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MOC3021G is listed in the Triac, SCR Output Optoisolators range at ChipApex. The manufacturer field lists Isocom Components 2004 LTD. Its product description is OPTOISOLATOR 5KV TRIAC 1CH 6-DIP. Review the specifications below when checking this part for your BOM.
Triac, SCR Output Optoisolators specifications for MOC3021G
- Description：OPTOISOLATOR 5KV TRIAC 1CH 6-DIP
- Series：MOC302
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Output Type：Triac
- Zero Crossing Circuit：No
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Voltage - Off State：400 V
- Static dV/dt (Min)：10V/µs (Typ)
- Current - LED Trigger (Ift) (Max)：15mA
- Current - On State (It (RMS)) (Max)：-
- Current - Hold (Ih)：100µA
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：6-DIP (0.400", 10.16mm)
- Supplier Device Package：6-DIP
- Approval Agency：UL, VDE
Triac, SCR Output Optoisolators datasheet and documents for MOC3021G
Triac, SCR Output Optoisolators Overview
The MOC3021G is a single-channel optoisolator featuring a random phase triac output, housed in a 6-pin DIP package. It provides an isolation voltage of 5 kVrms and supports a peak repetitive off-state voltage of 400 V. The device operates within a temperature range of -40 °C to 100 °C, with a maximum forward current of 50 mA and a nominal input trigger current of 15 mA.
Triac, SCR Output Optoisolators Feature Summary
- Random phase triac output configuration for AC load control
- High isolation voltage capability of 5 kVrms
- UL recognized safety certification
Triac, SCR Output Optoisolators Applications
- AC motor speed control circuits
- Solid state relay modules
- Lighting dimmer applications
Triac, SCR Output Optoisolators Procurement Notes
Verify the specific suffix against official Isocom documentation to confirm pinout and electrical characteristics. Ensure the procurement channel sources directly from authorized distributors or the manufacturer to guarantee component authenticity and traceability.
Triac, SCR Output Optoisolators Selection Notes
Select this component when random phase triggering is required for AC loads without zero-crossing synchronization. Consider the 400 V blocking voltage limit and 1 A surge current rating when designing for high-power AC switching environments.
Triac, SCR Output Optoisolators Part Context
Isocom Components manufactures infrared optoelectronic devices specializing in optocouplers and optoswitches. The MOC3021G belongs to their standard triac output series, designed as a replacement for common commercial optocoupler types used in industrial and consumer electronics.
Triac, SCR Output Optoisolators Replacement Considerations
MOC3021SM
Triac, SCR Output Optoisolators FAQ
What is the output type of the MOC3021G?
It features a random phase triac output suitable for controlling AC power.
Does the MOC3021G have zero-crossing detection?
No, it is a random phase device that triggers at any point in the AC cycle.
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