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CRM0805/1206/2010 Datasheet

Bourns Inc.

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Datasheet

Features
n Thick film technology
n Power rating of 0.25, 0.5 or 1 watt at 70 °C
n Low resistance value available
n RoHS compliant*
Applications
n Current sensing
n Power supplies
n Stepper motor drives
n Snubber resistor for flyback power supplies
CRM0805/1206/2010 High Power Current Sense Chip Resistors
General Information
Bourns® CRM Series are thick film chip
resistors with high power ratings making
them suitable for different applications in
power supply circuits including current
sensing and current limiting.
Electrical Characteristics
Characteristic Model Model Model
CRM0805 CRM1206 CRM2010
Power Rating @ 70 °C 0.25 W 0.5 W 1 W
Operating Temperature Range -55 °C to +155 °C
Derated to Zero Load at +155 °C
Maximum Working Voltage
47 mohms to 910 mohms 551 mV 675 mV 954 mV
1 ohm to 1 megohm 150 V 200 V 200 V
Insulation Resistance >1000 megohms
Resistance Range 47 mohms to 910 mohms (±1 % and ±5 %, E24 Series)
1 ohm to 1 megohm (±1 %, E96 & E24 Series)
0 ohm, 1 ohm to 1 megohm (±5 %, E24 Series)
Resistance Tolerance ±1 %, ±5 %
Temperature Coefficient
47 mohms to 91 mohms
(±1 % and ±5 %, E24 Series) ±100 ppm ±100 ppm ±100 ppm
100 mohms to 910 mohms
(±1 % and ±5 %, E24 Series) ±100 ppm ±100 ppm ±100 ppm
1 ohm to 9.76 ohms
(±1 %, E96 & E24 Series) ±150 ppm/ ±100 ppm/ ±100 ppm/
±200 ppm ±200 ppm ±200 ppm
10 ohms to 1 megohm
(±1 %, E96 & E24 Series) ±100 ppm ±100 ppm ±100 ppm
1 ohm to 1 megohm
(±5 %, E24 Series) ±200 ppm ±200 ppm ±200 ppm
Zero Ohm Jumper <0.02 ohm (1)
Maximum Rated Current 4 A 4 A 6 A
Characteristic Data
Test ΔR Max.
Load Life (1000 hours)
Rated Voltage @ 70 °C
(1.5 hrs. on, 0.5 hrs. off)
1 % Tolerance < 1 %
5 % Tolerance < 3 %
Short Term Overload
(5 X Rated Power for 5 sec.)
1 % Tolerance < 1 %
5 % Tolerance < 2 %
Thermal Shock
(5 Cycles: -55 °C/30 min.;
+25 °C/2-3 min.; +155 °C/
30 min.; +25 °C/2-3 min.)
1 % Tolerance < 0.5 %
5 % Tolerance < 1 %
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
Exceptions:
(1) Jumper (0 ohms): Temperature coefficient is not applicable.
For Standard Values Used in Capacitors,
Inductors and Resistors, click here.
R100
Pulse Load Characteristics
PULSE DURATION (SEC.)
0.0001 0.001 0.01 0.1 1
1000
100
10
1
0.1
CRM0805
CRM1206
CRM2010
PULSE DURATION (SEC.)
PEAK POWER (WATTS)
PEAK POWER (WATTS)
0.0001 0.001 0.01 0.1 1
1000
100
10
1
0.1
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
CRM0805/1206/2010 High Power Current Sense Chip Resistors
DIMENSIONS: MM
(INCHES)
A
B
SENSING TRACE
Cu TRACE
L
Recommended Solder Pad Layout
Model A B L
CRM0805 1.3 1.15 1.2
(0.051) (0.045) (0.047)
CRM1206 1.8 1.3 2.1
(0.071) (0.051) (0.083)
CRM2010 3.0 1.5 3.8
(0.118) (0.059) (0.149)
L
W
T
D
C
Product Dimensions
Model L W C D T
CRM0805 2.00 ± 0.15 1.20 ± 0.15 0.40 ± 0.20 0.40 ± 0.20 0.50 ± 0.10
(0.079 ± 0.006) (0.047 ± 0.006) (0.016 ± 0.008) (0.016 ± 0.008) (0.020 ± 0.04)
CRM1206 3.10 ± 0.15 1.60 ± 0.15 0.50 ± 0.25 0.50 ± 0.25 0.55 ± 0.10
(0.122 ± 0.006) (0.063 ± 0.006) (0.020 ± 0.010) (0.020 ± 0.010) (0.022 ± 0.004)
