368
Metal
Shaft
Insulated
Shaft
Knob
Operating
Slide
Potentiometers
Rotary
Potentiometers
9mm Size Insulated Shaft Snap-in Type
RK09K/RK09D Series
Compact type potentiometer with 9.8mm width is ideal for designing high density sets.
Insulated Shaft Potentiometer
Operating life
Items
Total
resistance
tolerance
Single-unit ±20％
±30％
50V AC
20V DC
50V AC for AC only
RK09K: 280±5°
RK09D: 300±5°
280±5°
1 to 8mN・m
5,000cycles
10,000cycles
−10℃to ＋70℃
Dual-unit
Single-unit
Dual-unit
Single-unit
Dual-unit
Single-unit
Dual-unit
Maximum
operating
voltage
Total
rotational
angle
Rotational torque
Operating temperature range
Specifications
Typical Specifications
Resistance
taper
Number of
resistor
elements
Single-unit
（20V DC）
Mounting
direction
Vertical
type
Horizontal
type
H＝6.5mm
Horizontal
type
H＝10mm
Shaft
type
Flat
Knob
Driver
Length
of the shaft
（mm）
15
20
25
30
15
20
30
15
20
15
20
30
20
25
30
25
15
20
25
Center
detent
With
Without
Total
resistance
（kΩ）
10
5
10
50
10
20
1B
15A
1B
Total
rotation
angle
280±5°
300±5°
Without
With
Collar
（Sleeve type）
Products No.
RK09K113004U
RK09K1130AU2
RK09K1130A6S
RK09K1130AJ3
RK09
K
1130ACM
RK09K1130ACL
RK09K1130AAU
RK09K1130AH1
RK09K1130BM4
RK09K1130A8G
RK09K1130A5R
RK09K1130081
RK09K1130A70
RK09K1130AP5
RK09K1130AV7
RK09K1110A2S
RK09K1110AK4
RK09K1110AH8
RK09K1110B1V
RK09K1110A0J
RK09K11100E9
RK09K1110B1R
RK09K1110B26
RK09D1130C1B
RK09D1130C2P
RK09D1130A1L
RK09D1130A1N
RK09D1130C3W
RK09D1130C3C
RK09D113000F
RK09D1110C0R
Minimum
order unit
（pcs.）
1,000
Drawing
No.
2
7
8
1
5
6
4
3
Product Line
Vertical
type
Horizontal
type
H＝10mm
Flat
Flat
Knob With
With
With
Without
Without
Without
5
10
5
10
20
5
10
50
50
50
10
10
15A
1B
15A
1B
369
Metal
Shaft
Insulated
Shaft
Knob
Operating
Slide
Potentiometers
Rotary
Potentiometers
Insulated Shaft Potentiometer
9mm Size Insulated Shaft Snap-in Type RK09K/RK09D Series
Dual-unit
（Not applicable
to DC）
30
20
15
25
30
15
20
280±5°
Without
With
Without
With
RK09K12C0A19
RK09K12C0A2S
RK09K12C0A8G
RK09K12C0D0U
RK09K12C0A8K
RK09K12A0A2K
RK09K12A0A6R
RK09K12A0B0W
1,000
10
12
9
11
Refer to P.372 for product varieties.
Products other than those listed in above products are also available. Please contact us for details.
Note
Vertical
type
Horizontal
type
H＝6.5mm
Flat
Without
10
50
20
10
50
15A
Resistance
taper
Number of
resistor
elements
Mounting
direction
Shaft
type
Length
of the shaft
（mm）
Center
detent
Total
resistance
（kΩ）
Total
rotation
angle
Collar
（Sleeve type）
Products No.
Minimum
order unit
（pcs.）
Drawing
No.
Product Line
2.1
2.5
1.8
5
10.6
7
3-ø1 holes
PC board mounting
hole dimensions
（Viewed from mounting side）
5.5
9.8
0.8
4.5
3.8
3.2
6.8
2
6
R11212
30252015
76
ø6
Shaft shown in
full CCW position.
