292
Encoders Metal
Shaft Insulated
Shaft Ring
Type
Through
Shaft Type
Ring type capable of composite control
35mm Size ABC Switch Type
EC35AH
EC35CH
■Typical Specifications
Items Specifications
Output signal
Three phase of A, B and C
Rating
10mA 5V DC
Operating life
50,000 cycles
Operating temperature range
−40℃ to ＋85℃（EC35AH）
−40℃ to ＋90℃（EC35CH）
Refer to P.299 for soldering conditions.
Product Line
Products No.
EC35AH240403
EC35AH220403
EC35AH260403
EC35AH240502
EC35AH220502
EC35AH260502
EC35AH120401
EC35CH120401
30 10
18 6
12±5
18±7
3 0 ±15
800 800
700
Number of
detents
Number of
pulse
Detent torque
（mN・m）
15
DIP
Actuator length
（mm）
Structure
Minimum order unit （pcs.）
Japan Export
12±5
18±7
3 0 ±15
18±7
2 2 ± 1 1（ I n i t i a l ）
18±7（After reflow）
350
25
15
14 . 9Reflow
1
2
800
384
800
384
3
4
Drawing
No.
Packing Specifications
Tray
Products No. Number of packages （pcs.）
Export package measurements
（mm）
1 case /Japan
1 case /export packing
EC35AH240403, EC35AH220403,
EC35AH120401, EC35AH260403 800 800 540×360×290
EC35AH240502, EC35AH220502,
EC35AH260502 350 700 5 4 0×360×380
EC35CH120401 384 384 4 4 0×2 90×2 05
293
Encoders Metal
Shaft Insulated
Shaft Ring
Type
Through
Shaft Type
EC35AH/EC35CH／35mm Size ABC Switch Type
2-5.1
3-3
20$
90$
4-R0.75
2-1.5
37
5
AB
4-ø1 hole
3
36
CD
3-1.5
29.4
14.7
18.7 18.7
ø25.25
ø23.7
ø35
35
35
23
2-12
36.5
25
3-13
3-16.5
3-1.5
3-3
4.5
6-3.5
2-3.5
ø28.8
Mounting
surface
3-ø1.5
C
AB
D
18.7 18.7
ø35
ø2.6
2-35
29.4
35
2-12
36
ø28.8
DC
AB
DC
B
A
6-3.5
3-1.5
4.5
3-6.5
2-3.5
3-3
3-3
3
5
37
2-1.5
4-ø1 hole
4-R0.75
3-1.5
2-5.1
3-3
13
6.9
14.7
15
ø25.2
ø23.8
23.2
36.5
Mounting
surface
3-ø1.5
18.7 18.7
ø35
ø2.6
2-35
29.4
35
2-12
36
ø28.8
DC
AB
DC
B
A
6-3.5
3-1.5
4.5
3-6.5
2-3.5
3-3
3-3
3
5
37
2-1.5
4-ø1 hole
4-R0.75
3-1.5
2-5.1
3-3
13
6.9
14.7
15
ø25.2
ø23.8
23.2
36.5
Mounting
surface
3-ø1.5
4-2.1
4.5
14.9
0.8
14.6
14.6
2-2.1
2-1.6
3-6.5
3-3
3-3.1
φ28.8
Mounting
surface
36
2-12
φ35.2
φ25.2
35.05
3-3.05
AB
C
D
φ23.8
1
2
0
°
23.25
3R13.7
1
2
0
°
2-φ1.45
3-6.5
3-3
3-1.5
3-ø1.5
15
3-3
ø 28.8
4.5
6-3.5
Mounting
surface C
18.7 18.7
2-3.5
ø25.2
ø
23.8
φ35
35
35
23.2
36.5
2-12
D
AB
Dimensions Unit:mm
No. Photo Style PC board mounting hole dimensions
(Viewed from mounting side)
1
EC35AH
Actuator length 15mm
10 pulse/30 detent
2
EC35AH
Actuator length 25mm
10 pulse/30 detent
3
EC35AH
Actuator length15mm
6 pulse/18 detent
4
EC35CH
Reflow type
Actuator length14.9mm
6 pulse/18 detent
294
Encoders Metal
Shaft Insulated
Shaft Ring
Type
Through
Shaft Type
Output Wave Sliding Noise
V1=V2=2.5V max.
At R = 5kΩ
Chattering : 5ms max. Bounce : 5ms max.
