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EL817(S)(D)(TA)
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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)：300% @ 5mA
- Current Transfer Ratio (Max)：600% @ 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(S)(D)(TA) is a single-channel transistor output optocoupler manufactured by Everlight Electronics Co Ltd. It features an infrared emitting diode optically coupled to an NPN phototransistor detector. The device provides high isolation voltage of 5000 Vrms between input and output, with a creepage distance exceeding 7.62 mm. It operates within a temperature range of -55°C to +110°C and supports a maximum forward current of 50 mA. The component is RoHS compliant and available in a compact surface mount package.
Feature Summary
- High isolation voltage capability between input and output circuits
- Compact small outline surface mount package design
- Extended operating temperature range up to +110°C
- Compliant with global safety standards including UL, VDE, and SEMKO
Applications
- Power supply feedback loops
- Industrial control systems
- Appliance signal transmission
Procurement Notes
Verify the specific suffix codes (S, D, TA) against the manufacturer datasheet to confirm exact pinout, packaging type, and compliance certifications. Ensure the ordered part matches the required isolation voltage and thermal specifications for the target application environment.
Selection Notes
Select this component when surface mount technology is required for signal isolation in compact designs. Consider the 5000 Vrms isolation rating and wide temperature range for robust performance in industrial or appliance applications requiring reliable DC input to transistor output coupling.
Part Context
This part belongs to the EL817 series of optocouplers produced by Everlight Electronics. The series typically includes various package options such as DIP and SMD configurations. The EL817 family is widely recognized for providing cost-effective galvanic isolation solutions across multiple electronic industries.
Replacement Considerations
Check for direct substitutes like the EL817(S)(C)(TU) or other SMD variants within the same series that maintain identical electrical characteristics and pin compatibility.
