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EL817(S1)(D)(TU)-V
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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)(TU)-V is a single-channel transistor output optocoupler manufactured by Everlight. It integrates an infrared emitting diode with an NPN phototransistor detector in a surface-mount 4-pin package. The device provides high isolation voltage of 5000 Vrms between input and output circuits. Key electrical parameters include a collector-emitter breakdown voltage of 35 V, a maximum forward current of 60 mA, and a typical forward voltage of 1.2 V. The current transfer ratio ranges from 300% to 600% at a forward current of 5 mA and collector-emitter voltage of 5 V. It operates within a temperature range of -55 °C to +110 °C.
Feature Summary
- High isolation voltage capability of 5000 Vrms ensures robust electrical separation between input and output circuits.
- Compact small outline surface-mount package design facilitates automated assembly and space-constrained layouts.
- Wide operating temperature range supports functionality in extreme environmental conditions up to +110 °C.
Applications
- Digital logic signal transmission and level shifting
- Power supply control and switching circuits
- Electrical insulation isolation between systems
Procurement Notes
Verify the specific suffix codes against the manufacturer's official datasheet to confirm pinout configuration and packaging type. Ensure compliance requirements such as RoHS status match project specifications. Cross-reference approval numbers like UL and VDE for safety certification needs. Confirm availability status as distribution channels may vary.
Selection Notes
Select this component when surface-mount technology is required for optocoupler applications. Consider the 5000 Vrms isolation rating for safety-critical interfaces. Evaluate the CTR range to ensure adequate signal transfer for the specific load conditions. Verify thermal management capabilities given the wide operating temperature range.
Part Context
This part belongs to the EL817 series of optocouplers produced by Everlight Electronics. The series typically includes various package options such as DIP and SMD configurations. The EL817 family is widely recognized for general-purpose isolation applications in industrial and consumer electronics.
Replacement Considerations
Check for direct pin-compatible alternatives within the same manufacturer's portfolio. Verify that substitute components meet the same isolation voltage and current transfer ratio specifications. Ensure the replacement package matches the existing footprint constraints.