Mounting Surface
R1
LM1
LM1
50°
Dimensions
No. Photo Style
Unit:mm
1
2
3
4
Horizontal type with collar
RK09D111
Vertical type
with collar
RK09D113
LM1
ø6
4.5
6.5
0.8
3.8
6.8
5.9
2
2.4
5.5
50°
9.8
7.4
0.8
123
76
LM115 20
R1
R1
Shaft shown in
full CCW position.
12
25
ø6
4.5
5
2.4
3.8
10
5.9
2
6.8
5.5
9.8
Shaft shown in
full CCW position.
60°
5
4.5
3.8
3.2
6.8
2
6
R11212
302520
7
ø6
Mounting surface
R1
LM1
LM1
8.2
1.8
3.3
5
2.5
3-ø1 holes
2.1
2.1
2.5
1.8
5
10.6
7
3-ø1 holes
8.2
1.8
3.3
5
2.5
3-ø1 holes
2.1
Horizontal type
RK09K111
Vertical type
RK09K113
Single-shaft, single-unit
3.2 5.5
9.8
0.8
7.4
1.6
Shaft shown in
full CCW position.
60°
370
Metal
Shaft
Insulated
Shaft
Knob
Operating
Slide
Potentiometers
Rotary
Potentiometers
9mm Size Insulated Shaft Snap-in Type RK09K/RK09D Series
Insulated Shaft Potentiometer
Dimensions
No. Photo Style
PC board mounting
hole dimensions
（Viewed from mounting side）
Unit:mm
5
6
7
8
Vertical type
RK09K113
6.8 0.8
40ﾟ
20
ø6
9.8
7.4
0.8
123
5.5
7
6.5
3.8
5.9
2
2.4
(1.6)
321
7.4
0.8
9.8
5.5
50°
LM1
10
0.8
3.8
6.8
5.9
2
2.4
R1
ø6
4.5
R176
2015LM1
31
9.8
5.5
2
40ﾟ
LM1
(0.8)
(6.8)
R1
ø6
776
302015LM1
3.8
3.2
2
6
R1
Mounting surface
(The edge of the frame)
5
2.5
8.2
1.8
3.3
T＝1.6
2.1
3-ø1 holes
3
2
1
5
2.5
8.2
1.8
3.3
2.1
3-ø1 holes
3
2
1
T＝1.6
3-ø1 holes
7
2.1
2.5
1.8
5
10.6
10.6
1.8
2.5
5
3–ø1 holes
2.1
7
Horizontal type
RK09K111
Horizontal type
RK09K111
Single-shaft, single-unit
Teriminal Layout/Circuit Diagram
Single-unit
3
2
1
213
12 3
Vertical type
RK09K113
76
2015LM1
R1
R1
LM1
9.8
12 3
3.2
3.8
（6.8）（0.8）
ø6
5.5
6
2
Mounting surface
（The edge of the frame） Shaft shown in
full CCW position.
