EC28A_15 Datasheet, PDF (1/3 Pages) ALPS ELECTRIC CO.,LTD. – 28mm Size Ring Type

EC28A 28mm Size Ring Type
A low-profile unit with 4mm height and
good operation feel
■ Typical Specifications
Items
Rating
Operating life
Operating temperature range
Specifications
10mA 5V DC
50,000 cycles
−40℃ to ＋85℃
Product Line
Actuator length
（mm）
Detent torque
（mN・m）
7±5
12±7
15
20±10
12±7
20±10
Number of
detent
Number of 
pulse
30
15
18
18
Minimum order unit（pcs.）
Japan
Export
400
800
Packing Specifications
Tray
Number of packages（pcs.）
1 case /Japan 1 case /export packing
Export package measurements
（mm）
400
800
366×509×287
Product No.
EC28A1520401
EC28A1550401
EC28A1560401
EC28A1850402
EC28A1870401
Dimensions
1.5
15
4
3-4
Style
ø28
120_$
4-2.5
3-7.5
3.5
ø17
A CB
10.75
Unit:mm
PC board mounting hole dimensions
(Viewed from mounting side)
28.9
2-ø1.5 hole
1.6
5
ACB
3-ø1 hole
298
Output Wave
EC28A15
EC28A18
A signal OFF ON
B signal OFF ON
Detent stability position
CW direction
A signal OFF ON
B signal OFF ON
Detent stability position
CW direction
*Signal A and signal B output
at detent positions cannot be
specified.
Sliding Noise
V1=V2=2.5V max.
Test circuit
5V DC
R
R
Terminal A
Terminal B
Encoder
Terminal C
.FBTVSFNFOU
DPOEJUJPOÉ¿3PUBUJPO
TQFFE
˚/s
Output waveform
t
t
V1
V2
ON OFF ON
Sliding direction
t : Masking time to avoid chattering
At R = 5kΩ
Chattering : 5ms max. Bounce : 5ms max.
Refer to P.307 for soldering conditions.