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Features

Applications
Almost anywhere there is a low voltage power supply and a load to be protected, including: Computers & peripherals General electronics Automotive applications
Surface Mount Devices Fully compatible with current industry standards Packaged per EIA 481-2 standard Lead free option available Agency recognition:
(R)
(R)
TUV Rheinland
Product Safety
MF-SM Series - PTC Resettable Fuses
Electrical Characteristics
Ihold Model V max. Volts I max. Amps Itrip Resistance Ohms at 23 C RMin. R1Max. Max. Time To Trip Amperes at 23 C Seconds at 23 C Max.
Tripped Power Dissipation
Amperes at 23 C Hold Trip
Watts at 23 C Typ.
MF-SM030 MF-SM050 MF-SM075 MF-SM100* MF-SM100/33 MF-SM125 MF-SM150 MF-SM150/33 MF-SM185/33 MF-SM200 MF-SM250 MF-SM260
*UL Pending
60 60 30 30 33 15 15 33 33 15 15 6
40 40 80 80 40 100 100 40 40 100 100 100
0.30 0.50 0.75 1.10 1.10 1.25 1.50 1.50 1.8 2.00 2.50 2.60
0.60 1.00 1.50 2.20 2.20 2.50 3.00 3.00 3.60 4.00 5.00 5.20
0.90 0.35 0.23 0.12 0.12 0.07 0.06 0.06 0.04 0.045 0.024 0.025
4.80 1.40 1.00 0.48 0.41 0.25 0.25 0.23 0.15 0.125 0.085 0.075
1.5 2.5 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0 8.0
3.0 4.0 0.3 0.5 0.5 2.0 5.0 5.0 5.0 12.0 25.0 20.0
1.7 1.7 1.7 1.7 1.7 1.7 1.9 1.9 1.2 1.9 1.9 1.7
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 Thermal Shock ..........................................................................MIL-STD-202F, Method 107G, ........................................10 % typical resistance change +125 C to -55 C,10 cycles Vibration ....................................................................................MIL-STD-883C, Method 2007.1, Condition A..................No change
Test Procedures And Requirements For Model MF-SM 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 Solderability ......................................MIL-STD-202F, Method 208F ................................................95 % min. coverage UL File Number ..................................E174545 http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545 CSA File Number................................CA110338 http://directories.csa-international.org/ Under "Certification Record" and "File Number" enter 110338-0-000 TUV Certificate Number ....................R 02057213 http://www.tuvdotcom.com/ Follow link to "other certificates", enter File No. 2057213
Thermal Derating Chart - Ihold / Itrip (Amps)
Ambient Operating Temperature Model MF-SM030 MF-SM050 MF-SM075 MF-SM100 MF-SM100/33 MF-SM125 MF-SM150 MF-SM150/33 MF-SM185/33 MF-SM200 MF-SM250 MF-SM260 -40 C 0.45 / 0.90 0.76 / 1.52 1.13 / 2.26 1.66 / 3.32 1.66 / 3.32 1.89 / 3.78 2.27 / 4.54 2.27 / 4.54 2.56 / 5.12 3.02 / 6.04 3.78 / 7.56 3.64 / 7.28 -20 C 0.40 / 0.80 0.67 / 1.34 1.01 / 2.02 1.47 / 2.94 1.47 / 2.94 1.68 / 3.36 2.01 / 4.02 2.01 / 4.02 2.32 / 4.64 2.68 / 5.36 3.35 / 6.70 3.25 / 6.50 0 C 0.35 / 0.70 0.59 / 1.18 0.88 / 1.76 1.29 / 2.58 1.29 / 2.58 1.46 / 2.92 1.76 / 3.52 1.76 / 3.52 2.08 / 4.16 2.34 / 4.68 2.93 / 5.86 2.91 / 