MF-S Series Datasheet by Bourns Inc.

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3006 - Trimpot® Trimming Potentiometer
Features
n Axial leaded
n Fully compatible with current industry
standards
n Weldable nickel terminals
n Very low internal resistance
n Agency recognition:
n RoHS compliant*
Applications
n Rechargeable battery pack protection
n Provides overcurrent protection with
125 °C trip temperature
MF-S Series - PTC Resettable Fuses
*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.
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
Environmental Characteristics
Operating/Storage Temperature ........................... -40 °C to +85 °C
Maximum Device Surface Temperature
in Tripped State ................................................ 125 °C
Passive Aging ....................................................... +85 °C, 1000 hours ............................................... ±5 % typical resistance change
Humidity Aging...................................................... +85 °C, 85% R.H. 7 days ...................................... ±5 % typical resistance change
Vibration ............................................................... MIL-STD-883C, Method 2007.1, ........................... No change
Condition A
Moisture Sensitivity Level ..................................... 1
ESD Classification (HBM) 6
Test Procedures And Requirements For Model MF-S Series
Test Test Conditions Accept/Reject Criteria
Visual/Mech. .................................................... Verify dimensions and materials .......................Per MF physical description
Resistance ....................................................... In still air @ 23 °C .............................................Rmin R R1max
Time to Trip ...................................................... At specified current, Vmax, 23 °C .....................T max. time to trip (seconds)
Hold Current .................................................... 30 min. at Ihold .................................................No trip
Trip Cycle Life .................................................. Vmax, Imax, 100 cycles ....................................No arcing or burning
Trip Endurance ................................................ Vmax, 48 hours .................................................No arcing or burning
UL File Number .................................................... E174545
http://www.ul.com/ Follow link to Online Certificates Directory, then enter UL File No.
E174545, or click here
TÜV File Number .................................................. R 2057213
http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213
or click here
Electrical Characteristics
Model V max.
Volts
I max.
Amps
Ihold Itrip Initial Resistance
1 Hour (R1)
Post-Trip
Resistance
Max. Time to Trip
Tripped
Power
Dissipation
Amperes
at 23 °C
Ohms
at 23 °C
Ohms
at 23 °C
Amperes
at 23 °C
Seconds
at 23 °C
Watts
at 23 °C
Hold Trip Min. Max. Max. Typ.
MF-S120 15 100 1.20 2.70 0.085 0.160 0.220 65.0 1.20
MF-S150 15 100 1.50 3.00 0.050 0.090 0.113 8 5.0 1.30
MF-S175 15 100 1.75 3.80 0.050 0.090 0.120 9 4.0 1.50
MF-S200 30 100 2.00 4.40 0.030 0.060 0.080 10 4.0 1.90
MF-S350 30 100 3.50 6.30 0.017 0.031 0.040 20 3.0 2.50
MF-S420 30 100 4.20 7.60 0.012 0.024 0.040 20 6.0 2.90
Thermal Derating Chart - Ihold/ Itrip (Amps)
