MF-S_13 Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – PTC Resettable Fuses

*RoHS ^COMPLIANT
014S43T50
Features
■ Axial leaded
■ Fully compatible with current industry
standards
■ Weldable nickel terminals
■ Very low internal resistance
■ Agency recognition:
■ RoHS compliant*
The slotted lead option is currently
available but not, recommended for
new designs.
Applications
■ Rechargeable battery pack protection
■ Provides overcurrent protection with
125 °C trip temperature
MF-S Series - PTC Resettable Fuses
Electrical Characteristics
Model
MF-S120
MF-S120S
MF-S150
MF-S175
MF-S175S
MF-S200
MF-S350
MF-S420
V max. I max.
Volts Amps
15
100
15
100
15
100
15
100
15
100
30
100
30
100
30
100
Ihold
Itrip
Amperes
at 23 °C
Hold
Trip
1.20
2.70
1.20
2.70
1.50
3.00
1.75
3.80
1.75
3.80
2.00
4.40
3.50
6.30
4.20
7.60
NOTE: Slotted lead option available on all models.
Initial Resistance
Ohms
at 23 °C
Min.
Max.
0.085
0.160
0.085
0.160
0.050
0.090
0.050
0.090
0.050
0.090
0.030
0.060
0.017
0.031
0.012
0.024
1 Hour (R1)
Post-Trip
Resistance
Ohms
at 23 °C
Max.
0.220
0.220
0.113
0.120
0.120
0.080
0.040
0.040
Max. Time to Trip
Amperes Seconds
at 23 °C at 23 °C
6
5.0
6
5.0
8
5.0
9
4.0
9
4.0
10
4.0
20
3.0
20
6.0
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
1.20
1.20
1.30
1.50
1.50
1.90
2.50
2.90
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
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 ............................................... E 174545S
CSA File Number............................................. CA 110338
TÜV File Number............................................. R2057213
Thermal Derating Chart - Ihold/ Itrip (Amps)
Model
MF-S120
MF-S120S
MF-S150
MF-S175
MF-S175S
MF-S200
MF-S350
MF-S420
-40 ºC
1.90 / 4.28
1.90 / 4.28
2.20 / 4.40
2.50 / 5.59
2.50 / 5.59
3.20 / 7.04
5.40 / 9.72
6.40 / 11.5
-20 ºC
1.70 / 3.83
1.70 / 3.83
2.00 / 4.00
2.30 / 5.14
2.30 / 5.14
2.80 / 6.16
4.80 / 8.64
5.70 / 10.3
0 ºC
1.50 / 3.38
1.50 / 3.38
1.80 / 3.60
2.00 / 4.47
2.00 / 4.47
2.50 / 5.50
4.30 / 7.74
5.10 / 9.23
Ambient Operating Temperature
23 ºC
40 ºC
50 ºC
1.20 / 2.70 1.00 / 2.25 0.90 / 2.03
1.20 / 2.70 1.00 / 2.25 0.90 / 2.03
1.50 / 3.00 1.30 / 2.60 1.10 / 2.20
1.70 / 3.80 1.50 / 3.35 1.30 / 2.91
1.70 / 3.80 1.50 / 3.35 1.30 / 2.91
2.00 / 4.40 1.70 / 3.74 1.60 / 3.52
3.50 / 6.30 3.00 / 5.40 2.80 / 5.04
4.20 / 7.60 3.60 / 6.51 3.30 / 5.97
60 ºC
0.80 / 1.80
0.80 / 1.80
1.00 / 2.00
1.20 / 2.68
1.20 / 2.68
1.40 / 3.08
2.50 / 4.50
3.00 / 5.43
70 ºC
0.70 / 1.58
0.70 / 1.58
0.90 / 1.80
1.10 / 2.46
1.10 / 2.46
1.20 / 2.64
2.20 / 3.96
2.60 / 4.70
85 ºC
0.50 / 1.13
0.50 / 1.13
0.70 / 1.40
0.90 / 2.01
0.90 / 2.01
0.90 / 1.98
1.70 / 3.06
2.10 / 3.80
*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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.