MF-SM008/250F-2

$0.61

Description：PTC RESET FUSE 80V 80MA 2SMD
Series：Multifuse®, MF-SM/250
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:95230010a9dc Category: PTC Resettable Fuses Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：PTC RESET FUSE 80V 80MA 2SMD
Series：Multifuse®, MF-SM/250
Mfr：Bourns Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：80V
Current - Hold (Ih) (Max)：80 mA
Current - Trip (It)：-
Current - Max：3:00 AM
Time to Trip：-
Resistance - Initial (Ri) (Min)：5 Ohms
Resistance - Post Trip (R1) (Max)：20 Ohms
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Surface Mount
Package / Case：2-SMD
Size / Dimension：0.311" L x 0.209" W (7.90mm x 5.30mm)
Height - Seated (Max)：0.146" (3.70mm)
Thickness (Max)：0.402" (10.20mm)
Lead Spacing：-

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MF-SM008/250F-2

Overview

The Bourns MF-SM008/250F-2 is a polymer PTC self-resetting fuse designed for surface-mount applications. It features an 80V maximum voltage rating and an 80mA hold current (Ih). The device operates within a temperature range of -40°C to +85°C. Key electrical parameters include a maximum trip resistance (R1) of 20 Ohms and a minimum initial resistance (Ri) of 5 Ohms. It supports a maximum fault current of 3A. The component utilizes a 2-SMD package with dimensions of 7.90mm length, 5.30mm width, and a maximum height of 3.70mm.

Feature Summary

Polymer PTC technology provides automatic circuit protection that resets upon cooling after fault removal.
Surface-mount construction enables efficient integration into compact PCB layouts.
Certified by cURus and TUV agencies for compliance in various markets.

Applications

Portable electronic devices requiring overcurrent protection
Communication equipment circuits
Peripheral interface connections

Procurement Notes

Verify the specific ordering suffix to ensure correct packaging configuration, such as tape and reel or cut tape, matches production requirements. Confirm RoHS3 compliance status and moisture sensitivity level classification prior to procurement to align with assembly line handling standards and environmental regulations.

Selection Notes

Select this component based on the 80mA hold current and 80V rating to match circuit operational limits. Ensure the 2-SMD footprint fits the available board space. Consider the thermal environment to guarantee performance within the specified -40°C to +85°C operating range without premature tripping or failure.

Part Context

This part belongs to the Multifuse MF-SM/250 series from Bourns Inc. The series offers various hold current options within a standardized surface-mount form factor. It serves as a reusable alternative to traditional fuses in low-current DC applications where space constraints and reset functionality are critical design factors.

Replacement Considerations

Consult official cross-reference data for verified substitutes. Generic replacements may differ in physical dimensions or electrical characteristics. Verify compatibility with existing footprints and certification requirements before substitution.