Features
■ Carbon element
■ Ganging up to 8 sections available
■ Knurled and flatted shaft styles
■ Audio taper option
■ Tracking error within 3 dB
■ RoHS compliant*
PTD90 Series - 9 mm Multi-Ganged Potentiometer
Electrical Characteristics
Standard Resistance Range
....................... 1 K ohms to 1 M ohms
Total Resistance Tolerance
.................................±10 % or ±20 %
Standard Tapers ................Linear & audio
Maximum Operating Voltage
............................... 150 VAC, 20 VDC
Rated Power
Linear Taper .......................0.05 watts
Audio Taper ......................0.025 watts
Noise .................................. 100 mV max.
Insulation Resistance @ 250 VDC
....................................... 100 M ohms
Dielectric Withstanding Voltage
..............................................300 VAC
End Resistance .................20 ohms max.
Tracking Error (-40 dB to 0 dB) .......±3 dB
Environmental Characteristics
Operating Temperature
.................................-10 °C to +50 °C
Rotational Life ................... 15,000 cycles
IP Rating .......................................... IP 40
Moisture Sensitivity Level .......................1
.................. N/A
Mechanical Characteristics
Mechanical Angle ...................300 ° ±10 °
Running Torque ............... 10 to 250 g-cm
Stop Strength .......................... 4.0 kg-cm
Shaft Push/Pull Strength .......5.0 kgf min.
Shaft Wobble .....0.6 x L/20 mm p-p max.
Mounting Torque ............. 7.0 kg-cm min.
Soldering Condition
Manual Soldering
........96.5 Sn/3.0 Ag/0.5 Cu solid wire
or no-clean rosin cored wire
270 °C max. for 3 seconds
Wave Soldering
.............96.5 Sn/3.0 Ag/0.5 Cu solder
260 °C max. for 5 seconds
Wash Process ...... Not recommended
Mounting Hardware ........
and one mounting nut supplied
per potentiometer
Product Dimensions
Derating Curve
Ambient Temperature (°C)
20 40 50 60 70 80 90 1003010
0
20
33
40
60
80
100
0
Rating Power Ratio (%)
PTD901
M7XP0.75
R1
7.05 ± 0.5
(.278 ± .020)
0.8 ± 0.2
(.031 ± .008)
5.0
(.197)
MOUNTING
SURFACE
RECOMMENDED PCB LAYOUT
SCHEMATIC
1.0 +0.2/-0
(.039 +.008/-0)
DIA. HOLES
3 PLCS.
5.0
(.197)
5.0
(.197)
R1
3
2
1
3
2
1
R1
0.3
(.012)
0.7
(.028)
PTD902
M7XP0.75
R1
R1R2
R2
9.65 ± 0.5
(.380 ± .020)
0.8 ± 0.2
(.031 ± .008)
2.5
(.098)
2.5
(.098)
5.0
(.197)
MOUNTING
SURFACE
RECOMMENDED PCB LAYOUT
1.0 +0.2/-0
(.039 +.008/-0)
DIA. HOLES
6 PLCS. 5.0
(.197)
5.0
(.197)
3
2
1
3
2
1
SCHEMATIC
3
2
1
R1
3'
2'
1'
R2
0.3
(.012)
2 PLCS.
2 PLCS.
0.7
(.028)
DIMENSIONS: MM
(INCHES)
*RoHS COMPLIANT
Standard Resistance Table
Resistance Resistance
(Ohms) Code
1,000 102
2,000 202
5,000 502
10,000 103
20,000 203
50,000 503
100,000 104
200,000 204
500,000 504
1,000,000 105
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
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.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
PTD90 Series - 9 mm Multi-Ganged Potentiometer
Product Dimensions
DIMENSIONS: MM
(INCHES)
PTD904
M7XP0.75
R1R2R3R4
R1R2R3R4
17.2 ± 0.5
(.677 ± .020)
0.8 ± 0.2
(.031 ± .008)
5.0
(.197)
MOUNTING
SURFACE
RECOMMENDED PCB LAYOUT
1.0 +0.2/-0
(.039 +.008/-0)
DIA. HOLES
12 PLCS.
5.0
(.197)
5.0
(.197)
2.5
(.098)
5.0
(.197)
2.5
(.098)
2.5
(.098)
2.5
(.098)
5.0
(.197)
3
2
1
3
2
1
3
2
1
3
2
1
SCHEMATIC
33
22
11
R4 R3
33
22
11
R2 R1
PTD906
M7XP0.75
R1R2R3R4R5R6
R1R2R3R4
24.7 ± 0.5
(.972 ± .020)
0.8 ± 0.2
(.031 ± .008)
5.0
(.197)
MOUNTING
SURFACE
RECOMMENDED PCB LAYOUT
1.0 +0.2/-0
(.039 +.008/-0)
