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EL815(S1)(TB)
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH DARL 4-SMD
- Series：-
- Mfr：Everlight Electronics Co Ltd
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：600% @ 1mA
- Current Transfer Ratio (Max)：7500% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：60µs, 53µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：35V
- Current - Output / Channel：80mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：1V
- 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 EL815(S1)(TB) is a single-channel photodarlington output optocoupler manufactured by Everlight Electronics. It features a compact surface-mount package with tape and reel Type II configuration. The device provides high isolation voltage of 5000 Vrms between input and output circuits. Key electrical parameters include a minimum current transfer ratio of 600% at IF=1mA and VCE=2V, a maximum collector-emitter saturation voltage of 1V, and a maximum collector current of 80 mA. It operates within a temperature range of -55°C to +110°C.
Feature Summary
- High current transfer ratio for efficient signal transmission
- High isolation voltage ensuring circuit safety
- Compact surface-mount design for space-constrained applications
Applications
- Telephone sets
- Telephone exchangers
- Signal transmission between circuits of different potentials and impedances
Procurement Notes
Verify the specific suffix (S1)(TB) confirms the surface-mount tape and reel Type II packaging format. Confirm RoHS compliance status through official documentation as manufacturing practices may vary. Check for end-of-life or obsolescence notices from Everlight Electronics prior to finalizing procurement plans.
Selection Notes
Select this component when surface-mount assembly is required for high-gain isolation applications. Ensure the design accommodates the slow switching speeds typical of photodarlington outputs. Verify that the 35V collector-emitter voltage rating meets the load requirements of the target circuit interface.
Part Context
This part belongs to the EL815 family of transistor output optocouplers. Variants differ primarily in packaging, such as DIP or SMD options, and lead spacing configurations. The EL815 series is widely recognized for its reliability in industrial and communication equipment requiring galvanic isolation.
Replacement Considerations
Direct substitutes include other EL815 variants with compatible pinouts and electrical characteristics. Verify that alternative components match the specific surface-mount footprint and tape-and-reel specifications if automated assembly is utilized.
