EC12E
12mm Size Insulated Shaft Type
EC12D
■
Typical Specifications
Items
Insulated shaft type with a wide variety of applications
Specifications
0.5mA 5V DC
1mA 5V DC
Encoders
Rating
Without detent
Operating life
With detent
Operating temperature range
15,000 cycles
30,000 cycles（Lightest（jog）
）
30,000 cycles
EC12E:−10℃ to ＋70℃
EC12D:−40℃ to ＋85℃
Metal
Shaft
Standard Type
Product Line
Detent torque
（mN m）
・
Number of detent Number of pulse
Operating
direction
Minimum order unit（pcs.）
Japan
Export
Product No.
Drawing
No.
2
1
Length of the shaft
LM
1
(mm)
15
20
25
8.5
（Hollow shaft）
20
25
8.5
（Hollow shaft）
15
17.5
20
25
8.5
（Hollow shaft）
20
25
8.5
（Hollow shaft）
20
25
Insulated
Shaft
EC12E1220407
Standard
3 to 20
12
12
2,400
2,400
EC12E1220406
EC12E1220405
Hollow
Shaft
3,000
2,400
3,000
3,000
2,400
3,000
EC12E1220301
EC12E1240405
EC12E1240406
EC12E1240301
EC12E24204A2
3
1
3
2
Lightest
（jog）
3±2
Ring
Type
Standard
3 to 20
24
24
Lightest
（jog）
3±2
Vertical
2,400
2,400
EC12E24204A7
EC12E24204A8
EC12E24204A9
1
3,000
2,400
3,000
3,000
2,400
3,000
EC12E2420301
EC12E24404A8
EC12E24404A6
EC12E2440301
EC12E24104A6
3
1
3
Lightest
（jog） max.
10
Standard
25±
15
Without
2,400
2,400
EC12E2430404
EC12E2430401
1
With Bushing Type
Length of the shaft
LM
1
(mm)
25
20
25
30
20
25
30
Standard
25±
15
Heavy 40±
15
Standard
3 to 20
Detent torque
（mN m）
・
Number of
detent
12
Number of pulse
12
Operating
direction
Minimum order unit（pcs.）
Japan
Export
Product No.
Drawing
No.
EC12E1220813
EC12E2420802
24
24
Without
Vertical
1,900
1,900
EC12E2420801
EC12E2420803
EC12E2430804
EC12E2430803
EC12E2460802
4
Note
Nuts and washers are not included. If required, please contact us.
Refer to P.296 for product varieties.
Refer to P.315 for soldering conditions.
293
EC12E
12mm Size Insulated Shaft Type
EC12D
Product Line
With Switch Type
Length of the
shaft LM
1
(mm)
Detent torque
（mN m）
・
5±3
17.5
10±5
5±3
10±5
30
15
Vertical
6
Number of
detent
Number of
pulse
Operating
direction
（
Travel of push- Minimum order unit pcs.）
Operating
force of switch（N） on switch（mm） Japan
Export
3
0.5
1,280
2,560
Product No.
Drawing
No.
(10.2)
1
ø6.8
3.5
Mounting surface
4.5
ø6
13.2
2
2
(10.2)
ø6.6
3.5
4.5
ø6
Mounting surface
A C B
Hollow shaft type
3.5
1.2
5
8.5
(0.6)
2.65
14
12.4
(8.2)
ø3.1
2.1
(10.2)
ø6.6
(0.8)
3.5
Mounting surface
A C B
294
13.2
3
ø6
2
13.2
5.2
Encoders
Metal
Shaft
Insulated
Shaft
Hollow
Shaft
Ring
Type
EC12D1524403
EC12D1564402
EC12D1524406
EC12D1564404
5
Notes
EC12D is suitable for automotive use.
Packing Specifications
Tray
Product No.
Number of packages（pcs.）
1 case /Japan
3,000
2,400
1,900
1,280
1 case /export packing
3,000
2,400
1,900
2,560
Export package measurements
（mm）
EC12E
□□□
03
EC12E
□□□
04
EC12E
□□□
08
EC12D
369×525×204
360×540×290
Dimensions
No.
Photo
Style
Unit:mm
PC board mounting hole dimensions
（Viewed from mounting side）
14
12.4
(8.2)
High collar type
3.5
5 (5)
(0.8)
LM
1
ℓ
1
A C B
LM
1
17.5
20
25
R
1
5
7
12
Short shaft type
3.5
5
(0.8)
15
7
(0.6)
14
12.4
(8.2)
2
Refer to P.296 for product varieties.
Refer to P.296 for switches.
Refer to P.315 for soldering conditions.
EC12E/EC12D／12mm Size Insulated Shaft Type
Dimensions
No.
Photo
Style
Unit:mm
PC board mounting hole dimensions
（Viewed from mounting side）
With bushing type
3.5
5.5
7
2
A
LM
1
M9x0.75
ℓ
1
No thread area
14
12.4
(8.2)
13.2
Encoders
ø8
4.5
ø6
(10.2)
2
13.2
8
2
2.1
4
3.5
1
Locating lug detail
Y
X
X
0.4
7.5
Mounting surface
A C B
A C B
5
Metal
Shaft
3-ø1 holes
Y
2.5
LM
1
20
25
30
A
-
-
5
ℓ
1
7
12
12
7
Insulated
Shaft
With push-on switch
type
3
17.5
5
0.5
4.475
5 (6)
Switch travel
14.1
12.5
A
E
2.05
13.3
11.1
6.85
2.05
E
A
11.7
D
2.15
8.3
B
Hollow
Shaft
ø5.975
5
B
2
Ring
Type
C
3.5
ø6.8
Mounting surface
5-ø1.05 holes
5.95
Output Wave
EC12E
A signal
B signal
OFF
ON
ON
Sliding Noise
EC12D
A signal
B signal
OFF
OFF
ON
ON
Encoder
Terminal C
R
Terminal A
Test circuit
R
5V
Terminal B
5V DC
Output waveform
t
t
V
1
V
2
ON
OFF
ON
EC12E
V
1
＝ V
2
＝ 1.5V max.