DIA. HOLES
18 PLCS.
5.0
(.197)
5.0
(.197)
5.0
(.197)
2.5
(.098)
5.0
(.197)
2.5
(.098)
5.0
(.197)
2.5
(.098)
2.5
(.098)
R5R6
2.5
(.098)
2.5
(.098)
5.0
(.197)
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
3
2
1
SCHEMATIC
33
22
11
R4 R3
33
22
11
R6 R5
33
22
11
R2 R1
PTD908
M7XP0.75
R1R2R3R4R5R6R7R8
R1R2R3R4
32.2 ± 0.5
(1.268 ± .020)
0.8 ± 0.2
(.031 ± .008)
5.0
(.197)
MOUNTING
SURFACE
RECOMMENDED PCB LAYOUT
1.0 +0.2/-0
(.039 +.008/-0)
DIA. HOLES
24 PLCS.
5.0
(.197)
5.0
(.197)
5.0
(.197)
5.0
(.197)
2.5
(.098)
5.0
(.197)
2.5
(.098)
5.0
(.197)
5.0
(.197)
2.5
(.098)
2.5
(.098)
2.5
(.098)
R5R6R7R8
2.5
(.098)
2.5
(.098)
2.5
(.098)
5.0
(.197)
3
33
11111111
3
2 2 2 2 2222
3333
SCHEMATIC
33
22
11
R4 R3
33
22
11
R6 R5
33
22
11
R8 R7
33
22
11
R2 R1
Applications
■ Audio/TV sets
■ Amplifiers/mixers/drum machines/synthesizers/DJ equipment
■ Multimedia sound systems
■ Portable electronics
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.
PTD90 Series - 9 mm Multi-Ganged Potentiometer
Product Dimensions
REV. 11/18
DIMENSIONS: MM
(INCHES)
SHAFT STYLE
"K"
A
B18 TEETH
KNURL
1.0
(.039)
6.0 +0/-0.1
(.236 +0/-.004)
DIA.
L ±
15
(.591)
L
1.5
(.059)
0.5
(.020)
20
(.787)
25
(.984)
5
(.197)
B7
(.276)
10
(.394)
6
(.236)
A10
(.394)
12
(.472)
30 °
9.5 ± 0.3
(.374 ± .012)
6.0
(.236)
4.8 ± 0.3
(.189 ± .012)
6.5 ± 0.3
(.256 ± .012)
3.5
(.138)
0.8
(.031)
5.0
(.197)
0.8
(.031)
2.0
(.079)
SHAFT SHOWN IN CCW POSITION
SHAFT STYLE
"F"
B
4.5
(.177)
6.0 +0/-0.1
(.236 +0/-.004)
DIA.
F
L ±0.5
(.020)
15
(.591)
L20
(.787)
25
(.984)
5
(.197)
B7
(.276)
10
(.394)
7
(.276)
F12
(.472)
12
(.472)
9.5 ± 0.3
(.374 ± .012)
6.0
(.236)
4.8 ± 0.3
(.189 ± .012)
6.5 ± 0.3
(.256 ± .012)
3.5
(.138)
0.8
(.031)
5.0
(.197)
0.8
(.031)
2.0
(.079)
SHAFT SHOWN IN CCW POSITION
60 °
4.5
(.177)
How To Order
PTD90 1 - 2 0 20 K - B 203
Model
• PTD90 =
No Switch
No. of Sections
• 1 = 1 Section
• 2 = 2 Sections
• 3 = 3 Sections
• 4 = 4 Sections
• 5 = 5 Sections
• 6 = 6 Sections
• 8 = 8 Sections
Pin Style
• 1 = PC Pins vertical/
down facing
and ±10 %
Total Resistance
Tolerance
• 2 = PC Pins vertical/
down facing
and ±20 %
Total Resistance
Tolerance
Center Detent Option
• 0 = No Detent
• 2 = Center Detent
Standard Shaft Length
• 15 = 15 mm
• 20 = 20 mm
• 25 = 25 mm
Shaft Styles
• K = Knurled Type Shaft (Metal)
18 Toothed Serration Type
• F = Flatted Metal Shaft
Resistance Taper (See Taper Charts)
Taper Series followed by Curve Number
Resistance Code (See Table)
Other shaft styles available.
010
10
20
20
30
30
40
40
50
50
60
60
70
70
80
80
90
90
100
100
A Series Tapers
Terminal 1-2 Output Voltage
Terminal 1-3 Input Voltage X 100 (%)
Rotational Travel (%)
(05A): A1
(10A): A2
(15A): A
(20A): A4
(25A): A5
(30A): A6
010
10
20
20
30
30
40
40
50
50
60
60
70
70
80
80
90
90
100
100
B Series Tapers
Terminal 1-2 Output Voltage
Terminal 1-3 Input Voltage X 100 (%)
Rotational Travel (%)
(5B): B5
(B): B
(1B): B1
(2B): B2
(2B): B2
(3B): B3
(4B): B4
010
10
20
20
30
30
40
40
50
50
60
60
70
70
80
80
90
90
100
100
C Series Tapers
Terminal 2-3 Output Voltage
Terminal 1-3 Input Voltage X 100 (%)
Rotational Travel (%)
(30C): C6
(05C): C1
(10C): C2
(15C): C
(25C): C5
(20C): C4
Tapers
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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