PL
IA
N
Features
■
Carbon element
■
Assortment of resistance tapers
■
Variety of shaft lengths
■
Dual gang element
■
Flatted, slotted and knurled shaft styles
■
Center detent option
■
Rotary switch option
*R
oH
S
CO
M
T
PTH90 Series Dual Concentric Shaft Panel Control w/Rotary Switch
Electrical Characteristics
Standard Resistance Range
............................1K ohms to 1 megohm
Standard Resistance Tolerance
R < 250K ohms .............................±20 %
R
≥
250K ohms .............................±30 %
End Resistance
R < 50K ohms .................. 30 ohms max.
R
≥
50K ohms ............. 0.1 % of TR max.
Insulation Resistance @ 250 VDC
................................. 100 megohms min.
Dielectric Withstanding Voltage ....300 VAC
Standard Taper ...................... Linear, Audio
Power Rating
Linear ....................................... 0.05 watt
Audio ........................................ 0.05 watt
Slider Noise ...........................100 mV max.
Operating Voltage ........... 50 VAC / 10 VDC
Product Dimensions
PTH901 (Shown with Flatted Shaft)
12.05
(0.474)
L2
10.0
(0.394)
8.5
(0.335)
L1
7.0
(0.276)
2.5 +0/-0.1
(0.098 +0/-0.004)
3.5 +0/-0.1
(0.138 +0/-0.004)
DIA.
60 °
Y
X
X
6.5 ± 0.5
(0.256 ± 0.002)
M7 x
0.75
0.030
C0.5
6.0 + 0/-0.1
(0.236 +0/-0.004)
DIA.
0.9 ± 0.1
(0.035 ± 0.004)
3.5
(0.138)
9.5
(0.374)
4.85
(0.191)
0.8 ± 0.2
(0.031 ± 0.002)
Environmental Characteristics
Operational Life .................... 15,000 cycles
TR Shift .........................................±15 %
Operating Temperature Range
......................................-10 °C to +55 °C
Resistance to Solder Heat ..................±5 %
IP Rating .............................................IP 40
PTH902 (Shown with Flatted Shaft)
18.3 ± 1.0
(0.720 ± 0.039)
L2
10.0
(0.394)
8.5
(0.335)
L1
7.0
(0.276)
2.5 +0/-0.05
(0.098 +0/-0.002)
3.5 +0/-0.05
(0.138 +0/-0.002)
DIA.
L
1
30.0
(1.181)
35.0
(1.378)
L
2
20.0
(.787)
25.0
(.984)
Mechanical Characteristics
Mechanical Angle ....................... 300 ° ±3 °
Operating Torque ..................20~250 gf-cm
Stop Strength....................... 5 kgf-cm max.
Mounting Torque ................ 10 kgf-cm max.
Shaft Push/Pull Strength ......... 10 kgf max.
Soldering Condition
Manual ............... 300 °C ±5 °C for 3 sec.
Wave .................. 260 °C ±5 °C for 5 sec.
Wash ......................... Not recommended
Hardware ....................One flat washer and
one mounting nut supplied with
each potentiometer
SW
R2
R1
0.75
0.030
0.8 ± 0.2
(0.031 ± 0.002)
M7 x
C0.5
5.0 + 0/-0.1
(0.197 +0/-0.004)
6.0 + 0/-0.05
(0.236 +0/-0.002)
DIA.
L
1
30.0
(1.181)
35.0
(1.378)
L
2
20.0
(.787)
25.0
(.984)
Mounting Hole Detail
PTH901
5.0
(0.197)
Locating Lug Detail
Y
X
X
6.0 ± 0.2
(0.236 ± 0.008)
Switch Characteristics
Power Rating .......................3 A @ 16 VDC
Contact Resistance .............. 100 milliohms
Dielectric Strength
Bushing to Terminals.................300 VAC
Switch Terminals .........................50 VAC
Insulation Resistance
Bushing to Terminals @ 250 VAC
......................................... 100 megohms
Switch Terminals @ 50 VAC
........................................... 10 megohms
Switch Type ..................................... Rotary
Contact Arrangement.........................SPST
Switching Angle ...........................50 ° max.
Detent Torque ........................... 500 kgf-cm
Operating Life ....................... 10,000 cycles
5.0
(0.197)
5.0
(0.197)
MOUNTING
SURFACE
0.8 ± 0.2
(0.315 ± 0.008)
2.0 ± 0.1
(0.079 ± 0.004)
DIA.
1.0 +0.1/-0
(0.039 +0.004/-0)
6 PLCS.
Y
PTH902
5.0
(0.197)
6.5
(0.256)
5.0
(0.197)
MOUNTING
SURFACE
5.0
(0.197)
DIA.
