EEWORLDEEWORLDEEWORLD

Part Number

Search

85A2B-C20-D20/R55

Description
Potentiometer, Conductive Plastic, 0.5W, 100000ohm, 20% +/-Tol, -1000,1000ppm/Cel,
CategoryPassive components    The resistor   
File Size398KB,6 Pages
ManufacturerBourns
Websitehttp://www.bourns.com
Download Datasheet Parametric View All

85A2B-C20-D20/R55 Overview

Potentiometer, Conductive Plastic, 0.5W, 100000ohm, 20% +/-Tol, -1000,1000ppm/Cel,

85A2B-C20-D20/R55 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Objectid773365331
Reach Compliance Codeunknown
YTEOL0
structureSquare
Lead length12.7 mm
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package height18.42 mm
Package length15.88 mm
Package formPCB Mount
Package width35.57 mm
Rated power dissipation(P)0.5 W
resistance100000 Ω
Resistor typePOTENTIOMETER
rotation angle225 deg
series85(DOUBLE)
technologyCONDUCTIVE PLASTIC
Temperature Coefficient1000 ppm/°C
Tolerance20%
*R
oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
Metal shaft and bushing
Consistent, smooth quality feel
Up to 4 sections available
Rotary switch option designed
Non-RoHS models are currently
available, but not recommended
for new designs. See
Product
Obsolescence Memo
for details.
for “on-off” function control
RoHS compliant versions available*
81/82 - 5/8 ” Square Single-Turn Panel Control
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 %
Independent Linearity .................................................................................±5 % ...................................................... ±5 %
Absolute Minimum Resistance ...................................................................2 ohms maximum .................................. 2 ohms maximum
Effective Electrical Angle ............................................................................(Linear tapers) 240 ° ± 5 °...................... (Linear tapers) 240 ° ± 6 °
(Audio tapers) 225 ° ± 5 ° ...................... (Audio tapers) 225 ° ± 6 °
Contact Resistance Variation .....................................................................±1 % ...................................................... ±1 % or 3 ohms (whichever is greater)
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ..............................................................................................1,500 VAC minimum .............................. 1,500 VAC minimum
70,000 Feet ..........................................................................................500 VAC minimum ................................. 500 VAC minimum
Insulation Resistance (500 VDC) ................................................................1,000 megohms minimum ..................... 1,000 megohms minimum
Power Rating At 70 °C (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)
+70 °C Single Section Assembly .........................................................(Linear tapers) 0.5 watt .......................... (Linear tapers) 2 watts
(Audio tapers) 0.25 watt ........................ (Audio tapers) 1 watt
+70 °C Multiple Section Assembly.......................................................(Linear tapers) 0.5 watt/section ............. (Linear tapers) 1 watt/section
(Audio tapers) 0.25 watt/section ........... (Audio tapers) 0.5 watt/section
+125 °C ................................................................................................0 watt..................................................... 0 watt
Theoretical Resolution ................................................................................Essentially infinite .................................. Essentially infinite
Environmental Characteristics
1
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
±10 % TRS max. (whichever is greater)
(Audio taper) ±20 % maximum
Contact Resistance Variation @ 50,000 cycles
(Audio taper) ..................................................................................±3 % ...................................................... ±3 %
(Linear taper) .................................................................................±2 % ...................................................... ±2 %
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift ...........................................................................(B & E tapers) ±10 % maximum ........... ±5 % maximum (all tapers)
(D, G, S & T tapers) ±20 % maximum
Insulation Resistance (500 VDC) ..........................................................100 megohms minimum ........................ 100 megohms minimum
IP Rating .....................................................................................................IP 40 ...................................................... IP 40
Mechanical Characteristics
Stop Strength
1/4 ” and 1/8 ” diameter shafts ......................................................................................................................................................... 45.19 N-cm (4 lb.-in.)
7/8 ” length shaft ................................................................................................................................................................................. 22.6 N-cm (2 lb.-in.)
Mechanical Angle ...................................................................................................................................................................................................... 300 ° ±5 °
Torque
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 and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
How to Improve the Light Color Performance of White Light LEDs
When the chip junction temperature rises from 25℃ to 120℃, the light decay of blue LED is within 5%, while the light decay of white LED is 30%. This shows that the attenuation of white LED light effec...
探路者 LED Zone
How to fix the problem of using 12864 LCD to display DS18b20 temperature in real time but the digital tube always displays garbled characters?
Use 12864 LCD to display DS18b20 temperature in real time. 12864 can indeed display real-time temperature, but I don't know why the digital tube is always garbled. Please tell me how to solve this pro...
Illxy 51mcu
Ask for help CC2541 using SmartRF download error
I have a CC2541 board. I connected CCDebug and used IAR to download the routine. It showed that the download was successful, but the board did not respond. The voltages of each pin were different from...
ciker_li Wireless Connectivity
Let's discuss how many people you think should be invited.
[i=s]This post was last edited by Shenzhen Xiaohua on 2021-6-26 06:13[/i]Let's discuss how many people you think should be invited....
深圳小花 MCU
Seeking cooperation——About USB driver
My company is in Beijing. We already have USB data acquisition cards and their drivers under WinXp. We need to develop drivers under Wince5.0 on the ARM9 platform. If you are interested, please contac...
jrbird Embedded System
Qinheng CH37X series interface chip application reference example
Based on STM32 example reference code 1. CH375 host mode, based on STM32F429 to operate keyboard and mouse and other devices, provides FMC parallel port and serial port communication modes, and suppor...
火辣西米秀 Domestic Chip Exchange

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2223  481  1351  1497  39  45  10  28  31  1 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号