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Datasheet File OCR Text:

IA
NT
Features

Agency recognition:
T V Rheinland
014
4T

Axial leaded Fully compatible with current industry standards Weldable nickel terminals Very low internal resistance Operating currents to 9.0 Amps RoHS compliant*, lead free
CO
Applications

M
PL
Any application that requires protection at low resistances Rechargeable battery packs Cellular phones Laptop computers
*R
oH
S
MF-LR Series - PTC Resettable Fuses
Electrical Characteristics
1 Hour (R1) Tripped Power Dissipation
Ihold Model V max. Volts I max. Amps Hold
Itrip Amperes At 23 C Trip
Initial Resistance Ohms At 23 C Min. Max.
Post-Trip Resistance
Ohms At 23 C Max.
Max. Time To Trip Amperes Seconds At 23 C At 23 C
Watts At 23 C Typ.
MF-LR190 MF-LR190S MF-LR260 MF-LR260S MF-LR380 MF-LR450 MF-LR550 MF-LR600 MF-LR730 MF-LR730/20* MF-LR900/20*
15 15 15 15 15 20 20 10 10 20 20
100 100 100 100 100 100 100 100 100 100 100
1.90 1.90 2.60 2.60 3.80 4.50 5.50 6.00 7.30 7.30 9.00
3.90 3.90 5.80 5.80 8.30 8.90 10.50 11.70 14.10 14.10 16.70
0.039 0.039 0.020 0.020 0.013 0.011 0.009 0.007 0.006 0.006 0.006
0.072 0.072 0.042 0.042 0.026 0.020 0.019 0.014 0.012 0.012 0.010
0.102 0.102 0.063 0.063 0.037 0.028 0.022 0.016 0.015 0.015 0.014
9.5 9.5 13.0 13.0 19.0 22.5 27.5 30.0 30.0 30.0 45.0
5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0
1.2 1.2 1.3 2.5 2.5 1.4 1.4 2.8 3.0 3.0 3.0
* TUV recognition pending.
Environmental Characteristics Operating/Storage Temperature ........................-40 C to +85 C Maximum Device Surface Temperature in Tripped State ................................................125 C Passive Aging......................................................+70 C, 1000 hours ....................................10 % typical resistance change Humidity Aging....................................................+85 C, 85 % R.H. 7 days ..........................10 % typical resistance change Vibration ..............................................................MIL-STD-883C, Condition A ......................No change Test Procedures And Requirements For Model MF-LR 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 (Amps)
Ambient Operating Temperature -40 C -20 C MF-LR190 2.8 2.5 MF-LR190S 2.8 2.5 MF-LR260 3.8 3.4 MF-LR260S 3.8 3.4 MF-LR380 5.5 4.9 MF-LR450 6.5 5.8 MF-LR550 8.0 7.1 MF-LR600 8.7 7.8 MF-LR730 10.5 9.5 MF-LR730/20 10.5 9.5 MF-LR900/20 12.7 11.4 *Itrip is approximately two times Ihold. Model 0 C 2.3 2.3 3.1 3.1 4.4 5.3 6.2 7.1 8.6 8.6 10.0 23 C 1.9 1.9 2.6 2.6 3.8 4.5 5.5 6.0 7.3 7.3 9.0 40 C 1.6 1.6 2.2 2.2 3.3 3.9 4.7 5.2 7.4 7.4 7.5 50 C 1.5 1.5 2.0 2.0 3.0 3.6 4.3 4.7 6.8 6.8 6.8 60 C 1.4 1.4 1.9 1.9 2.8 3.3 4.0 4.4 6.2 6.2 6.2 70 C 1.2 1.2 1.7 1.7 2.5 2.9 3.6 3.9 5.5 5.5 5.5 85 C 1.0 1.0 1.4 1.4 2.1 2.5 3.0 3.3 4.5 4.5 4.5
*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.
MF-LR Series - PTC Resettable Fuses
