ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
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：-30°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
Download product information
Overview
The SFH628A-3XSMT&R is a single-channel optocoupler manufactured by Isocom Components. It features a surface mount PDIP package with four pins and utilizes inverse parallel infrared LEDs paired with NPN silicon phototransistors. Key electrical parameters include a maximum forward current of 50 mA, an isolation voltage of 5.3 kVrms, and a typical rise time of 4 µs. The device supports a minimum current transfer ratio of 160% and a maximum of 500%, with a typical forward voltage of 1.5 V.
Feature Summary
- Features inverse parallel infrared light emitting diodes for AC input compatibility
- Utilizes NPN silicon phototransistor output for signal isolation
- Provides high insulation voltage capability for safety isolation
Applications
- AC mains detection circuits
- Solid-state relay driver interfaces
- General purpose signal isolation in industrial control systems
Procurement Notes
Verify the specific suffix '3X' against official manufacturer documentation to confirm exact pinout configuration and tape-and-reel specifications. Ensure compliance with RoHS directives as indicated in public listings. Cross-reference the part number with the latest datasheet revision to validate thermal characteristics and packaging details before finalizing procurement orders.
Selection Notes
Select this component when AC input sensing is required due to the integrated inverse parallel LED structure. The 5.3 kVrms isolation rating suits applications demanding robust galvanic separation. Consider the 4-pin SMD form factor for space-constrained PCB layouts requiring surface mount assembly techniques.
Part Context
This device belongs to the SFH628A series of optically coupled isolators. The series combines infrared emitters with silicon phototransistors to provide electrical isolation between input and output circuits. The specific model denotes a surface mount variant designed for automated placement processes.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official manufacturer cross-reference guides for verified alternatives.
