MF-USHT110KX-2

$0.95

Description：PTC RESET FUSE 16V 1.1A 1210
Series：Multifuse®, MF-USHT
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:bb1e046264cf Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 16V 1.1A 1210
Series：Multifuse®, MF-USHT
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：16V
Current - Hold (Ih) (Max)：1.1 A
Current - Trip (It)：5.5 A
Current - Max：20 A
Time to Trip：5 s
Resistance - Initial (Ri) (Min)：60 mOhms
Resistance - Post Trip (R1) (Max)：500 mOhms
Operating Temperature：-40°C ~ 125°C
Grade：Automotive
Qualification：AEC-Q200
Ratings：-
Mounting Type：Surface Mount
Package / Case：1210 (3225 Metric), Concave
Size / Dimension：0.127" L x 0.101" W (3.22mm x 2.58mm)
Height - Seated (Max)：-
Thickness (Max)：0.063" (1.60mm)
Lead Spacing：-

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MF-USHT110KX-2

Overview

The Bourns MF-USHT110KX-2 is a surface-mount polymer positive temperature coefficient (PPTC) resettable fuse from the MF-USHT series, designed for high-temperature circuit protection. It features a 1210 (3225 metric) package and operates within a temperature range of -20°C to +125°C. Key electrical specifications include a hold current of 1.1 A, trip current of 5.5 A, maximum voltage rating of 9 VDC, and a maximum rated current of 20 A. The device exhibits a typical resistance of 500 mΩ.

Feature Summary

High-temperature polymer PTC construction suitable for demanding thermal environments
Surface-mount design compatible with automated SMD/SMT assembly processes
Resettable overcurrent protection mechanism utilizing self-heating tripping action

Applications

Motor control circuits
Motion controller systems
Ignition controller drivers

Procurement Notes

This component is officially listed as obsolete by the manufacturer. Availability is restricted to existing stock or secondary market channels. Verify end-of-life status and lead times carefully before finalizing procurement plans. Ensure compliance with RoHS requirements as specified in official documentation.

Selection Notes

Select this part for applications requiring compact surface-mount overcurrent protection with high thermal tolerance. The 1.1 A hold current and 9 VDC rating define its operational limits. Consider the 500 mΩ resistance impact on circuit efficiency. Verify that the 1210 footprint fits the PCB layout constraints.

Part Context

Part of the Bourns MF-USHT series expansion, focusing on high-temperature PPTC resettable fuses. This series targets robust circuit protection needs where standard components may fail due to elevated ambient temperatures or thermal cycling stress.

Replacement Considerations

As an obsolete component, direct substitutes are not explicitly confirmed in public data. Consult Bourns official obsolescence notices for recommended replacement part numbers or equivalent series alternatives.