Features

industry standards

MF-VS Narrow Body Series - PTC Resettable Fuses

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 ≤ 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 .................................................... E174545

http://www.ul.com/ Follow link to Certifications, then UL File No., enter E174545

CSA File Number.................................................. CA110338

http://directories.csa-international.org/ Under “Certification Record” and “File Number”

enter 110338-0-000

TÜV Certificate Number ....................................... R 02057213

http://www.tuvdotcom.com/ Follow link to “other certificates”, enter File No. 2057213

Electrical Characteristics

Thermal Derating Chart - Ihold (Amps)

Model

Ambient Operating Temperature

0 ºC

23 ºC

60 ºC

85 ºC

MF-VS170N

2.2

1.7

0.8

0.1

MF-VS175NL

2.25

1.75

0.85

0.1

MF-VS210N

2.9

2.1

1.0

0.1

Model

V max.

Volts

I max.

Amps

Ihold

Itrip

Initial

Resistance

1 Hour (R1)

Post-Trip

Resistance

Max. Time

to Trip

Tripped

Power

Dissipation

Amperes

at 23 °C

Ohms

at 23 °C

Ohms

at 23 °C

Amperes

at 23 °C

Seconds

at 23 °C

Watts

at 23 °C

Hold

Trip

Min.

Max.

Typ.

Max.

Typ.

MF-VS170N

12

100

1.7

3.4

0.030

0.052

0.040

0.105

8.5

3.0

1.4

MF-VS175NL

12

100

1.75

3.5

0.029

0.051

0.038

0.102

8.75

3.0

1.4

MF-VS210N

12

100

2.1

4.7

0.018

0.030

0.024

0.060

10.0

5.0

1.5

*Itrip is approximately two times Ihold.

VS210N

2018S

*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.

The slotted lead option is currently

available but not, recommended for

new designs.