MINISMDC050F-02

Description：PTC RESET FUSE 24V 500MA 1812
Series：PolySwitch®, miniSMD
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR)

SKU:7bd3a520e3fa Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 24V 500MA 1812
Series：PolySwitch®, miniSMD
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR)
Type：Polymeric
Voltage - Max：24V
Current - Hold (Ih) (Max)：500 mA
Current - Trip (It)：1:00 AM
Current - Max：100 A
Time to Trip：150 ms
Resistance - Initial (Ri) (Min)：150 mOhms
Resistance - Post Trip (R1) (Max)：1 Ohms
Resistance - 25°C (Typ)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Surface Mount
Package / Case：1812 (4532 Metric), Concave
Size / Dimension：0.179" L x 0.128" W (4.55mm x 3.24mm)
Height - Seated (Max)：-
Thickness (Max)：0.024" (0.62mm)
Lead Spacing：-

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MINISMDC050F-02

Overview

The Littelfuse MINISMDC050F-02 is a PolySwitch resettable PTC fuse in the miniSMDC series. It features a 24V maximum voltage and 500mA hold current. The trip current is 1A with a 0.15s trip time. Maximum resistance is 1 Ohm, with power dissipation of 800mW. Operating temperature ranges from -40°C to +85°C. The component uses SMD/SMT mounting in an 1812 (4532 metric) package.

Feature Summary

Provides protection against both overcurrent and overheating conditions
Reusable design reduces returns and maintenance requirements
Offers fast trip times for rapid circuit response

Applications

Portable electronics
Consumer appliances
Peripheral equipment

Procurement Notes

Verify the specific suffix '-02' against official Littelfuse documentation to confirm exact electrical ratings and packaging specifications. Ensure compatibility with surface mount assembly processes and check moisture sensitivity levels prior to handling.

Selection Notes

Select this component for circuits requiring compact overcurrent protection with reusable functionality. Consider the 1812 footprint and thermal characteristics when designing PCB layouts. Verify that the 24V rating and 500mA hold current align with system operational parameters.

Part Context

This part belongs to the Littelfuse PolySwitch miniSMDC family of resettable fuses. These devices utilize polymer positive temperature coefficient technology to provide automatic circuit protection. The series is designed for surface mount applications in space-constrained electronic designs.