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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV TRIAC 1CH 6-DIP
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tube
- Output Type：Triac
- Zero Crossing Circuit：Yes
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Voltage - Off State：400 V
- Static dV/dt (Min)：1kV/µs
- Current - LED Trigger (Ift) (Max)：5mA
- Current - On State (It (RMS)) (Max)：100 mA
- Current - Hold (Ih)：280µA (Typ)
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.5V (Max)
- Current - DC Forward (If) (Max)：60 mA
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：6-DIP (0.400", 10.16mm)
- Supplier Device Package：6-DIP
- Approval Agency：CSA, DEMKO, FIMKO, NEMKO, SEMKO, UL
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Overview
The EL3043M is a single-channel phototriac output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode with a zero-crossing triac detector, providing electrical isolation for AC load control applications. The device features a peak breakdown voltage of 400V and a high isolation voltage of 5000 Vrms between input and output terminals. It operates within a temperature range of -55°C to +100°C. Key electrical parameters include a forward current of 60 mA, a forward voltage of 1.5 V, and a power dissipation of 330 mW. The component is available in a 6-DIP package.
Feature Summary
- Integrates a zero-voltage crossing circuit for precise AC switching timing
- Provides high insulation capability with 5000 Vrms isolation rating
- Combines an infrared LED emitter with a sensitive triac detector
Applications
- Solid-state relay (SSR) driver circuits
- AC motor speed control systems
- Lighting dimmer switch designs
- General-purpose AC load switching interfaces
Procurement Notes
Verify the specific suffix (e.g., M-V) against the manufacturer's datasheet to confirm pin configuration and packaging type. Ensure compliance with RoHS standards and check for UL or VDE certifications required for end-product safety approvals. Confirm availability through authorized distributors as supply status may vary by region.
Selection Notes
Select this component when zero-crossing detection is necessary to minimize electromagnetic interference during AC switching. The 400V peak blocking voltage suits low-to-medium voltage AC loads. Consider the 6-DIP package for through-hole mounting requirements. Verify thermal management needs given the 100°C maximum operating temperature limit.
Part Context
The EL3043M belongs to Everlight's EL304X series of zero-crossing triac driver optocouplers. This series is designed for reliable isolation in AC power control applications. The 'M' designation typically indicates a specific manufacturing variant or packaging style within the product line, distinct from other series like EL303X or EL306X which offer different voltage ratings.
Replacement Considerations
Potential substitutes include the EL3041, EL3042, EL3051, EL3052, EL3061, EL3062, EL3081, and EL3082 models from the same manufacturer family, provided they match the required voltage rating and zero-crossing functionality.
