# P0109DA 1AA3 STMicroelectronics | Discrete Semiconductor Products | DigiKey

**Manufacturer:** STMicroelectronics  
**MPN:** `P0109DA-1AA3`

The STMicroelectronics P0109DA 1AA3 is a 0.8 amp, 400 volt silicon controlled rectifier (SCR) packaged in a TO-92 case.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | STMicroelectronics |
| Manufacturer name | STMicroelectronics |
| Manufacturer | STMicroelectronics |
| Extra Product Name | P0109DA 1AA3 STMicroelectronics \| Discrete Semiconductor Products \| DigiKey |
| atoms | 1 |
| extraShipping | 0 |
| moq | 1 |
| MPN | P0109DA-1AA3 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 2035483 |
| snippet | SCR 400 V 800 mA Sensitive Gate Through Hole TO-92-3 |
| Category | Discrete Semiconductor Products |
| Mfr | STMicroelectronics |
| Series | - |
| Package | Bulk |
| Product Status | Obsolete |
| Voltage - Off State | 400 V |
| Voltage - Gate Trigger (Vgt) (Max) | 800 mV |
| Current - Gate Trigger (Igt) (Max) | 200 ?A |
| Voltage - On State (Vtm) (Max) | 1.95 V |
| Current - On State (It (AV)) (Max) | 500 mA |
| Current - On State (It (RMS)) (Max) | 800 mA |
| Current - Hold (Ih) (Max) | 5 mA |
| Current - Off State (Max) | 10 ?A |
| Current - Non Rep Surge 50, 60Hz (Itsm) | 7A, 8A |
| SCR Type | Sensitive Gate |
| Operating Temperature | -40?C ~ 125?C |
| Mounting Type | Through Hole |
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) |
| Supplier Device Package | TO-92-3 |
| Base Product Number | P0109 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 2035483 |  |  | None | 1 |

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