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BTA203-800ET/L01EP is listed in the Triacs range at ChipApex. The manufacturer field lists WeEn Semiconductors. Its product description is TRIAC ALTERNISTOR 800V 3A TO92-3. Review the specifications below when checking this part for your BOM.
The BTA203-800ET/L01EP is a planar passivated high commutation three-quadrant triac manufactured by WeEn Semiconductors. It is housed in a TO-92 plastic package and designed for interfacing with low-power drivers and logic ICs, including microcontrollers. The device balances commutation performance with gate sensitivity. Key electrical parameters include an RMS on-state current of 3 A, a non-repetitive peak on-state current of 25 A, and a rated repetitive peak off-state voltage of 800 V. The maximum junction temperature is +150°C, and the operating temperature range extends from -40°C to +150°C.
Verify the specific suffix L01EP against official manufacturer documentation to confirm exact marking and packaging details. Confirm RoHS compliance status and lead-free conversion dates via the latest datasheet or PCN documents before procurement.
Select this component when a TO-92 packaged triac with 800 V blocking voltage and 3 A RMS current rating is required. Ensure the application demands high commutation performance and compatibility with low-power logic interfaces.
This part belongs to the BTA series of high commutation triacs from WeEn Semiconductors. These devices are engineered to offer a balance between high current handling and sensitive gate triggering, making them suitable for general-purpose AC control tasks.
Direct substitutes within the same family include BTA203-800E or BTA203-800ET. Verify pinout compatibility and thermal characteristics before substitution.
Explore related parts through Thyristors, Discrete Semiconductor Products, all product categories, ChipApex homepage.

BTA203-800ET/L01EP is listed in the Triacs range at ChipApex. The manufacturer field lists WeEn Semiconductors. Its product description is TRIAC ALTERNISTOR 800V 3A TO92-3.…
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