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| Part Number | S4X8BSRP | S4X8ESRP | S4X8TSRP | S4X8BSRP1 | S4X8BS1RP | S4X8BS2RP |
|---|---|---|---|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. | Littelfuse Inc. |
| Product Status | Active | Active | Active | Active | Active | Active |
| Voltage - Off State | 400 V | 400 V | 400 V | 400 V | 400 V | 400 V |
| Voltage - Gate Trigger (Vgt) (Max) | 800 mV | 800 mV | 800 mV | 800 mV | 800 mV | 800 mV |
| Current - Gate Trigger (Igt) (Max) | 200 µA | 200 µA | 200 µA | 200 µA | 5 µA | 50 µA |
| Voltage - On State (Vtm) (Max) | 1.7 V | 1.7 V | 1.7 V | 1.7 V | 1.7 V | 1.7 V |
| Current - On State (It (AV)) (Max) | 510 mA | 510 mA | 510 mA | 510 mA | 510 mA | 510 mA |
| Current - On State (It (RMS)) (Max) | 800 mA | 800 mA | 800 mA | 800 mA | 800 mA | 800 mA |
| Current - Hold (Ih) (Max) | 5 mA | 5 mA | 5 mA | 5 mA | 5 mA | 5 mA |
| Current - Off State (Max) | 3 µA | 3 µA | 3 µA | 3 µA | 3 µA | 3 µA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 8A, 10A | 8A, 10A | 8A, 10A | 8A, 10A | 8A, 10A | 8A, 10A |
| SCR Type | Sensitive Gate | 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 (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Through Hole | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | TO-243AA | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-261-4, TO-261AA | TO-243AA | TO-243AA | TO-243AA |
| Supplier Device Package | SOT-89 | TO-92 | SOT-223 | SOT-89 | SOT-89 | SOT-89 |