A signal
Detentposition
CWdirection
B signal
C signal
OFF
ON
OFF
ON
OFF
ON
t t
V1
V2
5V
ON ONOFF
Output waveform
Sliding direction
t : Masking time to avoid chattering
Test circuit
5V DC
R
Terminal A
R
Terminal B
R
Terminal C
Terminal D
ABC switch
Measurement condition
：
Rotation speed 360˚/s
EC35AH
EC35CH 35mm Size ABC Switch Type
Type
Ring type
28mm size 35mm size
Series
EC28A EC28C EC35A EC35AH EC35CH
Photo
Output
Incremental （Two phase A and B ） Incremental
（Three phase A, B and C）
Shaft types
Ring type
Number of pulse /
Number of detent
15 / 3 0
18 /18 15 / 3 0 9 /18
15 / 3 0
6×A B C / 18
10×A B C / 3 0 6× A B C /18
Dimensions
（mm）
W
28
35
35.2
D
29 29.5 36
H
44.5
Operating temperature range
−40℃ to ＋85℃
−40℃
to
＋90℃
−40℃ to ＋85℃
−40℃
to
＋90℃
Operating life
50,000 cycles
Automotive use
●●●●
●
Life cycle (availability)
Electrical
performance
Rating
10 m A 5 V D C
Max./min. operating
current（Resistive load）
10mA /1mA
Insulation resistance
10 0 MΩ m i n . 25 0 V D C
Voltage proof 3 0 0 V A C f o r 1mi n u t e
or 360V AC for 2s
3 0 0 V A C f o r 1mi n u t e
or 360V AC for 1s
3 0 0 V A C f o r 1mi n u t e
or 360V AC for 2s
3 0 0 V A C f o r 1mi n u t e
or 360V AC for 1s
Mechanical
performance
Detent torque
7±5mN･m
12±7 m N･m
2 0 ±1 0 m N ･ m
22±11mN･m （Initial）
16±7 m N･m
（After reflow）
30±15mN･m（Initial）
2 0 ±1 0 m N ･ m
（After reflow）
18±7 m N･m
22±8mN･m
3 0 ±15 m N ･ m
12 ±5 m N･m
18±7 m N･m
3 0 ±15 m N ･ m
30±15mN･m （Initial）
2 0 ±1 0 m N ･ m
（After reflow）
Push-pull
strength
10 0 N
Shaft configuration
Ring type
Terminal type
Insertion
Switch
Specifications
Switch type
—————
Contact
arrangement
—————
Travel （mm）
—————
Operating force （N）
—————
Switch ON position
—————
Rotational torque
—————
Rating
—————
Contact resistance
—————
Operating life
—————
Page
288 290 292
Encoders Soldering Conditions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 299
Encoders Cautions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 300
Note
●Indicates applicability to all products in the series.
257
Encoders Metal
Shaft Ring
Type
Insulated
Shaft Through
Shaft Type
299
Encoders Metal
Shaft Insulated
Shaft Ring
Type
Through
Shaft Type
Soldering surfacetemperature
Soldering temperature
Heating time Soldering time No. of solders
EC10E, EC12D, EC12E
EM11B
EC45A
EC40A
EC09E, EC11B, EC111, EC11E, EC11G, EC11K,
EC11M, EC11N, EC18A, EC21A, EC28A, EC35A,
EC35AH, EC50A, EC60B
Series
10 0 ℃ m a x . 260±5℃2 min. max. 5 ±1s 2 times max.
10 0 ℃ m a x .
10 0 ℃ m a x .
10 0 ℃ m a x .
110 ℃ m a x .
260±5℃
260℃ max.
260℃ max.
260℃ max.
1 min. max.
1 min. max.
2 min. max.
1 min. max.
3 ±1s
3s max.
5s max.
10 s ma x .
2 times max.
2 times max.
2 times max.
1 time
Preheating Dip soldering
Reference for Dip Soldering
Example of Reflow Soldering Condition
Reference for Manual Soldering
Temperature profile
1. When using an infrared reflow oven, solder may sometimes not be applied. Be sure to use a hot air reflow oven or a
type that uses infrared rays in combination with hot air.
2. The temperatures given above are the maximum temperatures at the terminals of the encoder when
employing a hot air reflow method. The temperature of the PC board and the surface temperature of the
encoder may vary greatly depending on the PC board material, its size and thickness. Ensure that the surface
temperature of the encoder does not rise to 250℃ or greater.
3. Conditions vary to some extent depending on the type of reflow bath used. Be sure to give due consideration to this
prior to use.
Notes
300
200
100
A
B
C
Time (s)
G max.
F max.
H max.
E max.
Room
temperature
Temperature (˚C )
Pre-heating
D
Encoders / Soldering Conditions
3 s
EC11J
EC05E, EC09E, EC10E, EC111, EC11B, EC11E,
EC11G, EC11K, EC11M, EC11N, EC12D, EC12E,
EC18A, EC21A, EC28A, EC35A, EC35AH, EC40A,
EC45A, EC50A, EC60B, EM11B, EC21C, EC28C,
EC35CH
Series
350℃ max. 3s max. 1 time
3 5 0 ±10 ℃ 2 times
Tip temperature Soldering time No. of solders
＋1
0
EC05E
EC21C
EC28C, EC35CH
EC11J
Series
260℃ 230℃ 18 0 ℃ 15 0 ℃ 2 min. max. 3s 40s 4 min. max. 2 times max.
250℃ min.
230℃ to 245℃
260℃
230℃ min.
220℃
230℃
18 0 ℃
200℃
18 0 ℃
15 0 ℃
15 0 ℃
15 0 ℃
60s to 120s
60s to 120s
2 min. min.
ー
ー
3s
30s to 40s
25s to 60s
40s
ー
300s max.
230s max.
2 times max.
1 time max.
1 time max.
A B C D E F G H No. of reflows
