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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV TRIAC 1CH 6-SMD
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Output Type：Triac
- Zero Crossing Circuit：No
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Voltage - Off State：600 V
- Static dV/dt (Min)：1kV/µs
- Current - LED Trigger (Ift) (Max)：15mA
- Current - On State (It (RMS)) (Max)：100 mA
- Current - Hold (Ih)：250µA (Typ)
- Turn On Time：-
- Voltage - Forward (Vf) (Typ)：1.18V
- Current - DC Forward (If) (Max)：60 mA
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：6-SMD
- Approval Agency：CSA, DEMKO, FIMKO, NEMKO, SEMKO, UL
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Overview
The EL3051S1(TB) is a surface-mount, random-phase triac driver optocoupler manufactured by Everlight Electronics. It features a single channel with a GaAs infrared LED input and a triac output. The device provides electrical isolation of 5000 Vrms and supports an operating temperature range from -55°C to +100°C. Packaged in a compact SMD-6 form factor, it is designed for high-speed applications requiring reliable gate triggering of triacs and SCRs.
Feature Summary
- Random-phase triac output capability for AC power control
- High isolation voltage rating of 5000 Vrms
- Extended operating temperature range suitable for industrial environments
- Surface-mount packaging for automated assembly
Applications
- AC motor speed control systems
- Solid-state relay (SSR) modules
- Lighting dimmer circuits
- Industrial process control interfaces
Procurement Notes
Verify the specific suffix configuration against the manufacturer's official datasheet to ensure compatibility with required packaging formats such as cut tape or reel. Confirm that the component meets all relevant safety certifications and RoHS compliance standards required for the target application before finalizing procurement orders.
Selection Notes
Select this component when random-phase triggering is required for AC loads without zero-crossing constraints. Ensure the circuit design accommodates the peak forward voltage requirements of the internal triac. Verify that the surface-mount footprint matches the PCB layout specifications and thermal management requirements of the host system.
Part Context
This part belongs to the EL305X series of triac and SCR output optocouplers. It serves as a solid-state interface between low-voltage control logic and high-voltage AC power stages. The series is characterized by its ability to drive triacs directly from the output stage, eliminating the need for external gate drivers in many standard configurations.
Replacement Considerations
Consult official substitution guides for compatible equivalents within the same product family. Verify pinout compatibility and electrical parameter alignment before replacing the original component in existing designs.
