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EL817(S1)(B)(TB)-G
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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)-G is a surface-mount transistor output optocoupler manufactured by Everlight Electronics. It features an infrared emitting diode optically coupled to an NPN phototransistor in a compact SMD package. The device provides high isolation voltage between input and output circuits, ensuring signal integrity across different potentials. It operates within a wide temperature range and supports DC input applications.
Feature Summary
- High isolation voltage capability between input and output channels
- Compact surface-mount design suitable for automated assembly
- NPN phototransistor output configuration for digital switching
Applications
- Signal transmission between circuits of different potentials
- Solid-state relays and switching applications
- Data acquisition systems requiring electrical isolation
Procurement Notes
Verify the specific suffix codes against the manufacturer datasheet to confirm pinout compatibility and tape-and-reel specifications. Ensure the ordering code matches the required lead bend or spacing variant. Cross-reference RoHS compliance status with current regulatory requirements before finalizing procurement orders.
Selection Notes
Select this component when surface-mount technology is required for space-constrained designs. Verify that the NPN output type aligns with the load interface requirements. Confirm that the operating temperature range meets the environmental conditions of the target application without derating concerns.
Part Context
This part belongs to the EL817 series of photocouplers, which are widely used for general-purpose isolation. The S1 designation indicates a specific lead form factor optimized for surface mounting, while the TB suffix typically denotes tape-and-reel packaging for high-volume manufacturing efficiency.
Replacement Considerations
Publicly confirmed substitute part numbers for this specific Everlight variant were not identified in the provided documentation. Verify pinout and electrical characteristics carefully when considering generic equivalents from other manufacturers.
