Knob Operating Type Potentiometers
Product Varieties
When ordering product varieties that are not listed in the Product Line, please specify by referring to the below example.
Total Resistance Variety
Total resistance
（kΩ）
5
10
20
50
100
Rotary
Potentiometers
Slide
Potentiometers
Resistance Taper
Resistance taper
15A
1B
3B
15C
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 8 H 1 1 1 0
Model type
Code
111
112
113
121
122
123
Model type
Single-unit Vertical type
Single-unit Back-to-back mounting type
Single-unit Reflow type
Dual-unit Vertical type
Dual-unit Back-to-back mounting type
Dual-unit Reflow type
F 1
C 0
B 1 0 3
Metal
Shaft
Insulated
Shaft
Knob
Operating
Length of the shaft mm）
（
Code
F1
F4
Length of the shaft
1
4.5
＊Only
1mm types are provided with the M1.4 tap screws.
＊Reflow
soldering cannot be applied in the 4.5 mm type.
Detent
Code
C0
C1
Center detent
J
J
V
(v
ol
.c
on
B
tro
(1
l)(
B)
3B
)
100
90
80
70
60
50
40
30
20
10
0
10
A)
15
A(
100
90
80
70
60
50
40
30
20
10
90
80 70 60 50 40 30
Rotation travel (
%
)
20 10
0
C(1
5C
)
Without
With
G
100 (
%
)
Output volt.across term.1-2
Resistance taper
Code
A
B
Resistance
taper
15A
1B
Code
C
V
Resistance
taper
15C
3B
Input volt. across term. 1-3
＊Detent
can only be specified for non-reflow
single-unit types.
20
30
40
50
60
70
80
90 100
Output volt.across term.2-3
100 (
%
)
Input volt. across term. 1-3
G
100
Term."1"
Rotation travel (
%
)
J
Term."3"
Term."1"
J
Term."3"
Total resistance
Code
502
103
203
Total resistance
（kΩ）
5
10
20
Code
503
104
Total resistance
（kΩ）
50
100
Note
marked are specifications recommended by ALPS.
393
ALPS [ ALPS ELECTRIC CO.,LTD. ]
