Specifications are subject to change without notice.

Electrical Characteristics

Features

■

Fast tripping resettable circuit protection

■

Surface mount packaging for automated

assembly

■

Very low internal resistance

■

Patents pending

■

100 °C trip temperature

■

Agency recognition:

Applications

■

Battery cell protection

Ihold

Itrip

Max. Time

Resistance

To Trip

Model

Amperes

Ohms

Amperes

Seconds

Watts

V max.

I max.

at 23 °C

at 23 °C

at 23 °C

at 23 °C

at 23 °C

Volts

Amps

Hold

Trip

Min.

R1 Max.

Typ.

MF-ESMD190

16

100

1.9

3.8

0.010

0.08

10

2.0

1.5

Tripped

Power

Dissipation

Operating/Storage Temperature ........................-40 °C to +85 °C

Maximum Device Surface Temperature

in Tripped State ................................................125 °C

Passive Aging......................................................+85 °C, 1000 hours ....................................±5 % typical resistance change

Humidity Aging....................................................+85 °C, 85% R.H. 1000 hours ....................±5 % typical resistance change

Thermal Shock ....................................................+85 °C to -40 °C, 20 times ..........................±10 % typical resistance change

Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change

Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change

Condition A

Environmental Characteristics

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

Solderability ....................................MIL-STD-202F, Method 208F..........................................95 % min. coverage

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

Test Procedures And Requirements For Model MF-ESMD Series

Thermal Derating Chart - Ihold (Amps)

Ambient Operating Temperature

Model

-40 ˚C

-20 ˚C

0 ˚C

23 ˚C

40 ˚C

50 ˚C

60 ˚C

70 ˚C

85 ˚C

MF-ESMD190

3.04

2.7

2.2

1.9

1.44

1.23

1.00

0.78

0.49