BOURNS PDB18

PL
IA
NT
Features
CO
M
■ Single and dual section control
*R
oH
S
■ Metal shaft styles
■ Carbon element
■ Center detent option
■ Wide range of resistance tapers
■ Plain or knurled shaft options
PDB18 Series - 17 mm Rotary Potentiometer
Electrical Characteristics
Taper .................................... Linear, audio
Standard Resistance Range
....................... 1 K ohms to 1 M ohms
Standard Resistance Tolerance.....±20 %
Residual Resistance ................. 1 % max.
Environmental Characteristics
Operating Temperature ...-10 °C to +50 °C
Power Rating
Linear .....................................0.2 watt
Dual Section..................0.125 watt
Audio ......................................0.1 watt
Dual Section....................0.06 watt
Maximum Operating Voltage
Linear ........................................ 200 V
Audio ......................................... 150 V
Sliding Noise ........................ 47 mV max.
Mechanical Characteristics
Mechanical Angle .................... 300 ° ±5 °
Rotational Torque .......... 10 to 150 gf-cm
Detent Torque ............... 150 to 500 g-cm
Stop Strength ..................... 5 kg-cm min.
Rotational Life ................... 15,000 cycles
Soldering Condition
........... 260 °C max. within 3 seconds
Hardware .................One flat washer and
mounting nut supplied per
potentiometer with bushing
Rating Power Ratio (%)
Derating Curve
Product Dimensions
PDB181-K
PDB181-A
L
2.0
(.078)
6.0
DIA.
(.236)
2.0
(.078)
9.5
(.374)
6.0
DIA.
(.236)
A
1.0
(.039)
M7 x P0.75
16.5
DIA.
(.649)
1.0
(.039)
2.0
(.078)
18 TEETH
KNURL
18 TEETH
KNURL
M7 x P0.75
17.0
(.669)
0.5
(.019)
3.6
(.141)
17.0
DIA.
(.669)
8.4
(.330)
13.5
(.531)
30 °
1.2
(.047)
2.8
(.110)
12.5
(.492)
2.5
(.098)
3.6
(.141)
18.0 ± 0.5
(.708 ± .019)
4.0
(.157)
15.0
(.590)
1
5.0
(.196)
80
60
40
33
20
0
6.5
(.255)
A
1.0
(.039)
100
L
6.5
(.255)
2.0
(.078)
9.5
(.374)
2
3
8.4
(.330)
4.0
(.157)
1.2
.047)
5.0
(.196)
30 °
SHAFT SHOWN IN CCW POSITION
0
10 20 30 40 50 60 70 80 90 100
DIMENSIONS:
MM
(INCHES)
Ambient Temperature (°C)
10.0
(.393)
1.0
(.039)
SHAFT SHOWN IN CCW POSITION
2
3
1
SCHEMATIC
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
Additional Features
Applications
■ Linear, audio and reverse audio taper
■ Audio/TV sets
options
■ RoHS compliant*
■ Car radio
■ Amplifiers/mixers/drum machines/
synthesizers
■ PCs/monitors
■ Appliances
PDB18 Series - 17 mm Rotary Potentiometer
Product Dimensions
PDB181-B
2.0
(.078)
9.5
(.374)
PDB181-D
PDB181-E
L
6.5
(.255)
L
6.0
DIA.
(.236)
A
L
6.5
(.255)
2.0
(.078)
9.5
(.374)
A
6.5
(.255)
2.0
(.078)
9.5
(.374)
DIA.
6.0
(.236)
A
16.5
DIA.
(.649)
1.0
(.039)
2.0
(.078)
M7 x P0.75
1.0
(.039)
2.0
(.078)
18 TEETH
KNURL
17.0
DIA.
(.669)
8.4
(.330)
1.2
(.047)
7.8
(.307)
30 °
1.2
(.047)
22.0 ± 0.5
(.866 ± .019)
2.8
(.110)
13.0
(.511)
3.5
(.137)
1.0
(.039)
2.5
(.098)
15.0
(.590)
5.0
(.196)
1.2
(.047)
30 °
2.8
(.110)
11.5
(.452)
3.5
(.137)
5.0
(.196)
5.0
(.196)
1.0
(.039)
SHAFT SHOWN IN CCW POSITION
DIMENSIONS:
8.4
(.330)
2.0
1.0
(.078)
(.039)
M7 x P0.75
18 TEETH
KNURL
0.5
(.019)
3.5
(.137)
17.0
DIA.
(.669)
17.0
(.669)
16.5
(.649)
DIA.
18 TEETH
KNURL
M7 x P0.75
DIA.
6.0
(.236)
MM
(INCHES)
SHAFT SHOWN IN CCW POSITION
30 °
10.0
(.393)
3.5
(.137)
SHAFT SHOWN IN CCW POSITION
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
PDB18 Series - 17 mm Rotary Potentiometer
Product Dimensions
L
L
6.5
(.255)
2.0
(.078)
9.5
(.370)
PDB182-E
Dual Gang
PDB182-K
Dual Gang
PDB181-P
L
A
DIA.
6.0
(.236)
6.5
(.255)
6.5
(.255)
2.0
(.078)
2.0
(.078)
11.5
(.452)
A
16.5
DIA.
(.649)
1.0
(.039)
2.0
(.078)
M7 x P0.75
3.5
(.137)
1.0
(.039)
2.0
(.078)
18 TEETH
KNURL
17.0
DIA.
(.669)
8.4
(.330)
17.0
DIA.
