MCR08BT1

Scrs Overview

The MCR08BT1 is a sensitive gate silicon controlled rectifier (SCR) manufactured by onsemi, designed for line-powered consumer applications. It features a peak repetitive off-state voltage of 200 V and an RMS on-state current rating of 0.8 A. The device utilizes a glass-passivated surface for reliability and operates within a junction temperature range of -40°C to +110°C. Packaged in a SOT-223 surface-mount format, it supports automated manufacturing processes. Key electrical characteristics include a maximum gate trigger current of 200 µA and a holding current of 5.0 mA.

Scrs Feature Summary

• Sensitive gate design enabling direct interfacing with low-power logic circuits
• Glass passivation ensures uniformity and long-term reliability
• Surface mount package facilitates automated assembly

Scrs Applications

• Relay drivers
• Lamp drivers
• Small motor controls
• Gate drivers for larger thyristors
• Sensing and detection circuits

Scrs Procurement Notes

Verify the specific suffix against official documentation to confirm packaging details and compliance status. Confirm availability through authorized distributors as supply conditions may vary. Ensure the ordering information matches the required voltage variant and thermal specifications for the target application environment.

Scrs Selection Notes

Select the appropriate voltage rating based on the circuit requirements; the MCR08B variant provides 200 V blocking capability. Consider the thermal resistance characteristics when designing the PCB layout to ensure adequate heat dissipation. Verify that the gate trigger current requirements align with the driving logic levels available in the system design.

Scrs Part Context

This component belongs to the MCR08 series of sensitive gate SCRs from onsemi. The series includes variants with different blocking voltages, such as the MCR08M which offers 600 V capability. These devices are engineered for robust performance in consumer electronics where space constraints and reliable switching are critical.

Scrs Replacement Considerations

Direct replacements should match the SOT-223 package and 200 V blocking voltage. Check datasheets for equivalent gate trigger sensitivity and current ratings. Cross-referencing with other manufacturers' sensitive gate SCR offerings requires careful verification of pinout compatibility and thermal performance metrics.