Incremental
Type
Absolute
Type
203
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
Multi Control
Devices
TACT SwitchTM
Custom-
Products
Refer to P.213 for product specifications.
1V max. at 1mA 5V DC（Resistive load）
Products other than those listed in the above chart are also available. Please contact us for details.
Typical Specifications
Note
Hollow Shaft Type
SRGP Series
10mA 5V DC/50BA 3V DC
50,000cycles
Rating（max.）/（min.）（Resistive load）
Output voltage
Items Specifications
Operating life
Without load
With load
50,000cycles
Product Line
Vertical
7±3
13±4
6.5±4
20
16
32
10
16
Number of
pulse Product No.
SRGP200200 1
SRGPWJ0500
2
SRGPWJ0200
Drawing
No.
Minimum packing
unit（pcs.）
Operating
direction
Detent torque
（
mN･m
）
Number of
detent
100
Hollow-center shaft encoder enabling various combinations.
Compact size Hollow-center shaft type.
●
Features
DVD players/recorders, car AV equipment, mini component stereos,
and various audio-visual devices
Telephones, facsimile machines and various communication devices
Air conditioners, electronic toys, microwave ovens, rice cookers, car
navigation systems, flat panel TVs, remote controllers and various
electronic devices
●
●
●
Applications
Encoder
Incremental
Type
Absolute
Type
204
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
Multi Control
Devices
TACT SwitchTM
Custom-
Products
0.6 31.8 0.6
ø30
ø18.5
ø16.3
45˚
3
3
17
ø23.9
51.5
20
15.4
4-1
3.5
94.5 3.5
1.2
3
A
R0.5
3
ø21.9
C0.5 C0.3
2.6 3.5
2-1.5
2-ø2.5
18
1
23.6
A
3.4
9.4
9
30˚
3
26
9.5
ø22
11.5 11.5
6
4
1
3
54.53.6
1.2
2
2
ø17
3
ø2
13
C0.3
q
wC
Dimensions Unit:mm
PC board mounting hole dimensions
（Viewed from the Direction A）
No. Style
1
2-ø1.5 holes
2.05
13
ø2.1
3-ø1 holes
ø2.05
11.8
6
17
2-30˚
（18ﾟ）
TT4T3
T2
T1
（36ﾟ）
OFF
ON
T1,T3＝1/4T±1/8T
OFF
ON
Clockwise
Counter-clockwise
Detent position
T2,T4＝Phase difference shall not be reversed
Phase difference of code portion
2
1
2
1.6 2-ø2.55 holes
2.5
3-ø1 holes
18
5
23
31.8
12
C
PC board thickness in above diagram is based on 1.6mm.
Note
（SRGPWJ0500）
T2,T4=Phase difference shall not be reversed T2,T4=Phase difference shall not be reversed
Phase difference of code portion
（SRGPWJ0200）
Detent position
Detent position
（22.5ﾟ）
T1 T2 T3 T4
T
ON
OFF
T1,T3=1 / 4T±1 / 8T
ON
OFF T1 T2 T3 T4
T
ON
OFF
T1,T3=1 / 4T±1 / 8T
ON
OFF
（22.5ﾟ）
（11.25ﾟ）
2
1
2
1
Clockwise
Counter-clockwise
Clockwise
Counter-clockwise
Hollow Shaft Type SRGP Series
Encoder
Incremental
Type
Absolute
Type
213
Detector
Push
Slide
Rotary
Encoders
Power
Dual-in-line
Package Type
Multi Control
Devices
TACT SwitchTM
Custom-
Products
Reflow
soldering
Type
Items
Operating temperature range
Rating
Electrical
performance
Mechanical
performance
Durability
Environmental
performance
Output voltage
Insulation resistance
Voltage proof
Detent torque
Terminal strength
Vibration
Operating life without load
Operating life with load
Cold
Dry heat
Damp heat
Resistance
to
soldering
heat
Manual
soldering
Dip
soldering
Actuator
strength
Pushing
direction
Pulling
direction
Product Specifications
–10℃to＋60℃
10mA 5V DC 1mA 5V DC
–40℃to＋85℃
SRGP20
SRGPWJ
EC28A
10mA 5V DC
7±3mN･m
13±4mN･m
6.5±4mN･m
40N
40N
40N
40N
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
–20±2℃
for 96h
–20±2℃
for 96h
85±2℃
for 96h
40±2℃,
90 to 95%RH
for 96h
50,000cycles
50,000cycles
85±2℃
for 96h
40±2℃,
90 to 95% RH
for 96h
85±2℃
for 96h
40±2℃,
90 to 95% RH
for 96h
5±2.5mN･m
2±1mN･m
3.5±1mN･m
20N
20N
–40±2℃
for 96h
50,000cycles
50,000cycles
–20±2℃
for 96h
100,000cycles
100,000cycles
350±5℃,
3s max.
Please see P.215
SRGP30FSRGP40
EC21A
100MΩmin.
250V DC
100MΩmin.
250V DC
100MΩmin. 100V DC 100MΩmin.
100V DC
100MΩmin.
100V DC
100V AC for 1minute 300V AC
for 1minute
100V AC
for 1minute
300V AC
for 1minute
100V AC
for 1minute
16±7mN･m
12±7mN･m
20±10mN･m
5N for 1minute
100N
100N
100N
100N
–40±2℃
for 240h
–40±2℃
for 240h
85±2℃
for 240h
60±2℃,
90 to 95% RH
for 240h
85±2℃
for 240h
60±2℃,
90 to 95% RH
for 240h
350±10℃,
3s
＋1
0
350℃max,
3s max
350±10℃,
3s
＋1
0
350℃max,
3s max
350±10℃,
3s
＋1
0
260±5℃, 5±1s
1V max.
at 5V DC,
1mA
（resistive load）
2.5V max.
at 5V DC,
1mA
（resistive load）
2.5V max.
at 5V DC,
1mA
（resistive load）
Measuring
terminal
Measuring
circuit
5V
5KΩ
1V max.
at 5V DC,
1mA
（resistive load）
Measuring
terminal
Measuring
circuit
5V
5KΩ
Measuring
terminal
Measuring
circuit
5V
5KΩ
F
The operating temperature range for automotive applications can be raised upon request. Please contact us for
requirements of this kind.
Note
1V max.
at 5V DC,
1mA
（resistive load）
Hollow Shaft Type Encoders