40ﾟ
371
Metal
Shaft
Insulated
Shaft
Knob
Operating
Slide
Potentiometers
Rotary
Potentiometers
9mm Size Insulated Shaft Snap-in Type RK09K/RK09D Series
Insulated Shaft PotentiometerInsulated Shaft Potentiometer
9mm Size Insulated Shaft Snap-in Type RK09K/RK09D Series
PC board mounting
hole dimensions
（Viewed from mounting side）
Terminal Layout/Circuit Diagram
Dual-unit
Tapers 15A, 1B, 3B
3
1 2
2
1
3
2
3
1
1
2
3
1
1
2
2
3
3
Tapers 15C
Dimensions
No. Photo Style
Unit:mm
9
10
11
12
0.8
6.5
3.8
2.4
2
3.2
ø6
4.5
6.8
9.8
50˚
0.8
7.4
5.5
Shaft shown in
full CCW position
R
1
LM1
0.8
4.5
ø6
3.8
3.2
6.8
2
6
5.5
9.8
50˚
Shaft shown in
full CCW position
R
1
LM1
57
6.5
3.8
2.4
2
3.2
20
ø6
4.5
6.8
9.8
50˚
0.8
7.4
5.5
Shaft shown in
full CCW position
5
4.5
ø6
3.8
3.2
6.8
2
6
5.5
9.8
50˚
Shaft shown in
full CCW position
R
1
LM1
1.8
5
8.2
2.5
5-ø1 holes
T＝1.6
3.3 2.5
2.1
5-ø1 holes
5
2.5
1.8
10.6
2.5 7 2.1
1.8
5
8.2
2.5
5-ø1 holes
2.53.3
2.1
2.1
7
5-ø1 holes
5
2.5
2.5
10.6
1.8
Horizontal type
RK09K12A
Vertical type
RK09K12C
Single-shaft, dual-unit
Horizontal type with collar
RK09K12A
Vertical type with collar
RK09K12C
15 20
6 7
LM
1
R
1
25 30
12 12
LM
1
R
1
15 20
6 7
30
12
LM
1
R
1
3
1
22
13
2
3
1
1
1
1
2
2
2
3
3
3
372
Metal
Shaft
Insulated
Shaft
Knob
Operating
Slide
Potentiometers
Rotary
Potentiometers
9mm Size Insulated Shaft Snap-in Type RK09K/RK09D Series
Insulated Shaft Potentiometer
Refer to P.373,502 for resistance taper.
Product Varieties
In addition to the recommended products, the following specifications can also be accommodated.
Total Resistance Variety
Total resistance（kΩ） 510 20 50 100 200
Resistance Taper
Shaft Variety
Resistance taper 15A 1B 3B 15C
Number
of resistor elements
Single-unit
Dual-unit
Style Shaft type Shaft
color
Black
Gray
（15,20,25）
Black
（30）
Black
Gray
（20,25）
Black
（30）
Black
Knob variety
Knob type（φ6）
Detail dimensions
ø6
40 Teeth knurl
Shaft shown at
center position
R1
Screw-driver adjustment type
ø6
40 Teeth knurl
Shaft shown at
center position
R1
Flat type
ø6
4.5
50˚
Shaft shown in full CCW position
R1
Flat type
ø6
4.5
60˚
Shaft shown in full CCW position
R1
Flat type
4.5
50˚
Shaft shown in CCW position
ø6
R1
Flat type
ø6
4.5
60˚
Shaft shown in full CCW position
R1
Flat type
4.5
50˚
R1
ø6
Shaft shown in full CCW position
Flat type
4.5
50˚
R1
ø6
Shaft shown in CCW position
LM
1
R
1
15
6
20
7
25
7
30
7
LM
1
R
1
15
6
20
7
25
12
30
12
LM
1
R
1
15
6
20
7
25
12
30
12
LM
1
R
1
20
7
25
12
30
12
LM
1
R
1
20
7
25
12
30
12
LM
1
R
1
15
6
20
7
25
12
30
12
LM
1
R
1
20
7
25
12
30
12
LM
1
R
1
9.5
―
15
6
20
7
Unit:mm
marked are specifications recommended by ALPS.
Note
373
Metal
Shaft
Insulated
Shaft
Knob
Operating
Slide
Potentiometers
Rotary
Potentiometers
9mm Size Insulated Shaft Snap-in Type Potentiometer
100
90
80
70
60
50
40
30
20
10
0100908070605040302010
Rotation travel (%) Term."1" Term."3"
Output volt.across term.1-2
Input volt. across term. 1-3 G 100 (%)
B(1B)
V(vol.control)(3B)
J
J
A(15A)
100
90
80
70
60
50
40
30
20
10
0102030405060708090
Output volt.across term.2-3
Input volt. across term. 1-3
100
C(15C)
G 100 (%)
J
Rotation travel (%) Term."1" Term."3"
J
Orders Other Than Recommended Products
When ordering product varieties that are not listed in the Product Line, please specify by referring to the below example.
