EL815(S1)(TA)

Description：OPTOISOLATOR 5KV 1CH DARL 4-SMD
Series：-
Mfr：Everlight Electronics Co Ltd
Package：Tape & Reel (TR)

SKU:1cfe6090a5f3 Category: Transistor, Photovoltaic Output Optoisolators Brand: Everlight Electronics Co Ltd

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Product introduction

Product Detailed Parameters

Description：OPTOISOLATOR 5KV 1CH DARL 4-SMD
Series：-
Mfr：Everlight Electronics Co Ltd
Package：Tape & Reel (TR)
Number of Channels：1
Voltage - Isolation：5000Vrms
Current Transfer Ratio (Min)：600% @ 1mA
Current Transfer Ratio (Max)：7500% @ 1mA
Turn On / Turn Off Time (Typ)：-
Rise / Fall Time (Typ)：60µs, 53µs
Input Type：DC
Output Type：Darlington
Voltage - Output (Max)：35V
Current - Output / Channel：80mA
Voltage - Forward (Vf) (Typ)：1.2V
Current - DC Forward (If) (Max)：60 mA
Vce Saturation (Max)：1V
Operating Temperature：-55°C ~ 110°C
Mounting Type：Surface Mount
Package / Case：4-SMD, Gull Wing
Supplier Device Package：4-SMD
Grade：-
Qualification：-

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EL815(S1)(TA)

Overview

The EL815(S1)(TA) is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features a Photodarlington output configuration housed in a 4-pin SMD package. Key electrical parameters include an isolation voltage of 5000 Vrms, a collector-emitter saturation voltage of 1 V maximum, and a forward voltage of 1.4 V. The device supports a maximum collector current of 80 mA and operates within a temperature range of -55°C to +110°C. Current transfer ratio ranges from 50% to 600%, with rise and fall times of 300 µs and 250 µs respectively.

Feature Summary

High isolation voltage capability for safe signal transmission between isolated circuits
Photodarlington output structure providing high current transfer ratio for sensitive detection
Compact surface-mount packaging suitable for automated assembly processes

Applications

Telephone sets
Telephone exchangers

Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS compliance details as specified in official documentation. Ensure storage conditions maintain integrity prior to soldering. Validate pinout compatibility with target PCB footprint design before integration into production workflows.

Selection Notes

Choose this component when high gain is required for low-level input signals. The photodarlington output offers superior sensitivity compared to standard phototransistors. Consider thermal management requirements given the operating temperature range. Verify isolation voltage ratings meet system safety standards for the intended application environment.

Part Context

This part belongs to the EL815 series of photocouplers designed for general-purpose isolation applications. The S1 suffix indicates specific tape and reel packaging options. The TA suffix denotes specific lead frame or material specifications defined by the manufacturer. This series provides reliable galvanic isolation for digital signal transmission in industrial and consumer electronics.