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Product Detailed Parameters
- Description：PTC 60V POLYFUSE SURF MOUNT 0603
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR)
- Type：-
- Voltage - Max：-
- Current - Hold (Ih) (Max)：-
- Current - Trip (It)：-
- Current - Max：-
- Time to Trip：-
- Resistance - Initial (Ri) (Min)：-
- Resistance - Post Trip (R1) (Max)：-
- Resistance - 25°C (Typ)：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Ratings：-
- Mounting Type：-
- Package / Case：-
- Size / Dimension：-
- Height - Seated (Max)：-
- Thickness (Max)：-
- Lead Spacing：-
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Overview
The Littelfuse 0603L001/60YR-A is a surface mount PolySwitch resettable PTC fuse designed for overcurrent protection in space-constrained environments. It features a hold current of 0.01 A and a trip current of 0.02 A, with a maximum voltage rating of 60 VDC. The device operates within a temperature range of -40°C to +85°C and supports a maximum fault current of 40 A. It dissipates 0.5 W of power and utilizes a standard 0603 (1608 metric) package footprint.
Feature Summary
- Provides resettable overcurrent protection using polymeric positive temperature coefficient technology
- Designed for surface mount applications where board space is limited
- Operates reliably across a wide industrial temperature range
Applications
- USB peripheral circuit protection
- Disk drive overcurrent safeguarding
- CD-ROM drive protection circuits
- Game console port protection
Procurement Notes
Verify the specific suffix 'A' against the manufacturer's official datasheet to confirm if it denotes a specific tape-and-reel packaging configuration or RoHS compliance status distinct from the base part number. Ensure the ordering quantity matches the required reel size specifications provided in the official documentation.
Selection Notes
Select this component when designing circuits requiring resettable protection for low-current signals up to 10 mA. The 60V rating suits low-voltage digital interfaces. Consider the 0.02A trip current threshold to ensure nuisance tripping does not occur during normal transient load spikes while still providing adequate fault protection.
Part Context
This part belongs to the Littelfuse 0603L Series of PolySwitch devices. The series is engineered specifically for surface mount assembly processes, offering a compact alternative to traditional axial lead fuses. It provides automatic recovery after fault conditions clear, reducing maintenance requirements compared to one-time fuse solutions.
Replacement Considerations
Direct substitutes include other 0603L series variants with matching 60V and 0.01A ratings, such as the 0603L001/60YR. Verify that any replacement maintains the same 0603 footprint and thermal characteristics to ensure compatibility with existing PCB layouts.
