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DPC357S-B-TR-V
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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：DPC357
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：18µs, 18µs (Max)
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.25V
- 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-SOP
- Grade：-
- Qualification：-
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Overview
The DPC357S-B-TR-V is a photodiode output optocoupler manufactured by Diodes Incorporated. It features a single channel with an SOP-4 surface-mount package. The device provides electrical isolation with a rated insulation voltage of 5000 Vrms. It is designed for applications requiring high-speed signal transmission and robust noise immunity in isolated circuits.
Feature Summary
- Photodiode output architecture for high-speed response
- SOP-4 surface-mount packaging for compact integration
- High insulation voltage rating for safety isolation
Applications
- High-speed digital communication interfaces
- Isolated data transmission systems
- Noise-immune signal coupling in industrial equipment
Procurement Notes
Verify the specific suffix 'B' against official Diodes Incorporated documentation to confirm exact binning or testing criteria, as suffixes often denote manufacturing variations rather than functional differences. Ensure the component matches the required SOP-4 footprint and lead finish specifications for your assembly process. Cross-reference the datasheet revision date to ensure compliance with current RoHS directives and material declarations before finalizing procurement.
Selection Notes
Select this component when high-speed signal integrity is critical, as photodiode outputs typically offer faster switching speeds compared to standard phototransistor alternatives. Consider the SOP-4 package constraints for PCB layout density. Evaluate the 5000 Vrms insulation requirement against system safety standards. Verify that the input forward current and output drive capabilities align with the connected logic levels without additional buffering.
Part Context
This part belongs to the DPC357S series of photodiode output optocouplers from Diodes Incorporated. The series is characterized by its use of a gallium arsenide infrared LED coupled with a silicon photodiode detector. This configuration distinguishes it from transistor-output variants like the DPC817 series, offering superior bandwidth and linearity for demanding isolation applications.
Replacement Considerations
Direct replacements include other photodiode output optocouplers in SOP-4 packages such as the HCPL-2630 or ILD2xx series, provided pinouts and electrical characteristics match. Verify that substitute parts meet the same 5000 Vrms insulation rating and speed requirements.
