H21B2 Allicdata Electronics
Allicdata Part #:

H21B2-ND

Manufacturer Part#:

H21B2

Price: $ 0.00
Product Category:

Sensors, Transducers

Manufacturer: ON Semiconductor
Short Description: SENSOR OPTO SLOT 3MM DARL THRU
More Detail: Optical Sensor Transmissive 0.118" (3mm) Photodarl...
DataSheet: H21B2 datasheetH21B2 Datasheet/PDF
Quantity: 1000
Stock 1000Can Ship Immediately
Specifications
Series: --
Packaging: Tube 
Part Status: Obsolete
Sensing Distance: 0.118" (3mm)
Sensing Method: Transmissive
Output Configuration: Photodarlington
Current - DC Forward (If) (Max): 50mA
Current - Collector (Ic) (Max): 40mA
Voltage - Collector Emitter Breakdown (Max): 30V
Response Time: 7µs, 45µs
Operating Temperature: -55°C ~ 100°C
Mounting Type: Through Hole, Flange
Package / Case: Slotted, PC Pins
Type: Unamplified
Description

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The H21B2 slot type photointerrupter is a type of optical sensor that utilizes a transistor output to detect light. This type of device is helpful in various applications, such as sensing object distances, monitoring user activity, and detecting motion. It is commonly used in a wide range of industries, including automation, automotive, consumer electronics, industrial control, and healthcare.

A slot type photointerrupter is essentially a device that consists of two parts: an emitter and a receiver. The emitter is a light source, usually an LED, which emits light waves towards the receiver. The receiver, also known as a photosensitive element, is typically a phototransistor, and it converts the incident light waves into an electrical signal. If the light is interrupted, the electrical signal is stopped, which then triggers the output.

The H21B2 slot type photointerrupter is a kind of self-contained optical detector, meaning that the emitter and receiver are integrated into one unit. This type of device is usually used for sensing on-off type signals, as it can detect when some light is blocked. Its narrow detection slot ensures that the device is able to accurately identify when an object has been detected. Additionally, the H21B2 boasts an extremely fast response time, meaning it is able to efficiently detect objects moving at high speeds.

The H21B2 slot type photointerrupter also provides various features, such as a wide operating voltage range and high electrical isolation. The operating voltage range of the device ranges from 9 volts to 24 volts, which is suitable for many applications that require minimal power. Furthermore, the high electrical isolation of the device ensures that it is able to effectively block out interference from other objects that might be in close proximity. This helps to keep the data signal stable and accurate.

The H21B2 also provides a transistor output, meaning that it uses a transistor as an output to detect light. This type of output helps to reduce the number of components that are needed in a circuit, as it reduces the need for additional transistors or receivers. Additionally, it has the added benefit of making the connection simpler and saving time during the installation process. The transistor output also offers a lower current draw, which helps to conserve energy.

The H21B2 slot type photointerrupter is an efficient and reliable optical device that can be utilized in a variety of applications. It has a wide operating voltage range, a fast response time, and a transistor output to help reduce the number of components that are needed in a circuit. Furthermore, its high electrical isolation helps to block out interference from other nearby objects. With these features, the H21B2 is an ideal device for various industries that require an accurate way to sense distance or motion.

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

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