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FEATURES
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APPLICATIONS
OMulti-function device … Joystick, optical encoder, and push
switch functions in one package.
OSuitable size for panels. Smooth operational feel.
OLong life … Joystick 500K cycles, encoder & switch 1M cycles
ORoHS compliant
Operation panels for;
● Medical device
● Broadcast equipment
● Surveillance camera etc.
CJ25
JOYSTICK ENCODER
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PART NUMBER DESIGNATION
CJ25 - 4 20 1 0
Series name
Joystick
4：4 Directions
8：8 Directions
Interface
0：Connector
Push switch function
Encoder
1：With push switch
20：20 Positions (5P/R)
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LIST OF PART NUMBERS
Part number Joystick Encoder Push switch function Interface
CJ25-42010 4
directions
20
Positions（5P/R）With push switch
Connector
CJ25-82010 8
directions
RoHS compliant
CJ25
JOYSTICK ENCODER
Encoder
Joystick
Switch
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RELIABILITY TEST
Vibration Power OFF
Power OFF
Power OFF
Power ON
Power OFF
Power ON
Power OFF
Power OFF
Shock
High temperature
exposure
Low temperature
exposure
Humidity
Thermal shock
Test item Test conditions
Amplitude : 1.52mm or 98.1m/s2 (10G） whichever is smaller.
10 ~ 500Hz excursion 15 min/cycle, 8 cycles each for X, Z, directions.
3 times each in directions (X, Z) at 490m/s2 (50G), 11ms.
80 °C 96 h
(To be measured after leaving samples for 1 h at normal temperature and
humidity after the test.)
50 °C 96 h
−
20 °C 96 h
0 °C 96 h
40°C Relative humidity90 〜 95% 96h
(To be measured after wiping out moisture and leaving samples for 1 h at normal temperature and humidity after the test.)
To be done 10 cycles with the following condition
(To be measured after leaving samples for 1 h at normal temperature and humidity after the test.)
80°C 0.5h、
−
20°C 0.5h
Input voltage DC5 V ± 5 %
Input current 20mA maximum at 5V
Output wave form Incremental signal (Square wave)
Pulses Per Rotation 5P/R
Maximum frequencies response 10Hz
Output Open collector,Pull-up resistor 2.2Kї
Output Code
2-Bit, Channel A/B,Phase difference 90°
Output Signal High :3.8V minimum
Low :0.4V maximum
Output Sink Current 6mA minimum
Input current 5mA maximum at 5V
Output Code
2-Bit (X,Y)
Output Signal
Neutral :2.5±0.5V
High :4.5V minimum
Low :0.5V maximum
Rating DC5V, 10mA
Contact Resistance
10
ї
maximum
Contact Bouncing Switching :4ms make
Non-switching :10ms break
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STANDARD SPECIFICATIONS
OElectrical characteristics
Joystick
Encoder
Switch
Mounting Torque
1.17N ·m maximum (12kgf ·cm maximum)
Actuator Strength 19.6N maximum (2kg maximum)
Max. Shaft Pull-out Strength 98N maximum (10kg maximum)
Max. Shaft Push-out Strength 98N maximum (10kg maximum)
Angle of Throw All directions 9±2°
Operating Force
X,Y 1.47±0.74N (150±75gf)
Joystick Life
500,000 actuation each in directions (X, Y)
Click Torque 9.8±4.9mN
·
m (100±50gf
·
cm)
Clicks Per Rotation
20
Rotational Life 1 million cycles
Operating Force 3.43±1.47N (350±150gf)
Stroke
0.5±0.2mm
Switching Life 1 million cycles
OMechanical characteristics
Operating Temp. Range 0
°C
~ + 50°C
Storage Temp. Range −20 ~ 80°C
OEnvironmental characteristics
CJ25
JOYSTICK ENCODER
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OUTLINE DIMENSIONS Unless otherwise specified, tolerance:
±
0.4 (Unit: mm)
〈
Accessories
〉
●
JOYSTICK
●
ENCODER Output Waveform
●
SWITCH
〈
Panel cut-out dimensions
〉
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OUTPUT
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OPTION
 （Wire harnesses）
Optional wire harnesses are available upon request.
●=High
blank=Low
※
Code repeats every 4 positions.
Position
Output
AB
1
2●
3●●
4●
±5
150 ±1
10
12345678
（Br）（O）（R）（Y）（G）（Bl）（P）（B）
Wire color
Br: Brown
O : Orange
R : Red
Y : Yellow
G : Green
Bl: Blue
P : Purple
B : Black
2.5V
Y
（High）
Y
（Low）
X
（Low）X
（High）
→CW
High
A
B
Low
High
Low
1  2  3  4  5  6
Switch
Switch
Position number: 1〜6…
（Clockwise rotation）
"Y (High)" defined by locating pin.
0 
-0.8
24
M17 P=1.0 3
Nut
±0.1
φ17.2
±0.1
9.65
±0.1
15.8
±0.1
φ
1.5
0
-
0.07
φ6.35
5.3
16.414.65
18
6.21
0
-
0.07
φ1.2
±0.05
9.65
±0.05
5.56
6.35
4.44
M17 P=1.0
+0.05
-
0.1
15.6
17.3
φ25.4
JST
SM08B-GHS-TB
PIN No.1
PIN No.8
14.5
Locating pin
Pivot point
Connector
PIN ASSIGNMENT
Pin No. Function
1Joystick"X"
2Joystick"Y"
3Power"+5V"
4Output"A"
5Output"B"
6Switch
7Switch
8GND
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OUTPUT CIRCUITRY AND RECEIVING CIRCUITRY
1
2
3
4
5
6
7
8
Output Circuitry Receiving Circuitry
Joystick “X”Direction
Joystick “Y”Direction
Power “+5V”
Output “A”
Output “B”
Switch
Switch
GND
2.2kΩ
2.2kΩ