85/86 – 5/8 ˝ Square Single-Turn Panel Control with Rotary Switch
Potentiometer Specifications
Standard Resistance Range
Linear Tapers (A, B, E, & H)......................................................................... (B & E) 1 K ohms to 1 megohm ................. (A & H) 100 ohms to 1 megohm
Audio Tapers (C, D, F, G, S, & T) ................................................................ (D, G, S, & T) 1 K ohms to 1 megohm ....... (C & F) 1 K ohms to 1 megohm
Total Resistance Tolerance................................................................................. ±20 % or 10 %............................................ ±10 % or 5 %
Operating Temperature Range ........................................................................... -40 °C to +125 °C ....................................... -40 °C to +125 °C
Storage Temperature Range .............................................................................. -55 °C to +125 °C ....................................... -55 °C to +125 °C
Temperature Coefficient Over Storage Temperature Range .............................. ±1,000 ppm/°C ........................................... ±150 ppm/°C
Vibration (Single Section) ................................................................................... 15 G ........................................................... 15 G
Total Resistance Shift .................................................................................. ±2 % maximum .......................................... ±2 % maximum
Voltage Ratio Shift ....................................................................................... ±5 % maximum .......................................... ±5 % maximum
Shock (Single Section) ....................................................................................... 30 G ........................................................... 30 G
Total Resistance Shift .................................................................................. ±2 % maximum .......................................... ±2 % maximum
Voltage Ratio Shift ....................................................................................... ±5 % maximum .......................................... ±5 % maximum
Load Life ............................................................................................................. 1,000 hours ................................................ 1,000 hours
Total Resistance Shift .................................................................................. ±10 % maximum ........................................ ±5 % maximum
Rotational Life (No Load).................................................................................... 100,000 cycles ........................................... 100,000 cycles
Total Resistance Shift .................................................................................. (Linear taper) 10 ohms or .......................... (All tapers) ±5 % TRS maximum
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift .................................................................................. (B & E tapers) ±10 % maximum ................ ±5 % maximum (all tapers)
Starting and Running Torque (Non-Locking Bushings)
Single Section..................................................................................................................................................................................0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)
Dual Section ....................................................................................................................................................................................0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)
Triple Section ...................................................................................................................................................................................0.35 to 1.41 N-cm (0.5 to 2.0 oz.-in.)
Quadruple Section ...........................................................................................................................................................................0.35 to 1.41 N-cm (0.5 to 2.0 oz.-in.)
Starting and Running Torque (Locking Bushings) ....................................................................................................................0.14 to 2.82 N-cm (0.2 to 4.0 oz.-in.)
Shaft Locking Torque with Locknut @ 10 in-lb. (B & E Bushings) .......................................................................................................................14 N-cm (20 oz-in.)
Mounting ...................................................................................................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum
Weight (Single Section) ............................................................................................................................................................................................. 21 grams maximum
(Each Additional Section)...................................................................................................................................................................................... 6 grams maximum
Terminals ...........................................................................................................................................................................................Printed circuit terminals or J-Hooks
Soldering Condition .................................................................................. Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ˝ wire diameter.
Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux.
Marking ...........................................................................................Manufacturer’s trademark, wiring diagram, date code and resistance, manufacturer’s part number
Ganging (multiple section potentiometers) ...................................................................................................................................................................... 4 cup maximum
Hardware ...............One lockwasher and one mounting nut is shipped with each potentiometer; locking bushing versions are shipped with one additional locking nut
For dimensional drawings see pages 3 & 4. For ordering information see page 5.
NOTE: Model 81/82 performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
1
Electrical specifications tested at 250 RPM, at room ambient: +25 °C nominal.
Initial Electrical Characteristics
1
Conductive Plastic Element
Cermet Element
Environmental Characteristics
1
Mechanical Characteristics
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*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.
81/82 – 5/8 ˝ Square Single-Turn Panel Control
85/86 – 5/8 ˝ Square Single-Turn Panel Control with Rotary Switch
Rotary Switch Specifications
Initial Electrical Characteristics
1
Contacts:
DPST ............................................................................................................................................................................. N.O/N.O.,N.C./N.C. or N.O./N.C.