Model Ambient Operating Temperature
-40 ºC -20 ºC 0 ºC 23 ºC 40 ºC 50 ºC 60 ºC 70 ºC 85 ºC
MF-S120 1.90 / 4.28 1.70 / 3.83 1.50 / 3.38 1.20 / 2.70 1.00 / 2.25 0.90 / 2.03 0.80 / 1.80 0.70 / 1.58 0.50 / 1.13
MF-S150 2.20 / 4.40 2.00 / 4.00 1.80 / 3.60 1.50 / 3.00 1.30 / 2.60 1.10 / 2.20 1.00 / 2.00 0.90 / 1.80 0.70 / 1.40
MF-S175 2.50 / 5.59 2.30 / 5.14 2.00 / 4.47 1.70 / 3.80 1.50 / 3.35 1.30 / 2.91 1.20 / 2.68 1.10 / 2.46 0.90 / 2.01
MF-S200 3.20 / 7.04 2.80 / 6.16 2.50 / 5.50 2.00 / 4.40 1.70 / 3.74 1.60 / 3.52 1.40 / 3.08 1.20 / 2.64 0.90 / 1.98
MF-S350 5.40 / 9.72 4.80 / 8.64 4.30 / 7.74 3.50 / 6.30 3.00 / 5.40 2.80 / 5.04 2.50 / 4.50 2.20 / 3.96 1.70 / 3.06
MF-S420 6.40 / 11.5 5.70 / 10.3 5.10 / 9.23 4.20 / 7.60 3.60 / 6.51 3.30 / 5.97 3.00 / 5.43 2.60 / 4.70 2.10 / 3.80
S350
0144T
BOURNS Mm Max. Mlfl. Max. Mlfl. Max. Mm. Max. Mlfl. Max. 19.9 221 4.9 5.2 0.6 10 55 7.5 3.0 4.1 (0 703) (0.070) (0.193) (0. 205) (0. 024) (0. 039) (0 217) (0.295) (0.150) (0.161) 21.3 234 102 11.0 0.5 1.1 41 5.5 4.0 5.4 (0 039) (0.921) (0. 402) (0. 433) (0. 020) (0.043) (0161) (0.217) (0.109) (0. 213) 20.9 231 4.9 5.2 0.6 1.0 41 5.5 3.3 4.1 (0.023) (0.909) (0.193) (0. 205) (0. 024) (0. 039) (0161) (0. 217) (0.150) (0.161) 21.3 234 102 11.0 0.5 1.1 50 7.6 4.0 5.4 (0.039) (0.921) (0.402) (0 433) (0. 020) (0. 043) (0197) (0. 299) (0.109) (0. 213) 25.4 315 130 135 0.5 11 63 5.9 6.0 6.6 (1 119) (1.252) (0.512) (0.531) (0. 020) (0. 043) (0 246) (0. 350) (0.236) (0. 260) 30.6 324 129 136 0.5 1.1 50 7.5 6.0 6.6 (1 205) (1.276) (0.500) (0.535) (0. 020) (0.043) (0197) (0. 295) (0. 236) (0. 260) 7 0 ; AL 31“ k «1 p a \B //r; if I: 2" :I ‘F ,/ 1\ \ 51101201 m change mumm name Usevs snow vemy 001031 newts pmmmauce 1n mew 500mm appncauons 1w, umauusaesumeu new and unsancumem are sumac! 1n specmc 1ega1 0150101111075 as sel 1mm an we 1astpage cumsmumem and a: www {mums cam/nucs/1ega1/mscla1mer gm
3312 - 2 mm SMD Trimming Potentiometer
0.01
0.001
110 100
0.1
1
10
Fault Current (Amps)
Time to Trip (Seconds)
MF-S120
MF-S150
MF-S350
MF-S420
MF-S175
MF-S200
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.
MF-S Series - PTC Resettable Fuses
Product Dimensions
Model A B C D F
Min. Max. Min. Max. Min. Max. Min. Max. Min. Max.
MF-S120 19.9
(0.783)
22.1
(0.870)
4.9
(0.193)
5.2
(0.205)
0.6
(0.024)
1.0
(0.039)
5.5
(0.217)
7.5
(0.295)
3.8
(0.150)
4.1
(0.161)
MF-S150 21.3
(0.839)
23.4
(0.921)
10.2
(0.402)
11.0
(0.433)
0.5
(0.020)
1.1
(0.043)
4.1
(0.161)
5.5
(0.217)
4.8
(0.189)
5.4
(0.213)
MF-S175 20.9
(0.823)
23.1
(0.909)
4.9
(0.193)
5.2
(0.205)
0.6
(0.024)
1.0
(0.039)
4.1
(0.161)
5.5
(0.217)
3.8
(0.150)
4.1
(0.161)
MF-S200 21.3
(0.839)
23.4
(0.921)
10.2
(0.402)
11.0
(0.433)
0.5
(0.020)
1.1
(0.043)
5.0
(0.197)
7.6
(0.299)
4.8
(0.189)
5.4
(0.213)
MF-S350 28.4
(1.119)
31.8
(1.252)
13.0
(0.512)
13.5
(0.531)
0.5
(0.020)
1.1
(0.043)
6.3
(0.248)
8.9
(0.350)
6.0
(0.236)
6.6
(0.260)
MF-S420 30.6
(1.205)
32.4
(1.276)
12.9
(0.508)
13.6
(0.535)
0.5
(0.020)
1.1
(0.043)
5.0
(0.197)
7.5
(0.295)
6.0
(0.236)
6.6
(0.260)
Packaging: Bulk - 500 pcs. per bag. Tape and Reel - Consult factory. DIMENSIONS: MM
(INCHES)
Terminal material: quarter-hard nickel
F
B
D D
C
A
F
B
D D
A
Standard Style "S" Style
C
SLIT NOMINAL
0.5
(.020)
4.0
(.157)
X
Typical Part Marking
Represents total content. Layout may vary.
MANUFACTURER'S
TRADEMARK PART
IDENTIFICATION
LOT NO.
(T = TAIWAN
S = CHINA)
S120
0180T
DATE CODE
(FIRST DIGIT =
LAST DIGIT OF YEAR;
NEXT THREE DIGITS =
DAY OF YEAR)
Typical Time to Trip at 23 ˚C
How to Order
MF - S 120
Multifuse® Product
Designator
Series
S = Axial Leaded “Strap”
Component
Hold Current, Ihold
120-420 (1.20 Amps - 4.20 Amps)
MF-S, REV. Q, 07/18
BOURNS‘
3312 - 2 mm SMD Trimming Potentiometer
Application Notice
MFAN 12/18
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.
Bourns® Multifuse® PPTC Resettable Fuses
Users are responsible for independent and adequate evaluation of Bourns® Multifuse® Polymer PTC devices in the user’s
application, including the PPTC device characteristics stated in the applicable data sheet.
Polymer PTC devices must not be allowed to operate beyond their stated maximum ratings. Operation in excess of such
maximum ratings could result in damage to the PTC device and possibly lead to electrical arcing and/or fire. Circuits with
inductance may generate a voltage above the rated voltage of the polymer PTC device and should be thoroughly evaluated
within the user’s application during the PTC selection and qualification process.
Polymer PTC devices are intended to protect against adverse effects of temporary overcurrent or overtemperature
conditions up to rated limits and are not intended to serve as protective devices where overcurrent or overvoltage conditions
are expected to be repetitive or prolonged.
In normal operation, polymer PTC devices experience thermal expansion under fault conditions. Thus, a polymer PTC
device must be protected against mechanical stress, and must be given adequate clearance within the user’s application to
accommodate such thermal expansion. Rigid potting materials or fixed housings or coverings that do not provide adequate
clearance should be thoroughly examined and tested by the user, as they may result in the malfunction of polymer PTC
devices if the thermal expansion is inhibited.
Exposure to lubricants, silicon-based oils, solvents, gels, electrolytes, acids, and other related or similar materials may
adversely affect the performance of polymer PTC devices.
Aggressive solvents may adversely affect the performance of polymer PTC devices. Conformal coating, encapsulating,
potting, molding, and sealing materials may contain aggressive solvents including but not limited to xylene and toluene,
which are known to cause adverse effects on the performance of polymer PTCs. Such aggressive solvents must be
thoroughly cured or baked to ensure their complete removal from polymer PTCs to minimize the possible adverse effect
on the device.
Recommended storage conditions should be followed at all times. Such conditions can be found on the applicable data
sheet and on the Multifuse® Polymer PTC Moisture/Reflow Sensitivity Classification (MSL) note:
https://www.bourns.com/docs/RoHS-MSL/msl_mf.pdf
BOURNS'
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.
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failure of an individual Bourns® product to meet the requirements of such industry standard or particular qualification. Users
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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
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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.
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or any other generally equivalent governmental organization standard applicable to products designed or manufactured for
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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
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and the user for which such Bourns® custom products are specially designed. Absent a written agreement between Bourns
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also apply to such Bourns® custom products.
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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 05/17/18

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