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IA
NT
Features

Applications
Any application that requires extra protection at elevated ambient temperatures, which the 100C trip temperature provides. Rechargeable battery pack protection Cellular phones Laptop computers
T V Rheinland
L 014 S190 4T

Axial/radial leaded Fully compatible with current industry standards Weldable nickel terminals Very low internal resistance RoHS compliant*, lead free Agency recognition:
*R
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PL
MF-LS Series - PTC Resettable Fuses
Electrical Characteristics
Initial Resistance Ohms at 23 C Min. Max.
1 Hour (R1) Post-Trip Resistance
Ihold Model V max. Volts I max. Amps
Itrip
Max. Time To Trip Amperes at 23 C Seconds at 23 C
Tripped Power Dissipation
Amperes at 23 C Hold Trip
Ohms at 23 C Max.
Watts at 23 C Typ.
MF-LS070 MF-LS070S MF-LS100S MF-LS180 MF-LS180L MF-LS180S MF-LS190 MF-LS190RU MF-LS260 MF-LS300 MF-LS340
15 15 24 24 24 24 24 15 24 24 24
100 100 100 100 100 100 100 100 100 100 100
0.7 0.7 1.0 1.8 1.8 1.8 1.9 1.9 2.6 3.0 3.4
1.5 1.5 2.5 3.8 3.8 3.8 4.2 4.2 5.2 6.3 6.8
0.100 0.100 0.070 0.040 0.040 0.040 0.030 0.030 0.025 0.015 0.016
0.200 0.200 0.130 0.068 0.068 0.068 0.057 0.057 0.042 0.031 0.027
0.340 0.340 0.260 0.120 0.120 0.120 0.100 0.100 0.076 0.055 0.050
3.5 3.5 5 9 9 9 10 10 13 15 17
5.0 5.0 7.0 2.9 2.9 2.9 3.0 3.0 5.0 4.0 5.0
1.0 1.0 1.5 2.0 2.0 2.0 1.9 1.9 2.3 2.0 2.7
Note: Slotted option available on all models.
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 TUV File Number ................................................R2057213
Thermal Derating Chart - Ihold / Itrip (Amps)
Ambient Operating Temperature Model MF-LS070 MF-LS070S MF-LS100S MF-LS180 MF-LS180L MF-LS180S MF-LS190 MF-LS190RU MF-LS260 MF-LS300 MF-LS340 -40 C 1.20 / 2.57 1.20 / 2.57 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 C 1.09 / 2.33 1.09 / 2.33 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 C 0.85 / 1.82 0.85 / 1.82 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 23 C 0.70 / 1.50 0.70 / 1.50 1.00 / 2.50 1.80 / 3.80 1.80 / 3.80 1.80 / 3.80 1.90 / 4.20 1.90 / 4.20 2.60 / 5.20 3.00 / 6.30 3.40 / 6.80 40 C 0.50 / 1.07 0.50 / 1.07 0.80 / 2.00 1.30 / 2.74 1.30 / 2.74 1.30 / 2.74 1.40 / 3.09 1.40 / 3.09 1.90 / 3.80 2.30 / 4.83 2.60 / 5.20 50 C 0.45 / 0.96 0.45 / 0.96 0.70 / 1.75 1.10 / 2.32 1.10 / 2.32 1.10 / 2.32 1.20 / 2.65 1.20 / 2.65 1.60 / 3.20 1.90 / 3.99 2.20 / 4.40 60 C 0.35 / 0.75 0.35 / 0.75 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 C 0.28 / 0.60 0.28 / 0.60 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 C 0.16 / 0.34 0.16 / 0.34 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 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
Additional Features
Patents pending
MF-LS Series - PTC Resettable Fuses
Product Dimensions
