H11A817BSD

Output Type:	Transistor
Supplier Device Package:	4-SMD
Package / Case:	4-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	200mV
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	50mA
Voltage - Output (Max):	70V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	2.4µs, 2.4µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	260% @ 5mA
Current Transfer Ratio (Min):	130% @ 5mA
Voltage - Isolation:	5300Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction
Optoisolators are components that utilize light energy to create a barrier between two electrical circuits. Light is used to transfer energy across the barrier, and the two circuits remain isolated and unconnected electrically. Isolation devices such as optoisolators provide a high level of electrical isolation and are used to protect sensitive circuits and equipment from communicating with the outside world. The H11A817BSD optoisolator is a component with a transistor, photovoltaic output, which is used to provide electrical isolation between two circuits.Working Principle and Features
H11A817BSD optoisolators feature a photovoltaic output, which enables a high level of electrical isolation and circuit protection. The optoisolator consists of an LED and a phototransistor, both of which are housed in the same package. The LED is driven by a voltage applied between the anode and cathode, and it emits light which is received by the phototransistor. The phototransistor will conduct current when the LED light is present. This current can be used to control other circuits or devices.Advantages
H11A817BSD optoisolators offer several advantages over other types of optoisolators. One of the biggest advantages is the high level of electrical isolation that is provided. The LED and phototransistor are both housed within the same package, which provides extra protection from outside interferences that may affect the performance of the circuit. The device has a wide operating temperature range, making it suitable for a variety of applications. The electrical isolation provided by the device is unaffected by changes in supply voltage, temperature, or humidity. Applications
H11A817BSD optoisolators are used in many different applications, including automotive, industrial, and consumer electronics. In automotive applications, the optoisolators can be used to monitor the level and flow of fuel, provide an alarm signal when the tank is nearly empty, and provide electrical isolation between the gauges and the ECU. In industrial applications, the optoisolators are used to isolate hazardous voltages from circuits in order to protect personnel from shock hazards associated with those voltages. In consumer electronics, they can be used as gate drivers for power MOSFETs and IGBTs, as isolators for high-voltage switching applications, and for high-voltage signal isolation in applications such as digital logic circuits.Conclusion
The H11A817BSD optoisolator is a component that utilizes light energy to create a barrier between two electrical circuits. It features a photovoltaic output, which enables a high level of electrical isolation and circuit protection. The device has a wide operating temperature range, making it suitable for a variety of applications, from automotive to industrial to consumer electronics. These advantages make it an ideal solution for applications where a high degree of isolation between two circuits is desired.

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