(.669)
30 °
1.2
(.047)
8.4
(.330)
2.8
(.110)
1.2
(.047)
30 °
1.2
(.047)
2.8
(.110)
12.5
(.492)
3.5
(.137)
5.0
(.196)
5.0
(.196)
SHAFT SHOWN IN CCW POSITION
30 °
2.8
(.110)
16.5
(.649)
4.0
(.157)
8.0
(.314)
14.0
(.551)
1
2
5.0
(.196)
3
1.0
(.039)
6 PLCS.
4.0
(.157)
5.0
(.196)
5.0
(.196)
SHAFT SHOWN IN CCW POSITION
2
1
3
SCHEMATIC
DIMENSIONS:
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MM
(INCHES)
DIA.
6.0
(.236)
1.0
(.039)
2.0
(.078)
13.5
(.531)
M7 x P0.75
3.8
(.149)
5.0
(.196)
17.0
DIA.
(.669)
7.8
(.307)
A
18 TEETH
KNURL
M7 x P0.75
13.2
(.519)
11.5
(.452)
DIA.
6.0
(.236)
5.0
(.196)
SHAFT SHOWN IN CCW POSITION
18 TEETH
KNURL
PDB18 Series - 17 mm Rotary Potentiometer
Product Dimensions
Shaft Styles
How To Order
K Type
PDB182-D
Dual Gang
L
15
(.591)
18
(.709)
20
(.787)
25
(.984)
30
(1.181)
A
6.5
(.256)
6.5
(.256)
11.5
(.453)
14
(.551)
19
(.748)
L
6.5
(.255)
2.0
(.078)
11.5
(.452)
A
PDB18 1 - K 4 25 K - 103 A1
L ± 0.5
(L ± .020)
6.5
(.256)
DIA.
6.0
(.236)
30 °
A
11.5
(.453)
1.0
(.039)
2.0
(.078)
M7 x P0.75
16.5
(.649)
0.5
(.019)
18 TEETH
KNURL
3.5
(.137)
4.5
(.177)
1.0
(.039)
18 TEETH
KNURL
6.0 +0/-0.1
DIA.
(.236 +0/-.004)
SLOT SHOWN IN
CCW POSITION
P Type
20
(.787)
L
17.0
DIA.
(.669)
8.4
(.330)
2.0
(.078)
25
(.984)
30
(1.181)
6.0
DIA.
(.236)
30 °
1.2
(.047)
9.7
(.381)
2.8
(.110)
1.0
6 PLCS.
(.039)
5.0
(.196)
5.0
(.196)
SHAFT SHOWN IN CCW POSITION
DIMENSIONS:
MM
(INCHES)
F Type
L
15
(.591)
20
(.787)
25
(.984)
30
(1.181)
35
(1.378)
F
7
(.276)
12
(.472)
12
(.472)
12
(.472)
12
(.472)
L ± 0.5
(L ± .020)
6.5
(.256)
F
DIA.
4.5
(.177)
DIA.
6.0 +0/-0.1
(.236 +0/-.004)
Model
Number of Sections
• 1 = Single Section
• 2 = Dual Section
Terminal Configuration
(Pin Layout)
(see individual drawings)
• K = PC Pins vertical/
Down Facing
(12.5 mm)
• A = PC Pins vertical/
Down Facing
(18.0 mm)
• B = PC Pins vertical
Down Facing
(23.0 mm)
• E = Solder Lugs
Rear Facing
• P = PC Pins
Rear Facing
• D = PC Pins
Front Facing
Detent Option
• 2 = Center Detent
• 4 = No Detents
• 5 = 11 Detents
• 6 = 21 Detents
• 7 = 31 Detents
• 8 = 41 Detents
Standard Shaft Length
• 15 = 15 mm
• 18 = 18 mm
• 20 = 20 mm
• 25 = 25 mm
• 30 = 30 mm
Shaft Style
• F = Metal Flatted Shaft
• K = Metal Knurled Type Shaft
18 Toothed Serration Type
• P = Metal Plain Shaft
Resistance Code (See Table)
Resistance Taper (See Taper Charts)
Taper Series followed by Curve Number
Other styles available.
Standard Resistance Table
Resistance
(Ohms)
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
Resistance
Code
102
202
502
103
203
503
104
204
504
105
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
PDB18 Series - 17 mm Rotary Potentiometer
Tapers
A Series Tapers
B Series Tapers
C Series Tapers
100
70
60
50
40
30
A6 A5
):
:
0A A)
(3 (25 A4
A) :
(20 A): A3
(15
A
A):
(10 A): A1
(05
20
10
0
10
20
30
40
50
60
Rotational Travel (%)
90
80
Terminal 1-2 Output Voltage
X 100 (%)
Terminal 1-3 Input Voltage
90
80
100
(5B
(4B
): B
): B
5
4
(3B
): B
3
( 2B
): B
2
(B
): (1B
B
):
B1
90
80
Terminal 1-2 Output Voltage
X 100 (%)
Terminal 1-3 Input Voltage
Terminal 1-2 Output Voltage
X 100 (%)
Terminal 1-3 Input Voltage
100
70
60
50
40
30
20
80
90
60
50
40
(3
(25 0C):
C
C
(20 ): C 6
5
(15 C):
C) C4
:C
3
(1
(05 0C)
:
C)
:C C
1
30
20
10
70
70
10
100
0
10
REV. 02/10
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
20
30
40
50
60
Rotational Travel (%)
70
80
90
100
0
10
20
30
40
50
60
Rotational Travel (%)
70
80
90
100