| Part Number | MSS40-1200 | MSS50-1200 |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Thyristors - SCRs - Modules | Thyristors - SCRs - Modules |
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| Product Status | Obsolete | Obsolete |
| Structure | 1-Phase Controller - All SCRs | 1-Phase Controller - All SCRs |
| Number of SCRs, Diodes | 2 SCRs | 2 SCRs |
| Voltage - Off State | 1.2 kV | 1.2 kV |
| Current - On State (It (AV)) (Max) | - | - |
| Current - On State (It (RMS)) (Max) | 55 A | 70 A |
| Voltage - Gate Trigger (Vgt) (Max) | 1.3 V | 1.3 V |
| Current - Gate Trigger (Igt) (Max) | 50 mA | 50 mA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 400A, 420A | 600A, 630A |
| Current - Hold (Ih) (Max) | 80 mA | 80 mA |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Chassis Mount | Chassis Mount |
| Package / Case | ISOTOP | ISOTOP |