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Product Detailed Parameters
- Description：TRIAC SENS GATE 400V 0.8A SC73
- Series：-
- Mfr：WeEn Semiconductors
- Package：Tape & Reel (TR)
- Triac Type：Logic - Sensitive Gate
- Voltage - Off State：400 V
- Current - On State (It (RMS)) (Max)：800 mA
- Voltage - Gate Trigger (Vgt) (Max)：2 V
- Current - Non Rep. Surge 50, 60Hz (Itsm)：9A, 10A
- Current - Gate Trigger (Igt) (Max)：5 mA
- Current - Hold (Ih) (Max)：10 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 BT1308W-400D,135 is a sensitive gate triac manufactured by WeEn Semiconductors. It features a repetitive peak off-state voltage (VDRM) of 400 V and an RMS on-state current (IT(RMS)) of 0.8 A. The device has a non-repetitive surge current rating (ITSM) of 10 A. Key electrical parameters include a maximum holding current of 10 mA, a gate trigger voltage of 900 mV, and a gate trigger current of 4 mA. The on-state voltage is specified at 1.35 V with a leakage current of 100 uA. It operates within a temperature range up to +125 C and utilizes an SC-73-4 package.
Feature Summary
- Sensitive gate design enabling direct interfacing with logic level integrated circuits
- Four-quadrant gate triggering capability for reliable switching
- Surface-mountable plastic package optimized for increased heatsink performance
Applications
- General purpose switching applications
- Phase control circuits
- Low-power AC fan speed controllers
Procurement Notes
Verify the specific ordering suffix against manufacturer documentation to confirm packaging details. Confirm RoHS compliance status through official product data sheets before integration. Ensure component authenticity via authorized distribution channels. Validate pinout compatibility with existing PCB layouts during the design phase.
Selection Notes
Select this component for low-power AC control requiring logic-level interface compatibility. Verify that the 400 V voltage rating meets circuit requirements. Consider thermal management needs given the SC-73 package constraints. Compare gate sensitivity specifications against available drive circuit capabilities.
Part Context
This part belongs to the BT1308W series of triacs from WeEn Semiconductors. The series includes variants with different voltage ratings such as the 600 V version. These devices are designed for surface-mount applications in consumer electronics and general industrial switching environments.
Replacement Considerations
Check for equivalent parts within the same family or compatible logic-level triacs. Verify pinout and package dimensions match the SC-73 form factor. Ensure voltage and current ratings meet or exceed original design specifications.
