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EL817(S1)(A)(TB)-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)：80% @ 5mA
- Current Transfer Ratio (Max)：160% @ 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)(A)(TB)-V is a surface-mount transistor output optocoupler manufactured by Everlight Electronics. It features a single channel with an NPN phototransistor output and offers 5000 Vrms isolation voltage. The device utilizes a compact 4-SMD package design, specifically configured for tape and reel handling (Type II). Key electrical parameters include a collector-emitter breakdown voltage of 35 V minimum, a maximum forward current of 60 mA, and a typical rise/fall time of 4 µs / 3 µs. The unit operates within a temperature range of -55°C to 110°C.
Feature Summary
- High isolation voltage capability between input and output circuits
- Compact surface-mount package configuration suitable for automated assembly
- NPN phototransistor output structure for DC signal transmission
Applications
- Industrial control systems requiring galvanic isolation
- Signal isolation in microprocessor-based circuits
- Power supply feedback loops
Procurement Notes
Verify the specific suffix configuration against the manufacturer datasheet to ensure compatibility with required packaging types and lead configurations. Confirm RoHS compliance status and regional certification approvals such as UL or VDE before integration into final designs.
Selection Notes
Select this component when surface-mount technology is required for high-isolation applications. Ensure the circuit design accommodates the specified forward current limits and thermal operating ranges. Verify that the NPN output characteristics match the load requirements of the receiving side.
Part Context
This part belongs to the EL817 series of photocouplers from Everlight Electronics. The series includes various package options such as DIP-4 and SMD variants. The EL817 family is widely recognized for providing reliable optical isolation in compact form factors for electronic signal transmission.
Replacement Considerations
Consult official substitution lists for compatible parts. Generic equivalents may differ in isolation voltage ratings or package dimensions. Verify pinout compatibility and electrical specifications before replacing.
