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MF-SM013-250V Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – Telecom PTC Resettable Fuses
*RoHS COMPLIANT
Features
■ Surface Mount Device
■ Reduced footprint size
■ High voltage surge capabilities
■ Assists in meeting ITU K.20/K.21/K.45
specifications
■ RoHS compliant*
■ Agency recognition:
T V Rheinland
Applications
Provides overcurrent protection in:
■ Customer Premise Equipment (CPE)
■ Central Office (CO)
■ Access/Outside Plant Equipment
MF-SM013/250V - Telecom PTC Resettable Fuses
Electrical Characteristics
Max.
Operating
Voltage
Model
Volts
MF-SM013/250V
60
Max.
Interrupt
Ratings
Volts
(V)
Amps
(A)
Max.
Max.
250
3.0
Hold
Current
Amps
at
23 °C
IH
0.13
Initial
Resistance
One Hour Tripped
Post-Trip Power
Resistance Dissipation
Ohms
at
23 °C
Min.
Ohms
at
23 °C
Max.
Ohms
at
23 °C
Max.
Watts
at
23 °C
Typ.
6.5
12.0
20.0
3.0
Environmental Characteristics
Operating 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
+60 °C, 1000 hours
±5 % typical resistance change
Humidity Aging ........................................................+85 °C, 85 % R.H. 500 hours..........................................±5 % 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
Test Procedures And Requirements For Model SM013/250V 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
TÜV File Number ....................................................R2057213
Thermal Derating Chart -Ihold / Itrip (Amps)
Model
MF-SM013/250V
Ambient Operating Temperature
-40 °C
-20 °C
0 °C
23 °C
40 °C
50 °C
60 °C
70 °C
85 °C
0.21 / 0.42 0.18 / 0.37 0.16 / 0.31 0.13 / 0.26 0.10 / 0.23 0.09 / 0.18 0.08 / 0.15 0.07 / 0.12 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.