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EL816(S1)(C)(TU)
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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)：200% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- 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
- Grade：-
- Qualification：-
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Overview
The EL816(S1)(C)(TU) is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It features a GaAsP infrared LED coupled to an NPN phototransistor within a compact surface-mount package. The device provides high isolation voltage of 5000 Vrms between input and output circuits. Key electrical parameters include a collector-emitter breakdown voltage of 80 V, maximum forward current of 60 mA, and collector current of 50 mA. The current transfer ratio ranges from 100% to 200% at a forward current of 5 mA. It operates within a temperature range of -55 °C to +110 °C.
Feature Summary
- Provides galvanic isolation between input and output circuits using an infrared LED and NPN phototransistor configuration.
- Features a compact surface-mount design suitable for automated assembly processes.
- Complies with RoHS standards and holds UL and VDE safety approvals for industrial applications.
Applications
- Signal isolation in microprocessor control systems
- Switching power supply feedback loops
- Solid-state relay driver circuits
Procurement Notes
Verify the specific suffix codes against the manufacturer's official datasheet to ensure correct pinout and performance characteristics. Confirm that the ordered component matches the required isolation voltage and current transfer ratio specifications for the intended circuit design before finalizing procurement.
Selection Notes
Select this component when high isolation voltage and small form factor are required for signal transmission. Ensure the application demands a transistor output type rather than a logic gate or thyristor output. Verify that the operating temperature range meets the environmental conditions of the target system.
Part Context
This part belongs to the EL816 series of optocouplers, which are widely used for electrical isolation. The S1 designation typically indicates a specific lead pitch or package variation compared to standard DIP versions. The TU suffix denotes tape and reel packaging for surface-mount technology integration.
Replacement Considerations
Equivalent parts include PC817 variants from other manufacturers. Verify pin compatibility and electrical ratings such as CTR and isolation voltage before substitution. Ensure the replacement component meets the same safety certifications required by the original design.
