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EL817(S)(A)(TU)-G
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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)：80% @ 5mA
- Current Transfer Ratio (Max)：160% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：6µs, 8µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- 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(S)(A)(TU)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features a 4-SMD gull-wing package and provides 5000 Vrms isolation between input and output circuits. The device operates within a temperature range of -55°C to 110°C. Key electrical parameters include a maximum collector-emitter breakdown voltage of 35V, a maximum forward current of 60mA, and a typical rise/fall time of 4µs/3µs. The component is RoHS compliant and UL recognized.
Feature Summary
- Provides high isolation voltage between input and output circuits
- Compact surface-mount dual-in-line compatible package design
- Compliant with international safety standards including UL and VDE approvals
Applications
- General purpose signal isolation in industrial control systems
- Microcontroller interface circuits requiring galvanic separation
- Power supply feedback loops for voltage regulation
Procurement Notes
Verify the specific CTR bin designation corresponding to the suffix A against the manufacturer datasheet before procurement. Confirm that the 4-SMD gull-wing package dimensions match the target PCB footprint requirements. Ensure compliance with RoHS directives and relevant safety agency recognitions required for the end application environment.
Selection Notes
Select this component when a surface-mount solution is required for single-channel isolation applications. Consider the 5000 Vrms isolation rating for noise immunity needs. Evaluate the thermal operating range limits against the expected ambient conditions. Compare pin compatibility with through-hole equivalents if board space constraints allow for alternative packaging options.
Part Context
This part belongs to the EL817 series of transistor output optocouplers from Everlight. The series offers various isolation ratings and package configurations. The SMD variant facilitates automated assembly processes. The family is widely used in consumer electronics and industrial equipment for signal transmission across isolated boundaries.
Replacement Considerations
Cross-reference with other EL817 SMD variants such as EL817(S)(B)(TU)-G or EL817(S)(C)(TU)-G if different CTR bins are needed. Verify pinout compatibility with direct replacements from other manufacturers offering equivalent DIP-4 to SMD conversions.
