PC851XNNIP0F Isolators

Output Type:	Transistor
Supplier Device Package:	4-SMD
Package / Case:	4-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-25°C ~ 100°C
Vce Saturation (Max):	300mV
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	50mA
Voltage - Output (Max):	350V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	4µs, 5µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	40% @ 5mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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The PC851XNNIP0F is an optoisolator type, utilizing a transistor and photovoltaic output and part of the NVE Optocoupler family. It consists of a gallium arsenide infrared emitting diode optically coupled to an integrated phototransistor detector. The optocoupler provides electrical isolation between the input and output, making it ideal for obtaining electrical isolation between two isolated circuits.The PC851XNNIP0F is a digital optocoupler designed to interface two isolated, yet compatible, circuits. It is mainly used to couple logic signals, but can also be employed in low current applications such as general purpose isolation or interfacing with high-speed devices. It is suitable for a broad range of applications such as telecom systems, factory automation, medical technologies, consumer electronics, automotive and measuring instruments. In addition, it can be used for mission-critical applications such as power management in harsh environments because of its 4.5 kV optical isolation.The optical isolation of the PC851XNNIP0F provides the necessary electrical isolation which prevents any false triggers due to noise in the power supply. As there is no direct electrical connection between the input and output, no energy from the input side is transferred to the output side. The optocoupler keeps the output isolated from the input and blocks any spikes, noise, surges or transients which could otherwise cause a false output.The PC851XNNIP0F is a photovoltaic transistor output optocoupler and consists of an infrared LED emitter and phototransistor detector. The LED emitter produces a light signal which is received by the phototransistor. When the current is applied to the LED, it produces light which is then detected by the phototransistor, triggering it to conduct. The current then travels through the phototransistor to the output side, producing a voltage or current output depending on the state of the inputs.In summary, the PC851XNNIP0F is an optoisolator type transistor and photovoltaic output optocoupler that provides electrical isolation between two compatible circuits and prevents false triggering due to noise, spikes or transients. By using the optocoupler, it can be used for mission-critical applications such as power management in harsh environments due to its high electrical isolation which is up to 4.5kV. Its major application areas are telecom systems, factory automation, medical technologies, consumer electronics, automotive and measuring instruments.

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