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■ Absolute Maximum Ratings
■ Outline Dimensions
1. TVs
2. Personal computers
3. Cars
4. Copiers
■ Features
■ Applications
1. Less influence on the color of reflective objects, reflectivity
2. Line-up of distance output/distance judgement type
Distance output type (analog voltage) : GP2Y0A21YK
Detecting distance : 10 to 80cm
Distance judgement type : GP2Y0D21YK
Judgement distance : 24cm
(Adjustable within the range of 10 to 80cm [Optionally available])
3. External control circuit is unnecessary
4. Low cost
(Unit : mm)
Notice In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP
devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device specification sheets before using any SHARP device.
Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/
GP2Y0A21YK/GP2Y0D21YK
General Purpose Type Distance GP2Y0A21YK/ Measuring Sensors GP2Y0D21YK
R3.75
R3.75
3.75
10.1
14.75
7.5 4.15 16.3
φ3.2 hole
φ3.2 hole
6.3
2
8.4
7.2
13
2-1.5
13.5
37
29.5
★20±0.1 ★4.5
Light detector side
PWB
Lens case
1.2
3.3
Connector
Made by
J.S.T. MFG,
CO., LTD.
S3B-PH
Light emitter side
1
1 3
2
3
VO
GND
VCC
❈ The dimensions marked ★ are
described the dimensions of
lens center position.
❈ Unspecified tolerance : ±0.3mm
Terminal connection
18.9+0.5
−0.3
Parameter Symbol Rating Unit
VCC −0.3 to +7 V
VO −0.3 to VCC +0.3 V
̊C
Topr −10 to +60 ̊C
Tstg
Supply voltage
Output terminal voltage
Operating temperature
Storage temperature
(Ta=25 ̊C, VCC=5V)
−40 to +70
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Fig.4 Distance Characteristics
GP2Y0A21YK/GP2Y0D21YK
Fig.5 Analog Output Voltage vs. Distance to
Reflective Object
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
L H
H L
Hystersis width
Distance to reflective object L (cm)
(Non detection)
(Detection)
Output (V)
Output H
Output L
GP2Y0D21YK
Output switching point distance
L=24±3cm
Analog output voltage VO (V)
0 50 80 10 20 30 40 60 70 0
3.5
3
2.5
2
1.5
1
0.5
GP2Y0A21YK
Distance to reflective object L (cm)
White paper
(Reflective ratio:90%)
Gray paper
(Reflective ratio:18%)