4N32-X000

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Number of Channels:	1
Voltage - Isolation:	5300Vrms
Current Transfer Ratio (Min):	500% @ 10mA
Current Transfer Ratio (Max):	--
Turn On / Turn Off Time (Typ):	5µs, 100µs (Max)
Rise / Fall Time (Typ):	--
Input Type:	DC
Output Type:	Darlington with Base
Voltage - Output (Max):	30V
Current - Output / Channel:	100mA
Voltage - Forward (Vf) (Typ):	1.25V
Current - DC Forward (If) (Max):	60mA
Vce Saturation (Max):	1V (Typ)
Operating Temperature:	-55°C ~ 100°C
Mounting Type:	Through Hole
Package / Case:	6-DIP (0.300", 7.62mm)
Supplier Device Package:	6-DIP
Base Part Number:	4N32

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Optoisolators - Transistor, Photovoltaic OutputOptoisolators, also known as optical isolators, are components used to provide electrical isolation between two circuits. In opto-isolators, light energy is used instead of an electrical connection or an amplifier to isolate the circuits. The 4N32-X000 optoisolator belongs to the category of optoelectronic devices known as transistor, photovoltaic output optoisolators. A 4N32-X000 optoisolator includes a LED or light-emitting diode (LED) light source, a lens positioned in front of the LED, a silicon-NPN transistor, and a collector-base photodiode. The LED emits a beam of light when activated, which is collected by the lens and converted into electrical energy. The photodiode collects this energy which is then converted into a transistor gate that opens and closes to activate the output stage.The 4N32-X000 provides isolation voltages up to 3.75KV RMS and is capable of switching up to 400 volts DC with a maximum collector-emitter voltage of 50V with a maximum collector current of 100mAp-p. The LED has a surge current of 200mA peak for up to 1ms pulse duration. The 4N32-X000 has an isolation resistance of 10G ohm minimum and an inherent capacitance of 1000pF maximum. The 4N32-X000 is commonly used in applications such as medical equipment, telecommunications, computer systems, power supplies, test and instrumentation equipment, and factory automation systems. It can be used to switch on and off DC and AC signals, to control relays or solenoids, and to provide a power controller. It is also used to transmit analog signals between circuits while providing electrical isolation.In terms of working principle, the 4N32-X000 optoisolator works by isolating the input circuit from the output circuit using a photovoltaic device. Light emitted from the LED is absorbed by the photodiode, which generates current that is then turned into a transistor gate. When the LED receives a signal, the output transistor is driven proportionally with the light intensity of the LED. This output current is then supplied to the output stage that is electrically isolated from the input circuit, providing the necessary electrical isolating properties. The 4N32-X000 is a reliable optoisolator suitable for a variety of applications due to its high isolation voltage, robust design, and low cost. It is suitable for use in situations where electrical isolation of devices is needed to prevent interference or damage from electrostatic discharge. It is also ideal for applications where signals must travel between circuits but do not require long transmission distances since it can only be used up to distances of approximately 10”.

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