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P0102DA 1AA3 ST Thyristors - SCRs

The P0102DA 1AA3 is a 400V, 0.8A sensitive-gate SCR in a classic TO-92 through-hole package, ideal for low-cost AC control circuits where direct logic-level triggering is essential. Select this thyristor when your design requires reliable latching with an ultra-low 200µA gate trigger current, allowing direct drive from microcontroller GPIOs without buffer transistors. Its 5mA holding current ensures stable operation in low-load conditions. Key applications include home appliance controls (lamp dimmers, fan regulators), ground fault circuit interrupters (GFCI), gas igniters, and small solid-state relays. It also suits industrial safety circuits, overvoltage crowbar protection, and low-power motor speed controllers with -40°C to +125°C operation. In stock at HL Electronics – request a quote for fast delivery.

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Partno：P0102DA 1AA3Encapsulation：

Brand：STParticular Year：

Classification：Packing：

Stock：23000SPQ：0

MOQ：1+Delivery Time：In Stock

Unit Price： $ 0.129059
Total： $ 0.13
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  • PartNoP0102DA 1AA3
  • Category Discrete Semiconductor Products > Thyristors - SCRs
  • Series -
  • Packaging Bulk
  • Part Status Active
  • Voltage - Off State 400V
  • Voltage - Gate Trigger (Vgt) (Max) 800mV
  • Current - Gate Trigger (Igt) (Max) 200µA
  • Voltage - On State (Vtm) (Max) 1.95V
  • Current - On State (It (RMS)) (Max) 800mA
  • Current - Hold (Ih) (Max) 5mA
  • Current - Off State (Max) 10µA
  • Current - Non Rep. Surge 50, 60Hz (Itsm) 7A, 8A
  • SCR Type Sensitive Gate
  • Operating Temperature -40°C ~ 125°C
  • Mounting Type Through Hole
  • Supplier Device Package TO-92-3
  • Current - On State (It (AV)) (Max) 500mA
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