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Knob Operating Type Potentiometer
Without Knob Type
RK08H Series
Compact type potentiometer suitable for volume and tone controls.
Rotary Potentiometers Slide Potentiometers
Typical Specifications
Items Total resistance tolerance Maximum operating voltage Total rotational angle Operating life Operating temperature range Specifications
30 50V AC 20V DC Single-unit only 200 10
Without detent 10,000cycles With detent 5,000cycles 10 60
Metal Shaft Insulated Shaft Knob Operating
Product Line
Number of resistor elements Mounting direction Length of the shaft mm Center detent Total Resistance Soldering resistance taper k
50 Without Vertical type Single-unit 4.5 Back-to-back mounting type Without Vertical type 1 RK08H11100XC 100 With 10 50 10 1B 50 1 10 Dual-unit Back-to-back mounting type Vertical type 15A 15C 15A 50 15C Reflow 1,000 RK08H123002K 4 Manual 100 RK08H12100GP 1 RK08H12100F3 RK08H122005A 3 Reflow 1,000 RK08H113003G 15C 15A RK08H11100X7 RK08H1120030 RK08H113003Q 4 2 3 Manual 100 RK08H1110A04 10 1B
Minimum order unit pcs.
Products No.
RK08H11100U3 RK08H11100UD
Drawing No.
1
Notes
1. Products other than those listed in above products are also available. Please contact us for details. 2. Dip soldering can be applied to the above products. For dip soldering applications, specify separately as "dip soldering applicable product." Back-to-back mounting types are excluded.
3. We recommend print boards with a thickness of 0.8mm to 1.2mm. For 1.6mm thickness board applications, please contact us.
Refer to P.393 for product varieties. Refer to P.393, 502 for resistance taper.
390
Knob Operating Type Potentiometer
Without Knob Type RK08H Series
Dimensions Vertical Type
No. Photo Single-shaft, single-unit RK08H1110 Single-shaft, dual-unit RK08H1210 1
2.2
45u
Unit:mm
Style
1 3.2 0.3
2.5
8.5
Rotary Potentiometers
4.7
9 1.
8.8 M1.4G0.3depth 3.2 Shaft shown in full CCW position 2 C0.15 3.2 1 0.8 9.4
R4
7.9
Slide Potentiometers
.4
Mounting surface
0.3
C0 .15
1.9
1 1.5
Shaft shown in full CCW position
8.8
4.7
Single-shaft, single-unit RK08H1110
8.5 2.5
45
4.5
3.2
1.5
2
1.2 hole 3.4 3
3.2
R4
7.9
Mounting surface
.4
Metal Shaft Insulated Shaft Knob Operating
9.4
0.8
PC Board Mounting Hole Details
Single-shaft, single-unit
Dummy 90 Y 3 3-o1 holes
Unit:mm
Single-shaft, dual-unit
90 Y 3
R4.7
Single-shaft, dual-unit Resistance taper 15 C
3-o1 holes 90 Y 1 3 1 1.2 X 3 3-o1 holes 1 1 1.2 X 1.2 Viewed from mounting side Y 9 1.5 2 1.5 2 X
R4.7
1 1.2
R4.7
3
X 2 1.2 Viewed from mounting side Y 9 1.5
X
X 2 Viewed from mounting side 1.2 Y 9 2
Dimensions Back-to-back Mounting Type
No. Photo Single-shaft, single-unit RK08H1120 Single-shaft, dual-unit RK08H1220
45
Unit:mm
Style
1 4.4 0.3 3.2
8.5
o2.5
1. 9
C0. 5 1
o8.8
1.5
1
3
R4
3.2 7.9
2.3
M1.4G0.3depth 3.2 Shaft shown in full CCW position 8.5 0.8 2
.4
Mounting surface
PC Board Mounting Hole Details
Single-shaft, single-unit Back-to-back mounting type
Dummy 90 Y 3 1.2 1 X 1.5 2 0.6 Viewed from shaft side Y 8 3-o1 holes 90 Y
Unit:mm
Single-shaft, dual-unit Back-to-back mounting type
3-o1 holes
R4.4
R4.4
X X 0.6 Viewed from shaft side
3 3
1 1 1.2 X Y 8 1.5 o4.5 hole
2
2
o4.5 hole
Note
Keep the DUMMY terminal open in the circuit.
