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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-DIP
- Series：SFH628A-2
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：63% @ 1mA
- Current Transfer Ratio (Max)：200% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：AC, DC
- Output Type：Transistor
- Voltage - Output (Max)：55V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.5V (Max)
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.400", 10.16mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
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Overview
The SFH628A-2XG is a single-channel optoisolator manufactured by Isocom Components. It features a transistor output type and utilizes a 4-DIP package for through-hole mounting. The device provides an isolation voltage of 5300Vrms, ensuring robust electrical separation between input and output circuits. Key specifications include a collector-emitter voltage rating and a current transfer ratio characteristic typical of the SFH628A series, designed for reliable signal transmission in isolated applications.
Feature Summary
- Consists of inverse parallel infrared light emitting diodes paired with NPN silicon photo transistors
- Provides high voltage isolation capability for circuit protection
- Designed for surface mount or through-hole integration depending on variant packaging
Applications
- General purpose signal isolation
- Industrial control systems
- Power supply feedback loops
Procurement Notes
Verify the specific suffix (e.g., -2XG) against official Isocom documentation to confirm pinout and packaging details. Ensure compliance with RoHS directives as indicated in component listings. Cross-reference datasheet revision dates to confirm parameter accuracy before integration into design schematics.
Selection Notes
Select this component when high isolation voltage is required for single-channel applications. Consider the DIP package format for prototyping or board layouts requiring through-hole assembly. Evaluate the current transfer ratio requirements against the load conditions to ensure adequate signal drive capability in the target application environment.
Part Context
The SFH628A series includes variants such as SFH628A-3XSMT&R and SFH628A-3X, offering different packaging options like surface mount PDIP or tube-packaged DIP. These components share the core architecture of inverse parallel LEDs and NPN phototransistors, providing flexibility in mounting styles while maintaining consistent optical isolation performance characteristics across the family.
Replacement Considerations
Direct substitutes within the SFH628A series include SFH628A-3X and SFH628A-4, which offer similar functional architectures but may differ in packaging or specific electrical ratings. Verify pin compatibility and isolation voltage ratings before substitution.
