MF-RX012/250-2-2

$0.95

Description：PTC RESET FUSE 60V 120MA RADIAL
Series：Multifuse®, MF-RX/250
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT),Retail Package

SKU:8d8fa1861143 Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 60V 120MA RADIAL
Series：Multifuse®, MF-RX/250
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT),Retail Package
Type：Polymeric
Voltage - Max：60V (250V Int)
Current - Hold (Ih) (Max)：120 mA
Current - Trip (It)：-
Current - Max：3:00 AM
Time to Trip：-
Resistance - Initial (Ri) (Min)：8 Ohms
Resistance - Post Trip (R1) (Max)：16 Ohms
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.256" L x 0.181" W (6.50mm x 4.60mm)
Height - Seated (Max)：0.433" (11.00mm)
Thickness (Max)：-
Lead Spacing：0.201" (5.10mm)

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MF-RX012/250-2-2

Overview

The MF-RX012/250-2-2 is a polymeric resettable fuse (PPTC) manufactured by Bourns Inc. under the Multifuse brand. It features a radial leaded disc package designed for through-hole mounting. The device has a holding current of 120 mA and a maximum voltage rating of 60 V, with an internal rating of 250 V. It supports a maximum current of 3 A and utilizes a lead spacing of 0.201 inches (5.10 mm).

Feature Summary

Polymeric construction enables automatic reset functionality after fault clearance.
Radial leaded disc package facilitates standard through-hole PCB integration.
Provides overcurrent protection via positive temperature coefficient characteristics.

Applications

Consumer electronics circuit protection
Industrial control system safeguarding
Automotive electronic module defense

Procurement Notes

Verify component authenticity using official Bourns datasheets and manufacturer certificates. Confirm that the received part matches the specific MF-RX012/250-2-2 designation to ensure correct electrical ratings. Inspect leads for damage and validate package dimensions against specified tolerances before implementation in production lines.

Selection Notes

Select this component when a 120 mA holding current and 60 V maximum voltage are required for overcurrent protection. Ensure the application environment accommodates the thermal characteristics of polymeric resettable fuses. Verify that the through-hole mounting style aligns with the target printed circuit board design constraints.

Part Context

This part belongs to the Bourns Multifuse series of polymeric resettable fuses. These devices serve as reusable alternatives to traditional one-time fuses, offering reliable circuit protection in various electronic assemblies. The series is recognized for its consistent performance in safeguarding sensitive components from excessive current conditions.

Replacement Considerations

Direct substitutes include other MF-RX012/250-2 variants from Bourns, such as MF-RX012/250-2-0, which share identical electrical specifications and physical form factors. Cross-manufacturer replacements must match the 120 mA holding current, 60 V rating, and radial disc package geometry to ensure functional compatibility.