Product Dimensions
Model MF-LR190 MF-LR190S MF-LR260 MF-LR260S MF-LR380 MF-LR450 MF-LR550 MF-LR600 MF-LR730 MF-LR730/20 MF-LR900/20 A Min. 19.9 (0.783) 19.9 (0.783) 20.9 (0.823) 20.9 (0.823) 24.0 (0.945) 24.0 (0.945) 35.0 (1.378) 24.0 (0.945) 27.1 (1.067) 27.1 (1.067) 45.4 (1.787) Max. 22.1 (0.870) 22.1 (0.870) 23.1 (0.909) 23.1 (0.909) 26.0 (1.024) 26.0 (1.024) 37.0 (1.457) 26.0 (1.024) 29.1 (1.146) 29.1 (1.146) 47.6 (1.874) Min. 4.9 (0.193) 4.9 (0.193) 4.9 (0.193) 4.9 (0.193) 6.9 (0.272) 9.9 (0.390) 6.9 (0.272) 13.9 (0.547) 13.9 (0.547) 13.9 (0.547) 7.9 (0.311) B Max. 5.2 (0.205) 5.2 (0.205) 5.2 (0.205) 5.2 (0.205) 7.5 (0.295) 10.5 (0.414) 7.5 (0.295) 14.5 (0.571) 14.5 (0.571) 14.5 (0.571) 8.5 (0.335) Min. 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) 0.6 (0.024) C Max. 1.0 (0.039) 1.0 (0.039) 1.0 (0.039) 1.0 (0.039) 1.0 (0.039) 1.0 (0.039) 1.0 (0.039) 1.0 (0.039) 1.0 (0.039) 1.0 (0.039) 1.3 (0.051) Min. 5.5 (0.217) 5.5 (0.217) 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 5.3 (0.209) 5.3 (0.209) 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 4.6 (0.181) D Max. 7.5 (0.295) 7.5 (0.295) 5.5 (0.217) 5.5 (0.217) 5.5 (0.217) 6.7 (0.264) 6.7 (0.264) 5.5 (0.217) 5.5 (0.217) 5.5 (0.217) 9.2 (0.362) Min. 3.9 (0.154) 3.9 (0.154) 3.9 (0.154) 3.9 (0.154) 4.9 (0.193) 5.9 (0.232) 4.9 (0.193) 5.9 (0.232) 5.9 (0.232) 5.9 (0.232) 5.9 (0.232) F Max. 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 5.1 (0.201) 6.1 (0.240) 5.1 (0.201) 6.1 (0.240) 6.1 (0.240) 6.1 (0.240) 6.1 (0.240)
DIMENSIONS =
Pkg. Style Std. S Std. S Std. Std. Std. Std. Std. Std. Std.
MM (INCHES)
Packaging: Bulk - 500 pcs. per bag.
Tape and Reel - Consult factory.
Standard Style
A
S Style "S" Style
SLIT
4.0 0.5 X NOMINAL (.020) (.157) A
Typical Part Marking
Represents total content. Layout may vary.
MANUFACTURER'S TRADEMARK PART IDENTIFICATION LOT NO. (T = TAIWAN S = CHINA)
B
F
B
F
D
D C
D
D C
LR190 0144T DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR)
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
MF-LR Series - PTC Resettable Fuses
Typical Time to Trip at 23 C
100
How To Order
MF - LR 730/20 S - 0
Multifuse(R) Product Designator Series LR = Axial Leaded "Strap" Component
Time to Trip (Seconds)
10
Hold Current, Ihold/Vmax* 190-900 (1.90 Amps - 9.00 Amps)
1
MF-LR900/20 MF-LR730 & MF-LR730/20 MF-LR600 MF-LR550 MF-LR450 MF-LR380 MF-LR260 MF-LR190
Lead Option** S = Slotted Lead Option Packaging Options -__ = Bulk Packaging Designator for Models MF-LR190 through MF-LR730 -0 = Bulk Packaging Designator for Models MF-LR730/20 and MF-LR900/20 -2 = Tape and Reel*** *Vmax entry applies only to Models MF-LR730/20 & MF-LR900/20. **Slotted Lead Option applies only to Models MFLR190 & MF-LR260.
.01 1 10 100
***Packaged per EIA 486-B
Fault Current
(Amps)
MF-LR SERIES, REV. L, 10/05 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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