电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

85J3A-G40-S20/R57

产品描述Potentiometer, Conductive Plastic, 0.75W, 100000ohm, 10% +/-Tol, -1000,1000ppm/Cel,
产品类别无源元件    电阻器   
文件大小363KB,共6页
制造商Bourns
官网地址http://www.bourns.com
下载文档 详细参数 全文预览

85J3A-G40-S20/R57概述

Potentiometer, Conductive Plastic, 0.75W, 100000ohm, 10% +/-Tol, -1000,1000ppm/Cel,

85J3A-G40-S20/R57规格参数

参数名称属性值
是否Rohs认证不符合
Objectid780338224
Reach Compliance Codeunknown
ECCN代码EAR99
构造Square
最高工作温度125 °C
最低工作温度-40 °C
封装高度18.42 mm
封装长度15.88 mm
封装形式Panel Mount
封装宽度45.73 mm
额定功率耗散 (P)0.75 W
电阻100000 Ω
电阻器类型POTENTIOMETER
旋转角225 deg
系列85(TRIPLE)
技术CONDUCTIVE PLASTIC
温度系数1000 ppm/°C
容差10%

文档预览

下载PDF文档
*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
RoHS compliant versions available*
for “on-off” function control
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.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications
基于GPRS AT指令发彩信 图片
各位朋友大家好啊 请教个问题 怎么在GPRS下 用AT 指令发彩信啊? 望哪位高手赐教啊,彩信的编码(图片)是怎么样的啊,难道还是Unicode编码吗。? 能不能举个例子 或 介绍 ......
yanxinghua 嵌入式系统
Beaglebone DS18B20 1602LCD(3.3V)
小弟最近在做一个基于Beaglebone的GSM无线温度报警的设计,温度传感器用DS18B20传感器,显示用1602,现在1602能够在正常的显示,但是DS18B20不能正确检测到初始化信号。(接的上拉电阻,一直检 ......
windboy123 DSP 与 ARM 处理器
使用VxWorks进行串口通信时遇到的诡异问题(基于Vmware)
  先说一下环境,使用Vxworks5.5+Tornado2.2,BSP是Pentium4的,因为没有奔四的机器,所以在机器上用Vmware虚拟了一个机器,编译好的自启动vxworks镜像就在虚拟机上运行。一共有3台PC作了这样 ......
szhgx26 实时操作系统RTOS
关于晶振1问?
各位大虾:MSP430F2012有自带的LF振荡电路,只要在外部XTin加入晶体就可以让它起振,从而给430提供时钟了 。请问能用带压控的高温晶体振荡器做为MSP430的时钟输入源吗?能的话怎样做?谢谢。...
lian 微控制器 MCU
電容
请问图片中的K与X7R代表什么意思? ...
zhonghuadianzie PCB设计
SensorTile.box实验,打爆一个气球需要多大气压?
https://www.bilibili.com/video/BV1Zh411y7cm ...
littleshrimp ST传感器与低功耗无线技术论坛

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 2877  531  238  2242  907  11  40  49  47  16 

器件索引   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

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 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 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved