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MOC3021SR2VM is listed in the Triac, SCR Output Optoisolators range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is OPTOISOLTR 4.17KV TRIAC 1CH 6SMD. Review the specifications below when checking this part for your BOM.
Triac, SCR Output Optoisolators specifications for MOC3021SR2VM
- Description：OPTOISOLTR 4.17KV TRIAC 1CH 6SMD
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Output Type：Triac
- Zero Crossing Circuit：No
- Number of Channels：1
- Voltage - Isolation：4170Vrms
- Voltage - Off State：400 V
- Static dV/dt (Min)：-
- Current - LED Trigger (Ift) (Max)：15mA
- Current - On State (It (RMS)) (Max)：-
- Current - Hold (Ih)：100µA (Typ)
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.15V
- Current - DC Forward (If) (Max)：60 mA
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：6-SMD
- Approval Agency：IEC/EN/DIN, UL
Triac, SCR Output Optoisolators datasheet and documents for MOC3021SR2VM
Triac, SCR Output Optoisolators Overview
The MOC3021SR2VM is a random-phase triac driver optocoupler manufactured by Fairchild Semiconductor. It features an infrared emitting diode optically coupled to a silicon bilateral switch for AC load control. Key electrical parameters include an off-state output voltage (VDRM) of 400 V, a forward current (If) of 60 mA, and a forward voltage (Vf) of 1.15 V. The device provides an isolation voltage of 4170 Vrms and has a power dissipation rating of 330 mW.
Triac, SCR Output Optoisolators Feature Summary
- Random-phase triggering capability for precise AC load control
- Optical isolation between input LED and output triac
- Surface mount DIP-6 package configuration
Triac, SCR Output Optoisolators Applications
- Industrial motor control systems
- AC load switching applications
- Solid state relay circuits
Triac, SCR Output Optoisolators Procurement Notes
Verify the manufacturer origin as Fairchild Semiconductor or onsemi during procurement. Confirm the specific suffix SR2VM matches the required surface mount packaging and tape-and-reel specifications. Ensure the component meets the specified 400V off-state voltage requirements for the target application environment.
Triac, SCR Output Optoisolators Selection Notes
Select this component when random-phase triggering is required rather than zero-crossing. Ensure the circuit design accommodates the 400V off-state voltage limit. Verify that the 60mA forward current input drive is sufficient for reliable triggering within the specified operating temperature range.
Triac, SCR Output Optoisolators Part Context
This part belongs to the MOC302x series of triac driver optocouplers. It is functionally similar to other random-phase variants but distinguished by its specific surface mount packaging and electrical ratings provided by Fairchild Semiconductor.
Triac, SCR Output Optoisolators Replacement Considerations
Compatible substitutes include the MOC3021M from ON Semiconductor. Verify pinout compatibility and electrical parameter equivalence before substitution.
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