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The BRT11-H is a phototriac output optocoupler manufactured by Vishay Semiconductor Opto Division. It features a non-zero-crossing triac output capable of handling an off-state voltage (VDRM) of 400 V and an RMS on-state current (It RMS) of 300 mA. The device utilizes a DIP-6 package for through-hole mounting and operates within a temperature range of -40°C to +100°C. Key electrical parameters include a forward current (If) of 60 mA, a maximum trigger current (IFT) of 2 mA, and a power dissipation (Pd) of 600 mW.
Verify the specific suffix or variant against the official Vishay datasheet to ensure compatibility with required voltage ratings and packaging types. Confirm RoHS compliance status and lead times directly with authorized distributors, as availability may vary by region and production batch.
Select this component when non-zero-crossing behavior is required for phase-angle firing applications. Ensure the circuit design accommodates the 400 V blocking voltage and 300 mA RMS current limits. Verify that the DIP-6 package fits the PCB layout constraints and thermal management requirements of the target assembly.
The BRT11-H belongs to Vishay's BRT series of phototriac output optocouplers. This series provides electrical isolation for controlling AC power devices. Unlike zero-crossing variants, this model allows for immediate triggering regardless of the AC line voltage phase, making it suitable for applications requiring rapid response or phase control.
Check for direct substitutes such as the BRT12-H or BRT13-H if higher voltage ratings are needed, ensuring pinout compatibility. Verify functional equivalence with other non-zero-crossing triac optocouplers from different manufacturers by comparing IFT, VDRM, and package dimensions.