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Product Detailed Parameters
- Description：OPTOISOLATOR 5.3KV TRIAC 1CH
- Series：IS3021
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Output Type：Triac
- Zero Crossing Circuit：No
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- 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 (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：-
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Overview
The IS3021SM is a Triac Output Optocoupler manufactured by Isocom Components. It features a single channel with a non-zero crossing triac output rated for 400V peak voltage. The device provides high isolation capability with a maximum insulation voltage of 5300 Vrms. Key electrical parameters include a maximum forward current of 0.05 A, a maximum on-state current of 0.1 A, and a peak surge current of 1 A. It operates within a temperature range of -40 °C to 100 °C and utilizes a surface mount package.
Feature Summary
- Non-zero crossing triac output configuration for AC load control
- High voltage isolation up to 5300 Vrms
- Surface mount packaging for automated assembly
Applications
- AC motor speed control systems
- Solid state relay applications
- Lighting dimmer circuits
Procurement Notes
Verify the specific manufacturer designation, as the model may be associated with Isocom Components or Isocom Components 2004 LTD. Confirm that the datasheet explicitly supports the 5300 Vrms isolation rating and 400V output specification. Ensure the surface mount package type matches the required PCB footprint. Cross-reference the RoHS compliance status with the latest official documentation.
Selection Notes
Select this component when non-zero crossing switching is required for AC loads, allowing immediate turn-on regardless of voltage phase. The 5300 Vrms isolation rating suits applications demanding robust electrical separation between control and power stages. Consider the 0.1 A on-state current limit for low-power AC devices. Verify thermal management requirements given the 100 °C maximum operating temperature.
Part Context
This part belongs to the family of optically coupled bilateral switches featuring triac outputs. It is designed for interfacing low-voltage control logic with higher-voltage AC power circuits. The surface mount format facilitates compact circuit board designs in modern electronic equipment requiring reliable galvanic isolation.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material.
