4N28S1(TB)-V

Output Type:	Transistor with Base
Supplier Device Package:	6-SMD
Package / Case:	6-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 110°C
Vce Saturation (Max):	500mV
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	--
Voltage - Output (Max):	80V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	3µs, 3µs
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	10% @ 10mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Optoisolators - Transistor, Photovoltaic Output

Optoisolators are one of the most reliable and dependable components in the world of circuitry, and the 4N28S1(TB)-V is no exception. By providing electrical isolation between two circuits, they are commonly used in applications where minimal contact between circuits is necessary. Though their intended use varies, their general working principle remains the same.The 4N28S1(TB)-V consists of an LED source and a phototransistor within the same package. The LED provides light radiation, acted upon by the phototransistor with its corresponding collector-emitter path. This conducts current across the device much in the same way a transistor normally would.The 4N28S1(TB)-V essentially functions as a switch that is managed by an LED, making it a great choice of component when a lack of physical contact between separate circuits is required. For example, using the optoisolator is advantageous in industrial assembly systems, where contact between two circuits may be hazardous.The 4N28S1(TB)-V also fulfills its purpose to suppress electromagnetic interference (EMI). By placing the LED in the input circuit and the phototransistor on the output circuit side, signals travelling through the LED and a tiny amount of leakage current are isolated from the output circuit side.The 4N28S1(TB)-V is also set apart from its miniaturized equivalent thanks to its voltage range, which starts from its cutoff point at 10V and reaches as far as 70V, allowing the device to manage much higher levels of current if necessary.Basically, the 4N28S1(TB)-V allows an electrical signal to be sent across a physical and electrical gap. This blanketing effect allows its users to protect their electrical devices from changing signals on the other side of the barrier. Furthermore, by providing an isolation barrier between two circuits, it prevents any short circuit situations from happening.Overall, the 4N28S1(TB)-V is a reliable and dependable component for almost any application requiring electrical isolation between two circuits. Small in size and highly efficient, it offers protection from interference and current surges, allowing its users to confidently and securely pass signals between two circuits without worries of EMI or short circuits.

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