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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：SFH620A-2
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：63% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：AC, DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.65V
- 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 SFH620A-2SM is a single-channel optically coupled isolator manufactured by Isocom Components 2004 LTD. It features inverse parallel infrared light emitting diodes and an NPN silicon phototransistor output, designed for AC input applications. The device utilizes a 4-SMD Gull Wing surface-mount package. Key electrical specifications include a minimum isolation voltage of 5300 Vrms, a collector-emitter voltage (Vceo) of 70V, and a maximum forward voltage of 1.65V. Typical switching characteristics consist of a rise time of 4µs and a fall time of 3µs.
Feature Summary
- AC Input Compatibility: Utilizes inverse parallel infrared LEDs to facilitate direct AC signal coupling without external rectification components.
- High Voltage Isolation: Provides robust galvanic isolation between input and output circuits with a rated isolation voltage of 5300 Vrms.
- NPN Phototransistor Output: Employs an NPN silicon phototransistor for reliable digital switching and logic interface applications.
Applications
- Logic-to-logic isolation in noisy industrial environments
- Line receiver circuits
- Computer and peripheral device interfaces
Procurement Notes
Verify the specific suffix against official Isocom documentation to confirm pinout compatibility and package dimensions. Ensure the selected variant meets the required isolation voltage ratings for your safety standards. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if restricted substances are a constraint for your assembly process.
Selection Notes
Select this component when AC input driving is required without additional rectifier stages. The inverse parallel LED configuration simplifies circuit design for AC signals. Consider the 4-SMD package for automated surface-mount assembly processes. Evaluate the 70V collector-emitter voltage rating against the load requirements to ensure adequate headroom for switching operations.
Part Context
The SFH620A series represents Isocom's line of AC-input optocouplers, serving as industry-standard replacements for legacy components. These devices are engineered for high reliability in commercial and industrial settings. The series maintains consistency with established performance metrics while offering modern surface-mount packaging options for compact electronic designs.
Replacement Considerations
Publicly confirmed substitute part numbers for the SFH620A-2SM are not available in the provided source material. Verify functional equivalence with other AC-input optocouplers from different manufacturers based on pinout and electrical specifications before substitution.
