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Features

Applications
Used as a secondary overcurrent protection device in: Customer Premise Equipment (CPE) Central Office (CO) Subscriber Line Interface Cards (SLIC)
Surface Mount Devices High voltage surge capabilities Binned and sorted resistance ranges Assists in meeting ITU K.20/K.21 specifications RoHS compliant* Agency recognition:
T V Rheinland
*R
oH
S
CO
M
PL
MF-SM013/250 - Telecom PTC Resettable Fuses
Electrical Characteristics
Max. Oper. Voltage Model Volts Max. Interrupt Ratings Volts (V) Max. MF-SM013/250-2 MF-SM013/250-A-2 MF-SM013/250-B-2 MF-SM013/250-C-2 Environmental Characteristics
Operating/Storage Temperature ..............................-45 C to +85 C Maximum Device Surface Temperature in Tripped State......................................................125 C Passive Aging ..........................................................+85 C, 1000 hours ..........................................................2 % typical resistance change +60 C, 1000 hours 3 % typical resistance change Humidity Aging ........................................................+85 C, 85 % R.H. 500 hours ..........................................3 % typical resistance change Thermal Shock ........................................................MIL-STD-202F, Method 107G, ........................................10 % typical resistance change +125 C to -55 C,10 times 15 % typical resistance change Solvent Resistance ..................................................MIL-STD-202, Method 215B............................................No change Lead Solerability ......................................................ANSI/J-STD-002 Flammability ............................................................IEC 695-2-2......................................................................No Flame for 60 secs. Vibration ..................................................................MIL-STD-883C, Method 2007.1, Condition A..................No change
Hold Current Amps at 23 C IH 0.13 0.13 0.13 0.13
Initial Resistance Ohms at 23 C Min. 6.5 6.5 9.0 7.0 Ohms at 23 C Max. 12.0 9.0 12.0 10.0
One Hour Tripped Post-Trip Power Resistance Dissipation Ohms at 23 C Max. 20.0 20.0 20.0 20.0 Watts at 23 C Typ. 3.3 3.3 3.3 3.3
Amps (A) Max. 3.0 3.0 3.0 3.0
60 60 60 60
250 250 250 250
Test Procedures And Requirements For Model SM013/250 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 Rmax 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 ........................................................E 174545S CSA File Number ....................................................CA 110338 TUV File Number......................................................R2057213
Thermal Derating Chart -Ihold / Itrip (Amps)
Ambient Operating Temperature Model MF-SM013/250-2 MF-SM013/250-A-2 MF-SM013/250-B-2 MF-SM013/250-C-2 -40 C 0.21 / 0.42 0.21 / 0.42 0.21 / 0.42 0.21 / 0.42 -20 C 0.18 / 0.37 0.18 / 0.37 0.18 / 0.37 0.18 / 0.37 0 C 0.16 / 0.31 0.16 / 0.31 0.16 / 0.31 0.16 / 0.31 23 C 0.13 / 0.26 0.13 / 0.26 0.13 / 0.26 0.13 / 0.26 40 C 0.10 / 0.23 0.10 / 0.23 0.10 / 0.23 0.10 / 0.23 50 C 0.09 / 0.18 0.09 / 0.18 0.09 / 0.18 0.09 / 0.18 60 C 0.08 / 0.15 0.08 / 0.15 0.08 / 0.15 0.08 / 0.15 70 C 0.07 / 0.12 0.07 / 0.12 0.07 / 0.12 0.07 / 0.12 85 C 0.05 / 0.10 0.05 / 0.10 0.05 / 0.10 0.05 / 0.10
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
Additional Features
Withstands lightning power induction
MF-SM013/250 Series - Telecom PTC Resettable Fuses
Product Dimensions
A Max. 9.4 (0.370) 9.4 (0.370) 9.4 (0.370) 9.4 (0.370) B Max. 3.7 (0.146) 3.7 (0.146) 3.7 (0.146) 3.7 (0.146) C Max. 7.4 (0.291) 7.4 (0.291) 7.4 (0.291) 7.4 (0.291) D Nom. 0.3 (0.012) 0.3 (0.012) 0.3 (0.012) 0.3 (0.012) E Nom. 3.8 (0.149) 3.8 (0.149) 3.8 (0.149) 3.8 (0.149)
MM (INCHES) Recommended Pad Layout
I C I
Model MF-SM013/250-2 MF-SM013/250-A-2 MF-SM013/250-B-2 MF-SM013/250-C-2
Packaging: TAPE & REEL: 1500 pcs. per reel
G Nom. 9.7 (0.383) 9.7 (0.383) 9.7 (0.383) 9.7 (0.383)
H Nom. 4.6 (0.18) 4.6 (0.18) 4.6 (0.18) 4.6 (0.18)
I Nom. 1.8 (0.071) 1.8 (0.071) 1.8 (0.071) 1.8 (0.071)
DIMENSIONS =
B
Terminal material: Tin-plated brass
H H G
E A
D
End View
Side View
Solder Reflow Recommendations
300 250 200 150 100 50 0 160-220 10-20 Time (seconds) 120
Preheating
Soldering
Cooling
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.
Temperature (C)
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
MF-SM013/250 Series - Telecom PTC Resettable Fuses
Typical Time to Trip at 23 C
20 10
MF-SM013/250-C05-2 MF-SM013/250-2
Typical Part Marking
Represents total content. Layout may vary.
MF-SM013/250-A-2 MANUFACTURER'S TRADEMARK PART IDENTIFICATION 013 0A DATE CODE WEEK 1 OF 2000 = 0A (YEAR & WEEK) WEEK 27 OF 2000 = A0 (WEEK & YEAR)
MF-SM013/250-B-2
Time to trip (Seconds)
1
How to Order
MF - SM 013/250 Multifuse Product Designator
(R)
-2
0.1
Series R = Radial Leaded Component SM = Surface Mount Component Hold Current, Ihold 013 (0.13 Amps)
0.01 0.1 1 5
Max. Interrupt Voltage, V Resistance Range A = 6.5-9 ohms B = 9-12 ohms C = 7-10 ohms Resistance Sorted in Bins 05 = 0.5 ohms Packaging - 2 = Tape and Reel* *Packaged per EIA486-B
Fault Current (Amps)
NOTE: All parts are also available "binned". All parts within a package will be within 0.5 ohms of each other within the initial resistance range.
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
MF-SM013/250, REV. M, 06/06
MF-SM, MF-SM/33, MF-SM/60 & 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, 300; MF-SM075/60; 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-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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