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 %
+125 °C ..............................................................................................0 watt...........................................................0 watt
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 ±10 % TRS max. .(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, 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.
1
At 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
Contact Bounce ..................................................................................................................................................................................5 milliseconds maximum
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
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
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.
1
At 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.
Test engineers, here’s a question:
In the past five years, what changes have taken place in your work tasks and intensity? Where does the pressure manifest itself? What are your expectations for futur...
[i=s]This post was last edited by ddllxxrr on 2014-10-17 09:05[/i] I downloaded Energia a long time ago, but I was busy with other things these two days and didn't unzip it. I thought it should be ver...
Make a very simple MOS switch circuit. When these MOS tubes are used as switch circuits, add a resistor between the gate and the source. Some online searches say that it is to ensure the effective and...
On a stormy night, you are driving a car and passing a bus station. There are three people waiting for the bus. One is a dying old man, so pitiful. One is a doctor who has saved your life and is a gre...
http://www.ec66.com/market/manual/OCMJ-D.pdf The PDF above, the last paragraph on page 13. It talks about the operation process of the MCU on the LCD module buffer and Display RAM. I would like to ask...
I have been paying attention to the content related to motor drive recently, and I found this course of TI very interesting. The speaker is an engineer with 34 years of experience in motor drive. The ...
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
Electric vehicles are composed of three main components: electric motors, electric motors, and electric vehicles. Maintenance is much simpler than for gasoline-powered vehicles. Maintenance for ele...[Details]
Common Mode Semiconductor has officially launched the GM6503 series—a 5 V, 3 A synchronous step-down DC/DC power module designed for optical communications, servers, industrial applications, and FP...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
In recent years, with the development of MOSFETs, they have gradually replaced transistors in the low-power, fast-switching industry. Major manufacturers in this field have also been reducing their...[Details]
Electronic devices are small individual components in electronic circuits. Transistors are common electronic components. Because of their wide range of applications, according to the usage of the e...[Details]
French market research firm Yole Group released its latest report on the global automotive
semiconductor market
on July 31, 2025.
The report shows that the automotive semiconductor market w...[Details]
Using the STM32F103 as a microprocessor, a low-cost wireless WiFi music player system was designed. This system, combined with the WM-G-MR-08 (wm631) module for WiFi data reception and the VS1003B ...[Details]
When installing circuits, we all hope to have a safe and protective electrical appliance. Circuit breakers and circuit breakers are such a thing. As we all know, a circuit breaker is an elect...[Details]
Abstract:
Electronic rearview mirrors offer advantages over traditional mirrors in intelligent connected vehicles, leading them to gradually replace them. However, their emergence also increa...[Details]