Hollow Shaft Type Devices
Low-profile and Hollow Shaft Surface Mount Type
SRGP40
Series
Surface mount encoder with 1.55mm height
V
9.23mm contribute in space saving
Typical Specifications
Items
Rating
（max.）
（min.）
/
（Resistive
load）
Output voltage
Without
resistor
With resistor
Specifications
1mA 5V DC/50BA 3V DC
1V max. at 1mA 5V DC
（Resistive
load）
100,000cycles
100,000cycles
Hollow Shaft
Type Devices
Operating life
Product Line
Detent torque
（mN
m）
・
2±1
24
3.5±1
12
Reflow
3,200
SRGP400200
Number of
detent
Number of
pulse
Soldering
Minimum order unit
（pcs.）
Product No.
SRGP400100
Taping Specification (Taping Packeging)
Reel Size
Unit:mm
Number of packages pcs.）
（
1 reel
1 case／
Japan
1 case／export
packing
Tape width
（mm）
800
¿380
33.4
1,600
3,200
32
Encoder
Type
Potentiometer
Type
Note
Order products in N minimum order units（1 reel or 1 case）
.
Dimensions
Style
17.5
9.7
8.9
2-2
Ground term.
12.5
Unit:mm
Recommened patern for reflow
（All
tolerance shall be
%0.05）
2 - 1.2
ø9
A
.2
2 - 1.2
(0.2)
0.95
1.55
ø10.7
3
2.15
0.55
A
1
1
8.9
9.7
12.4
ø13.6
6
8.2
6-0.7
2.15
C
2
2.75
1.55
ø1
R1
0
9.85
2
2-ø1.5
19.1
14.4
12.5
1.15
7
0.15
10
0.5
A-A
12.8
2.2
Phase defference of code portion
.6
ø1
(15
$
)
0.5
12
CCW
Detent position
ON
OFF
ON
OFF
1
2
0.72
T1 T2
T
T3 T4
T1, T3 = 1 / 4T
±
1 / 8T
T2, T4 = Phase difference shall
not be reverseed
2.75
(30
$
)
1.55
0.05
CW
451
ALPS [ ALPS ELECTRIC CO.,LTD. ]
