MF-SM030-2-99

$0.73

Description：PTC RESET FUSE 60V 300MA 2SMD
Series：Multifuse®, MF-SM
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:81809fff70c3 Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 60V 300MA 2SMD
Series：Multifuse®, MF-SM
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：60V
Current - Hold (Ih) (Max)：300 mA
Current - Trip (It)：600 mA
Current - Max：40 A
Time to Trip：3 s
Resistance - Initial (Ri) (Min)：900 mOhms
Resistance - Post Trip (R1) (Max)：4.8 Ohms
Operating Temperature：-40°C ~ 85°C
Grade：Automotive
Qualification：AEC-Q200
Ratings：-
Mounting Type：Surface Mount
Package / Case：2-SMD
Size / Dimension：0.289" L x 0.214" W (7.36mm x 5.44mm)
Height - Seated (Max)：-
Thickness (Max)：0.125" (3.18mm)
Lead Spacing：-

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MF-SM030-2-99

Overview

The MF-SM030-2-99 is a polymeric resettable fuse from the Bourns Multifuse MF-SM series. It features a hold current of 0.3A and a trip current of 0.6A, rated for a maximum voltage of 60V. The device provides overcurrent protection with an interrupt rating of 40A and a maximum power dissipation of 1.7W. Its initial resistance is 0.9 Ohms, with a typical response time of 3 seconds. Packaged in a surface-mount 2-SMD solder pad configuration measuring 7.98 x 5.44 x 3.18mm, this component is currently listed as obsolete.

Feature Summary

Polymeric PTC technology enables automatic circuit recovery after fault clearance without manual replacement
Surface-mount design facilitates automated assembly and compact PCB integration
High interrupting capacity ensures robust protection against excessive fault currents

Applications

Overcurrent protection for portable electronic devices
Circuit safeguarding in consumer electronics
Protection for communication equipment interfaces
Industrial control system circuit protection

Procurement Notes

Verify component authenticity through authorized channels due to obsolete status. Confirm package dimensions and pin compatibility during integration. Request test reports for quality assurance. Ensure storage conditions maintain material integrity prior to installation.

Selection Notes

Evaluate hold and trip current requirements against operational load profiles. Assess maximum voltage ratings relative to circuit potential. Consider thermal management capabilities given power dissipation limits. Verify surface-mount footprint compatibility with existing PCB layouts.

Part Context

This component belongs to the Multifuse MF-SM series, designed for surface-mount applications. The series offers resettable protection solutions for various electronic circuits. Bourns manufactures these devices using polymeric materials for reliable performance.