2920L050DR

$0.67

Description：PTC RESET FUSE 60V 500MA 2920
Series：POLY-FUSE®, 2920L
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:a356de46a18e Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

2920L050DR is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 60V 500MA 2920. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for 2920L050DR

Description：PTC RESET FUSE 60V 500MA 2920
Series：POLY-FUSE®, 2920L
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：60V
Current - Hold (Ih) (Max)：500 mA
Current - Trip (It)：1:00 AM
Current - Max：10:00 AM
Time to Trip：4 s
Resistance - Initial (Ri) (Min)：350 mOhms
Resistance - Post Trip (R1) (Max)：1.4 Ohms
Resistance - 25°C (Typ)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Surface Mount
Package / Case：2920 (7351 Metric), Concave
Size / Dimension：0.289" L x 0.202" W (7.35mm x 5.12mm)
Height - Seated (Max)：-
Thickness (Max)：0.049" (1.25mm)
Lead Spacing：-

Ptc Resettable Fuses datasheet and documents for 2920L050DR

2920L050DR

Ptc Resettable Fuses Overview

The Littelfuse 2920L050DR is a POLY-FUSE resettable PTC device designed for surface mount applications. It features a hold current of 500 mA and a maximum voltage rating of 60 VDC. The component trips at 1 A and supports a maximum fault current of 10 A. Initial resistance is typically 350 mOhms, rising to a maximum of 1.4 Ohms post-trip. Packaged in a 2920 (7351 metric) case with dimensions of 7.35 mm x 5.12 mm x 1.25 mm, it operates between -40°C and +85°C. Moisture sensitivity level is MSL 2A.

Ptc Resettable Fuses Feature Summary

Provides automatic resettable overcurrent protection via polymer positive temperature coefficient technology.
Features ultra-low profile surface mount construction suitable for space-constrained PCB layouts.
Offers fast response to fault currents while maintaining low internal resistance during normal operation.

Ptc Resettable Fuses Applications

IoT control units and sensing modules
Building and home automation circuits
Portable electronic device power lines

Ptc Resettable Fuses Procurement Notes

Verify the specific ordering suffix to ensure correct packaging configuration, as variants exist for tape and reel or cut tape formats. Confirm RoHS compliance status and moisture sensitivity handling requirements prior to assembly. Cross-reference manufacturer part numbers with distributor codes to avoid substitution errors during procurement.

Ptc Resettable Fuses Selection Notes

Select this component when circuit protection is required for low-voltage DC lines up to 60 V. Ensure the operating current remains below the 500 mA hold threshold to prevent nuisance tripping. Verify that the available board space accommodates the 2920 package dimensions and that thermal dissipation requirements align with the device's power rating.

Ptc Resettable Fuses Part Context

This device belongs to the POLY-FUSE 2920L series, which provides resettable protection in a compact surface mount form factor. The series is recognized by UL and TUV agencies, ensuring compliance with international safety standards for consumer and industrial electronics.