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EL817(S1)(B)(TB)-VG
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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)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 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)(B)(TB)-VG is a single-channel transistor output optocoupler manufactured by Everlight Electronics. It integrates an infrared emitting diode and an NPN phototransistor within a compact surface-mount package. The device provides high isolation voltage between input and output circuits, ensuring signal integrity in electrically noisy environments. Key electrical characteristics include a collector-emitter breakdown voltage of 35V and a maximum forward current of 50mA. The component operates across a wide temperature range from -55°C to +110°C.
Feature Summary
- High isolation voltage capability between input and output sections
- Compact surface-mount package design for automated assembly
- Wide operating temperature range suitable for industrial applications
Applications
- Signal transmission between circuits of different potentials
- Interface circuits in programmable logic controllers
- Isolation in measuring instruments and telecommunication equipment
Procurement Notes
Verify the specific suffix configuration against the manufacturer datasheet to ensure compatibility with required lead forms and tape specifications. Confirm RoHS compliance status and regional regulatory approvals such as UL or VDE recognition before integration into final designs. Cross-reference part numbers with official Everlight documentation to avoid substitution errors.
Selection Notes
Select this component when surface-mount technology is required for space-constrained designs. Ensure the circuit design accommodates the specified isolation voltage and thermal operating limits. Consider the current transfer ratio requirements relative to the driving source capabilities. Verify that the package dimensions align with the printed circuit board layout constraints.
Part Context
This device belongs to the EL817 series of photocouplers, which are widely used for electrical isolation. The series offers various packaging options including through-hole and surface-mount configurations. The specific model denotes a surface-mount variant with defined lead forms and reel packaging standards established by the manufacturer.
Replacement Considerations
Consult official Everlight documentation for verified substitute part numbers within the same product family. Ensure any replacement maintains identical pinout, isolation ratings, and package dimensions. Generic equivalents may not match specific performance parameters or approval certifications.
