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MOC3042XSMT&R is listed in the Triac, SCR Output Optoisolators range at ChipApex. The manufacturer field lists Isocom Components 2004 LTD. Its product description is OPTOISOLATR 7.5KV PWR TRIAC 1CH. Review the specifications below when checking this part for your BOM.
Triac, SCR Output Optoisolators specifications for MOC3042XSMT&R
- Description：OPTOISOLATR 7.5KV PWR TRIAC 1CH
- Series：MOC304
- Mfr：Isocom Components 2004 LTD
- Package：Tape & Reel (TR)
- Output Type：Triac, Power
- Zero Crossing Circuit：Yes
- Number of Channels：1
- Voltage - Isolation：7500Vpk
- Voltage - Off State：400 V
- Static dV/dt (Min)：600V/µs
- Current - LED Trigger (Ift) (Max)：10mA
- Current - On State (It (RMS)) (Max)：-
- Current - Hold (Ih)：400µA (Typ)
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：-
- Approval Agency：UL, VDE
Triac, SCR Output Optoisolators datasheet and documents for MOC3042XSMT&R
Triac, SCR Output Optoisolators Overview
The MOC3042XSMT&R is a surface-mount optocoupler from the MOC304 series, manufactured by Isocom Components. It features a single channel with a triac power output and integrated zero-crossing detection circuitry. The device utilizes a 6-pin SMD package and provides high isolation voltage of 5.3 kVrms or 7500 Vpk between input and output. It supports an off-state voltage of 400 V and is designed for AC load control applications requiring precise switching timing.
Triac, SCR Output Optoisolators Feature Summary
- Integrated zero-crossing detection for reduced electrical noise and inrush current
- Triac output stage suitable for direct AC load driving
- High isolation capability for safety-critical signal transfer
Triac, SCR Output Optoisolators Applications
- Solid state relays (SSRs)
- AC motor speed controllers
- Lighting dimmer circuits
Triac, SCR Output Optoisolators Procurement Notes
Verify the manufacturer designation carefully, as sources list both Isocom Components and onsemi for this part number. Confirm the specific isolation rating (5.3 kVrms vs 7500 Vpk) required for your design. Ensure the surface mount footprint matches your PCB layout constraints before ordering.
Triac, SCR Output Optoisolators Selection Notes
Select this component when zero-crossing switching is mandatory to minimize EMI. Compare against non-zero-crossing variants like the MOC3041 if random phase firing is needed. Verify that the 400 V off-state voltage meets the peak line voltage requirements of the target application.
Triac, SCR Output Optoisolators Part Context
This part belongs to the MOC304 family of zero-crossing triac driver optocouplers. It serves as a bridge between low-voltage logic circuits and high-voltage AC mains. The surface mount variant facilitates automated assembly in compact consumer and industrial electronics.
Triac, SCR Output Optoisolators Replacement Considerations
MOC3042M is a verified pin-compatible alternative within the same series offering identical functional characteristics.
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