1210L010/90YR

Ptc Resettable Fuses Overview

The Littelfuse 1210L010/90YR is a PolySwitch resettable PTC device in the 1210L series, designed for surface-mount circuit protection. It features a maximum voltage rating of 30V and a hold current (Ih) of 0.1A. The component operates within a temperature range of -40°C to +85°C. Its initial resistance (Rmin) is typically 1.6 ohms, with a maximum trip resistance (Rmax) of 15 ohms. The package is a 1210 (3225 Metric) SMD form factor.

Ptc Resettable Fuses Feature Summary

• Provides automatic overcurrent protection by increasing resistance during fault conditions
• Offers reliable reset functionality after cooling without replacement
• Designed for surface-mount integration on printed circuit boards

Ptc Resettable Fuses Applications

• Portable electronic devices
• Consumer electronics circuits
• Telecommunications equipment

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix '90YR' against official Littelfuse documentation to confirm it denotes a standard tape-and-reel packaging variant or a specific manufacturing code rather than a functional deviation. Ensure compatibility with automated pick-and-place equipment specifications for the 1210 footprint.

Ptc Resettable Fuses Selection Notes

Select this component when a compact, low-voltage solution is required for protecting sensitive downstream circuitry from accidental overloads. The 0.1A hold current suits low-power signal lines or battery-backed memory circuits where minimal steady-state power consumption is critical.

Ptc Resettable Fuses Part Context

This part belongs to the Littelfuse 1210L family of polymer positive temperature coefficient devices. These components are engineered to replace traditional fuses in applications requiring repeated overload protection. The series is widely utilized in industries prioritizing space-constrained designs and maintenance-free operation.

Ptc Resettable Fuses Replacement Considerations

Consult official Littelfuse substitution guides for verified equivalents. Generic replacements may differ in trip time characteristics or physical dimensions, potentially affecting board clearance and protection timing.