Encoders
List of Varieties
Metal shaft
11mm size
Insulated shaft
12mm size
Type
20mm size
EC12E
EC12D
Series
EC11G
EC11J
EC11K
EC20A/RK203
Standard detent Without detent
With push-on switch
Detector
Push
Photo
Output
Incremental
Single-shaft
Vertical
Slide
Shaft types
Rotary
Encoders
Power
Operating direction
Number of pulse/
Number of detent
12/12
24/24
9/18
15/30
15/30
18/18
15/30
Push switch
（Travel mm）
Optional
Without
Without
Without
Without
With（0.5）
With（1.5）
With（0.5, 1.5）
With（1.5）
functions
Dual-in-line
Package Type
Changeover angle
W
11.7
4.5
2.0
19.2
12.4
13.2
12.5
11.7
TACT SwitchTM
Dimensions
D
12
14.2
（mm）
H
10
5
Custom-
Products
Manual soldering
Dip soldering
Reflow soldering
350℃max. 3s max.
260±5℃, 5±1s
Soldering
260±5℃, 5±1s
–30℃to ＋85℃
260℃±5℃, 3±1s
Please see P.189
Operating temperature range
–40℃to ＋85℃
10mA
–30℃to ＋80℃
–1
0℃to ＋70℃
–40℃to ＋85℃
1mA
5mA
10mA
Maximum operating current（Resistive load）
Output signal
Output of A and B signals, proportionate to phase difference
Incremental
Type
Output wave
Please see P.191
Absolute
Type
（
）
V1
＝V ＝1.5V max.
2
Please see P.191
Sliding noise
M easurem entcondition：Rotation speed 360
At R = 10kΩ
At R = 5kΩ
Chattering : 3ms max.
Chattering : 3ms max.
Bounce : 2ms max. Bounce : 2ms max.
Insulation resistance
Voltage proof
100MΩmin. 250V DC
300V AC for 1minute
10MΩmin. 50V DC
50V AC for 1minute
100MΩmin. 250V DC
300V AC for 1minute or360V AC for 1s.
10mN・m max.
＋3
－4
m N・m
7
25±15mN・m
40±15mN・m
Rotational torque
Detent torque
3±2mN・m
5±3mN・m
10±7mN・m
12±5mN・m
100N
40±20mN・m
3 to20mN・m
10±5mN・m
Push-pull strength
Cold
80N
100N
–40±3℃for 240h
85±3℃for 240h
–40±3℃for 240h±10h
85±3℃for 240h±10h
Dry heat
Damp heat
60±2℃, 90 to 95% RH for 240h
60±2℃, 90 to 95%RH for 240h±10h
Single pole and single throw（Push-on）
Circuit・number of contacts
Trave（l mm）
Operating force（N）
Rating
Single pole and single throw（Push-on）
0.5±0.3 1.5±0.5 0.5±0.3 1.5±0.5 0.5±0.3
1.5±0.5
4±2
±0.3
0.5
＋
3－
1.5
＋
6－
2.5
2
＋2.5
4±2 5±2 4±2 5±2
6－2
1.0
0.5A 16V DC
0.5A 16V DC
0.1A 5V DC
1mA 5V DC
（1mA 16V DC min. ratings）
（1mA 16V DC min. ratings）
Contact esistance
100mΩfor initial period; 200mΩafter operating life
100mΩfor initial period; 200mΩafter operating life
1,000,000 500,000 1,000,000 100,000
20,000times
min.
Operating life
Page
20,000times min. times
min.
times
min.
times
min.
times
min.
30,000times min.
181
187
190
192
177
ALPS [ ALPS ELECTRIC CO.,LTD. ]