5.82 23 C 0.30 / 0.60 0.50 / 1.00 0.75 / 1.50 1.10 / 2.20 1.10 / 2.20 1.25 / 2.50 1.50 / 3.00 1.50 / 3.00 1.85 / 3.70 2.00 / 4.00 2.50 / 5.00 2.60 / 5.20 40 C 0.25 / 0.50 0.42 / 0.84 0.62 / 1.24 0.91 / 1.82 0.91 / 1.82 1.04 / 2.08 1.25 / 2.50 1.25 / 2.50 1.60 / 3.20 1.66 / 3.32 2.08 / 4.16 2.26 / 4.52 50 C 0.23 / 0.46 0.38 / 0.76 0.56 / 1.12 0.83 / 1.66 0.83 / 1.66 0.94 / 1.88 1.13 / 2.26 1.13 / 2.26 1.44 / 2.88 1.50 / 3.00 1.88 / 3.76 2.08 / 4.16 60 C 0.20 / 0.40 0.33 / 0.66 0.50 / 1.00 0.73 / 1.46 0.73 / 1.46 0.83 / 1.66 0.99 / 1.98 0.99 / 1.98 1.28 / 2.56 1.32 / 2.64 1.65 / 3.30 1.95 / 3.90 70 C 0.17 / 0.34 0.29 / 0.58 0.44 / 0.88 0.64 / 1.28 0.64 / 1.28 0.73 / 1.46 0.87 / 1.74 0.87 / 1.74 1.12 / 2.24 1.16 / 2.32 1.45 / 2.90 1.74 / 3.48 85 C 0.14 / 0.28 0.23 / 0.46 0.34 / 0.68 0.50 / 1.00 0.50 / 1.00 0.56 / 1.12 0.68 / 1.36 0.68 / 1.36 0.88 / 1.76 0.90 / 1.80 1.13 / 2.26 1.48 / 2.96
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
Additional Features
Patents pending
MF-SM Series - PTC Resettable Fuses
Product Dimensions
A Min. 6.73 (0.265) 6.73 (0.265) 6.73 (0.265) 6.73 (0.265) 6.73 (0.265) 6.73 (0.265) 8.00 (0.315) 8.00 (0.315) 8.00 (0.315) 8.00 (0.315) 8.00 (0.315) 6.73 (0.265) Max. 7.98 (0.314) 7.98 (0.314) 7.98 (0.314) 7.98 (0.314) 7.98 (0.314) 7.98 (0.314) 9.50 (0.374) 9.50 (0.374) 9.50 (0.374) 9.50 (0.374) 9.50 (0.374) 7.98 (0.314) B Max. 3.18 (0.125) 3.18 (0.125) 3.18 (0.125) 3.00 (0.118) 3.00 (0.118) 3.00 (0.118) 3.00 (0.118) 3.00 (0.118) 3.00 (0.118) 3.00 (0.118) 3.00 (0.118) 3.00 (0.118) C Max. 5.44 (0.214) 5.44 (0.214) 5.44 (0.214) 5.44 (0.214) 5.44 (0.214) 5.44 (0.214) 6.71 (0.264) 6.71 (0.264) 6.71 (0.264) 6.71 (0.264) 6.71 (0.264) 5.44 (0.214) D Min. Max. 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) 0.56 0.71 (0.022) (0.028) E Min. 0.56 (0.022) 0.56 (0.022) 0.56 (0.022) 0.56 (0.022) 0.56 (0.022) 0.56 (0.022) 0.56 (0.022) 0.56 (0.022) 0.56 (0.022) 0.56 (0.022) 0.56 (0.022) 0.56 (0.022) Max. 0.71 (0.028) 0.71 (0.028) 0.71 (0.028) 0.71 (0.028) 0.71 (0.028) 0.71 (0.028) 0.71 (0.028) 0.71 (0.028) 0.71 (0.028) 0.71 (0.028) 0.71 (0.028) 0.71 (0.028) Min. 2.16 (0.085) 2.16 (0.085) 2.16 (0.085) 2.16 (0.085) 2.16 (0.085) 2.16 (0.085) 3.68 (0.145) 3.68 (0.145) 3.68 (0.145) 3.68 (0.145) 3.68 (0.145) 2.16 (0.085) F Max. 2.41 (0.095) 2.41 (0.095) 2.41 (0.095) 2.41 (0.095) 2.41 (0.095) 2.41 (0.095) 3.94 (0.155) 3.94 (0.155) 3.94 (0.155) 3.94 (0.155) 3.94 (0.155) 2.41 (0.095) G Min. Max. 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054) 0.66 1.37 (0.026) (0.054)
UNIT =
Model MF-SM030 MF-SM050 MF-SM075 MF-SM100 MF-SM100/33 MF-SM125 MF-SM150 MF-SM150/33 MF-SM185/33 MF-SM200 MF-SM250 MF-SM260
H Min. 0.43 (0.017) 0.43 (0.017) 0.43 (0.017) 0.43 (0.017) 0.43 (0.017) 0.43 (0.017) 0.43 (0.017) 0.43 (0.017) 0.43 (0.017) 0.43 (0.017) 0.43 (0.017) 0.43 (0.017)
MM (INCHES)
Packaging: TAPE & REEL: MF-SM030, 050, 075, 100, 100/33, 125, 260 = 2000 pcs. per reel; MF-SM150, 150/33, 185/33, 200, 250 = 1500 pcs. per reel.
Typical Part Marking
C G B
Represents total content. Layout may vary.
