85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch
Potentiometer Specifications
Initial Electrical Characteristics
1
Conductive Plastic Element
Cermet Element
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 %
Absolute Minimum Resistance ...................................................................2 ohms maximum .................................. 2 ohms maximum
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
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)
IP Rating .....................................................................................................IP 40 ...................................................... IP 40
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, except where noted in the part number.
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.
1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
*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
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.
DPDT ................................................................................................................................................................................2 N.O./N.C. (break before make)
Power Rating (Resistive Load):
DPST ............................................................................................................ 2 A @ 125 volts RMS-60 Hz or 2 A @ 28 VDC, 1 A @ 250 volts RMS-60 Hz
DPDT ........................................................................................................................................................... 1 A @ 125 volts RMS-60 Hz or 1 A @ 28 VDC
Operating Temperature Range ...........................................................................................................................................................................0 °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
Rotational Life ..................................................................................................................................................................................................... 25,000 cycles
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
NOTE: Model 81/82 performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
As an electronic control component, the electronic expansion valve has the advantages of high precision, fast and accurate action, obvious energy saving effect, etc., and is combined with other intell...
I am currently working on my graduation project and I need to make a board. I have drawn the schematic, but I don't know how to choose the packages for the components. There is an integrated package l...
[i=s]This post was last edited by zhang7309 on 2019-6-21 23:25[/i]Project Name: Indoor Environment Monitoring Terminal
1. Introduction:The indoor environment monitoring terminal can monitor the indoor...
In 28035, an error pops up when using trigonometric functions in IQmath? I used one of the sin functions and the following window popped up when compiling:...
Two high-performance video processors 1) x3 1080p 60fps or 2) x12 720p 30fps or 3) other combinations Gigabit Ethernet, PCI Express, SATA2, DDR2, DDR3, USB 2.0, MMC/SD, HDMI and DVI seem very powerful...
[i=s] This post was last edited by fightingboy on 2014-9-4 01:37 [/i] When I was reading the user guide, I saw the characteristics of one of the GPIO registers, GPxDAT, as shown in the figure:He meant...
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
Introduction
With the development of mobile internet, technological advancements, and the introduction of high-performance, low-power processing chips, the variety of smart wearable devices has...[Details]
On August 8th, at the 2025 World Conference held in Beijing, Orbbec, under the theme of "Inspired and Dynamic," unveiled a new lineup of sensing products for the robotics field. Among them were the...[Details]
Automotive electronics is a general term for both vehicle-mounted and onboard electronic control devices. Automotive electronics is considered a revolution in automotive technology, and its degree ...[Details]
1. Working Principle, Characteristics and Applications of Semiconductor Light Emitting Diodes
(1) LED lighting principle
Light-emitting diodes are made of semiconductors from Group ...[Details]
Due to its numerous advantages, including low power consumption, high image quality, and lightweight design, LCD (particularly AM-LCD) has become the dominant technology in the flat-panel display f...[Details]
August 12, 2025 – Mouser Electronics, an authorized global distributor of electronic components and industrial automation products focused on New Product Introduction (NPI), is the authorized globa...[Details]
A recent test conducted by Autohome has sparked considerable discussion in the industry. Tesla, a company primarily relying on pure vision, achieved top ranking thanks to its outstanding performanc...[Details]
Plant roots are the primary organs for absorbing water and nutrients, and their structure and distribution directly affect crop yield and adaptability. However, root growth mostly occurs within the...[Details]