ASMDC075F-2

$0.91

Description：PTC RESET FUSE 33V 750MA 2SMD
Series：PolySwitch®, ASMD
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:27caca256f0a Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

ASMDC075F-2 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 33V 750MA 2SMD. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for ASMDC075F-2

Description：PTC RESET FUSE 33V 750MA 2SMD
Series：PolySwitch®, ASMD
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：33V
Current - Hold (Ih) (Max)：750 mA
Current - Trip (It)：1.5 A
Current - Max：40 A
Time to Trip：1 s
Resistance - Initial (Ri) (Min)：100 mOhms
Resistance - Post Trip (R1) (Max)：610 mOhms
Resistance - 25°C (Typ)：-
Operating Temperature：-
Grade：Automotive
Qualification：AEC-Q200
Ratings：-
Mounting Type：Surface Mount
Package / Case：2-SMD
Size / Dimension：0.295" L x 0.201" W (7.50mm x 5.10mm)
Height - Seated (Max)：-
Thickness (Max)：0.035" (0.90mm)
Lead Spacing：-

Ptc Resettable Fuses datasheet and documents for ASMDC075F-2

ASMDC075F-2

Ptc Resettable Fuses Overview

The ASMDC075F-2 is a surface-mount polymer PTC resettable fuse from the Littelfuse PolySwitch series. It features a maximum holding current of 750 mA and a trip current of 1.5 A, with a maximum voltage rating of 33 VDC. The device has a maximum interrupting current of 40 A and an initial resistance of 100 mOhms. Packaged in a 2920 (7351 metric) recessed footprint measuring 7.50 mm x 5.10 mm, it operates within a temperature range of -40°C to +85°C.

Ptc Resettable Fuses Feature Summary

Provides automatic circuit protection by increasing resistance during overcurrent conditions
Returns to low-resistance state automatically after fault removal and cooling
Designed for surface mount assembly on printed circuit boards

Ptc Resettable Fuses Applications

Overcurrent protection for portable electronic devices
Circuit safeguarding in automotive electronics
Protection for communication equipment interfaces

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix 'F' indicates RoHS compliance status as per manufacturer documentation. Confirm the package variant matches the required 2920 recessed footprint dimensions. Ensure the selected component meets the intended thermal operating range requirements for the final application environment.

Ptc Resettable Fuses Selection Notes

Select this component when a 33 VDC system requires a 750 mA hold current with a 1.5 A trip threshold. The 2920 package size offers a balance between current capacity and board space. Consider the 100 mOhm initial resistance impact on circuit power loss during normal operation.

Ptc Resettable Fuses Part Context

This part belongs to the ASMDC series of high-temperature PolySwitch devices designed for harsh environments. It serves as a resettable alternative to traditional fuses, offering repeated protection cycles without replacement. The series supports automotive and industrial applications requiring robust overcurrent defense.