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Product Detailed Parameters
- Description：PTC RESET FUSE 15V 100MA 0603
- Series：POLY-FUSE®, 0603L
- Mfr：Littelfuse Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Polymeric
- Voltage - Max：15V
- Current - Hold (Ih) (Max)：100 mA
- Current - Trip (It)：300 mA
- Current - Max：40 A
- Time to Trip：1 s
- Resistance - Initial (Ri) (Min)：900 mOhms
- 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：0603 (1608 Metric), Concave
- Size / Dimension：0.063" L x 0.032" W (1.60mm x 0.80mm)
- Height - Seated (Max)：-
- Thickness (Max)：0.030" (0.75mm)
- Lead Spacing：-
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Overview
The Littelfuse 0603L010YR is a surface-mount PolySwitch resettable PTC fuse designed for overcurrent protection in compact circuits. It features a hold current of 100 mA and a trip current of 300 mA, with a maximum voltage rating of 15 VDC. The device offers a maximum fault current rating of 40 A and an initial resistance of 6 ohms. Operating within a temperature range of -40°C to +85°C, it utilizes a 0603 (1608 metric) package footprint.
Feature Summary
- Provides reliable overcurrent protection by increasing resistance during thermal events
- Enables automatic circuit recovery after fault conditions are cleared
- Supports standard reflow and wave soldering processes for surface mount assembly
Applications
- Protection of portable electronic devices and peripherals
- Overcurrent safeguarding for data bus lines and communication ports
- Circuit protection in automotive infotainment and sensor modules
Procurement Notes
Verify the specific suffix YR against official Littelfuse documentation to confirm reel packaging configuration and tape dimensions. Ensure compatibility with automated pick-and-place equipment specifications. Cross-reference the RoHS compliance status with the latest environmental declaration provided by the manufacturer for regulatory adherence.
Selection Notes
Select this component when circuit design requires a low-voltage, high-resistance resettable fuse in a minimal footprint. Evaluate the hold current against normal operating loads to prevent nuisance tripping. Confirm that the trip current aligns with surge tolerance requirements while ensuring the maximum voltage rating exceeds the system's peak operational potential.
Part Context
This part belongs to the POLY-FUSE 0603L series, which provides ultra-small form factor protection solutions. The series is engineered for applications demanding significant PCB space savings while maintaining robust circuit protection capabilities. It represents a solid-state alternative to traditional fusible links in modern electronics manufacturing.
Replacement Considerations
Consult official Littelfuse substitution guides for verified equivalents. Do not assume functional interchangeability with other series without verifying electrical parameters and physical dimensions.