391
Knob Operating Type Potentiometer
Without Knob Type RK08H Series
Dimensions Reflow Type
No. Photo Single-shaft, single-unit RK08H1130 Single-shaft, dual-unit RK08H1230
45
8.7 3.2 1 0.1 0.8 C0.3 7
Unit:mm
Style
Rotary Potentiometers Slide Potentiometers 4
o2.5
1. 9
o1
10
M1.4G0.3depth 3.2 Shaft shown in full CCW position
C0.15 3.05
0.6 Mounting surface
PC Board Mounting Hole Details
Single-shaft, single-unit Metal Shaft Insulated Shaft Knob Operating
2-o1.2 holes
45
0.1
Unit:mm
Single-shaft, dual-unit Single-shaft, dual-unit Resistance taper 15 C
Y 7
45
Y
45
Y
45
7 1 0.8 1 3.6 4.8 X 1 2-o1.2 holes
45
45
7 0.8 1
3
0.8 1 3.6 4.8
X
2-o1.2 holes
X 1.5
X 1.5 2 Y 5.9 8.3 Terminals 2
X 1.5 2 Y 5.9 8.3 Terminals 2
3.6 4.8
33
3
31
X 1
1
1
2
Y 5.9 8.3
Terminals
Dummy
Standard Specification Circuit Diagram
Single-shaft, single-unit Single-shaft, dual-unit Single-shaft, dual-unit Resistance taper 15 C
3 3 3 3
3
2
2
1
2 2
1 1 1 1
1
Note
Keep the DUMMY terminal open in the circuit.
392
1
2
1.5
5
R 5. 2
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 k
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
RK08H1110
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
F1
C0
B103
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
k
5 10 20
Code 503 104
Total resistance
k
50 100
Note
marked are specifications recommended by ALPS.
393
Knob Operating Type Potentiometers
List of Varieties
Type Without knob RK08H1 RK08H1 1 2 RK08H1 Reflow type 3 RK10J1 E With knob RK10J1 Reflow type R RK14J1 A RK14J1 Reflow type R Rotary Potentiometers Slide Potentiometers
Model Items
Vertical back-to-back mounting
Insertion type
Insertion type
Photo
Rated power Insulation resistance Voltage proof Strength Stopper strength of the operating Push-pull strength section In vertical direction against the P.W.B. surface Vibration Manual soldering Solder heat resistance Dip soldering Reflow soldering
Please see P.398 10 70 2 2 for 96h for 96h 40 390 2 , 90 0.1N m 10N max. 100M
0.03W min. 100V DC
Note
Contact us separately when you require reflow type taping specifications.
Electrical performance Mechanical performance Environmental performance
50k
100V AC for 1minute 70mN m 5N max.
Metal Shaft Insulated Shaft Knob Operating
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 350 max. 3s max. 260 5 4 1s Please see P.398 25 70 95 RH for 96h 394 2 2 Please see P.398 for 240h for 240h
Cold Dry heat Damp heat Page
Maximum Attenuation or Residual Resistance
Nominal total resistance
R 100k 100k R R 10k 50k 10k R
Application of non-standard
Maximum attenuation
90dB min. 80dB min. 70dB min.
Nominal total resistance
100k 50k R R 50k 10k
Residual resistance
0.1% or less of nominal total resistance 30 or less
10k 60dB min.
R
20
or less
389
Knob Operating Type Potentiometer
Soldering Conditions
Soldering Conditions
1. Recommended reflow conditions
Rotary Potentiometers Slide Potentiometers
Maximum temperature : 250uC max. 200uC
Preheat temperature : 150uC.
Room temperature 2 min. max. 40s max.
Metal Shaft Insulated Shaft Knob Operating
3s max.
4 min. max.
2. Cleaning 3. Type of solder to be used 4. Soldering Cleaning should not be attempted. Use cream solder that contains 10 - 15 %wt flux. Mounting plate should also be soldered.
Notes
1. When using an infrared reflow oven, solder may sometimes not be applied. Be sure to use a hot air reflow oven or a type that uses infrared rays in combination with hot air. 2. The temperatures given above are the maximum temperatures at the terminals of the potentiometer when employing a hot air reflow method. The temperature of the PC board and the surface temperature of the potentiometer may vary greatly depending on the PC board material, its size and thickness. Ensure that the surface temperature of the potentiometer does not rise to 250C or greater. 3. Conditions vary to some extent depending on the type of reflow bath used. Be sure to give due consideration to this prior to use.
398

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