onsemi Optoisolators - Transistor, Photovoltaic Output - 4N31SD 4N31SD

Manufacturer: Fairchild/ON Semiconductor
Win Source Part Number: 1005767-4N31SD
Packaging: Reel - TR
Mounting: SMD (SMT)
Output Type: Darlington with Base
Forward Voltage: 1.2V
Input Type: DC
Number of Channels: 1
Vce Saturation (Max): 1.2V
Isolation Voltage: 5300Vrms
Categories: Isolators
Status: Obsolete(EOL)
Temperature Range - Operating: -55°C to 100°C
Case / Package: 6-SMD
Minimum DC Current Transfer Ratio: 50% @ 10mA
Switching Turn-On and Turn-Off Time: 5μs, 40μs (Max)
Maximum Output Voltage: 30V
Channel Output Current: 150mA
Continuous forward current- Max: 80mA
Popularity: Medium
Fake Threat In the Open Market: 54 pct.
Supply and Demand Status: Balance

Optocoupler, 150mA, 30V, 5.3kV Isolation, SMD Product overview: 4N31SD from onsemi is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include SMD, 150mA, 30V, 5.3kV. Search-friendly keywords include transistor, BJT, switching, amplification, SMD, 150mA, 30V, 5.3kV, Bipolar Transistor, Transistor, Photovoltaic Output Optoisolators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 903-4N31SD can be used for catalog matching and distributor lookup.