ALPS EC28A1520401

Hollow Shaft Type Devices
28mm Size Encoder Type
EC28A Series
A low-profile unit with 4mm height with good operation feel.
Typical Specifications
Hollow Shaft
Type Devices
Items
Specifications
Rating
10mA 5V DC
Without load
50,000cycles
With load
50,000cycles
Operating life
Product Line
Actuator
length
(mm)
Detent torque
(mN・m)
Number
of detent
Number
of pulse
Operating
direction
Push-on
switch
Minimum order
unit(pcs.)
Product No.
EC28A1520401
7±5
15
30
12±7
Vertical
15
400
Without
EC28A1550401
EC28A1560401
20±10
Dimensions
Unit:mm
Encoder
Type
PC board mounting
hole dimensions
Style
Potentiometer
Type
¿18
15
1.5
4
120$
28.9
2-ø1.5 holes
3-4
5
2.
41.6
5
3-R
10
A C B
10.75
12
.2
0$
16
3-3.05
15
456
23
120$
¿21.6
3-3
2.5
¿17
7.5
3.5
2.6
¿28
A C B
3-ø1 holes
Hollow Shaft Type Devices
List of Varieties
Encoder
Type
Series
Hollow Shaft
Type Devices
21mm size
28mm size
EC21A
EC28A
35mm size
EC35AH
EC35B
ABC
Incremental/
Self-returen switch
Hollow shaft
40mm size
45mm size
60mm size
EC40A
EC45A
EC60A
Photo
Output
Incremental
Shaft types
Outline
specifications
Operating direction
9/18
15/30
6GABC/18
10GABC/30
15/30
31
Position
15/30
15/30
Without
Push switch(Travel mm)
Optional functions
12°
Dimensions Soldering
mm
W
︵
28
40.4
44.5
37
41.6
45
61.8
29
H
12°
35
35
21.6
D
︶
21.35
15
4
Manual soldering
9
11.5
350℃ max. 3s max.
Dip soldering
260℃ max. 5s max.
260±5℃, 5±1s
Reflow soldering
Operating temperature range
–40℃ to +85℃
Electrical
performance
2.5V max.
2.5V max.
at 5V DC,0.5mA at 5V DC,1mA
(resistive load)(resistive load)
2.5V max.
at 5V DC,1mA
(resistive load)
Output voltage
Potentiometer
Type
Absolute Incremental
Vertical
Number of pulse/
Number of detent
Changeover angle
Encoder
Type
Incremental
2.5V max.at 5V DC,0.5mA
(resistive load)
Insulation resistance
100MΩmin. 250V DC
10MΩ min. 50V DC
10MΩ min. 500V DC
Voltage proof
300V AC for 1minute
50V AC for 1minute
500V AC for 1minute
Rotational
torque
12±7mN・m
16±7mN・m
20±10mN・m
Mechanical
performance
Terminal strength
Actuator
strength
20±10mN・m 20±11mN・m
18±7mN・m
5N for 1minute
3N for 10s.
Rotational
direction
100N
Push
direction
Vibration
Shall be in accordance
with individual
40±20mN・m
specifications.
100N
50N
10 to 55 to 10Hz/min., the amplitude is 1.5mm for all the frequencies, in the 3 direction of X, Y and Z for 2 hours respectively
Environmental
performance
Cold
–40±2℃ for 240h
–40±3℃ for 240h
Dry heat
85±2℃ for 240h
85±3℃ for 240h
Damp heat
Page
40±2℃, 90 to 95%RH for 240h
60±2℃, 90 to 95%RH for 240h
455
456
457
458
459
460
462
Self-return Switch Specifications
Items
EC35B
Circuit・number of contacts
Single pole and double throw(Self-return)
Travel
(mm)
2.8±0.5
Push operating force
(N)
3.8±1.5
Switch ON position
15±5°
Ratational torgue
40±25mN・m
Rating
10mA 5V DC
Contact resistance
200mΩ max.
Operating life
15,000cycles
● Hollow Shaft Type Device Cautions ……………………………………………………………………………465, 466, 467
Note
F
448
The operating temperature range for automotive applications can be raised upon request. Please contact us for
requirements of this kind.