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Photo Sensor Product List and Ranking from 5 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.

Photo Sensor Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.

  1. 新光電子 Tokyo//Electronic Components and Semiconductors
  2. 日本アレフ 営業本部 Tokyo//Machine elements and parts
  3. ユニテク Kanagawa//Electronic Components and Semiconductors
  4. 4 キャドクロン Kanagawa//Industrial Electrical Equipment
  5. 4 null/null
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Photo Sensor Product ranking

Last Updated： Aggregation Period:Sep 03, 2025～Sep 30, 2025
This ranking is based on the number of page views on our site.

  1. Through-type photo sensor KI3994 新光電子
  2. Separated type photo sensor KB1242 新光電子
  3. Separated high-performance photo sensor 日本アレフ 営業本部
  4. 4 Separate type photo sensor KB1284 新光電子
  5. 4 Separated type photo sensor KB3390 新光電子

Photo Sensor Product List

106～120 item / All 151 items

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Through-type photo sensor KI5240

Through-type photo sensor KI5240

A photo interrupter that combines an infrared light-emitting diode on the emitting side and a photo IC (digital output) on the receiving side.

The KI5240 is a photo interrupter that combines an infrared light-emitting diode on the emitting side and a photo IC (digital output) on the receiving side. - Easy installation with a snap structure - Wide detection groove width: 7mm - Deep detection groove: 10mm - Built-in amplifier, open collector output type - Built-in LED current limiting resistor type - Connector with a strong locking mechanism to prevent disconnection It has features such as these. For more details, please contact us or refer to the catalog.

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Through-type photo sensor KI5264

Through-type photo sensor KI5264

Dust-proof type! It is a compact photo interrupter with analog output.

The KI5264 is a compact photo interrupter with analog output and dust-proof design. For more details, please contact us or refer to the catalog.

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Through-type photo sensor KI5770, KI5771

Through-type photo sensor KI5770, KI5771

Dust-proof type! It is a photo interrupter with digital output.

KI5770 and KI5771 are dust-proof photo interrupters with digital output. Their dust-proof structure makes them less susceptible to the effects of dust. They have high detection accuracy, with a slit width of 0.5 mm. Being a visible light cut type, they are also less affected by stray light. They come with a built-in LED current limiting resistor. They can be used for object passage detection in card machines and currency exchange machines, coin passage detection in vending machines and amusement devices, and paper passage detection in ticket machines and office equipment. For more details, please contact us or refer to the catalog.

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Reflective photo sensor, light modulation type, KR3331

Reflective photo sensor, light modulation type, KR3331

Low-cost type! Dustproof photo reflector

KR3331 is a dust-proof photo reflector that uses an infrared light-emitting diode on the emitting side and a modulated photo IC receiving element on the receiving side. For more details, please contact us or refer to the catalog.

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Introduction to the Photosensor Blog! 'Photosensor Blog'

Introduction to the Photosensor Blog! 'Photosensor Blog'

Starting with the basic structure and types, we provide a wealth of content including alternative examples from other sensors, application cases, and customization examples!

★The launch of the 'Photosensor Blog' that answers everyone's "want to know"★ You can view it from the link below! Photosensors are quietly active behind the scenes around you. Most people have probably never even seen one. And that's understandable, as photosensors are very shy... They are working hard in the shadows, making significant contributions. In the 'Photosensor Blog' by Shin-Etsu Electronics, we focus on these unsung heroes, the photosensors, and deliver information that answers your "want to know"! 【A glimpse of the blog】 ■ Beginner's section (basic structure, types, application examples, etc.) ■ Case studies (Can it detect a 0.3mm fine wire? Achieving a 95% weight reduction? etc.) ■ Featured products (Reflective photosensors capable of color discrimination with high resolution) *The case studies mentioned are included in the 'Photosensor Problem-Solving Case Collection Vol.1', which can be viewed via the "PDF Download" link below.

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[Material] Beginner's Edition: Introduction to Photo Sensors

[Material] Beginner's Edition: Introduction to Photo Sensors

Introducing the basic structure of photo sensors, as well as the types of photo sensors!

A "photo sensor" is an electronic component that detects light emitted from a light source and converts it into a signal. It reads the changes in the signal caused by an object obstructing the light path (the path of light) and makes a judgment based on that. Using light for detection offers a significant advantage of non-contact detection of the target. On the other hand, it also has the disadvantage of being difficult to use in environments with stray light, making it a behind-the-scenes presence that is often used in many places around us but not easily noticed. This document provides a clear explanation of the basic structure of photo sensors, the types of photo sensors, their characteristics by type, and application examples. [Contents] ■ Basic structure of photo sensors ■ Types of photo sensors ■ Characteristics by type and application examples ■ The option of customization *For more details, please refer to the PDF document or feel free to contact us.

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Reflective photo sensor, light modulation type, KR3610

Reflective photo sensor, light modulation type, KR3610

A photoreflector that uses an infrared light-emitting diode on the emitting side and a modulated phototransistor light-receiving element on the receiving side.

The KR3610 reflective photo sensor with light modulation type is a dustproof photo reflector that uses an infrared light-emitting diode on the emitting side and a modulated photo IC light-receiving element on the receiving side. Its dustproof structure makes it easy to remove paper dust and allows for the detection of materials with low reflectivity, such as black paper and OHP film. Due to its light modulation method, it is resistant to noise from ambient light and other disturbances. It has a wide detection range and is a low-cost option. It is suitable for applications such as paper detection in copiers, printers, and various automatic machines for object passage detection. For more details, please contact us or refer to the catalog.

