0ZSA0420FF1E

$0.77

Description：PTC RESET FUSE 30V 4.2A STRAP
Series：0ZSA
Mfr：Bel Fuse Inc.
Package：Bulk

SKU:af1ae690333c Category: PTC Resettable Fuses Brand: Bel Fuse Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

0ZSA0420FF1E is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Bel Fuse Inc.. Its product description is PTC RESET FUSE 30V 4.2A STRAP. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for 0ZSA0420FF1E

Description：PTC RESET FUSE 30V 4.2A STRAP
Series：0ZSA
Mfr：Bel Fuse Inc.
Package：Bulk
Type：Polymeric
Voltage - Max：30V
Current - Hold (Ih) (Max)：4.2 A
Current - Trip (It)：7.6 A
Current - Max：100 A
Time to Trip：6 s
Resistance - Initial (Ri) (Min)：12 mOhms
Resistance - Post Trip (R1) (Max)：40 mOhms
Resistance - 25°C (Typ)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：User Defined
Package / Case：Strap
Size / Dimension：1.240" L x 0.522" W (31.50mm x 13.25mm)
Height - Seated (Max)：-
Thickness (Max)：0.043" (1.10mm)
Lead Spacing：-

Ptc Resettable Fuses datasheet and documents for 0ZSA0420FF1E

0ZSA0420FF1E

Ptc Resettable Fuses Overview

The Bel Fuse 0ZSA0420FF1E is a polymeric resettable fuse (PPTC) designed for battery strap applications. It features an axial lead configuration with a maximum holding current of 4.2 A and a trip current of 7.6 A. The device supports a maximum voltage of 30 VDC and has a maximum fault current rating of 100 A. Its initial resistance is specified at 1.5 mOhms, with a maximum thickness of 1.10 mm. The component operates within a temperature range of -40°C to +85°C and carries cURus and TUV approvals.

Ptc Resettable Fuses Feature Summary

Polymeric positive temperature coefficient construction for overcurrent protection
Axial lead design optimized for direct battery strap mounting
High fault current capability up to 100 A for robust circuit safety

Ptc Resettable Fuses Applications

Battery pack overcurrent protection
Automotive electrical system safeguarding
Power supply input protection circuits

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix FF1E against official Bel Fuse documentation to confirm exact packaging and lead finish specifications. Ensure that the 30V DC rating aligns with the target circuit's operating voltage. Confirm compliance requirements such as cURus and TUV certifications match the end-product regulatory needs before finalizing procurement orders.

Ptc Resettable Fuses Selection Notes

Select this component when low on-state resistance is critical for minimizing power loss in high-current battery paths. The axial strap form factor facilitates direct connection to busbars or terminals. Consider the 4.2A holding current relative to normal operational loads to prevent nuisance tripping during transient spikes while ensuring reliable protection against sustained overcurrent conditions.

Ptc Resettable Fuses Part Context

This part belongs to the 0ZSA series of PTC resettable fuses from Bel Fuse. The series is characterized by its specialized geometry for strap mounting, distinguishing it from standard radial or surface-mount packages. It serves as a reusable alternative to traditional one-time fusible links in automotive and industrial power distribution networks.