MF-LS_13 Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – PTC Resettable Fuses

*RoHS ^COMPLIANT
014L4ST190
Features
■ Axial/radial leaded
■ Fully compatible with current industry
standards
■ Weldable nickel terminals
■ Very low internal resistance
■ RoHS compliant*
■ Agency recognition:
The slotted lead option is currently
available but not, recommended for
new designs.
MF-LS Series - PTC Resettable Fuses
Electrical Characteristics
Model
V max.
Volts
I max.
Amps
MF-LS100S
MF-LS180
MF-LS180L
MF-LS180S
MF-LS190
MF-LS190RU
MF-LS260
MF-LS300
MF-LS340
24
100
24
100
24
100
24
100
24
100
15
100
24
100
24
100
24
100
NOTE: Slotted option available on all models.
Ihold
Itrip
Amperes
at 23 °C
Hold
Trip
1.0
2.5
1.8
3.8
1.8
3.8
1.8
3.8
1.9
4.2
1.9
4.2
2.6
5.2
3.0
6.3
3.4
6.8
Initial
Resistance
Ohms
at 23 °C
Min.
0.070
0.040
0.040
0.040
0.030
0.030
0.025
0.015
0.016
Max.
0.130
0.068
0.068
0.068
0.057
0.057
0.042
0.031
0.027
1 Hour (R1)
Post-Trip
Resistance
Ohms
at 23 °C
Max.
0.260
0.120
0.120
0.120
0.100
0.100
0.076
0.055
0.050
Max. Time
to Trip
Amperes Seconds
at 23 °C at 23 °C
Tripped
Power
Dissipation
Watts
at 23 °C
Typ.
5
7.0
1.5
9
2.9
2.0
9
2.9
2.0
9
2.9
2.0
10
3.0
1.9
10
3.0
1.9
13
5.0
2.3
15
4.0
2.0
17
5.0
2.7
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............................................... ±10 % typical resistance change
Humidity Aging...................................................... +85 °C, 85% R.H. 7 days...................................... ±5 % typical resistance change
Vibration ............................................................... MIL-STD-883C,..................................................... No change
Condition A
Test Procedures And Requirements For Model MF-LS 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-LS100S
MF-LS180
MF-LS180L
MF-LS180S
MF-LS190
MF-LS190RU
MF-LS260
MF-LS300
MF-LS340
-40 ºC
1.80 / 4.50
3.10 / 6.54
3.10 / 6.54
3.10 / 6.54
3.30 / 7.29
3.30 / 7.29
4.30 / 8.60
5.10 / 10.7
5.50 / 11.0
-20 ºC
1.60 / 4.00
2.60 / 5.49
2.60 / 5.49
2.60 / 5.49
2.80 / 6.19
2.80 / 6.19
3.70 / 7.40
4.40 / 9.24
4.70 / 9.40
0 ºC
1.40 / 3.50
2.20 / 4.64
2.20 / 4.64
2.20 / 4.64
2.40 / 5.31
2.40 / 5.31
3.10 / 6.20
3.70 / 7.77
4.00 / 8.00
Ambient Operating Temperature
23 ºC
40 ºC
50 ºC
1.00 / 2.50 0.80 / 2.00 0.70 / 1.75
1.80 / 3.80 1.30 / 2.74 1.10 / 2.32
1.80 / 3.80 1.30 / 2.74 1.10 / 2.32
1.80 / 3.80 1.30 / 2.74 1.10 / 2.32
1.90 / 4.20 1.40 / 3.09 1.20 / 2.65
1.90 / 4.20 1.40 / 3.09 1.20 / 2.65
2.60 / 5.20 1.90 / 3.80 1.60 / 3.20
3.00 / 6.30 2.30 / 4.83 1.90 / 3.99
3.40 / 6.80 2.60 / 5.20 2.20 / 4.40
60 ºC
0.60 / 1.50
0.90 / 1.90
0.90 / 1.90
0.90 / 1.90
1.10 / 2.43
1.10 / 2.43
1.40 / 2.80
1.60 / 3.36
1.90 / 3.80
70 ºC
0.40 / 1.00
0.60 / 1.27
0.60 / 1.27
0.60 / 1.27
0.70 / 1.55
0.70 / 1.55
1.10 / 2.20
1.20 / 2.52
1.50 / 3.00
85 ºC
0.20 / 0.50
0.20 / 0.42
0.20 / 0.42
0.20 / 0.42
0.40 / 0.88
0.40 / 0.88
0.60 / 1.20
0.60 / 1.26
0.80 / 1.60
*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.