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Metal Shaft Potentiometer
Rotary Motor-driven Type
RK168/RK271 Series
Remote controllable and available in a wide variety of products.
Rotary Potentiometers Slide Potentiometers
Typical Specifications
Specifications Items Total resistance tolerance Maximum operating voltage Total rotational angle Rotational torque Operating life Operating temperature range
50V AC 300 10 to 40mN m 5 15 45mN m 20 30V AC
15,000cycles 10 70 4.5V DC
Metal Shaft Insulated Shaft Knob Operating
Motor voltage Potentiometer rotational speed sec/300 Maximum operating current
4 to 6V DC Standerd 12
3 4.5V DC
At rotation 100mA / At end slip 150mA
Product Line
Type Model Number of resistor elements
Dualunit
Shaft type
Length of the shaft mm
Total Motor Resistance resistance print taper k terminal
100 20 3B 15A 3B 100 15A With Without With Without
Minimum order unit pcs.
Products No.
Drawing No.
1 2 3 4
RK16812MG099 200 RK16814MG02R RK16816MGA04 150 RK27112MC030
16mm size RK1681 MG0
Quadunit Flat 6 gangedunit 25
27mm RK27112MC0 size
Dualunit
Dimensions
No. Photo 16mm size Single-shaft, dual-unit RK16812MG Style
Unit:mm
PC board mounting hole dimensions Viewed from mounting side
(44.9) (18.1) 23.25
7
25 12
60
25 18.7
o25 max.
4.5 o6
12.5 13.2
16.5
w q1 2 3 e
C1 R1 R2 2 M9G0.75 2-o2.35 o3 0.8
0.3 9
1
13.3
COM
2-1.2 holes
4 2-o2.65
R1 q w e R2 1 2 3
8-1 holes 2-dummy
Shaft shown in full CCW position
Refer to P.363 for attached parts.
360
17.5
17
2.5 7.5 12.5
2-2.6G1.2 square holes Mounting surface 19.7 15.5 7.5
Metal Shaft Potentiometer
Rotary Motor-driven Type
RK168/RK271 Series
Dimensions
No. Photo 16mm size Single-shaft, quad.-unit RK16814MG
Unit:mm
PC board mounting hole dimensions Viewed from mounting side Rotary Potentiometers
(49.25) (18.1) 27.6 25 7 12 o25 max.
60
25 18.7 4.5 o6 12.5 13.2 2-2.6G1.2 square holes Mounting surface 12.3 7.5 7.5
w q1 2 3 e w q1 2 3 e
Slide Potentiometers
16.5
0.3 9
COM
C1 R3 R1 R4 R2 2 M9G0.75 2-o2.35 o3 0.8
4
4-dummy R1 R3 q w e R2 R4 1 2 3 16-o1 holes
2-o2.65
Shaft shown in full CCW position
16mm size Single-shaft, 6-ganged unit RK16816MG
o25 max.
(53.6) (18.1) 31.95 7
25
60
25 18.7 4.5 o6 12 12.5 13.2 2-2.6G1.2 square holes 4.35 Mounting surface 19.7 12.3 7.5 7.5 2.5 7.5 12.5 16.5
wq1 2 3 e wq1 2 3 e wq1 2 3 e
17.5
2
13.3
2.5 7.5 12.5
Metal Shaft Insulated Shaft Knob Operating
COM 2-o1.2 holes
2 R5 R3 R1 R6 R4 R2
C1 M9G0.75 2-o2.35 o3 0.8
4
6-dummy 24-o1 holes
2-o2.65
Shaft shown in full CCW position
R1 R3 R5 q w e R2 R4 R6 1 2 3
27mm size Single-shaft, dual-unit RK27112MC
(68.35) (18.1) 15.1 31.6 o25 max.
25 7 12 4.5 o6
60
22.7 27 10 12.5 16 7 11.5 30.5
Mounting surface 10 5 5
o3
4
R2 R1
2
1
Shaft shown in full CCW position
4
C1 M8G0.75
123
6-o1.2 holes 2-2.6G1.2 square holes
5
17.5
0.3 9
17
3
13.3
361
Metal Shaft Potentiometer
Rotary Motor-driven Type
RK168/RK271 Series
Product Varieties
In addition to the recommended products, the following specifications can also be accommodated.
