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Product Detailed Parameters
- Description：OPTOISO 4.47KV 1CH TRANS 4-SMD
- Series：SFH617A
- Mfr：Isocom Components 2004 LTD
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：4470Vrms
- Current Transfer Ratio (Min)：100% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.65V (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：-
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Overview
The SFH617A-3XSMT&R is a surface mount optocoupler manufactured by Isocom Components 2004 LTD. It features a single channel with a transistor output and utilizes a 4-pin SMD package. The device provides an isolation voltage of 4470Vrms, supporting up to 50 mA input current. Key electrical parameters include a maximum current transfer ratio of 100% and a typical rise time of 2µs.
Feature Summary
- Integrates infrared light emitting diodes with NPN silicon phototransistors for signal transmission
- Provides high-voltage electrical isolation between input and output circuits
- Designed for surface mount assembly in compact electronic applications
Applications
- General purpose signal isolation
- Industrial control systems
- Communication equipment
Procurement Notes
Verify the specific manufacturer designation and component status before procurement. Confirm that the surface mount package type matches the design requirements. Ensure the isolation voltage rating meets the safety standards of the target application. Cross-reference the part number with official distributor catalogs to confirm availability and authenticity.
Selection Notes
Select this component when a single-channel transistor output isolator is required for surface mount designs. Consider the 4470Vrms isolation capability for safety-critical interfaces. Evaluate the 100% current transfer ratio against circuit gain requirements. Verify compatibility with standard SMD reflow processes during integration.
Part Context
This component belongs to the SFH617A series of optocouplers from Isocom Components 2004 LTD. The series includes variants with different pin counts and mounting styles. The SFH617A-3X variant specifically denotes the surface mount configuration with four pins, distinguishing it from through-hole alternatives within the same product family.
Replacement Considerations
The SFH617A-3SMT&R is listed as an equivalent or substitute part. Verify functional compatibility regarding pinout and electrical characteristics before substitution.
