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Sharp GP2Y0A21YK0F IR Package $8.00 JST 3-Pin infrared IR sensor distance measuring GP2D12 wires R301-GP2Y0A21YK
  • $11.00 (USD)
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  • This IR sensor takes continuous distance readings and returns a corresponding analog voltage between 10 and 80cm (4 and 30 in).

  • Manufactured By - Sharp
  • R301-GP2Y0A21YK


Product Details

The GP2Y0A21YK ('0A21') is identical to the GP2D12 in range, but the detection area has been increased. The detection diameter at 1/2 the range is 12cm for the 0A21, compared with 6cm for the GP2D12.

Take a look at the datasheet at the bottom of this page and our extremely informative Sharp Infrared IR Ranger Comparison article for details on this and all of our Sharp sensor offerings.  


Supply Voltage4.5 V to 5.5 V
Operating Supply Current33 to 50 mA
Output terminal voltage-0.3V to 5.3V
Detection Range10 to 80 cm (4 to 30 in)
Typical response time39 ms
Typical start-up delay44 ms
Detection Area Diameter @ 80 cm12 cm (4.72 in)
Output typeAnalog

Package Contents

The sensor package includes a JST 3-pin connector and three pre-crimped wires.

Product Assets

Name Notes File
Sharp_GP2Y0A21YK0F_Datasheet.pdf Product Datasheet Download