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2920L250DR 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 2920. Review the specifications below when checking this part for your BOM.
Ptc Resettable Fuses specifications for 2920L250DR
- Description：PTC RESET FUSE 15V 2.5A 2920
- Series：POLY-FUSE®, 2920L
- 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：2920 (7351 Metric), Concave
- Size / Dimension：0.289" L x 0.202" W (7.35mm x 5.12mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.049" (1.25mm)
- Lead Spacing：-
Ptc Resettable Fuses datasheet and documents for 2920L250DR
Ptc Resettable Fuses Overview
The Littelfuse 2920L250DR is a surface-mount polymer PTC resettable fuse from the POLY-FUSE 2920L series. It features a hold current of 2.5 A and a trip current of 5 A, rated for a maximum voltage of 15 VDC. The device has a maximum resistance of 85 mOhms and supports a maximum fault current of 40 A. Operating within a temperature range of -40°C to +85°C, it utilizes an SMD/SMT package in the 2920 (7351 metric) footprint with dimensions of 7.35mm x 5.12mm x 1.25mm. It includes moisture sensitivity level 2A certification.
Ptc Resettable Fuses Feature Summary
- Provides automatic circuit protection through self-resetting polymeric positive temperature coefficient technology
- Designed for direct surface mount integration onto printed circuit boards
- Offers repeated overcurrent protection without requiring manual replacement after tripping
Ptc Resettable Fuses Applications
- Consumer electronics circuit protection
- Portable device power line safeguarding
- IoT control unit input protection
Ptc Resettable Fuses Procurement Notes
Verify component authenticity by cross-referencing the manufacturer part number 2920L250DR with official Littelfuse documentation. Confirm RoHS compliance status and check for specific agency approvals such as cURus or TUV if required by your design specifications. Ensure the supplier provides valid traceability records matching the original manufacturing data.
Ptc Resettable Fuses Selection Notes
Select this component when designing circuits requiring a 2.5 A hold current limit within a 15 VDC system. The 2920L series offers a compact form factor suitable for space-constrained layouts. Consider the 85 mOhms maximum resistance for low-impedance applications. Verify that the operating environment stays within the specified -40°C to +85°C thermal range for reliable performance.
Ptc Resettable Fuses Part Context
This device belongs to the POLY-FUSE 2920L series, which represents Littelfuse's portfolio of surface-mount resettable fuses. These components are engineered for high-volume manufacturing processes and provide robust overcurrent protection for modern electronic assemblies. The series is widely utilized in industries demanding reliable, reusable circuit protection solutions.
Ptc Resettable Fuses Replacement Considerations
The ERFSL250162RZ from Excel Cell Electronic Co., Ltd. is listed as a substitute option. Evaluate electrical compatibility and physical footprint alignment before implementation.
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