4N32SM

Output Type:	Darlington with Base
Base Part Number:	4N32
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 100°C
Vce Saturation (Max):	1V
Current - DC Forward (If) (Max):	80mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	150mA
Voltage - Output (Max):	30V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	5µs, 100µs (Max)
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	500% @ 10mA
Voltage - Isolation:	4170Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tube

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Introduction:Optoisolators, also known as optocouplers, are isolation components used to couple electrical signals between two separate circuits. They are primarily used in DC power supplies, motor controls, and instrumentation. The 4N32SM series of optoisolators are transistor, photovoltaic output (T-PO), devices that provide isolation between two circuits when power is applied.Working Principle:The 4N32SM optoisolator consists of an LED optically coupled to a phototransistor. Light emitted from the LED is detected by the phototransistor. When power is applied to the input, the LED is energized, activating the phototransistor. The phototransistor then passes a current through the load, thus electrically isolating the input and output circuits.Application Field:4N32SM optoisolators are well suited for applicaiton in a wide variety of fields such as:

• DC Power Supplies: T-PO disks can be used in switches, converters, dimmer, and buck-boost transformers.
• Motor Controls: The 4N32SM can be used in motor drive and motor control systems to isolate noise and surge problems.
• Instrumentation: 4N32SM disks can be used in instrumentation for remote sensing, data acquisition, and control applications.
• Industrial Controls: The 4N32SM disks can be used for interface circuits between controllers and field devices.
• Communication Systems: T-PO disks can be used in modems, transceivers, and telephone systems to protect sensitive communications circuits.

The 4N32SM has various advantages over other optoisolator in terms of its applications, such as:

• High isolation voltage: The 4N32SM’s rated isolation voltage of 5,500 Vdc and its built-in diode make it suitable for many industrial applications.
• Low-power operation: The 4N32SM is designed to operate with a low input current of 30µA.
• High speed operation: The 4N32SM is designed for high-speed operation up to 200kHz.
• Optically-coupled output: The optically-coupled output eliminates electrical noise and radio frequency interference, common in many industrial applications.
• Low power consumption: The 4N32SM has a low power consumption due to its low input current requirements.

Conclusion:The 4N32SM optoisolator is an ideal choice for many applications in a wide variety of industries. Its high isolation voltage, low power operation, high speed operation, optically-coupled output, and low power consumption all make it well suited for a wide range of applications. With its various advantages, the 4N32SM optoisolator is the ideal choice for applications requiring a high level of isolation between two circuits.

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