Sample Part Number
R K 0 9 K 1 1 3 0 F 2 0 C 0 B 1 0 3
Detent
Code
C0
C1
Center detent
Without
With
Model type
Code
K111
K113
Model type
280°single-unit horizontal type H＝6.5
D111 300°single-unit horizontal type H＝10
D113 300°single-unit vertical type
K12A 280°dual-unit horizontal type H＝6.5
K12C 280°dual-unit vertical type
280°single-unit vertical type
Shaft type
Code
F
Shaft type
Flat
Code
X
Shaft type
Driver
KKnob
Length of the shaft（LM
1
）（mm）
Code
15
Length of the
shaft
15
20 20
Code
25
30
Length of the
shaft
25
30
Resistance taper
Code
A
B
Resistance taper
15A
1B
Resistance taper
15C
Code
C
3B
V
Total resistance
Code
502
103
203
Total resistance
（kΩ）
5
10
20
Total resistance
（kΩ）
50
100
Code
503
104
200
204
1. RK09D comes with a collar.
2.
The recommended specification for RK09K does not include a collar. For collar requirements please indicate separately.
3. marked are specifications recommended by ALPS.
Notes
＊All RK09D types are single-ganged.
＊
For other horizontal type mount height requirements,
please indicate separately.
＊20, 25 and 30 are the only available RK09D types.
＊9.5,
15 and 20 are the only available models in the driver shape.
＊1B is a recommended specification for single-
unit.
＊
3B is a recommended specification for dual-
unit.
＊All RK09D types are only available in flat format.
B: For tone & general
V: For vol.
367
Metal
Shaft
Insulated
Shaft
Knob
Operating
Slide
Potentiometers
Rotary
Potentiometers
Insulated Shaft Potentiometers
9mm Size
Insulated shaft
Long-life
12mmSize
Insulated
Shaft
Snap-in
−30±2℃
for 240h
70±2℃
for 240h
70±2℃
for 240h
List of Varieties
Type
Model
Items
Electrical performanceElectrical Mechanical
performance
Environmental
performance
Total
resistance tolerance
9mm Size Insulated Shaft
Snap-in
11mm Size
Insulated
Shaft
Snap-in
RK09K11□
RK09D11□RK12L12□RK14K12□
Single-unit
RK09K12□
Dual-unit
±20％ ±30％ ±20％ ±30％
Maximum operating voltage 50V AC
20V DC
50V AC
For AC only
50V AC
5V DC
50V AC
20V DC 50V AC For AC only
Insulation resistance 100MΩmin. 250V DC 100MΩmin.
500V DC
Voltage proof 250V AC
for 1minute
500V AC
for 1minute
300V AC
for 1minute
Gang error
−40dB to 0dB
3dB max.
Volume control
ｰ40dB to 0dB 3dB max.
For tone control
within 2dB at center
Vibration 10 to 55 to 10Hz/min., the amplitude is 1.5mm for all the frequencies,
in the 3 direction of X, Y and Z and for 2 hours respectively
Cold −30±2℃for 96h
Dry heat 70±2℃for 96h
40±2℃, 90 to 95% RH for 96h
Damp heat
40℃, 90 to 95%
RH for 240h
Resistance to
soldering
heat
Manual soldering
350℃max. 3s max.
Strength of
the actuator
Stopper strength
Push-pull strength
0.3N・m
Without bushing
0.5N・m
With bushing
0.6N・m
50N max. 80N max. 30N max.
Single-unit
RK11K11□
100MΩmin. 250V DC
250V AC
for 1minute
0.5N・m
Dual-unit
RK09Y11L
14mm Size
Insulated
Shaft
Snap-in
0.6N・m
Dip Soldering
260℃max.
5s max.
Page 368 374 378 381 385
Bushing Without With/Without Without With/Without Without
Photo
●InsulatedShaftPotentiometersCautions ……………………………………………………………………………386, 387
Single-unit
70±2℃
for 96h