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Product Detailed Parameters
- Description：PTC RESET FUSE 24V 100MA 0805
- Series：POLY-FUSE®, 0805L
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：24V
- Current - Hold (Ih) (Max)：100 mA
- Current - Trip (It)：300 mA
- Current - Max：100 A
- Time to Trip：1.5 s
- Resistance - Initial (Ri) (Min)：1.5 Ohms
- Resistance - Post Trip (R1) (Max)：6 Ohms
- Resistance - 25°C (Typ)：-
- Operating Temperature：-40°C ~ 85°C
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：0805 (2012 Metric), Concave
- Size / Dimension：0.083" L x 0.053" W (2.10mm x 1.35mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.039" (1.00mm)
- Lead Spacing：-
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Overview
The Littelfuse 0805L010/24YR is a surface-mount PolySwitch resettable PTC device in the 0805L series. It features a 15V DC voltage rating and a 0.1A hold current. The trip current is specified at 0.3A with a maximum trip time of 1.5 seconds. Electrical resistance ranges from a minimum of 1Ω to a maximum of 6Ω after tripping. The component supports a maximum power dissipation of 0.5W and has a fault current rating of 100A. Physical dimensions are 2.2mm in length, 1.5mm in width, and 1mm in height.
Feature Summary
- Provides reliable overcurrent protection for circuits by increasing resistance during thermal events
- Enables automatic circuit restoration without manual replacement after fault conditions clear
- Designed for direct soldering onto printed circuit boards using standard surface-mount processes
Applications
- Protection of portable electronic devices and peripheral interfaces
- Overcurrent safeguarding for telecommunications equipment and data lines
- Circuit protection within consumer electronics and battery-powered systems
Procurement Notes
Verify that the specific suffix matches the required voltage and current ratings against official Littelfuse documentation. Confirm package type and reel specifications align with manufacturing requirements. Ensure compliance with RoHS standards and check for any automotive or industrial certifications if applicable to the end product design.
Selection Notes
Select this component based on the 15V DC rating and 0.1A hold current requirements. Evaluate the 0.3A trip threshold and 1.5s response time against circuit fault profiles. Consider the 1Ω to 6Ω resistance range for impact on normal operation. Verify thermal management capabilities given the 0.5W power dissipation limit and operating temperature constraints.
Part Context
This part belongs to the Littelfuse 0805L series of PolySwitch resettable fuses. These devices utilize polymer positive temperature coefficient technology for solid-state circuit protection. The series offers various hold currents and voltage ratings tailored for surface-mount applications in compact electronic designs requiring reusable overcurrent safeguards.
Replacement Considerations
Compatible substitutes include the 0805L010 and 0805L010WR from the same manufacturer family. Verify identical electrical parameters and physical footprint before substitution.