MANUFACTURER'S TRADEMARK PART IDENTIFICATION DATE CODE WEEK 1 OF 2000 = 0A (YEAR & WEEK) WEEK 27 OF 2000 = A0 (WEEK & YEAR)
Terminal material: Tin-plated brass
F
H D A E
030 0A
End View
Side View
How to Order
Recommended Pad Layout MF-SM030, 050, 075, 100, 100/33, 125, 260
2.3 0.1 (0.09 0.004)
Recommended Pad Layout MF-SM150, 150/33, 185/33, 200, 250
2.3 0.1 (0.09 0.004)
(R)
MF - SM 100/33 - 2 - 99
Multifuse Product Designator Series SM = Surface Mount Component Hold Current, Ihold/Vmax* 030 - 260 (0.3 - 2.6 Amps)
9.7 0.1 (0.38 0.004) 3.1 0.1 (0.12 0.004) 3.1 0.1 (0.12 0.004) 4.6 0.1 (0.18 0.004) 10.7 0.1 (0.42 0.004) 4.6 0.1 (0.18 0.004)
Packaging Options - 2 = Tape and Reel** Lead Free Option - __ = Standard Product - 99 = Lead Free *Vmax entry applies only to models MF-SM100/33, MF-SM150/33 & MF-SM185/33.
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
**Packaged per EIA-481-2
MF-SM Series - PTC Resettable Fuses
Typical Time to Trip at 23 C
100
10
Time to Trip (Seconds)
1
0.01
0.001 0.1 1 10 100
Fault Current (Amps)
Solder Reflow Recommendations
300 250 200 150 100 50 0 160-220 10-20 Time (seconds) 120
Preheating
Soldering
Cooling
Temperature (C)
Solder reflow * Recommended reflow methods: IR, vapor phase oven, hot air oven. * Devices are not designed to be wave soldered to the bottom side of the board. * Gluing the devices is not recommended. * Recommended maximum paste thickness is 0.25 mm (.010 inch). * Devices can be cleaned using standard industry methods and solvents. Note: * If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. Rework * A device should not be reworked.
MF -SM 185 /33
0.1
MF -SM 030 MF -SM MF 050 -SM MF 075 -SM MF 100, -S M MF M125 F-SM -SM 100 /33 MF 150, -SM MF -SM 200 MF 150 -SM /33 MF 250 -SM 260
MF-SM SERIES, REV. O, 04/04 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
MF-SM, MF-SM/33 & MF-SM/250 Series Tape and Reel Specifications
Tape Dimensions W P0 P1 P2 A0 B0 B1 max. D0 F E1 E2 min. T max. T1 max. K0 Leader min. Trailer min. Reel Dimensions A max. N min. W1 W2 max. * Model MF-SM013/250 =
3.8 0.1 (0.150 0.004)
MF-SM030, 050, 075, 100, 125, 260; MF-SM-100/33 per EIA-481-2
16.0 0.3 (0.630 0.012) 4.0 0.1 (0.157 0.004) 8.0 0.1 (0.315 0.004) 2.0 0.1 (0.079 0.004) 5.7 0.1 (0.224 0.004) 8.1 0.1 (0.319 0.004) 12.1 (0.476) 1.5 + 0.1/-0.0 (0.059 + 0.004/-0) 7.5 0.1 (0.295 + 0.004) 1.75 0.1 (0.069 0.004) 14.25 (0.561) 0.6 (0.024) 0.1 (0.004) 3.4 0.1 (0.134 0.004) 390 (15.35) 160 (6.30)
MF-SM150, 200, 250; MF-SM-150/33; MF-SM185/33; MF-SM013/250 per EIA 481-2
16.0 0.3 (0.630 0.012) 4.0 0.1 (0.157 0.004) 12.0 0.1 (0.472 0.004) 2.0 0.1 (0.079 0.004) 6.9 0.1 (0.272 0.004) 9.6 0.1 (0.378 0.004) 12.1 (0.476) 1.5 + 0.1/-0.0 (0.059 + 0.004/-0) 7.5 0.1 (0.295 + 0.004) 1.75 0.1 (0.069 0.004) 14.25 (0.561) 0.6 (0.024) 0.1 (0.004) 3.4 0.1* (0.134 0.004)* 390 (15.35) 160 (6.30)
360 (14.17) 50 (1.97) 16.4 + 2.0/ -0.0 (0.646 + 0.079/-0) 22.4 (0.882)
360 (14.17) 50 (1.97) 16.4 + 2.0/ -0.0 (0.646 + 0.079/-0) 22.4 (0.882)
UNIT =
MM (INCHES)
P0 T D0 P2
E1
W2(MEASURED AT HUB)
COVER TAPE F B1 B0 K0 T1 P1 A0 W1(MEASURED AT HUB) E2 W A N(HUB DIA.)
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

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