Power Rating (Resistive Load):
DPST ..........................................................................................................2 A @ 125 volts RMS-60 Hz or 2 A @ 28 VDC, 1 A @ 250 volts RMS-60 Hz
Operating Temperature Range ...................................................................................................................................................................... -40 °C to +70 °C
Storage Temperature Range ....................................................................................................................................................................... -65 °C to +125 °C
Vibration (Dual Section)......................................................................................................................................................................................................8 G
(Triple Section) ..................................................................................................................................................................................................5 G
(Quadruple Section) ..........................................................................................................................................................................................3 G
Contact Resistance .......................................................................................................................................................................10 milliohms maximum
Contact Bounce ......................................................................................................................................................................... 0.1 millisecond maximum
Shock (Dual Section) ........................................................................................................................................................................................................20 G
(Triple Section) ....................................................................................................................................................................................................15 G
(Quadruple Section) ............................................................................................................................................................................................10 G
Contact Resistance .......................................................................................................................................................................10 milliohms maximum
Contact Bounce ......................................................................................................................................................................... 0.1 millisecond maximum
Switch Actuating Torque (50% Duty cycle @ Rated Power Load) .................................................................................1.41 to 4.94 N-cm (2 to 7 oz.-in.)
Contact Resistance .....................................................................................................................................................................100 milliohms maximum
Moisture Resistance (MIL-STD-202, Method 106, Condition B)
Contact Resistance (0.1 VDC-10 mA) ..........................................................................................................................................10 milliohms maximum
Switch Housing Material ................................................................................................................. High temperature, flame retardant, thermosetting plastic
Mechanical Characteristics
1
Actuating Torque (Each Section, Switch Module Only) ......................................................................................................3.53 to 10.6 N-cm (5 to 15 oz.-in.)
Running Torque (Out of Detent, 2-4 Module Assembly) ....................................................................................................0.21 to 1.41 N-cm (0.3 to 2 oz.-in.)
Detent ....................................................................................................................................................................................................CW or CCW standard
Contact Materials......................................................................................................................................................................... Fine silver with gold overlay
Terminal Styles .................................................................................................................................................................................................Solder lug only
Standard Orientation .............................................................................................................................................................In-line with control terminals
Optional .........................................................................................................................................................................Rotated 90 ° CCW from standard
Terminal Strength (Before and After Soldering Heat Exposure) ........................................................................................................ 0.9 Kg (2 lbs.) minimum
1
NOTE: Model 81/82 performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
Electrical specifications tested at 250 RPM, at room ambient: +25 °C nominal.
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.
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.
Terminal outlines shown as solid lines represent PC Pins, available
on Model 81. Dashed line terminal outline represents "J" Hook,
available on Model 82.
5.97 ± .38
(.235 ± .015)
5.08 ± .38
(.200 ± .015)
12.7
(.50)
5.33 ± .76
(.210 ± .03)
10.16 ± .13
(.400 ± .005)
Note: For units with dual concentric shaft styles, a
2.54 (.100) spacer is added between the module(s) driven
by the outer shaft and those driven by the inner shaft.
For G, K, or V shafts, add the spacer between
modules 1 and 2. For L or M shafts, add the spacer
between modules 2 and 3. For N or P shafts, add the
spacer between modules 3 and 4.
SLOTTED SHAFT
*EXCLUDES MODELS 83 AND 84
DIMENSIONS:
MM
(INCHES)
Suggested Panel Layout
B
C
BUSHING
A, B & J
E
DIM A
9.91
(.39)
ANTI-ROTATION LUG
A
B
C
E
F
J
K
DIM B
7.75
(.305)
7.75
(.305)
N/A
13.49
(.531)
N/A
9.53
(.375)
9.53
(.375)
DIM C
N/A
7.75
(.305)
7.75
(.305)
N/A
N/A
N/A
9.53
(.375)
DIM D
N/A
N/A
N/A
N/A
7.75
(.305)
N/A
N/A
DIM E
2.49
(.098)
2.49
(.098)
2.49
(.098)
3.45
(.136)
2.54
(.100)
2.54
(.100)
2.54
(.100)
D
A
C, E & N
R&S
U
6.73
(.265)
10.5
(.413)
7.5
(.295)
DIMENSIONS:
MM
(INCHES)
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.
85/86 – 5/8 ˝ Square Single-Turn Panel Control with Rotary Switch
Product Dimensions
Primary Potentiometer Module
Model 85/86
14.53
(.572)
9.58 ± .38
(.377 ± .015)
Secondary Potentiometer Module
Model 85/86
10.16
(.400)
15.88
(.625)
15.88
(.625)
Shaft Flat Orientation*
120 ° ± 5 ° CCW END
30 ° ± 5 °
12.7
(.50)
5.97
(.235)
8.56
(.337)
1.60
(.063)
FLATTED SHAFT
5.08
(.200)
SLOTTED SHAFT
*EXCLUDES MODELS 83 AND 84
5.08
(.200) 8.56
(.337)
5.08
(.200)
Switch Module
Model 85/86
REAR
PLATE
COVER
2.77
(.109)
1.35
(.053)
2.29
(.090)
TYP.