1.0 +0.1/-0
(0.039 +0.004/-0)
8 PLCS.
Schematic
Dual Gang
R1 1
R2 1'
2'
2
3
3'
Switch Circuit
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
1
2
*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 disclaimers as set forth on the last page of this document, and at
www.bourns.com/legal/disclaimer.pdf.
Applications
■
Multimedia sound systems
■
Mixers / drums / DJ equipment
■
Portable electronics
■
Portable appliances
PTH90 Series Dual Concentric Shaft Panel Control w/Rotary Switch
Additional Shaft Styles
Knurled
Shaft
10.0
(0.394)
L
1
L
2
5.0
(0.197)
1.0
SLOTTING ANGLE
OF INNER SHAFT
(0.039)
NOT SPECIFIED
6.0
9.0
DIA.
(0.236)
(0.354)
60 °
8.0
8.0
8.0
(0.315)
(0.315)
(0.315)
DIA.
100
90
Output Voltage across Terminals 1-2
X 100 (%)
Input Voltage across Terminals 1-3
80
70
60
50
40
30
20
10
0
10
20
30
(20
A);
(3
)
0A
;A6
Tapers
A Series Tapers
L
1
30.0
(1.181)
35.0
(1.378)
L
2
20.0
(.787)
25.0
(.984)
0.75
M9 X
(0.030)
C0.5
3.0
(0.118)
L
1
L
2
1.0
(0.039)
C1
OUTER SHAFT SHOWN
IN FULL CCW POSITION
(25
A);A
3
A);
A5
Slotted
Shaft
10.0
(0.394)
A4
1.5
(0.059)
5.0
4.7
DIA.
60 °
(0.197)
(0.185)
8.0
6.7
(0.315)
(0.264)
DIA.
SLOTTING ANGLE
OF INNER SHAFT
NOT SPECIFIED
8.0
(0.315)
);B
4
Output Voltage across Terminals 1-2
X 100 (%)
Input Voltage across Terminals 1-3
);B
Hardware
Nut
12.7
DIA.
(.500)
M7 x 0.75
(.030)
(3B
70
60
50
40
30
20
10
Washer
DIA.
12.0
(.472)
7.2
DIA.
(.283)
11.0
(.433)
DIA.
2.0
(.079)
DIMENSIONS:
MM
(INCHES)
0.5
(.020)
0
10
20
30
40
50
60
70
(1
B
);B
1
80
3
(2
B)
M9 X
(4B
0.75
(0.030)
C0.5
3.0
(0.118)
C0.5
L
1
30.0
(1.181)
35.0
(1.378)
40.0
(1.575)
L
2
20.0
(.787)
25.0
(.984)
25.0
(.984)
(15
A2
(10A);
A);A
(05
1
40
50
60
70
80
90
100
Terminal 1
Rotational Travel (%)
Terminal 3
B Series Tapers
100
);B
(5B
5
OUTER SHAFT SHOWN
IN FULL CCW POSITION
;B
2
90
80
90
100
How To Order
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
100
Terminal 1
Rotational Travel (%)
Terminal 3
PTH90 2 - 0 30 F - 103 B2
Model Number
Designator
PTH90 = Dual
Concentric Shaft Panel
Control
Number of Sections
1 = Dual Gang,
No Switch
2 = Dual Gang
w/Rotary Switch
Center Detent
0 = No Detent
1 = Center Detent
Shaft Length (FMS)
30 = 30 mm
35 = 35 mm
40 = 40 mm
Shaft Style
F = Flatted Metal
S = Slotted Metal
K = Knurled (18 tooth serrated)
Resistance Code
(See Standard Resistance Table)
Resistance Taper (See Taper Charts)
Taper Series followed by Curve Number
C Series Tapers
90
Output Voltage across Terminals 1-2
X 100 (%)
Input Voltage across Terminals 1-3
80
70
60
50
40
30
20
(1
0C
(25
C)
(3
0C
);C
6
;C5
(20
C);
);C
2
10
0
10
20
30
(15
C)
C4
(05
C)
;C3
;C1
40
50
60
70
80
90
100
Terminal 1
Rotational Travel (%)
Terminal 3
REV.
07/21
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
Unless otherwise expressly indicated in writing, Bourns
®
products and data sheets relating thereto are subject to change
and complete before placing orders for Bourns
®
products.
The characteristics and parameters of a Bourns
®
product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns
®
®
product with other components
the actual performance of the Bourns
®
®
®
product as meeting the requirements of a particular industry
®
of Bourns products are responsible for ensuring compliance with safety-related requirements and standards applicable to
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on a case-by-case basis, use of any Bourns
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®
Bourns
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®
standard products that are suitable for use in aircraft
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standard
the user’s sole risk.
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and the user for which such Bourns
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custom products shall be negotiated on a case-by-case basis by Bourns
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also apply to such Bourns custom products.
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