MF-RM005/240-0

$0.61

Description：PTC RESET FUSE 240V 50MA RADIAL
Series：Multifuse®, MF-RM
Mfr：Bourns Inc.
Package：Bulk

SKU:99dc80e52142 Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 240V 50MA RADIAL
Series：Multifuse®, MF-RM
Mfr：Bourns Inc.
Package：Bulk
Type：Polymeric
Voltage - Max：240V (265V Int)
Current - Hold (Ih) (Max)：50 mA
Current - Trip (It)：120 mA
Current - Max：1:00 AM
Time to Trip：10 s
Resistance - Initial (Ri) (Min)：18.5 Ohms
Resistance - Post Trip (R1) (Max)：65 Ohms
Operating Temperature：-20°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.327" Dia x 0.150" T (8.30mm x 3.80mm)
Height - Seated (Max)：0.508" (12.90mm)
Thickness (Max)：-
Lead Spacing：0.114" (2.90mm)

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MF-RM005/240-0

Overview

The Bourns MF-RM005/240-0 is a radial leaded polymeric positive temperature coefficient (PPTC) resettable fuse from the MF-RM series. It features a rated voltage of 240V AC and a hold current of 0.05A with a trip current of 120mA. The device has a maximum resistance of 65Ω and operates within a temperature range of -20°C to +85°C. Physical dimensions include a length of 8.3mm and height of 12.9mm, with a lead diameter of 0.51mm.

Feature Summary

Provides automatic circuit protection through reversible tripping action upon overcurrent or overheating events.
Designed for through-hole PCB mounting with radial leads for secure mechanical attachment.

Applications

Overcurrent protection in consumer electronic devices
Protection circuits in telecommunications equipment
Industrial instrumentation power supply lines

Procurement Notes

Verify the specific suffix code against official Bourns documentation to confirm exact electrical ratings and physical dimensions. Ensure the selected variant matches the required hold and trip currents for the target application circuit. Confirm compliance requirements such as UL and RoHS status directly from the manufacturer datasheet before integration.

Selection Notes

Select this component based on the 240V AC rating and 0.05A hold current specifications. Evaluate the thermal environment to ensure operation remains within the -20°C to +85°C range. Consider the physical footprint constraints regarding the 8.3mm length and 12.9mm height for PCB layout compatibility.

Part Context

This part belongs to the Bourns MF-RM series of resettable fuses, which are designed for general-purpose circuit protection. The series offers various current ratings and voltage options to suit different electronic applications requiring reliable overcurrent defense without permanent replacement after a fault event.