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IA
NT
Features

Applications

V 201S210 8S N

3.6 mm narrow design axial strap 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
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M
PL
MF-VS Narrow Body 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-VS170N MF-VS175NL MF-VS210N
12 12 12
100 100 100
1.7 1.75 2.1
3.4 3.5 4.7
0.030 0.029 0.018
0.052 0.051 0.030
0.040 0.038 0.024
0.105 0.102 0.060
8.5 8.75 10.0
3.0 3.0 5.0
1.4 1.4 1.5
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 Narrow Body 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 Rmax 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-VS170N MF-VS175NL MF-VS210N 0 C 2.2 2.25 2.9 23 C 1.7 1.75 2.1 60 C 0.8 0.85 1.0 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 Narrow Body Series - PTC Resettable Fuses
Product Dimensions
A Min. 22.0 (0.866) 26.0 (1.024) 30.0 (1.181) Max. 24.0 (0.945) 28.0 (1.102) 32.0 (1.260) Min. 3.6 (0.142) 3.6 (0.142) 3.6 (0.142) B Max. 3.9 (0.154) 3.9 (0.154) 3.9 (0.154) Min. 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) Min. 4.1 (0.161) 6.1 (0.240) 4.1 (0.161) D Max. 5.8 (0.228) 7.8 (0.307) 5.8 (0.228) Min. 2.4 (0.094) 2.4 (0.094) 2.4 (0.094) F Max. 2.6 (0.102) 2.6 (0.102) 2.6 (0.102)
DIMENSIONS =
Model MF-VS170N MF-VS175NL MF-VS210N
Pkg. Style Std. Std. Std.
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
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. (S = CHINA)
B
F
B
F
VS210N 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 - VS 210 N
Multifuse Product Designator
(R)
Hold Current, Ihold 170-210 (1.70 - 2.10 Amps) Narrow Device Option N = Narrow (3.6 mm) 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 Option -0 = Bulk Packaging -2 = Tape and Reel* (Consult factory) *Packaged per EIA 486-B
Time to trip (Seconds)
Series VS = Axial Leaded "Strap" Component
10
1
MF-VS170N
MF-VS210N
0.1 MF-VS175NL 0.01
0.001
1
10
100
Fault Current (Amps)
MF-VSN SERIES, REV. D, 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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