Littelfuse Inc. EC103B is a sensitive gate Silicon Controlled Rectifier (SCR) designed for through-hole mounting in a TO-92 package. This component features a blocking voltage of 200V and an RMS on-state current handling capability of 800mA. The device exhibits a low gate trigger current (Igt) requirement of 200 µA, making it suitable for applications requiring sensitive triggering. Holding current (Ih) is specified at a maximum of 5mA. Surge current capability for 50Hz and 60Hz is 16A and 20A respectively. The off-state leakage current is a maximum of 1 µA. The on-state voltage drop (Vtm) is 1.7V at its maximum on-state current. Operating temperature range is from -40°C to 110°C. This SCR is commonly utilized in control circuits, power switching applications, and general-purpose electronic systems across various industrial and consumer electronics sectors.
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-226-3, TO-92-3 (TO-226AA) |
| Mounting Type | Through Hole |
| SCR Type | Sensitive Gate |
| Operating Temperature | -40°C ~ 110°C |
| Current - Hold (Ih) (Max) | 5 mA |
| Current - Gate Trigger (Igt) (Max) | 200 µA |
| Current - Non Rep. Surge 50, 60Hz (Itsm) | 16A, 20A |
| Current - On State (It (AV)) (Max) | 510 mA |
| Voltage - Gate Trigger (Vgt) (Max) | 800 mV |
| Voltage - On State (Vtm) (Max) | 1.7 V |
| Current - Off State (Max) | 1 µA |
| Supplier Device Package | TO-92 |
| Current - On State (It (RMS)) (Max) | 800 mA |
| Voltage - Off State | 200 V |
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