At R = 10k Ω
Chattering : 3ms max.
Bounce : 2ms max.
EC12D
V
1
＝ V
2
＝ 2.5V max.
At R = 5k Ω
Chattering : 3ms max.
Bounce : 2ms max.
OFF
Detent stability position
（When the switch is provided）
CW direction
Detent stability position
CW direction
Sliding direction
※Detent position cannot be specified for B signal.
Measurement condition：Rotation speed 360˚/s
t : Masking time to avoid chattering
3.45
C
D
295
12mm Size Insulated Shaft Type/Product Varieties
Shaft Dimensions
Flat Type
High collar type
LM
1
R
1
Unit:mm
Detailed dimensions
※
4.5
ø6
0.5
ø8
4.5
ø6
2
(10.2)
13.2
8
0.4
Y
2.5
12mm Size Insulated Shaft Type / Switch Specifications
Switch type
Contact arrangement
Travel（mm）
Operating force
Operating life
Rating
Electrical
performance
Contact resistance
Insulation resistance
Voltage proof
Momentary push switch
Single pole and single throw
（Push-on）
0.5±0.3
＋
3
＋ 1.5
N, 6
− 2.5
N
−1
2
7
Encoders
Metal
Shaft
Insulated
Shaft
Hollow
Shaft
Ring
Type
LM
1
17.5
20
22.5
25
30
R
1
5
7
7
12
12
※
Mounting surface
※ Not available for types without detents
14
12.4
(8.2)
With bushing type
3.5
5.5
7
LM
1
M9x0.75
R
1
No thread area
Detailed dimensions
LM
1
20
25
30
35
—
—
5
5
A
A
R
1
7
12
12
12
1
3.5
Locating lug detail
Y
X
X
Mounting surface
Excluding the 12 detent type
30,000 times
1mA 5V DC (10mA 5V DC max. ratings）
100mΩ max. for initial period, 200mΩ max. after operating life.
100MΩ min. 250V DC
300V AC for 1 minute or 360V AC for 1 second
296
Type
Series
Insulated shaft
12mm size
18mm size
Hollow shaft
5mm size
10mm size
EC12E
EC12D
EC18A
EC05E
EC10E
Photo
Encoders
Output
Shaft types
Operating direction
Number of pulse /
Number of detent
Features
W
Dimensions
（mm）
D
H
Operating temperature range
Operating life
Automotive use
Life cycle (availability)
Rating
Max./min. operating
current（Resistive load）
Insulation resistance
Voltage proof
Rotational torque
（Without detent）
Mechanical
performance
Detent torque
Push-pull
strength
Shaft configuration
Terminal type
Switch type
Contact
arrangement
Travel（mm）
Switch
Specifications
Operating force
（N）
Rating
Contact
resistance
Operating life
Page
Incremental
（Two phase A and B ）
Single-shaft
Vertical
12 / 12
24 / 24
24 / Without
—
12.4
13.2
5
−
10℃ to ＋70℃
15,000 cycles
30,000 cycles
—
−40℃ to ＋85℃
15 / 30
Absolute type
Incremental
（Two phase A and B ）
Hollow shaft
Vertical
Horizontal
Horizontal
12 / 24
12 / 12
12 positions
16 positions
Water resisting
performance
（IPX7）
18.8
18
8.75
—20℃ to ＋60℃
12 / 12
Surface
mount type
5.7
6
2.7
7.5
3.3
7.25
Metal
Shaft
With push-on switch
12.5
1
1.7
—
9.8
4.4
Insulated
Shaft
10.6 / 12.6 / 14.6
−5℃ to + 45℃
−40℃ to + 85℃（For Automotive）
−30℃ to + 85℃
30,000 cycles
100,000 cycles
—
—
●
○
Hollow
Shaft
0.5mA 5V DC
5mA / 0.5mA
10MΩ min.
50V DC
50V AC for
1 minute
10mN½m max.
25±
15mN½m
40±
15mN½m
3±2mN½m
3 to 20mN½m
80N
Flat, Hollow Shaft
1mA 5V DC
10mA / 1mA
100MΩ min.
250V DC
300V AC for 1 minute
or 360V AC for 1s
—
5±3mN m
・
10±5mN m
・
100N
Flat
1mA 10V DC
—
10MΩ min. 250V DC
50V AC for 1 minute
or 60V AC for 2s
—
60±20mN m
・
Push 100N /
pull 50N
0.55mA 5.5V DC
0.55mA / −
1mA 5V DC
Ring
Type
Electrical
performance
—
50MΩ min. 50V DC
50V AC for 1 minute
—
1.6±
1.3mN m
・
—
Hollow shaft
—
5±3mN m
・
6±3mN m
・
Insertion
—
—
—
—
—
—
—
293
Push-on switch
Single pole and
single throw（Push-on）
0.5±0.3
3
− 1
＋ 1.5
Reflow
—
—
—
—
—
—
—
297
—
—
—
—
—
—
—
299
Insertion
—
—
—
—
—
—
—
301
6
−2
＋ 2.5
1mA 5V DC
（10mA 5V DC max. ratings）
100m Ω max. for initial period;
200m Ω max. after
operating life.
30,000 times
Encoders Soldering Conditions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 315
Encoders Cautions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 316
Notes
1. The operating temperature range for automotive applications can be raised upon request. Please contact us for details.
2.
●
Indicates applicability to all products in the series, while
○
indicates applicability to some products in the series.
271
PCB Design
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