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EL817(S1)(A)(TD)
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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)(TD) is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features a compact surface-mount package with leads bent for mounting. The device provides high isolation voltage of 5000 Vrms between input and output. Key electrical parameters include a collector-emitter breakdown voltage of 35 V, a maximum forward current of 60 mA, and a typical rise/fall time of 4 µs/3 µs. It operates within a temperature range of -55 °C to 110 °C.
Feature Summary
- High isolation voltage capability between input and output circuits
- Compact dual-in-line style surface mount package design
- Transistor output configuration for signal isolation
Applications
- Industrial control systems requiring signal isolation
- Power management circuitry
- Communication equipment noise reduction
Procurement Notes
Verify the specific suffix (A)(TD) against official datasheets to confirm lead form and tape/reel specifications. Ensure RoHS compliance status matches project requirements. Cross-reference manufacturer part numbers with distributor listings to avoid obsolete or generic equivalents.
Selection Notes
Select this component when surface-mount assembly is required for isolated transistor outputs. Consider the 5000 Vrms isolation rating for safety barriers. Verify that the 35 V collector-emitter voltage meets load requirements. Check operating temperature limits for environmental compatibility.
Part Context
This part belongs to the EL817 series of photocouplers from Everlight. The series includes various package options such as DIP and SMD types. The EL817 family is widely used for general-purpose isolation in electronic designs due to its reliability and standard pinout compatibility.
Replacement Considerations
Equivalent parts include other 5000 Vrms transistor output optocouplers in SOP-4 packages. Verify pinout compatibility and CTR ranges before substitution. Common alternatives may require verification of specific mechanical dimensions and approval certifications.
