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EL817(S1)(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(S1)(A)(TU)-G is a transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features a single channel with an NPN phototransistor output and operates within a temperature range of -55°C to +110°C. The device provides an isolation voltage of 5000 Vrms, ensuring reliable electrical separation between input and output circuits. It utilizes a surface-mount 4-SMD package configuration suitable for automated assembly processes.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits via optical transmission
- Integrates an infrared emitting diode with an NPN phototransistor for signal coupling
- Designed for surface-mount technology applications requiring compact form factors
Applications
- Industrial control systems for signal isolation
- Power supply feedback loops
- Communication equipment interface isolation
Procurement Notes
Verify the specific CTR binning associated with the 'A' suffix against the official Everlight datasheet to ensure it meets circuit requirements. Confirm that the 'TU' designation corresponds to the correct reel packaging specifications required for your manufacturing line. Cross-reference the RoHS compliance status in the latest environmental documentation before finalizing procurement orders.
Selection Notes
Select this component when a surface-mount transistor output optocoupler with high isolation voltage is required. Ensure the input forward current and output collector current ratings align with the target application's drive capabilities. Verify that the 4-SMD package dimensions fit the available PCB real estate constraints.
Part Context
This part belongs to the EL817 family of transistor output optocouplers produced by Everlight. The family includes various variants distinguished by CTR ranges and package types, such as DIP-4 or SMD configurations. The EL817 series is widely recognized for its reliability in general-purpose isolation applications across industrial and consumer electronics sectors.
Replacement Considerations
Check for direct substitutes like the EL817(S1)(B)(TU)-G or EL817(S1)(C)(TU)-G if different CTR bins are needed. Verify pinout compatibility and package dimensions before substituting with other manufacturers' equivalents.
