| Manufacturer | Part Number | Description |
|---|---|---|
New Jersey Semi-Conductor
| MCR203 | SILICON CONTROLLED RECTIFIERS |
Motorola Semiconductor (now NXP Semiconductors)
| MCR203 | (MCR202 - MCR206) SILICON CONTROLLDE RECTIFIERS REVERSE BLOCKING TRIODE THYRISTORS |
| DIGITRON SEMICONDUCTORS | MCR203 | SILICON CONTROLLED RECTIFIERS |