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PANASONIC / SUNX EX21A Compact Photoelectric Sensor

The Panasonic EX-21A photoelectric sensor is a miniature solution designed for a variety of industrial applications. Its compact size, combined with an integrated amplifier and long sensing range, makes it suitable for applications where space is limited. The use of a red LED dot light source provides clear beam spot visibility, simplifying alignment and confirmation of sensing position. The sensor's robust construction, including stainless steel mounting brackets and IP67 waterproofing, ensures reliable operation in harsh environments. It is ideal for detecting chip components, wafers, and other small parts in automated manufacturing processes.

Authorized Distributors
Source:DigiKey
Part No:EX-21A
Stock:1405
Inv Date:06-11-2026
Price: Unit price: $123.2
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Part No:EX-21A
Stock:1
Inv Date:06-12-2026
Price: Unit price: $123.2
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Part No:EX-21A
Stock:1
Inv Date:06-11-2026
Price: Unit price: $68.4
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Part No:EX-21A
Stock:12
Inv Date:06-11-2026
Price: Unit price: $122.59
Buy/RFQ:
Part No:EX-21A
Stock:12
Inv Date:06-11-2026
Price: Unit price: $122.59
Buy/RFQ:

PANASONIC / SUNX EX21A Compact Photoelectric Sensor Specifications:

  • Sensing Range (Thru-Beam): 2 m (6.562 ft)
  • Sensing Range (Retroreflective): 200 mm (7.874 in)
  • Sensing Range (Diffuse Reflective): 160 mm (6.299 in)
  • Output Type: NPN Open-Collector Transistor
  • Output Operation: Light-ON
  • Dimensions: 10.5 mm x 8.2 mm x 0.323 in
  • Mounting: M3 screws
  • Waterproof: IP67
  • EMC Directive Compliant: Yes
  • UL Recognition Compliant: Yes

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Frequently Asked Questions

Where can I buy PANASONIC / SUNX EX21A?

You can click on the BUY or RFQ button to purchase EX21A from an authorized PANASONIC / SUNX distributor.

How do I troubleshoot issues or seek technical support for part EX21A?

You can download the EX21A datasheet or visit the PANASONIC / SUNX website for support.

Who is the manufacturer of EX21A?

PANASONIC / SUNX

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