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EL817(S)(A)(TA)-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)(TA)-G is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an NPN phototransistor output and provides high isolation voltage of 5000 Vrms between input and output. The device is designed for surface mount applications, utilizing a 4-SMD package configuration with tape and reel packaging (Type I). 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 range of 4 µs / 3 µs. The unit weight is specified as 260 mg.
Feature Summary
- High isolation voltage capability between input and output circuits
- Surface mount compatible design with standard SMD footprint
- NPN phototransistor output configuration for DC signal transmission
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission in measurement and testing equipment
- Power supply feedback loops for circuit protection
Procurement Notes
Verify the specific suffix TA indicates Type I tape and reel packaging suitable for automated surface mount assembly processes. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the procurement channel provides traceable component history to maintain quality standards for industrial applications.
Selection Notes
Select this component when surface mount technology is required for single-channel isolation. Compare against DIP variants if through-hole mounting is necessary. Verify that the 5000 Vrms isolation rating meets system safety requirements. Check CTR specifications against load conditions to ensure reliable switching performance within the operating temperature range.
Part Context
This part belongs to the EL817 series of photocouplers from Everlight. The series includes various package options such as DIP-4 and SMD configurations. The EL817 family is widely recognized for providing cost-effective isolation solutions with standardized pinouts and electrical characteristics suitable for general-purpose digital signal transfer.
Replacement Considerations
Direct substitutes include other EL817 series variants with matching SMD footprints and electrical ratings. Cross-reference datasheets to verify compatibility of isolation voltage and current transfer ratios before substitution.
