PL
IA
N
T
Features
CO
M
■ High rotational life
*R
oH
S
■ Metal shaft styles
■ Carbon element
■ Center detent option
■ Wide range of resistance tapers
■ RoHS compliant*
PDB24 Series - 24 mm Rotary Potentiometer
Electrical Characteristics
Taper............................................. Linear, audio
Standard Resistance Range
...............................1 K ohms to 1 M ohms
Standard Resistance Tolerance..............±20 %
Residual Resistance
R500K ohms ..........................0.1 % max.
total resistance
Environmental Characteristics
Operating Temperature
.........................................-10 °C to +70 °C
Power Rating
Linear ............................................ 0.5 watt
Audio ........................................... 0.25 watt
Maximum Operating Voltage
Linear ................................................ 500 V
Audio ................................................. 250 V
Rotational Noise .......................... 150 mV max.
Mechanical Characteristics
Mechanical Angle ............................. 300 ° ±5 °
Rotational Torque .....................20 to 200 g-cm
Stop Strength .............................. 8 kg-cm min.
Rotational Life
Standard....................... 15,000 cycles min.
High............................ 500,000 cycles min.
Soldering Condition
Manual Soldering
............................ 300 °C within 3 seconds
Wave Soldering
............................ 260 °C within 3 seconds
Hardware .......................... One flat washer and
mounting nut supplied per
potentiometer with bushing
Rating Power Ratio (%)
Derating Curve
100
PDB241-E
PDB241-D
11.8
(.465)
6.0
DIA.
(.236)
11.8
(.465)
L
6.5
(.256)
L
6.5
(.256)
A
24.0
(.945)
DIA.
C0.5
24.0
(.945)
DIA.
A
M8x0.75
2.5
(.098)
M8x0.75
4.5
(.177)
11.8
(.465)
30 °
11.5
(.453)
FULL CCW
1.2
(.047)
11.5
(.453)
30 °
FULL CCW
1.2
(.047)
2.8
(.110)
19.5
(.768)
1
2
3
PDB241-S
2.8
(.110)
6.7
(.264)
6.0
DIA.
(.236)
11.8
(.465)
16.5
(.650)
1
2
6.7
(.264)
2.0
(.079)
DIA.
L
6.5
(.256)
4.0
(.157)
DIA.
2.0
DIA.
(.079)
DIMENSIONS:
M8x0.75
2.5
(.098)
MM
(INCHES)
TOLERANCES:
±0.3
10.0
=
(.394) (±.012)
10.0 ~ 100
±0.5
=
(.394 ~ 3.937) (±.020)
UNDER
10 20 30 40 50 60 70 80 90 100
Ambient Temperature (°C)
3
20.0
(.787)
A
0
4.5
(.177)
30 °
11.5
(.453)
FULL CCW
2
1.2
(.047)
3
1
2.8
(.110)
SCHEMATIC
16.0 22.0
(.630) (.866)
1
6.7
(.264)
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
C0.5
2.5
(.098)
10.0
(.394)
8.6
(.339)
24.0
(.945)
DIA.
80
60
40
33
20
0
Product Dimensions
2
3
6.7
(.264)
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Applications
■ Various commercial applications
■ Electric guitars
■ Sound processing equipment
■ Guitar and sound system amplifiers
■ Appliances
PDB24 Series - 24 mm Rotary Potentiometer
L
20.0 25.0 30.0
(.787) (.984) (1.181)
K Type
6.0
DIA.
(.236)
18 TEETH
1.0
(.039)
A
D
L
20.0 25.0 30.0
(.787) (.984) (1.181)
A
10.0 12.0 12.0
(.394) (.472) (.472)
D
1.5
2.5
4.0
(.059) (.098) (.157)
DIMENSIONS:
Standard Resistance Table
Resistance
(Ohms)
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
250,000
500,000
1,000,000
MM
(INCHES)
Resistance
Code
102
202
502
103
203
503
104
204
254
504
105
10
0
10
20
30
40
50
60
70
80
90
100
Rotational Travel (%)
B Series Tapers
): B
(2B 3
): B
2
(1
0 B)
80
:B
90
:B
1
100
70
60
50
40
30
20
10
0
10
20
30
40
50
60
70
80
90
100
70
80
90
100
Rotational Travel (%)
C Series Tapers
100
90
80
70
60
50
40
(3
(25 0C):
C
C
(20 ): C 6
5
C
(15 ):
C ) C4
:C
(10
3
(05 C):
C
C)
:C 2
1
30
20
10
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
A6
): ): A5
A
( 25 : A 4
A)
(20 A): A3
(15
A2 1
A):
(10 5A): A
(0
0A
(3
20
B)
6.0
DIA.
(.236)
40
30
(0
P Type
60
50
(5B
): B
5
12.0 12.0 12.0
(.472) (.472) (.472)
80
70
4
(3B
F
20.0 25.0 30.0
(.787) (.984) (1.181)
90
): B
L
Model
No. of Sections
• 1 = Single Section/
Standard
Rotational Life
• 2 = Single Section/
High Rotational
Life
Terminal Configuration
(Pin Layout)
(see individual drawings)
• E = Solder Lugs
Rear Facing
• S = Solder Lugs
Down Facing
• D = PC Pins
Front Facing
Detent Option
• 2 = Center Detent
• 4 = No Detents
Standard Shaft Length
• 20 = 20 mm
• 25 = 25 mm
• 30 = 30 mm
Shaft Style
• K = Metal Knurled Type Shaft
18 Toothed Serration Type
• F = Metal Flatted Shaft
• P = Metal Plain Shaft
Resistance Code (See Table)
Resistance Taper (See Taper Chart)
Taper Series followed by Curve Number
Other styles available.
A Series Tapers
100
(4B
F
PDB24 1 - E 4 25 K - 103 A2
Terminal 1-2 Output Voltage
X 100 (%)
Terminal 1-3 Input Voltage
6.0
DIA.
(.236)
4.5
(.177)
Tapers
Terminal 1-2 Output Voltage
X 100 (%)
Terminal 1-3 Input Voltage
F Type
How To Order
Terminal 1-2 Output Voltage
X 100 (%)
Terminal 1-3 Input Voltage
Product Dimensions
0
10
20
30
40
50
60
Rotational Travel (%)
REV. 10/19
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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