This document describes PNPN devices designed for line powered consumer applications such as relay and lamp drivers, small motor controls, gate drivers for larger thyristors, and sensing and detection circuits. The features include sensitive gate trigger current, blocking voltage up to 600 Volts, glass passivated surface for reliability and uniformity, surface mount package for use in automated manufacturing, etc.
This document provides technical specifications for the MCRO8B and MCRO8M series of sensitive gate silicon controlled rectifiers (SCRs). These PNPN devices are designed for line powered consumer applications such as relay and lamp drivers, small motor controls, and gate drivers for larger thyristors. They are supplied in a surface mount SOT-223 package for use in automated manufacturing.
The datasheet details maximum ratings, electrical characteristics, and thermal characteristics. It includes specific data for peak repetitive off-state voltage ranging from 200 to 600 volts, an on-state current of 0.8 amperes RMS, and various thermal resistance values. The document also provides application information regarding PCB layout, soldering guidelines, and power dissipation calculations for the SOT-223 package.
| Peak Repetitive Off-State Voltage | 200 to 600 Volts |
|---|---|
| On-State Current RMS | 0.8 Amps |
| Peak Non-repetitive Surge Current | 8.0 Amps |
| Forward Peak Gate Power | 0.1 Watts |
| Thermal Resistance Junction to Ambient | 156 °C/W |
| Gate Trigger Current (Continuous dc) | 200 uA |
| Holding Current | 5.0 mA |
They are designed for line powered consumer applications such as relay and lamp drivers, small motor controls, gate drivers for larger thyristors, and sensing and detection circuits.
The devices are supplied in a surface mount SOT-223 package for use in automated manufacturing.