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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：100% @ 1mA
- Current Transfer Ratio (Max)：200% @ 1mA
- Turn On / Turn Off Time (Typ)：6µs, 5.5µs
- Rise / Fall Time (Typ)：3.5µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：55V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.1V
- 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
- Grade：-
- Qualification：-
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Overview
The SFH618A-3X017T is a single-channel transistor output optocoupler from Vishay, featuring an NPN phototransistor. It operates with a maximum collector-emitter voltage of 55 V and a peak forward current of 60 mA. The device provides a high isolation voltage of 5300 Vrms and maintains a low coupling capacitance for signal integrity. Electrical characteristics include a typical rise time of 3.5 μs and a fall time of 5 μs. The unit is housed in a surface-mount SMD-4 package, suitable for automated assembly processes.
Feature Summary
- High current transfer ratio for efficient signal transmission
- Low coupling capacitance to minimize interference
- High isolation voltage ensuring electrical safety
Applications
- General-purpose signal isolation in industrial control systems
- Power supply feedback loops
- Microcontroller interface circuits requiring galvanic isolation
Procurement Notes
Verify the specific suffix X017T confirms the tape-and-reel packaging format required for surface-mount assembly lines. Ensure the component matches the SFH618A series specifications regarding the NPN phototransistor output configuration. Cross-reference the manufacturer datasheet to confirm compliance with relevant environmental standards before finalizing procurement orders.
Selection Notes
Select this component when a surface-mount footprint is required alongside high isolation requirements. The SFH618A series offers a balance of speed and current transfer efficiency. Consider the SMD-4 package dimensions against available board space. Verify that the 55 V collector-emitter voltage rating meets the load requirements of the target circuit application.
Part Context
This part belongs to the Vishay SFH618 family of transistor output optocouplers. The series is characterized by its use of a Gallium Arsenide infrared LED coupled with an NPN phototransistor. The family provides consistent performance across various packaging options, including through-hole DIP and surface-mount variants, catering to diverse manufacturing needs.
Replacement Considerations
Compatible substitutes within the same family include SFH618A-2 and SFH618A-5, which share identical pinouts and core electrical characteristics but differ in current transfer ratio bins or packaging formats.
