C103A TIN/LEAD

Scrs Overview

The C103A is a silicon controlled rectifier (SCR) manufactured by Central Semiconductor Corp. It features a rated repetitive off-state voltage of 100 V and an on-state RMS current of 800 mA. The device exhibits an off-state leakage current of 50 uA at VDRM. Electrical characteristics include a forward voltage of 1.5 V, a gate trigger voltage of 800 mV, and a gate trigger current of 200 uA. It operates within a temperature range of -65°C to +125°C. The component utilizes a TO-92-3 through-hole package.

Scrs Feature Summary

• Epoxy molded silicon controlled rectifier designed for control systems
• Suitable for sensing circuit applications
• Through-hole mounting configuration

Scrs Applications

• Control systems
• Sensing circuits

Scrs Procurement Notes

Verify the specific ordering suffix to confirm plating composition, as tin/lead variants differ from lead-free options. Confirm availability status directly with the manufacturer or authorized distributors, as production cycles may vary. Ensure the selected package matches the required PCB footprint and thermal management specifications for the target application environment.

Scrs Selection Notes

Select this component when a low-voltage SCR with moderate current handling is required for through-hole assembly. Compare the 100 V blocking capability against circuit peak voltages to ensure adequate safety margins. Evaluate the thermal performance requirements against the TO-92-3 package limitations. Consider the gate trigger parameters for compatibility with the driving logic levels in the control interface design.

Scrs Part Context

This part belongs to the C103 Series of epoxy molded silicon controlled rectifiers from Central Semiconductor. The series includes variants such as C103B and C103Y, which offer different voltage ratings. These components are standardized for industrial and commercial electronics requiring reliable phase control or switching functions in compact through-hole form factors.

Scrs Replacement Considerations

Direct substitutes must match the 100 V VDRM, 800 mA IT(RMS), and TO-92-3 package dimensions. Verify equivalent gate trigger characteristics to ensure proper firing behavior. Cross-reference pinouts to maintain electrical connectivity without modification.