Hollow Shaft Type Devices
45mm LED Illuminated Potentiometer
RK45B/RK45C
Series
This LED illuminated potentiometer is most suitable for knob design of various set devices.
Hollow Shaft
Type Devices
Typical Specifications
NEW
Items
Contact resistance
Total Rotational angle
Detent torque
Operating life
Operating temperature range
Specifications
%20%
RK45B : 180%5°
（270
deg. max.）
RK45C : 220%5°
（290
deg. max.）
RK45B :55%20 mN�½�m、40%16 mN�½�m
RK45C :40%16 mN�½�m
30,000cycles
-40℃ to +85℃
Product Line
Total
resistance
Resistanc
e taper
Number of
positions
8
180$
5kΩ
B
17
220$
40%16
400
RK45C1A00003
2
RED
Rotation
al angle
Detent torque
（mN
m）
・
55%20
LED
Minimum order
unit pcs.）
（
Product No.
RK45B1A00001
Drawing
No.
200
RK45B1A00002
1
Notes
1. Products other than those listed in the above chart are also available. Please contact us for details.
2. We can also provide LED colors other than the above mentioned. Contact us if you have such requirements.
Encoder
Type
Potentiometer
Type
Dimensions
No.
Photo
RK45B
(with LED)
24
3.2
2.5
22.2
19.7
9.5
Unit:mm
Style
PC board mounting hole dimensions
（Viewd
from mounting face）
Mounting surface
3.7
2.5
2-1.8
35
46.4
V
4
5
23
V
1
.
5
V
2
1.2
5
1.2
5
20
�½�
1
V29.6
24
2-V2.6
3
2-3.15
2.2
1.2
23
K1 2
N
3 CA
6-
V
1
3.5
32
12.5
17.5
22.5
.2
ho
les
RK45C
(with chip LED)
24
32
1.2
¿4
Mounting
surface
1.25
22.2
2.5
19.7
14.9
9.5
3.7±0.5
2.5±0.5
20¡
35
5
23
21.5
¿1
¿2
5
.5
2-1.8
2-¿2.
6
24
2
3-2.2
3- 1.2
¿29.6
2-3.15
23
3
46.4
K1 2 3 A
5
22
3.5
10
5-¿1
.2ho
464
21.5
les
ALPS [ ALPS ELECTRIC CO.,LTD. ]
