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Product Detailed Parameters
- Description：TRIAC 800V 1A SC73
- Series：-
- Mfr：WeEn Semiconductors
- Package：Tape & Reel (TR)
- Triac Type：Standard
- Voltage - Off State：800 V
- Current - On State (It (RMS)) (Max)：1:00 AM
- Voltage - Gate Trigger (Vgt) (Max)：1.5 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：10A, 11A
- Current - Gate Trigger (Igt) (Max)：35 mA
- Current - Hold (Ih) (Max)：15 mA
- Configuration：Single
- Operating Temperature：125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-261-4, TO-261AA
- Supplier Device Package：SC-73
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Overview
The BT134W-800,115 is a four-quadrant triac manufactured by WeEn Semiconductors. It features an RMS on-state current of 1 A and a repetitive peak off-state voltage of 800 V. The device has a non-repetitive peak on-state current of 13.8 A and an on-state voltage of 1.2 V. Gate trigger voltage is specified at 700 mV with a gate trigger current of 3.8 mA. The holding current maximum is 5 mA. Operating temperature ranges from -40 °C to +125 °C. It utilizes a surface-mount SOT223 package for through-hole equivalent mounting.
Feature Summary
- Four-quadrant gate sensitivity ensures reliable triggering across all polarity combinations.
- Planar passivated construction provides robust protection against voltage transients.
- High commutation capability allows full rated current commutation without snubber circuits.
Applications
- Lighting control systems
- Solid-state relays
- Motor speed control
Procurement Notes
Verify the specific suffix '115' against official WeEn Semiconductors documentation to confirm tape-and-reel packaging specifications. Ensure the component matches the SOT223 outline dimensions required for the target PCB footprint. Cross-reference the manufacturer part number with authorized distributors to confirm availability status and authenticity.
Selection Notes
Select this component for applications requiring high dv/dt immunity in compact designs. The 800 V rating suits mains voltage applications. Verify that the 1 A RMS current meets load requirements. Consider thermal management for the SOT223 package under continuous operation conditions.
Part Context
This part belongs to the BT134W series of planar passivated triacs. It shares functional characteristics with other devices in the family but differs in voltage ratings and packaging. The SOT223 package offers a surface-mount alternative to traditional through-hole TO-92 packages while maintaining similar electrical performance profiles.
Replacement Considerations
Compatible substitutes include the BTA301W-800D and BTA204W-800C from WeEn Semiconductors. These alternatives share the SOT223 package and 800 V rating. Verify gate sensitivity and current handling capabilities before substitution.
