MF-USMF150-2

$0.68

Description：PTC RESET FUSE 6V 1.5A 1210
Series：Multifuse®, MF-USMF
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:978219e21030 Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 6V 1.5A 1210
Series：Multifuse®, MF-USMF
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：6V
Current - Hold (Ih) (Max)：1.5 A
Current - Trip (It)：3:00 AM
Current - Max：40 A
Time to Trip：5 s
Resistance - Initial (Ri) (Min)：30 mOhms
Resistance - Post Trip (R1) (Max)：110 mOhms
Operating Temperature：-40°C ~ 85°C
Grade：Automotive
Qualification：AEC-Q200
Ratings：-
Mounting Type：Surface Mount
Package / Case：1210 (3225 Metric), Concave
Size / Dimension：0.127" L x 0.102" W (3.22mm x 2.58mm)
Height - Seated (Max)：-
Thickness (Max)：0.033" (0.85mm)
Lead Spacing：-

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MF-USMF150-2

Overview

The MF-USMF150-2 is a surface-mount polymeric resettable fuse manufactured by Bourns Inc. It belongs to the USMF series, designed for overcurrent protection in automotive and industrial applications. The component features a hold current of 1.5 A and a trip current of 3 A. It supports a maximum voltage of 6 VDC and a maximum fault current of 40 A. The device operates within a temperature range of -40°C to +85°C and has a typical resistance of 0.03 Ohms. It is housed in a 1210 (3225 Metric) concave package.

Feature Summary

Polymeric PTC technology provides automatic reset capability after fault clearance.
Automotive-grade qualification ensures reliability under harsh environmental conditions.
Concave surface mount package facilitates automated assembly processes.

Applications

Automotive electronic circuit protection
Portable device power line safeguarding
Industrial control system overcurrent defense

Procurement Notes

Verify that the specific suffix matches the required automotive grade specifications. Confirm package orientation requirements due to the concave design. Ensure compatibility with standard reflow soldering profiles for SMD components. Check for RoHS compliance documentation if required by local regulations.

Selection Notes

Select this component when low holding current and high fault current capacity are needed in compact spaces. Consider the 6V rating limit for low-voltage DC circuits. Evaluate thermal management needs as the device dissipates heat during tripping. Compare against standard SMD fuses where resettable functionality is mandatory.

Part Context

This part is part of Bourns' USMF series of ultra-small surface mount resettable fuses. The series targets space-constrained applications requiring robust protection. It complements other Bourns protection devices like the MF-MSMF series for different voltage or current requirements.