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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：SFH628A-3
- Mfr：Isocom Components 2004 LTD
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：100% @ 1mA
- Current Transfer Ratio (Max)：320% @ 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：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The SFH628A-3SMT&R is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a surface mount PDIP package with four pins. The device provides an isolation voltage of 5300Vrms and supports a collector current of 50 mA. It exhibits a minimum current transfer ratio of 100% at 1 mA input current. The component utilizes a transistor output configuration for signal transmission across the isolation barrier.
Feature Summary
- Single-channel optical isolation architecture
- Surface mount packaging format
- High voltage isolation capability
- Transistor output stage
Applications
- General purpose signal isolation
- Industrial control systems
- Consumer electronics interfaces
Procurement Notes
Verify the manufacturer part number SFH628A-3SMT&R against official Isocom Components documentation to ensure authenticity. Confirm that the surface mount PDIP package matches the required footprint. Check for any specific handling instructions related to the lead-free soldering process. Ensure the isolation voltage rating meets the safety requirements of the target application circuit design.
Selection Notes
Select this component when a single-channel isolation solution with high voltage withstand capability is required. The 5300Vrms rating suits applications demanding robust electrical separation. The 100% current transfer ratio ensures efficient signal coupling. Consider the surface mount form factor for automated assembly processes and space-constrained board layouts.
Part Context
This part belongs to the SFH628A series of optocouplers from Isocom Components. The series offers various channel counts and package options. The SFH628A-3SMT&R specifically denotes the single-channel variant in a surface mount package. It complements other models in the family designed for different isolation and packaging needs.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with existing designs before considering alternative components from other manufacturers.
