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：OPTOISOLATOR 5KV 1CH TRANS 4-DIP
- Series：SFH628A-2
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- 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：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.400", 10.16mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
Download product information
Overview
The SFH628A-2G is a single-channel optocoupler featuring inverse parallel infrared LEDs and NPN silicon phototransistors. It supports AC input signals with a maximum forward voltage of 1.5V and a peak input current of 50 mA. The device provides an isolation voltage of 5 kVrms and operates within a current transfer ratio range of 63% to 200%. Packaged in a 4-pin DIP configuration, it ensures reliable electrical isolation for signal transmission.
Feature Summary
- AC input capability via inverse parallel LED structure
- High isolation voltage rating for safety
- NPN silicon phototransistor output
Applications
- AC line sensing circuits
- Solid-state relay driver interfaces
- Microcontroller isolation for AC loads
Procurement Notes
Verify the specific suffix 'G' against the manufacturer's official documentation to confirm RoHS compliance status and exact pinout configuration. Ensure the selected variant matches the required current transfer ratio specifications for the target application circuit design.
Selection Notes
Select this component when AC signal isolation is required without external rectification. The inverse parallel LED design simplifies circuit topology by handling bidirectional current flow directly. Verify that the phototransistor output current capabilities align with the load requirements.
Part Context
This part belongs to the SFH628A series of optically coupled isolators. The series utilizes inverse parallel infrared light emitting diodes paired with NPN silicon photo transistors. This architecture is specifically designed for applications requiring direct AC input signal processing and galvanic isolation.
Replacement Considerations
SFH628A-2XSMT&R
FAQ
How does the SFH628A-2G handle AC input signals?
It uses inverse parallel infrared LEDs to allow conduction during both positive and negative half-cycles of the AC input.
What is the isolation voltage rating?
The device provides an isolation voltage of 5 kVrms between the input and output sections.
