MF-FSHT Series – PTC Resettable Fuses

Features

■

Surface mount packaging for automated assembly

■

0603 footprint size and low profile for space-constrained mobile applications

■

Operating temperature range up to 125 °C

■

Low thermal derating factor

■

Higher hold currents at elevated temperatures

■

RoHS compliant*

■

Agency recognition: cUL and TÜV

Electrical Characteristics

Model

Vmax

Imax

Ihold

Itrip

Resistance

Max. Time To Trip

Tripped

Power

Dissipation

Certifications

at 23 °C

at 23 °C

Ohms

at 23 °C

at 23 °C

Watts

cUL

TÜV

Volts

Amps

Amps

RMin.

R1Max.**

Amps

Seconds

Typical

E174545

R 50384138

MF-FSHT005KX

12

40

0.05

0.25

1.5

30

0.5

1.5

0.5

✓✓

MF-FSHT010KX

12

40

0.10

0.50

0.9

8.5

2.5

1.5

0.5

✓✓

MF-FSHT016KX

12

40

0.16

0.80

0.6

6.0

8.0

0.1

0.5

✓✓

**R1Max. measured 24 hours post reflow

Test Procedures and Requirements

Item

Test Condition

Accept/Reject Criteria

Visual/Mechanical

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, still air

T ≤ max. time to trip (seconds)

Hold Current

30 min. at Ihold, still air

No trip

Trip Cycle Life

Vmax, Imax, 100 cycles

No arcing or burning

Trip Endurance

Vmax, 48 hours

No arcing or burning

Solderability

245 °C ±5 °C, 5 seconds

95 % min. coverage

WARNING Cancer and Reproductive Harm

www.P65Warnings.ca.gov

*RoHS Directive 2015/863, Mar 31, 2015 and Annex.

Specifications are subject to change without notice.

Users should verify actual device performance in their specific applications.

Additional Information

Click these links for more information:

PRODUCT

SELECTOR

TECHNICAL

LIBRARY

INVENTORY SAMPLES

CONTACT

Environmental Characteristics

Item

Condition

Criteria

Operating Temperature

-40 °C to +125 °C

Recommended Storage

+40 °C max. / 70 % R.H. max.

Passive Aging

+125 °C, 1000 hours

Humidity Aging

+85 °C, 85 % R.H. 1000 hours

Thermal Shock

-40 °C to +125 °C, 20 times

Solvent Resistance

MIL-STD-202, Method 215

No change

(Marking still legible)

Vibration

MIL-STD-883C, Method 2007.1

Condition A

No change

Moisture Sensitivity Level

(MSL)

See Note

ESD Classification

Class 6 (per AEC-Q200-2, HBM)