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SMD250F/15-2920-2 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 15V 2.5A 2SMD. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for SMD250F/15-2920-2
- Description：PTC RESET FUSE 15V 2.5A 2SMD
- Series：PolySwitch®, SMD
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：15V
- Current - Hold (Ih) (Max)：2.5 A
- Current - Trip (It)：5:00 AM
- Current - Max：40 A
- Time to Trip：10 s
- Resistance - Initial (Ri) (Min)：35 mOhms
- Resistance - Post Trip (R1) (Max)：85 mOhms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：2-SMD
- Size / Dimension：0.290" L x 0.202" W (7.36mm x 5.12mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.118" (3.00mm)
- Lead Spacing：-
Ptc Resettable Fuses datasheet and documents for SMD250F/15-2920-2
Ptc Resettable Fuses Overview
The SMD250F/15-2920-2 is a PolySwitch resettable fuse manufactured by Littelfuse Inc. It is a polymeric positive temperature coefficient (PTC) device designed for surface mount applications. The component provides circuit protection against overcurrent and short-circuit conditions. Key electrical parameters include a maximum voltage of 15V, a hold current of 2.5A, and a maximum trip current of 40A.
Ptc Resettable Fuses Feature Summary
- Polymeric PTC technology for reliable circuit protection
- Surface mount package design for automated assembly
- Resettable functionality after fault condition removal
Ptc Resettable Fuses Applications
- Overcurrent protection in electronic circuits
- Short-circuit protection for portable devices
- Protection for I/O ports and data lines
Ptc Resettable Fuses Procurement Notes
Verify the specific suffix -2920-2 during procurement to ensure correct packaging and reel specifications. Confirm that the Littelfuse datasheet SCD27978 Rev D is referenced for accurate technical validation. Ensure compatibility with surface mount reflow processes before integration into final assemblies.
Ptc Resettable Fuses Selection Notes
Select this component when a low voltage rating of 15V is required for sensitive circuitry. The 2.5A hold current suits applications with moderate steady-state loads. Consider the surface mount form factor for space-constrained designs requiring automated placement capabilities.
Ptc Resettable Fuses Part Context
This device belongs to the Littelfuse PolySwitch SMD series. It utilizes polymeric materials to achieve rapid response times to overcurrent events. The series is engineered for consumer electronics and industrial control applications where resettable protection is preferred over single-use fuses.
Ptc Resettable Fuses Replacement Considerations
Littelfuse documentation identifies RF2376-000, PSR-28038-2, RF2477-000, and FEMTOSMDC035F-2 as downstream or related parts. Verify electrical compatibility and physical dimensions before substituting these alternatives.
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