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EL817(S1)(D)(TB)
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：300% @ 5mA
- Current Transfer Ratio (Max)：600% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：35V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
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Overview
The EL817(S1)(D)(TB) is a transistor output optocoupler manufactured by Everlight Electronics. It features one channel with an NPN phototransistor output and provides 5000 Vrms isolation voltage between input and output. The device is designed for surface mount applications, utilizing a compact package suitable for automated assembly processes.
Feature Summary
- Provides high electrical isolation between input and output circuits
- Integrates an infrared emitting diode with an NPN phototransistor detector
- Designed for surface mount technology (SMD) assembly
Applications
- Signal isolation in industrial control systems
- Power supply feedback loops
- Communication equipment interface isolation
Procurement Notes
Verify the specific suffix (D)(TB) against official Everlight documentation to confirm exact packaging configuration and compliance status. Confirm availability as distribution channels may list this part as discontinued or limited stock. Ensure the ordering code matches the required reel or cut tape format for production integration.
Selection Notes
Select this component when surface mount isolation is required for low-speed digital signal transmission. Verify that the NPN phototransistor output type aligns with the receiving circuit design. Check that the 5000 Vrms isolation rating meets the safety requirements of the target application environment.
Part Context
This part belongs to the EL817 series of optocouplers, which are widely used for general-purpose isolation. The series typically includes various pin configurations and packaging options to accommodate different board layout constraints while maintaining consistent electrical performance characteristics across the family.
Replacement Considerations
Direct substitutes include other EL817 variants from Everlight such as EL817(S1)(D)(TA)-V or EL817S1(D)(TU)-F, provided the pinout and package dimensions are compatible. Cross-brand replacements require verification of CTR ranges and isolation voltages.