CRM2010 5.00 ± 0.20 2.50 ± 0.20 0.60 ± 0.25 0.60 ± 0.25 0.60 ± 0.10
(0.197 ± 0.008) (0.098 ± 0.008) (0.024 ± 0.010) (0.024 ± 0.010) (0.024 ± 0.004)
Soldering Profile
25
75
125
175
225
275
050 100 150 200 250 300
Time (seconds)
Temperature (°C)
60 - 120 seconds
90 - 150
seconds
260 °C peak
190 °C
150 °C
220 °C
Ramp Down
6 °C/second
255 °C
Maximum of 20 seconds between
+255 °C and +260 °C
Ramp Up
3 °C/second maximum
10 seconds minimum
<1>
<1>
Derating Curve
Ambient Temperature (°C)
70 155
100
-55
Power Ratio (%)
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
CRM0805/1206/2010 High Power Current Sense Chip Resistors
How to Order
CRM 2010 - F X - R100 E LF
Model
(CRM = Precision Chip Resistor)
Size
0805 = 0805 Size
1206 = 1206 Size
2010 = 2010 Size
Resistance Tolerance
• F = ±1 %
• J = ±5 %
TCR (PPM/°C - See Electrical Characteristics chart)
• W = ±200 PPM/°C
• Z = ±150 PPM/°C
• X = ±100 PPM/°C
• / = Jumper
Resistance Value
1 % or 5 % Tolerance:
R <1 ohm ..............“R” represents decimal point followed by three significant digits (example: R100 = 0.100 ohm)
1% Tolerance:
<100 ohms ...........“R” represents decimal point (example: 24R3 = 24.3 ohms)
≥100 ohms ...........First three digits are significant, fourth digit represents number of zeros to follow (example: 8252 = 82.5K ohms)
5% Tolerance:
<10 ohms .............“R” represents decimal point (example: 4R7 = 4.7 ohms)
≥10 ohms .............First two digits are significant, third digit represents number of zeros to follow (example: 474 = 470K ohms)
0 ohm Jumper ......“000”
Packaging
• E = 5,000 pieces on 180 mm (7 inch) reel - CRM0805, CRM1206
4,000 pieces on 180 mm (7 inch) reel - CRM2010
Termination
• LF = Tin-plated (RoHS Compliant)
3312 - 2 mm SMD Trimming Potentiometer
REV. 09/18
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
CRM0805/1206/2010 High Power Current Sense Chip Resistors
Packaging Dimensions (Conforms to EIA RS-481A)
DIMENSIONS: MM
(INCHES)
Model A B F W
CRM0805 2.40 ± 0.20 1.65 ± 0.20 3.50 ± 0.05 8.00 ± 0.30
(0.094 ± 0.008) (0.065 ± 0.008) (0.138 ± 0.002) (0.315 ± 0.012)
CRM1206 3.57 ± 0.20 2.00 ± 0.20 3.50 ± 0.05 8.00 ± 0.30
(0.141 ± 0.008) (0.079 ± 0.008) (0.138 ± 0.002) (0.315 ± 0.012)
CRM2010 5.50 ± 0.20 2.80 ± 0.20 5.50 ± 0.05 12.00 ± 0.30
(0.217 ± 0.008) (0.110 ± 0.008) (0.217 ± 0.002) (0.472 ± 0.012)
1.5 +0.1/-0
(.056 + .004/-0)
Maximum 1 mm (.040) thick
* Cumulative over 10 holes: ±0.2 mm
1.75 ± 0.1
(.059 ± .004)
B
4.0 ± 0.1
(.157 ± .004)
2.0 ± 0.05
(.079 ± .002)
A
W
F
P0
3.60 ± 0.20
(0.142 ± 0.008) 2.0 ± 0.05
(0.079 ± 0.002)
4.0 ± 0.05
(0.157 ± 0.002)
4.0 ± 0.1
(0.157 ± 0.004)
1.5 +0.1/-0
(0.059 +0.004/-0) DIA. 1.5
(0.059)
DIA. MIN.
0.85 ± 0.15
(0.033 ± 0.006)
6.9 ± 0.2
(0.272 ± 0.008)
5.5 ± 0.05
(0.217 ± 0.002)
1.75 ± 0.1
(0.069 ± 0.004)
12.0 ± 0.2
(0.472 ± 0.008)
TOP TAPE
PAPER TAPE
RESISTOR
USER DIRECTION OF FEED
60.0
(2.362)
MIN.
DIA.
DIA.
180 +0/-3
(7.09 +0/-0.118)
13.0 ± 1.0
(0.512 ± 0.039)
DIA.
15.4 ± 2.0
(0.606 ± 0.079)
13.0 ± 1.0
(0.512 ± 0.039)
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
its affiliates (collectively, “Bourns”).
Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
without notice. Users should check for and obtain the latest relevant information and verify that such information is current
and complete before placing orders for Bourns® products.
The characteristics and parameters of a Bourns® product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns® product in a user application may vary
from the data sheet characteristics and parameters due to (i) the combination of the Bourns® product with other components
in the user’s application, or (ii) the environment of the user application itself. The characteristics and parameters of a Bourns®
product also can and do vary in different applications and actual performance may vary over time. Users should always verify
the actual performance of the Bourns® product in their specific devices and applications, and make their own independent
judgments regarding the amount of additional test margin to design into their device or application to compensate for
differences between laboratory and real world conditions.
Unless Bourns has explicitly designated an individual Bourns® product as meeting the requirements of a particular industry
standard (e.g., ISO/TS 16949) or a particular qualification (e.g., UL listed or recognized), Bourns is not responsible for any
failure of an individual Bourns® product to meet the requirements of such industry standard or particular qualification. Users
of Bourns® products are responsible for ensuring compliance with safety-related requirements and standards applicable to
their devices or applications.
Bourns® products are not recommended, authorized or intended for use in nuclear, lifesaving, life-critical or life-sustaining
applications, nor in any other applications where failure or malfunction may result in personal injury, death, or severe property
or environmental damage. Unless expressly and specifically approved in writing by two authorized Bourns representatives
on a case-by-case basis, use of any Bourns® products in such unauthorized applications might not be safe and thus is at
the user’s sole risk. Life-critical applications include devices identified by the U.S. Food and Drug Administration as Class III
devices and generally equivalent classifications outside of the United States.
Bourns expressly identifies those Bourns® standard products that are suitable for use in automotive applications on such
products’ data sheets in the section entitled “Applications.” Unless expressly and specifically approved in writing by two
authorized Bourns representatives on a case-by-case basis, use of any other Bourns® standard products in an automotive
application might not be safe and thus is not recommended, authorized or intended and is at the user’s sole risk. If Bourns
expressly identifies a sub-category of automotive application in the data sheet for its standard products (such as infotainment
or lighting), such identification means that Bourns has reviewed its standard product and has determined that if such Bourns®
standard product is considered for potential use in automotive applications, it should only be used in such sub-category of
automotive applications. Any reference to Bourns® standard product in the data sheet as compliant with the AEC-Q standard
or “automotive grade” does not by itself mean that Bourns has approved such product for use in an automotive application.
Bourns® standard products are not tested to comply with United States Federal Aviation Administration standards generally
or any other generally equivalent governmental organization standard applicable to products designed or manufactured for
use in aircraft or space applications. Bourns expressly identifies Bourns® standard products that are suitable for use in aircraft
or space applications on such products’ data sheets in the section entitled “Applications.” Unless expressly and specifically
approved in writing by two authorized Bourns representatives on a case-by-case basis, use of any other Bourns® standard
product in an aircraft or space application might not be safe and thus is not recommended, authorized or intended and is at
the user’s sole risk.
The use and level of testing applicable to Bourns® custom products shall be negotiated on a case-by-case basis by Bourns
and the user for which such Bourns® custom products are specially designed. Absent a written agreement between Bourns
and the user regarding the use and level of such testing, the above provisions applicable to Bourns® standard products shall
also apply to such Bourns® custom products.
Users shall not sell, transfer, export or re-export any Bourns® products or technology for use in activities which involve the
design, development, production, use or stockpiling of nuclear, chemical or biological weapons or missiles, nor shall they use
Bourns® products or technology in any facility which engages in activities relating to such devices. The foregoing restrictions
apply to all uses and applications that violate national or international prohibitions, including embargos or international
regulations. Further, Bourns® products and Bourns technology and technical data may not under any circumstance be
exported or re-exported to countries subject to international sanctions or embargoes. Bourns® products may not, without
prior authorization from Bourns and/or the U.S. Government, be resold, transferred, or re-exported to any party not eligible
to receive U.S. commodities, software, and technical data.
To the maximum extent permitted by applicable law, Bourns disclaims (i) any and all liability for special, punitive, consequential,
incidental or indirect damages or lost revenues or lost profits, and (ii) any and all implied warranties, including implied warranties
of fitness for particular purpose, non-infringement and merchantability.
For your convenience, copies of this Legal Disclaimer Notice with German, Spanish, Japanese, Traditional Chinese and Simplified Chinese
bilingual versions are available at:
Web Page: http://www.bourns.com/legal/disclaimers-terms-and-policies
PDF: http://www.bourns.com/docs/Legal/disclaimer.pdf
C1753 05/17/18R

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