Rotary Potentiometers Slide Potentiometers
Basic Motor Specifications
Type Number of unit
Single-shaft, dual-unit
Model
RK16812MG RK16814MG RK16815MG
Motor type Sealed Motor printed case terminal
Motor voltage
Potentiometer rotational speed
Max. operating current
16mm size
Single-shaft, quad.-unit Single-shaft, 5-ganged-unit Single-shaft, 6-ganged-unit
At rotation 100mA Available Available 4 to 6V DC Standard:4.5 12 3sec/300 4.5V DC At end slip 150mA 4.5V DC
RK16816MG RK27112MC RK27114MC
27mm size Metal Shaft Insulated Shaft Knob Operating
Single-shaft, dual-unit Single-shaft, quad.-unit
Total Resistance Variety
Total resistance k
10 20 50 100
Resistance Taper
Resistance taper
15A 3B
16mm Size RK168 Series Shaft Variety
L1 12
Unit:mm
o6
4.5
L1
20 25 30
C1
Shaft shown in full CCW position
16mm Size RK168 Series Standard Dimensions of Bushing and Fixing Lug
7 18.7
Unit:mm
13.3
M9G0.75 2 2-o2.35 holes o3 2-o2.65 holes
Style of Printed Terminal for Motor
For exclusive use of RK168
2-o1.2 holes 19.7 (1)
0.3
9
Unit:mm
Types other than RK168
2-o1.2 holes 20.7
(1.9)
17
12.5
16.5
12.5
4
2
2-2.6G1.2 square holes
Note
marked are specifications recommended by ALPS.
362
4
2
2-2.6G1.2 square holes
2
7
11.5
17
Metal Shaft Potentiometers
List of Varieties
Type Number of drive shafts Model
RK203 / EC20A RK2711
20mm size metal shaft
27mm size metal shaft
50mm size metal shaft highquality-audio
Single-shaft RK5011 A
Rotary motor-driven
Rotary Potentiometers Slide Potentiometers
RK1681
/ MG0
RK2711
MC0
Photo
The bushing Fixing method of bushing fastened by use can be of screws Bushing screw clamp
The bushing can be fastened by use of screws Horizontal type
Terminal mounting Attached switch Gang error applicable to Dual-unit parts for audio volume control purposes Metal Shaft Insulated Shaft Knob Operating Solder heat resistance Electrical performance Mechanical performance Environmental performance Manual soldering Dip soldering Reflow soldering
Vertical type
60dB to 0dB 3dB max. 300 260 max. 3s max. 5 ,5 1s 350 max. 5s max.
100dB to 0dB 2dB max. 350 260 10 5 ,5 ,5
1 0
40dB to 0dB 3dB max.
60dB to 0dB 3dB max.
s
350 max. 3s max. 350 max. 5s max. : 350$max 2s max. Motor terminal:350 max. 2s max.
1s
Operating temperature range Rated power Residual resistance Maximum attenuation Volume control Insulation resistance Voltage proof
Stopper strength N m
30
to
80 0.05W R 10k 20 max. 10k R 50k 30 max. 50k R Nominal total resistance of 0.1% or less 5k 10k 50k 100k R 10k R 50k R 100k R 70dB min. 80dB min. 90dB min. 100dB min. 0.1W
10
to
70 0.05W R 10k 10k R 50k R 5k 10k 50k 100k R R R R 50k 20 max. 30 max.
120dB min.
10k 50k 100k
70dB min. 80dB min. 90dB min. 100dB min. min. 500V DC
100M
min. 250V DC
100M
min. 500V DC
100M
min. 250V DC 100M
300V AC for 1minute 0.5 100N max.
500V AC for 1minute 0.9 1.5 150N max.
300V AC for 1minute 0.9
500V AC for 1minute
Push-pull strength Vibration Cold Dry heat Damp heat Page
40 85 2 2
100N max.
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 for 192h for 192h 30 3 70 2 for 96h for 96h 20 70 3 2 for 240h for 240h 20 2 for 96h 70 2 30 3 for 96h for 96h
60 3 , 40 2 , 90 to 95 RH for 240h 90 to 95 RH for 96h 90 352 354
60 2 , 95 RH for 240h 358
90
40 2 , 95 RH for 96h 360
322
Metal Shaft Potentiometers
Attached Parts
The following parts are included with the product.
Unit:mm
Applicable products Bearing screw diameter Hexagonal nut Flat washer Rotary Potentiometers Slide Potentiometers
11 2 o14 o9.1 0.5
RK09L RK168 RK097 RK203
M9
M9G0.75
Metal Shaft
11 2 o14 o8.1 0.5
Insulated Shaft Knob Operating
RK271
M8
M8G0.75
11
2
o12 o7.2
0.5
RK097 RK098 RK163
M7
M7G0.75
8
2
o10 o6.2
0.5
RK097 RK098
M6
M6G0.75
363

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