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QTM3043T1 is listed in the Triac, SCR Output Optoisolators range at ChipApex. The manufacturer field lists QT Brightek (QTB). Its product description is OPTOISO 3.75KV TRIAC 1CH 4-MFLAT. Review the specifications below when checking this part for your BOM.
Triac, SCR Output Optoisolators specifications for QTM3043T1
- Description：OPTOISO 3.75KV TRIAC 1CH 4-MFLAT
- Series：QTM304X
- Mfr：QT Brightek (QTB)
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Triac
- Zero Crossing Circuit：Yes
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Voltage - Off State：400 V
- Static dV/dt (Min)：1kV/µs
- Current - LED Trigger (Ift) (Max)：5mA
- Current - On State (It (RMS)) (Max)：-
- Current - Hold (Ih)：250µA
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.5V (Max)
- Current - DC Forward (If) (Max)：60 mA
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-Mini-Flat
- Approval Agency：UL, VDE
Triac, SCR Output Optoisolators datasheet and documents for QTM3043T1
Triac, SCR Output Optoisolators Overview
The QTM3043T1 is a Triac output optoisolator from the QTM304X series by QT Brightek. It features a 4-Mini-Flat surface-mount package and provides 3750Vrms isolation voltage. The device includes an integrated zero-crossing circuit for low EMI switching. Key electrical parameters include a maximum LED trigger current of 5mA, a holding current of 250µA, and a typical forward voltage of 1.5V. It supports a DC forward current up to 60mA and operates within a temperature range of -55°C to 100°C.
Triac, SCR Output Optoisolators Feature Summary
- Integrated zero-crossing detection circuitry for reduced electromagnetic interference during AC load switching.
Triac, SCR Output Optoisolators Applications
- Solid-state relay (SSR) input stages
- AC motor control interfaces
- Industrial process control isolation
Triac, SCR Output Optoisolators Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific suffix 'T1' corresponds to the required tape-and-reel packaging configuration. Ensure compliance with RoHS3 standards and check for any recent product change notices regarding the Mini-Flat package dimensions.
Triac, SCR Output Optoisolators Selection Notes
Select this component when high isolation voltage and low electromagnetic interference are critical requirements. The built-in zero-crossing feature distinguishes it from standard triac optocouplers, making it suitable for sensitive AC power applications where switching noise must be minimized.
Triac, SCR Output Optoisolators Part Context
This part belongs to the QTM304X series, which shares architectural similarities with the QTM303X, QTM306X, and QTM308X lines. These series utilize consistent Mini-Flat packaging and offer varying voltage ratings while maintaining similar functional characteristics for industrial isolation needs.
Triac, SCR Output Optoisolators Replacement Considerations
Cross-reference with QTM3033T1 for similar specifications within the same manufacturer's portfolio. Verify pinout compatibility and isolation voltage ratings before substituting with other brands.
Explore related parts through Optocouplers, Optoisolators, Isolators, all product categories, ChipApex homepage.
