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IA
NT
Features

Applications

V 201S240 8S

Axial leaded Fully compatible with current industry standards Weldable nickel terminals Very low internal resistance Low switching temperature RoHS compliant*, lead free
Any application that requires protection at low resistances Rechargeable battery packs; designed for NiMH and Li-Ion chemical characteristics Cellular phones Laptop computers
*R
oH
S
CO
M
PL
MF-VS Series - PTC Resettable Fuses
Electrical Characteristics
1 Hour (R1) Tripped Power Dissipation
Ihold Model V max. Volts I max. Amps
Itrip
Amperes At 23 C Hold Trip
Min.
Initial Resistance Ohms At 23 C Max.
Post-Trip Resistance
Typ.
Ohms At 23 C Max.
Max. Time To Trip Amperes Seconds At 23 C At 23 C
Watts At 23 C Typ.
MF-VS170 MF-VS210 MF-VS240
16 16 16
100 100 100
1.7 2.1 2.4
3.4 4.7 5.9
0.030 0.018 0.014
0.052 0.030 0.026
0.040 0.022 0.020
0.105 0.060 0.052
8.5 10.0 12.0
3.0 5.0 6.0
1.4 1.5 1.9
Environmental Characteristics Operating/Storage Temperature ........................-40 C to +85 C Maximum Device Surface Temperature in Tripped State ................................................125 C Passive Aging......................................................+60 C, 1000 hours ....................................10 % typical resistance change Humidity Aging....................................................+60 C, 85 % R.H.1000 hours ....................10 % typical resistance change Thermal Shock ....................................................MIL-STD-202F, Method 107G ....................5 % typical resistance change +85 C to -40 C, 10 times Vibration ..............................................................MIL-STD-883C, ..........................................No change Condition A Test Procedures And Requirements For Model MF-VS 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 Model MF-VS170 MF-VS210 MF-VS240 -40 C 3.2 4.1 4.2 -20 C 2.7 3.5 3.6 0 C 2.2 2.9 3.0 23 C 1.7 2.1 2.4 40 C 1.3 1.6 1.9 50 C 1.1 1.3 1.5 60 C 0.8 1.0 1.2 70 C 0.6 0.7 0.8 85 C 0.1 0.1 0.1
*Itrip is approximately two times Ihold.
*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-VS Series - PTC Resettable Fuses
Product Dimensions
A Min. 16.0 (0.630) 16.0 (0.630) 20.9 (0.823) 24.0 (0.945) 20.9 (0.823) 24.0 (0.945) 24.0 (0.945) Max. 18.0 (0.709) 18.0 (0.709) 23.1 (0.909) 26.5 (1.043) 23.1 (0.909) 26.2 (1.031) 26.2 (1.031) 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) 4.9 (0.193) B Max. 5.5 (0.217) 5.5 (0.217) 5.5 (0.217) 5.5 (0.217) 5.5 (0.217) 5.5 (0.217) 5.5 (0.217) 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) C Max. 0.9 (0.035) 0.9 (0.035) 0.9 (0.035) 0.9 (0.035) 0.9 (0.035) 0.9 (0.035) 0.9 (0.035) Min. 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 5.0 (0.197) 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) D Max. 5.8 (0.228) 5.8 (0.228) 5.8 (0.228) 7.1 (0.280) 5.8 (0.228) 5.8 (0.228) 5.8 (0.228) Min. 3.9 (0.154) 3.9 (0.154) 3.9 (0.154) 3.9 (0.154) 3.9 (0.154) 3.9 (0.154) 3.9 (0.154) F Max. 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 4.1 (0.161) 4.1 (0.161)
DIMENSIONS =
Model MF-VS170 MF-VS170S MF-VS210 MF-VS210L MF-VS210S MF-VS240 MF-VS240S
Pkg. Style Std. Std. Std. Std. S Std. S
MM (INCHES)
Packaging: Bulk - 500 pcs. per bag. Tape and Reel - Consult factory. Leads: 1/4 Hardened Nickel 0.125 mm (.005 ") nom. NOTE: All "S" style models available with 1 or 2 slots. The dimensions and shape of the leads can be modified to suit the battery pack design. All models are available without insulation wrapping.
Standard Style
A
"S" Style
SLIT
0.5 4.0 X NOMINAL (.020) (.157) A
Typical Part Marking
Represents total content. Layout may vary.
MANUFACTURER'S TRADEMARK PART IDENTIFICATION LOT NO. (S = CHINA)
B
F
B
F
VS240 2018S
D D C D D C
DATE CODE (FIRST DIGIT = LAST DIGIT OF YEAR; NEXT THREE DIGITS = DAY OF YEAR)
How To Order
Typical Time to Trip at 23 C
100 MF-VS210 10
MF - VS 240
Multifuse(R) Product Designator Series VS = Axial Leaded "Strap" Component Hold Current, Ihold 170-240 (1.7 Amps - 2.4 Amps) Lead Option S = Slotted Lead Option (one side) SS = Slotted Lead Option (two sides) Longer Lead Option L = Longer Leads Insulating Option U = Non-Insulated Option Packaging Options - 0 = Bulk Packaging - 2 = Tape and Reel* (Consult factory) *Packaged per EIA 486-B
Time to trip (Seconds)
MF-VS240 1 MF-VS170
0.1
0.01
0.001
1
10
100
Fault Current (Amps)
MF-VS SERIES, REV. J, 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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