F = ±1% 47 = 7 inch Dia. reel 4 x standard power type
G = ±2% 57 = 7 inch Dia. reel 5 x standard power type
J = ±5%
“–” for Jumper ordering
T.C.R (code 9)
E = ±50 ppm/°C
Packing style (code 8) M = ±75 ppm/°C
R = Paper tape reel F = ±100 ppm/°C
K = Embossed plastic tape reel “–” Based on spec. (– for RL/PT only)
Cross reference
Yageo Vishay Rohm KOA Cyntec TT/IRC Susumu Features
RL/PT Series D..LR/
CRCW,RCWE UCR SR73/
UR73 RLT LRC, LRF,
LVC RLT Thick Film 0402~2512,
0R05~0R91, Current sensing
PR/PE Series WSL/WSLP PMR/PML TLR RLT ULR, LVC KRL, RL
Metal Alloy, 0402~4527,
0R001~0R1, low TCR, used
in middle/high power
PT0402 RCWE0402 UCR01 SR731E RLT0510 LVC0402 RLT0510 0402, 0R1~0R91 Thick Film
current sensing
PE0603 WSL0603 PMR03 - RL0816 - - 0603, 0R005~0R1, TC75,
Metal Foil, current sensing
PE0805 WSL0805 PMR10 - RL1220 - - 0805, 0R003~0R1 , TC75,
Metal Foil, current sensing
PE4527 WSR2/3/5 - SL2/
SLN2 ---
Metal Alloy, 4527, 5W, low
TCR, high power current
sensing
®®®®
15
Current Sensing Chip Resistors Explanation of ordering code / Cross reference
Customer Support & Distribution
Network
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WMWWWWNAGEO
Date of release: April 2014Printed in Taiwan Document order number: YL 100 00146
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