H11AA3 Allicdata Electronics

H11AA3 Isolators

Allicdata Part #:

H11AA3EL-ND

Manufacturer Part#:

H11AA3

Price: $ 0.15
Product Category:

Isolators

Manufacturer: Everlight Electronics Co Ltd
Short Description: OPTOISO 5KV TRANS W/BASE 6DIP
More Detail: Optoisolator Transistor with Base Output 5000Vrms ...
DataSheet: H11AA3 datasheetH11AA3 Datasheet/PDF
Quantity: 1000
1040 +: $ 0.14118
Stock 1000Can Ship Immediately
$ 0.15
Specifications
Series: --
Packaging: Tube 
Part Status: Active
Number of Channels: 1
Voltage - Isolation: 5000Vrms
Current Transfer Ratio (Min): 50% @ 10mA
Current Transfer Ratio (Max): --
Turn On / Turn Off Time (Typ): 10µs, 10µs (Max)
Rise / Fall Time (Typ): 10µs, 10µs (Max)
Input Type: AC, DC
Output Type: Transistor with Base
Voltage - Output (Max): 80V
Current - Output / Channel: --
Voltage - Forward (Vf) (Typ): 1.2V
Current - DC Forward (If) (Max): 60mA
Vce Saturation (Max): 400mV
Operating Temperature: -55°C ~ 100°C
Mounting Type: Through Hole
Package / Case: 6-DIP (0.300", 7.62mm)
Supplier Device Package: 6-DIP
Description

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Optoisolators, also known as optocouplers, optical couplers, or photocouplers, are semiconductor devices used to convey electrical signals across a gap between two systems in order to reduce electrical noise or interference. A typical optoisolator uses a light emitting diode (LED) to provide an optical link between a logic circuit and an isolated control circuit. It acts as an isolation barrier between two circuits while allowing a controller to control a system. The optoisolator contains both optical and electrical components so that electrical signals can be conveyed from one electrical circuit to another without electrically connecting them. An optoisolator is generally composed of an LED, a photosensor, and a couple of transistors to provide the required isolation.

The H11AA3 optoisolator is used in many applications including switching relays, voltage isolation, advanced sensor monitoring, signal isolators, and pulse transformers. It consists of an LED and a photosensitive transistor housed in a 4-pin package. The LED is used to supply the input signal, which is inverted by the optocoupler, and drives the output transistor. The LED is optically coupled to the input side of the optoisolator, and the output current of the optocoupler passes to the collector of the output transistor.

The H11AA3 has two distinct modes of operation: photovoltaic, and transistor output. In the photovoltaic mode, the LED is used to provide the input, and the output voltage is produced by the photosensor. This type of optoisolator is often used in sensing applications such as temperature sensors or when the input impedance of the load is high. In the transistor output mode, the LED is used to provide the input signal, and the output current is supplied by the photosensor. This type of optoisolator is used in switching applications such as relays or solenoids.

The working principle of the H11AA3 optoisolator is based on a couple of transistors. One is used to drive the LED, and the other is used to detect the current produced by the photosensitive transistor. The LED emits light when current is passed through it, and the current produced by the LED is detected by the photosensitive transistor. The output current is then passed through the output transistor, which is connected to the load. The voltage of the load is determined by the turn off voltage of the output transistor.

The H11AA3 optoisolator is a popular choice for a wide variety of applications due to its ability to provide electrical isolation between two circuits while allowing signals to be transmitted across the gap. It is typically used in switch relays, advanced sensor monitoring, voltage isolation, signal isolation and pulse transformers. The optoisolator offers the advantages of low power consumption, low cost, and reliable operation.

The specific data is subject to PDF, and the above content is for reference

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