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EL817(S)(TB)-V
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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)：50% @ 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)(TB)-V 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 in a surface-mount package. The device provides high isolation voltage of 5000 Vrms between input and output circuits. Key electrical parameters include a minimum current transfer ratio of 200% at IF=5mA and VCE=5V, a maximum collector-emitter breakdown voltage of 35V, and a maximum forward current of 50mA. The component operates within a temperature range of -55°C to +110°C and complies with RoHS standards.
Feature Summary
- High isolation voltage capability of 5000 Vrms between input and output channels
- Compact small outline surface mount package design for space-constrained applications
- Compliant with international safety approvals including UL, VDE, SEMKO, and CSA
Applications
- Industrial control systems requiring galvanic isolation
- Signal isolation in communication equipment
- Switching power supply feedback loops
- Microcontroller input/output isolation interfaces
Procurement Notes
Verify the specific suffix (S)(TB)-V against official Everlight documentation to confirm surface mount configuration and tape-and-reel packaging details. Ensure compliance requirements such as RoHS and specific agency approvals match project specifications. Cross-reference datasheet revisions to confirm parameter consistency before finalizing procurement orders.
Selection Notes
Select this component when surface mount technology is required for optocoupler applications. The 5000 Vrms isolation rating suits high-voltage noise environments. Verify that the 35V collector-emitter voltage and 50mA forward current limits meet circuit design constraints. Consider thermal management capabilities within the specified -55°C to +110°C operating range for reliable performance.
Part Context
The EL817 series represents a family of transistor output optocouplers from Everlight Electronics. Variants differ primarily in packaging type, such as through-hole DIP or surface mount configurations, and reel specifications. The EL817(S)(TB)-V specifically denotes the surface mount version supplied in tape and reel format, maintaining the core optical coupling characteristics of the broader series.
Replacement Considerations
Direct substitutes may include other EL817 series variants with compatible pinouts and electrical ratings. Verify equivalent isolation voltage and current transfer ratio specifications. Confirm mechanical footprint compatibility for surface mount assembly processes before implementing alternative part numbers.
