12mm Size Insulated Shaft Snap-in Type Potentiometer
Dimensions
No.
Unit:mm
PC board mounting
Photo
Style
hole dimensions
（Viewed from mounting side）
12
30
Horizontal type without bushing
RK12L121 For tone control
(
)
8.6
12
Rotary
（
）
Potentiometers
3.3
RK12L12A For vol. control
（
）
Slide
Potentiometers
1
0.3
6-ø0.8
holes
0.6
( )
14
2
2.1
2.6
5.9
Shaft shown in
full CCW position
LM1 15 20 25 30
Vertical type without bushing
RK12L123 For tone control
4.5
7
12 12
LM1
R1
（
）
12
RK12L12C For vol. control
13
（
）
(
)
8.6
R1
2
2
Metal
Shaft
2
6-ø0.8
holes
6
10
0.3
Mounting
surface
Insulated
Shaft
(
13
)
(
(
)
)
3.2
3.5
Shaft shown in
full CCW position
Knob
Operating
Terminal Layout/Circuit Diagram
3
3
1
2
2
2 1
1 2 3
3
1
1 2 3
Outer：R1
Inner：R2
1
2 3
Product Varieties
In addition to the recommended products, the following specifications can also be accommodated.
Total Resistance Variety
5
10
20
50
100
200
Total resistance（kΩ）
Resistance Taper
Resistance taper
15A
1B
3B
15C
Shaft Variety
Unit:mm
Vertical type
Horizontal type
LM1
LM1
Style
R1
R1
LM
1
15
20
7
25
12
30
12
Shaft
variety
4.5
R
1
Note
Refer to P.380, 502 for resistance taper.
marked are specifications recommended by ALPS.
379
ALPS [ ALPS ELECTRIC CO.,LTD. ]
