onsemi SCR 400V 8A TO220AB, part number MCR8SD, is a sensitive gate SCR designed for power control applications. This through-hole component offers a repetitive peak off-state voltage (VDRM) of 400V and an RMS on-state current (IT(RMS)) of 8A. Key triggering parameters include a maximum gate trigger current (IGT) of 200 µA and a maximum gate trigger voltage (VGT) of 1V, facilitating reliable activation. The SCR exhibits a low holding current (IH) of 6 mA and a maximum off-state current (ID) of 10 µA. Its non-repetitive surge current (ITSM) capability is 80A at 60Hz. Encased in a TO-220-3 package, it operates across a temperature range of -40°C to 110°C. This device is commonly utilized in industrial automation, power supplies, and motor control systems.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | TO-220-3 |
| Mounting Type | Through Hole |
| SCR Type | Sensitive Gate |
| Operating Temperature | -40°C ~ 110°C |
| Current - Hold (Ih) (Max) | 6 mA |
| Current - Gate Trigger (Igt) (Max) | 200 µA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 80A @ 60Hz |
| Voltage - Gate Trigger (Vgt) (Max) | 1 V |
| Voltage - On State (Vtm) (Max) | 1.8 V |
| Current - Off State (Max) | 10 µA |
| Supplier Device Package | TO-220 |
| Grade | - |
| Current - On State (It (RMS)) (Max) | 8 A |
| Voltage - Off State | 400 V |
| Qualification | - |
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