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| Part Number | TS420-600T | TS420-600B-TR | TS420-600H | TS420-600B | TS420-400B-TR |
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Series | - | - | - | - | - |
| Package/Case | TO-220-3 | TO-252-3, DPAK (2 Leads + Tab), SC-63 | TO-251-3 Short Leads, IPAK, TO-251AA | TO-252-3, DPAK (2 Leads + Tab), SC-63 | TO-252-3, DPAK (2 Leads + Tab), SC-63 |
| Packaging | Tube | Tape & Reel (TR) | Tube | Tube | Tape & Reel (TR) |
| Product Status | Active | Active | Active | Active | Obsolete |
| Voltage - Off State | 600 V | 600 V | 600 V | 600 V | 400 V |
| Voltage - Gate Trigger (Vgt) (Max) | 800 mV | 800 mV | 800 mV | 800 mV | 800 mV |
| Current - Gate Trigger (Igt) (Max) | 200 µA | 200 µA | 200 µA | 200 µA | 200 µA |
| Voltage - On State (Vtm) (Max) | 1.6 V | 1.6 V | 1.6 V | 1.6 V | 1.6 V |
| Current - On State (It (AV)) (Max) | 2.5 A | 2.5 A | 2.5 A | 2.5 A | 2.5 A |
| Current - On State (It (RMS)) (Max) | 4 A | 4 A | 4 A | 4 A | 4 A |
| Current - Hold (Ih) (Max) | 5 mA | 5 mA | 5 mA | 5 mA | 5 mA |
| Current - Off State (Max) | 5 µA | 5 µA | 5 µA | 5 µA | 5 µA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 30A, 33A | 30A, 33A | 30A, 33A | 30A, 33A | 30A, 33A |
| SCR Type | Sensitive Gate | Sensitive Gate | Sensitive Gate | Sensitive Gate | Sensitive Gate |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Mounting Type | Through Hole | Surface Mount | Through Hole | Surface Mount | Surface Mount |
| Supplier Device Package | TO-220 | DPAK | TO-251 (IPAK) | DPAK | DPAK |
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