English
Language : 

MF-SMHT136_12 Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – PTC Resettable Fuses
*Ro&HSAECCOMAPPPLRIAONVTED
143A6
Features
■ Compliant with AEC-Q200 Rev-C Stress
Test Qualification for Passive Components
in Automotive Applications
■ Operating temperature range up to 125 °C
■ Low thermal derating factor
■ Higher hold currents at elevated
temperature
■ Choice of operating currents
■ RoHS compliant*
MF-SMHT Series - PTC Resettable Fuses
Electrical Characteristics
Model
MF-SMHT136
MF-SMHT160
V max.
Volts
I max.
Amps
16
100
16
100
Ihold
Itrip
Amperes
at 23 °C
Hold
Trip
1.36
2.72
1.60
3.20
Resistance
Ohms
at 23 °C
RMin.
R1Max.
0.085
0.33
0.050
0.15
Max. Time
To Trip
Amperes Seconds
at 23 °C at 23 °C
8.0
10.0
8.0
10.0
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
2.1
2.1
Environmental Characteristics
Operating Temperature......................................... -40 °C to +125 °C
Storage Temperature............................................ -40 °C to +85 °C
Passive Aging ....................................................... +125 °C, 1000 hours............................................. ±15 % typical resistance change
Humidity Aging...................................................... +85 °C, 85 % R.H. 7 days..................................... ±15 % typical resistance change
Thermal Shock ..................................................... MIL-STD-202F, Method 107G,.............................. ±15 % 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-SMHT 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
Thermal Derating Chart - Ihold/Itrip (Amps)
Model
MF-SMHT136
MF-SMHT160
Ambient Operating Temperature
-40 °C
-20 °C
0 °C
23 °C
40 °C
50 °C
60 °C
70 °C
85 °C
125 °C
1.91 / 3.82 1.72 / 3.44 1.54 / 3.08 1.36 / 2.72 1.18 / 2.36 1.09 / 2.18 1.00 / 2.00 0.91 / 1.82 0.77 / 1.54 0.40 / 0.80
2.15 / 4.30 1.96 / 3.92 1.78 / 3.56 1.60 / 3.20 1.42 / 2.48 1.33 / 2.66 1.24 / 2.48 1.15 / 3.30 1.02 / 2.04 0.64 / 1.28
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
*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.
Customers should verify actual device performance in their specific applications.