MF-RHT200/32-2

$0.62

Description：PTC RESET FUSE 32V 2A RADIAL
Series：Multifuse®, MF-RHT
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:6b749a181046 Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 32V 2A RADIAL
Series：Multifuse®, MF-RHT
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：32V
Current - Hold (Ih) (Max)：2:00 AM
Current - Trip (It)：3.8 A
Current - Max：50 A
Time to Trip：3 s
Resistance - Initial (Ri) (Min)：45 mOhms
Resistance - Post Trip (R1) (Max)：110 mOhms
Operating Temperature：-40°C ~ 125°C
Grade：Automotive
Qualification：AEC-Q200
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.118" Dia x 0.551" T (3.00mm x 14.00mm)
Height - Seated (Max)：0.551" (14.00mm)
Thickness (Max)：-
Lead Spacing：0.201" (5.10mm)

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MF-RHT200/32-2

Overview

The Bourns MF-RHT200/32-2 is a radial leaded PPTC resettable fuse designed for high-temperature automotive applications. It features a hold current of 2 A and a trip current of 3.8 A, with a maximum voltage rating of 32 VDC. The device exhibits an initial resistance of 45 mOhms minimum and post-trip resistance of 110 mOhms maximum. It withstands up to 50 A fault current and dissipates 1.4 W power. Operating temperatures range from -40°C to +125°C. Physical dimensions include a 9.4 mm diameter, 3 mm height, and 5.1 mm lead spacing. It is AEC-Q200 qualified and supplied in reel or cut tape packaging.

Feature Summary

AEC-Q200 qualified for automotive reliability standards
High-temperature operation up to 125°C
Radial leaded package for PCB mounting

Applications

Automotive electronic circuit protection
Power supply overcurrent protection
Battery management systems

Procurement Notes

Verify the specific suffix matches the required voltage rating, as the MF-RHT series includes variants with different voltage codes. Confirm that the radial lead pitch aligns with the target PCB footprint. Ensure the selected packaging format meets production requirements. Cross-reference the AEC-Q200 qualification status if strict automotive compliance is mandated. Validate thermal dissipation capabilities against the application's ambient temperature constraints.

Selection Notes

Select this component when a 2 A hold current and 32 VDC rating are required for high-temperature environments. The radial leaded form factor suits through-hole assembly processes. Consider the 110 mOhms maximum post-trip resistance for voltage drop calculations. The AEC-Q200 certification ensures suitability for automotive-grade designs requiring robust thermal and electrical performance under extreme conditions.

Part Context

This part belongs to the MF-RHT series of high-temperature PTC resettable fuses by Bourns. The series is engineered for demanding automotive and industrial applications where standard components may fail due to heat. The radial leaded design provides mechanical stability on printed circuit boards while maintaining electrical isolation.