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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：150% @ 5mA
- Turn On / Turn Off Time (Typ)：2µs, 25µs
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.25V
- Current - DC Forward (If) (Max)：60 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
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Overview
The SFH615AY-X018 is a single-channel surface-mount transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output with a maximum collector-emitter voltage of 70 V and a maximum collector current of 50 mA. The device provides high isolation capability with a rated insulation voltage of 5300 Vrms. Key electrical parameters include a forward current of 60 mA, a forward voltage of 1.65 V, and a power dissipation of 150 mW. The unit operates within a temperature range of -55°C to +100°C and utilizes a 4-SMD Gull Wing package.
Feature Summary
- Provides galvanic isolation between input and output circuits via an internal LED and phototransistor structure.
Applications
- General purpose signal isolation in industrial control systems
- Interface applications requiring high voltage isolation
- Single-channel DC input logic isolation
Procurement Notes
Verify the specific Current Transfer Ratio (CTR) bin required for the application, as variants such as X018 may differ from other suffixes like X009T or X008T. Confirm that the 4-SMD Gull Wing package aligns with the PCB footprint design. Ensure the 5300 Vrms insulation rating meets the safety requirements of the target system. Cross-reference the datasheet for precise thermal derating curves at elevated temperatures.
Selection Notes
Select this component when a surface-mount topology is preferred over through-hole alternatives like the SFH615A-3X016. Consider the 50 mA collector current limit and 70 V breakdown voltage for load compatibility. Evaluate the 150 mW power dissipation constraint against ambient operating conditions. This model is suitable for applications where space constraints necessitate SMD packaging while maintaining standard optocoupler performance characteristics.
Part Context
This part belongs to the SFH615 series of transistor output optocouplers. It shares functional similarities with through-hole counterparts but adapts the architecture for surface mount technology. The series is designed for general-purpose isolation tasks. Vishay Semiconductor Opto Division produces this family to meet diverse mounting and isolation voltage requirements across various electronic equipment categories.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. The DigiKey listing indicates the product is obsolete; however, no specific replacement part numbers are listed in the source text.