A Min. 19.9 (0.783) 19.9 (0.783) 20.9 (0.823) 24.0 (0.945) 35.0 (1.38) 24.0 (0.945) 21.3 (0.839) 19.8 (0.780) 24.0 (0.945) 28.4 (1.118) 24.0 (0.945) Max. 22.1 (0.870) 22.1 (0.870) 23.1 (0.909) 26.0 (1.024) 37.5 (1.48) 26.0 (1.024) 23.4 (0.921) 20.8 (0.819) 26.0 (1.024) 31.8 (1.252) 26.0 (1.024) Min. 4.9 (0.193) 4.9 (0.193) 4.9 (0.193) 4.9 (0.193) 4.9 (0.193) 4.9 (0.193) 10.2 (0.402) 13.3 (0.524) 10.8 (0.425) 13.0 (0.512) 14.8 (0.583) B Max. 5.2 (0.205) 5.2 (0.205) 5.2 (0.205) 5.2 (0.205) 5.6 (0.22) 5.2 (0.205) 11.0 (0.433) 14.3 (0.563) 11.9 (0.469) 13.5 (0.531) 15.9 (0.626) Min. 0.7 (0.028) 0.7 (0.028) 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) 0.5 (0.020) 0.4 (0.016) 0.6 (0.024) 0.5 (0.020) 0.6 (0.024) C Max. 1.2 (0.047) 1.2 (0.047) 1.0 (0.039) 1.0 (0.039) 1.0 (0.039) 1.0 (0.039) 1.1 (0.043) 0.76 (0.030) 1.0 (0.039) 1.1 (0.043) 1.0 (0.039) Min. 5.5 (0.217) 5.5 (0.217) 4.1 (0.161) 4.1 (0.161) 9.6 (0.38) 4.1 (0.161) 5.0 (0.197) 8.1 (0.319) 5.0 (0.197) 6.3 (0.248) 4.0 (0.158) D Max. 7.5 (0.295) 7.5 (0.295) 5.5 (0.217) 5.5 (0.217) 10.0 (0.40) 5.5 (0.217) 7.6 (0.299) 9.5 (0.374) 7.0 (0.276) 8.9 (0.350) 5.0 (0.197) Min. 3.8 (0.150) 3.9 (0.154) 3.8 (0.150) 3.8 (0.150) 3.8 (0.150) 3.8 (0.150) 4.8 (0.189) 3.8 (0.150) 5.9 (0.232) 6.0 (0.236) 6.0 (0.236) F Max. 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 4.2 (0.17) 4.1 (0.161) 5.4 (0.213) 4.1 (0.161) 6.1 (0.240) 6.6 (0.260) 6.1 (0.240
DIMENSIONS =
Model MF-LS070 MF-LS070S MF-LS100S MF-LS180 MF-LS180L MF-LS180S MF-LS190 MF-LS190RU MF-LS260 MF-LS300 MF-LS340
Pkg. Style Std. S S Std. Std. S Std. RU Std. Std. Std.
MM (INCHES)
Packaging: Bulk - 500 pcs. per bag. Tape and Reel - Consult factory. Standard Style
A
NOTE: Longer lead option available. Consult factory.
S Style
SLIT A 4.0 0.5 X NOMINAL (.020) (.157)
RU Style
A
B
F
F
B B D C F F C
D
D C
D
D
Terminal material: quarter-hard nickel
Typical Part Marking
Represents total content. Layout may vary.
MANUFACTURER'S TRADEMARK LS180 0144T DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR) PART IDENTIFICATION
LOT NO. (T = TAIWAN S = CHINA)
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
MF-LS Series - PTC Resettable Fuses
Typical Time to Trip at 23 C How To Order
MF-LS models offer trip temperatures lower than MF-S models for extra protection at elevated temperatures.
MF MF LS07 -LS 0 070 MF -LS S MF 100S MF LS18 MF-LS180 -L 0 MF S180L MF-LS19 S -L 0 MF S190 -LS RU MF 260 -L MF S300 -LS 340
MF - LS 100 S - __
Multifuse(R) Product Designator Series LS = Axial Leaded "Strap" Component Hold Current, Ihold 70-340 (0.70 Amps - 3.40 Amps) Lead Option S = Slotted Lead Option RU = Radial Lead Option Packaging Options - __ = Bulk Packaging - 2 = Tape and Reel* *Packaged per EIA486-B
10
Time to Trip (Seconds)
1
0.001 1 10 100
(Amps)
Fault Current
MF-LS, REV. H, 11/04 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
MF-S, MF-LS, MF-LR and MF-VS Series Tape and Reel Specifications
Taped Component Dimensions
48.0 0.3 (1.90 .012) 12.0 0.1 (.472 .004) 4.0 0.1 (.157 .004)
1.0 + 0.1/ -0 (.039 + .004/-0)
0.2 MAX. (.008)
DIA. 5.56 0.10 (.219 .004) 2.0 (.079) RADIUS
8.0 0.2 (.315 .008)
PASTEBOARD HOLD 4.0 0.2 (.157 .008)
PASTEBOARD HOLD
Reel Dimensions
13.0 (.512) DIA. 330 (13.0)
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

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