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Reflective photo sensor, light modulation type, KR3620

Reflective photo sensor, light modulation type, KR3620

A photoreflector that uses an infrared light-emitting diode on the emitting side and a modulated phototransistor light-receiving element on the receiving side.

The KR3620 reflective photo sensor, light modulation type, is a dustproof photo reflector that uses an infrared light-emitting diode on the emitting side and a modulated photo IC light-receiving element on the receiving side. Its dustproof structure makes it easy to remove paper dust and allows for the detection of materials with low reflectivity, such as black paper and OHP film. Due to its light modulation method, it is resistant to noise from ambient light and other disturbances. It has a wide detection range and is a low-cost option. It is suitable for applications such as paper detection in copiers, printers, and printing machines, as well as object passage detection in various automatic machines. For more details, please contact us or refer to the catalog.

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Reflective photo sensor, light modulation type, KR3630

Reflective photo sensor, light modulation type, KR3630

A photoreflector that uses an infrared light-emitting diode on the emitting side and a modulated phototransistor light-receiving element on the receiving side.

The KR3630 reflective photo sensor, light modulation type, is a dust-proof photo reflector that uses an infrared light-emitting diode on the emitting side and a modulated photo IC light-receiving element on the receiving side. Its dust-proof structure makes it easy to remove paper dust and allows for the detection of materials with low reflectivity, such as black paper and OHP film. Due to its light modulation method, it is resistant to noise from ambient light and other disturbances. It has a wide detection range and is a low-cost option. It is suitable for applications such as paper detection in copiers, printers, and various automatic machines for object passage detection. For more details, please contact us or refer to the catalog.

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Through-type photo sensor KI3642

Through-type photo sensor KI3642

A compact photo interrupter that boasts high versatility and complies with industry standards. For multiple purchases and reduced design man-hours. 5mm gap / photo IC output.

KI3642 is a photo interrupter that employs an infrared light-emitting diode on the emitting side and a phototransistor output on the receiving side. - Object passage detection for card machines and currency exchange machines - Coin passage detection for vending machines and amusement devices - Office automation equipment is suitable for such applications. For more details, please contact us or refer to the catalog.

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Through-type photo sensor KI3664

Through-type photo sensor KI3664

A compact photo interrupter that boasts high versatility and complies with industry standards. For multiple purchases and reduced design man-hours. 3mm gap/photo output.

KI3664 is a photo interrupter that uses an infrared light-emitting diode on the emitting side and a phototransistor on the receiving side. - Object passage detection for card machines and currency exchange machines - Coin passage detection for vending machines and amusement devices - OA equipment is suitable for various applications. For more details, please contact us or refer to the catalog.

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Through-type photo sensor KI3674

Through-type photo sensor KI3674

A compact photo interrupter that boasts high versatility and complies with industry standards. For multiple purchases and reduced design man-hours. 3mm gap/photo output.

KI3674 is a photo interrupter that uses an infrared light-emitting diode on the emitting side and a phototransistor on the receiving side. - Object passage detection for card devices and currency exchange machines - Coin passage detection for vending machines and amusement devices - OA equipment It is suitable for various applications. For more details, please contact us or refer to the catalog.

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Through-type photo sensor, dustproof and drip-proof type, KI5510, KI5511.

Through-type photo sensor, dustproof and drip-proof type, KI5510, KI5511.

This is a transmissive photo sensor that combines an infrared light-emitting diode and a light-receiving element with a photo IC (digital output) to achieve drip-proof and dust-proof performance.

This is a transmissive photo sensor that combines an infrared light-emitting diode and a photodetector with a photo IC (digital output) to achieve drip-proof and dust-proof performance. It features a built-in amplifier and an open collector output type. Due to its dust-proof and drip-proof structure (equivalent to IP64), it is less susceptible to the effects of dust and water droplets. (*Connector part - AALF non-drip-proof specification / AA02LF drip-proof specification) With a built-in slit width of 0.5mm for high detection accuracy and a visible light cut type, it is also less affected by stray light. It is a type with a built-in LED current limiting resistor. It is suitable for applications such as object passage detection in card devices and currency exchange machines, object detection in liquid-use areas of medical devices and vending machines, and paper passage detection in ticket vending machines. For more details, please contact us or refer to the catalog.

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Through-type photo sensor KI5540, KI5541

Through-type photo sensor KI5540, KI5541

A transparent photo sensor that achieves a 30% reduction in volume compared to conventional models, yet realizes a 5mm gap, and is also resistant to fluttering of detected objects.

New Product 'KI5540/5541' This sensor achieves a 5mm gap x depth of 6.5mm while maintaining the same external dimensions as a compact sensor with a 3.5mm gap. Compared to our conventional products with a 5mm gap in transmissive photo sensors, we have successfully reduced the size by over approximately 30% (*). As a result, it has become easier to design without requiring high precision for the flapping of the drive components, allowing for placement in small spaces. Additionally, we have adopted a strong lock connector that is effective in preventing harness disconnection, making it safe to use even in environments with high vibration. It also contributes to the standardization of parts, achieving a reduction in design workload and cost benefits while maintaining ease of handling. Currently, it is available as a 12V product, but we are considering releasing a 5V version in the future, so please feel free to contact us. *As of March 2023, based on volume comparison within our product lineup.

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Reflective Photo Sensor KR1210

Reflective Photo Sensor KR1210

Reflective photo sensor combining high-output red and infrared LEDs with a phototransistor.

The reflective photo sensor KR1210 is a reflective photo sensor that combines a high-output red and infrared LED with a phototransistor. It is suitable for applications such as color discrimination sensors for printed materials and pattern reading of banknotes. For more details, please contact us or refer to the catalog.

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