Littelfuse Inc. S4006FS21 is a sensitive gate Silicon Controlled Rectifier (SCR) designed for through-hole mounting. This component features a repetitive peak off-state voltage of 400V and a continuous on-state current rating of 6A (RMS), with an average on-state current of 3.8A. The gate trigger current (Igt) is a maximum of 200 µA, indicating its sensitivity. The SCR exhibits a holding current (Ih) of up to 6 mA and a low off-state current of 5 µA. Non-repetitive surge current capabilities are 83A and 100A at 50Hz and 60Hz respectively. The on-state voltage drop (Vtm) is a maximum of 1.6V, and the gate trigger voltage (Vgt) is 800 mV. Operating within a temperature range of -40°C to 110°C, the S4006FS21 is housed in a TO-202 package with a short tab. This device finds application in power control and switching circuits across various industrial and consumer electronics sectors, including lighting control, motor speed regulation, and power supply applications.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDownload Free CAD Model:
Technical Details:
| Packaging | Bulk |
| Package / Case | TO-202 Short Tab |
| 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) | 83A, 100A |
| Current - On State (It (AV)) (Max) | 3.8 A |
| Voltage - Gate Trigger (Vgt) (Max) | 800 mV |
| Voltage - On State (Vtm) (Max) | 1.6 V |
| Current - Off State (Max) | 5 µA |
| Supplier Device Package | TO-202 |
| Current - On State (It (RMS)) (Max) | 6 A |
| Voltage - Off State | 400 V |
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