6 PLACES
Assembly Sequence
Model 85/86
Secondary Potentiometer Module
Switch Module Terminal Orientation
3
1
4
2
3
1
18.42
(.725)
2.41
1.14
(.095)L X (.045)W
SLOT TYP. 6 PLACES
4
2
HORIZONTAL ORIENTATION
(Types R56, R57, R58 & R59)
VERTICAL ORIENTATION
(Types R50, R51, R52 & R53)
2.92
(.115)
9.53
(.375)
REAR
COVER
PLATE
SWITCH
MODULE
PRIMARY
POTENTIOMETER
MODULE
4
2
3
1
3
1
4
2
DPST (NO/NC)
(TYPES 50, 51, 56, 57)
DPST (NO/NO)
(TYPES 52, 53, 58, 59)
Switch contacts shown in detent position.
Locating Lug Options - All Model 80 Series
A
.46
(.018)
7.75
(.305)
E
13.49
(.531)
J
9.53
(.375)
.79 ± .41
(.031 ± .016)
E = 2.36 ± .76
(.093 ± .03)
H & J = 1.98 ± .41
(.078 ± .016)
2.31
(.091)
3.18
(.125)
.46
(.018)
2.36
(.093)
7.75
(.305)
A
C
7.75
(.305)
.46
(.018)
.79 ± .41
(.031 ± .016)
MOUNTING
SURFACE
TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ±
RECOMMENDED
PANEL LAYOUT
7.75
#40 DRILL
(.305)
2.49
DIA.
(.098)
9.91
DIA.
(.390)
.127
(.005)
.XX ± .38
(.015)
ANGLE ± 5 %
2.31
(.091)
DIMENSIONS:
MM
(INCHES)
NOTE: "D" OPTION - NO A/R LUG. OTHER LOCATING LUG OPTIONS AVAILABLE. CONSULT FACTORY FOR DETAILS.
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.
I would like to ask for advice from you experts. I heard that small household appliances such as air purifiers are using Renesas microcontrollers. I don’t know which model they are using. Can anyone g...
Main features of SI24R1 chip: Ultra-low shutdown power consumption: < 0.7 uA Ultra-low standby power consumption: < 15 uA Transmitting current (2Mbps): < 12 mA (0dBm) Maximum transmitting power: 7dBm ...
[i] My child is learning to walk, so I want to make an anti-lost device. I asked many IC suppliers but they all ignored me:'(. Is there such an IC for sale in the electronics market? Do they have to d...
I used to use a wire to short pins 3 and 4, and my chip would reset. When I short pins 15 and 16, the chip would not reset. I tested it today and found that it does not work. I don't understand why. P...
I see that many applications that require fast processing seem to use DSP more often. What if FPGA is used for image processing? What are its characteristics or advantages? Also, what are its technica...
On August 24th, Tesla CEO Elon
Musk
revealed information about the upcoming FSD V14, claiming it will outperform human drivers. Tesla FSD lead Ashok stated last year that FSD version 12.5, ...[Details]
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
In recent years, with the increasing demand for manufacturing and automated production management, industrial barcode scanners have gradually become an indispensable part of the industrial manufact...[Details]
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
Recently, South Korean robotics giant WIRobotics launched its first general-purpose humanoid robot, ALLEX, at the Robotics Innovation Center (RIH) at the Korea University of Science and Technology....[Details]
On August 22, the National Energy Administration released the latest data, showing that by the end of July 2025, China's total number of electric vehicle charging infrastructure will reach 16.696 m...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[Details]
1. Ease of Use: The HMI module should be designed to be simple and clear, allowing users to easily operate and configure the energy storage device.
2. Ease of Maintenance: The HMI module should...[Details]
With the continuous development of the industrial automation industry, we are seeing an increasing number of intelligent devices using flexible, efficient, and precise robotic arms to p...[Details]
On August 22, according to CNBC's report today, the National Highway Traffic Safety Administration (NHTSA) is launching an investigation into Tesla, and the latter is questioned whether it has fail...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
Teletrac Navman has launched the Multi IQ dashcam, a cloud-based solution designed for large commercial vehicle operators. It connects up to five cameras to cover the vehicle's interior, sides, and...[Details]