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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)：160% @ 10mA
- Current Transfer Ratio (Max)：320% @ 10mA
- Turn On / Turn Off Time (Typ)：3µs, 2.3µs
- Rise / Fall Time (Typ)：2µs, 2µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.35V
- 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 SFH615A-4X018T is a single-channel surface-mount optocoupler featuring an infrared LED and NPN phototransistor. It provides 5300Vrms isolation voltage with a typical forward voltage of 1.35V and maximum DC forward current of 60mA. The device supports a collector-emitter voltage of 70V, output current of 50mA, and power dissipation of 150mW. Current transfer ratio ranges from 160% to 320%. Operating temperatures span -55°C to +100°C, with typical rise and fall times of 3μs and 2.3μs respectively.
Feature Summary
- High isolation voltage capability for safe galvanic separation
- Surface-mount package design for automated assembly
- Fast switching response suitable for digital signal transmission
Applications
- Digital logic signal transmission and conversion
- Power supply control and switching circuits
- Electrical insulation between circuit stages
- Impedance transformation in isolated systems
Procurement Notes
Verify the specific suffix X018T matches required packaging and reel specifications. Confirm Vishay Semiconductor Opto Division origin. Check RoHS compliance status. Validate isolation voltage ratings against application safety standards. Ensure temperature range suitability for target environment.
Selection Notes
Select this component when high isolation voltage and surface-mount form factor are required. Consider the fast switching speeds for digital applications. Evaluate the current transfer ratio requirements for signal integrity. Compare thermal performance within the specified operating range. Assess mechanical fit for PCB layout constraints.
Part Context
This part belongs to Vishay's SFH615A series of transistor-output optocouplers. It shares architectural similarities with through-hole variants like VO615A but utilizes a surface-mount package. The series focuses on providing reliable electrical isolation for industrial and consumer electronics applications requiring compact footprint solutions.
Replacement Considerations
SFH615A-4X017T offers similar electrical characteristics but may differ in packaging or CTR range. VO615A-4 serves as a through-hole alternative with comparable performance metrics. Verify pinout compatibility and isolation voltage ratings before substitution.
