Datasheet> 器件分类 > 无源元件> 电阻器> 85J4B-A20-C20/R50

文档预览

85J4B-A20-C20/R50: 产品描述Potentiometer, Cermet, 2W, 100000ohm, 10% +/-Tol, -150,150ppm/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

85J4B-A20-C20/R50概述

Potentiometer, Cermet, 2W, 100000ohm, 10% +/-Tol, -150,150ppm/Cel,

85J4B-A20-C20/R50规格参数

参数名称	属性值
是否Rohs认证	不符合
Objectid	758455942
Reach Compliance Code	unknown
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	55.89 mm
额定功率耗散 (P)	2 W
电阻	100000 Ω
电阻器类型	POTENTIOMETER
旋转角	225 deg
系列	85(QUAD)
技术	CERMET
温度系数	150 ppm/°C
容差	10%

文档预览

下载PDF文档

全文
预览

VE S CO

AV R M

AI SIO PL

LA N IA

BL S NT

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

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

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

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

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

Contact Resistance (0.1 VDC-10 mA) ..................................................................................................................................................... 10 milliohms nominal

Contact Bounce ................................................................................................................................................................................ 5 milliseconds maximum

Dielectric Withstanding Voltage (MIL-STD-202, Method 301)

Sea Level ............................................................................................................................................................................................. 1500 VAC minimum

Insulation Resistance ....................................................................................................................................................................... 1000 megohms minimum

Environmental Characteristics

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

Shock (Dual Section) ......................................................................................................................................................................................................... 20 G

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.)

Moisture Resistance (MIL-STD-202, Method 106, Condition B)

Contact Resistance (0.1 VDC-10 mA) ............................................................................................................................................ 10 milliohms maximum

Insulation Resistance (After 24 Hours @ Room Temperature) (500 VDC) .................................................................................... 100 megohms minimum

Switch Housing Material ................................................................................................................. High temperature, ﬂame retardant, thermosetting plastic

Mechanical Characteristics

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

Actuation Angle ...................................................................................................................................................................................................................25 °

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

推荐资源

各种保护电路的结构和工作原理图c

LM2575-5.0降压型开关稳压器基本应用电路图

利用乘除法集成电路组成的乘法器电路

夜间目标显示电路

自动扶梯的接地安全保护电路

WINCE调试连接问题: 我的环境基本情况： D:\我的文档\My Pictures\build.gif D:\我的文档\My Pictures\config.gif D:\我的文档\My Pictures\kernel.gif D:\我的文档\My Pictures\sync.gif activesync 是通 ......; lwq8552 嵌入式系统

▆▆◣省级、国家级、经济核心期刊面向全国征集学术论文: ▆▆◣省级、国家级、经济核心期刊面向全国征集学术论文 ★★★经济类省级期刊征稿经济类杂志由黑龙江省信息中心主管主办。省一级,国家二级期刊，国际大16开彩色印刷。国内统一刊号：CN23-10 ......; 酷2008 聊聊、笑笑、闹闹

LOCATING CONSTANT (CODE) VARIABLES IN A CODE BANK: ]原文： Applies to: LX51 Linker/Locator Information in this article applies to: * C51 Version 6.32a and Later QUESTION How do I locate a constant variable in a c ......; apafta 嵌入式系统

MCGS视频教程: MCGS视频教程，共7个分卷，供新手入门学习之用。MCGS组态软件，分为通用版、网络版、嵌入版，作为学习之用，我用的是通用版，到官网里可以下载，虽然有运行30分钟限制，但是学习的话，完全可以 ......; David_Lee 工业自动化与控制

PLC I/O端口输入线选用不当造成IO损坏: 我单位有台FX2N-128R的三菱PLC，在使用中一个输入线路在3各月内损坏了3个输入，并且间隔时间不常就坏一个。最后我对这条线路进行了检查，发现在更换新的开关时，原电工把输入线路也换成了橡套电 ......; xingmiao 工业自动化与控制

wince5.0的模拟器怎么关联到vs2005: 小弟初次接触CE开发,有个问题请教各位高人,我用VS2005开发的程序怎么能部署到wince5.0的模拟器上啊,有谁会请告诉下,请详细写下wince5.0的模拟器是从哪下的,还有和vs2005关联的具体步骤,谢谢拉...; yoyo8592 嵌入式系统

光伏直流熔断器如何申请UL248认证？

光伏直流熔断器是一种用于保护光伏电池组件、逆变器和直流负载的安全装置。为了保证其安全性和可靠性，需要通过UL248认证。在申请UL248认证之前，首先需要确定该产品符合UL标准的要求。UL标准可以通过官方网站或者相关资料获取。然后，需要选择一家符合要求的第三方测试机构-安可捷进行测试。测试公司会对光伏直流熔断器进行多项检测，包括电气性能、机械性能、绝缘性能等。测试结果需要符合UL标准...[详细]
新能源动力电池“三高”关键材料与技术分析和研究

前段时间参加了中国化学会第四届能源化学论坛学习了关于高比能高安全电池相关信息，再次总结和大家分享。全球新能源汽车（纯电和插混）销售量，2023年为1465万辆，2024年1823万辆。中国新能源汽车发展，迈入全球化的高质量发展新阶段，2023年新能源汽车累计销量950万辆，全球占比达到64.8，2024年累计销量达到1286万辆，全球占比70.5%。 2024年全球锂电池产量达...[详细]
电动汽车和燃油车它们各自的优势是什么

目前电动车来势汹汹，但只是表象而已。燃油车的地位依然无法撼动，电动汽车可以说在环保排放上有着得天独厚的优势，动力也不弱，远远超过同价位的燃油车，但是有很多缺点目前无法克服。电动车目前最大的瓶颈就是电池。电池能量密度低、容量衰减、充电困难以及安全系数是目前电动汽车发展遇到的主要问题。想要提高续航里程那么只需要加大电池容量即可，但是汽车不仅空间有限而且总质量也不宜过高，总质量过大则电耗也会加大...[详细]
智能座舱新“赛点”开局！巨头争夺下一风口话语权

全新一代座舱平台量产进程已经开启，智能座舱市场进入了技术迭代、平台升级的新红利周期。日前，上汽通用正式宣布，别克高端新能源子品牌“至境”首款智能豪华轿车——别克至境L7将搭载高通8775座舱芯片，预计今年下半年量产落地。另外最新消息显示，德赛西威第五代智能座舱G10PH已获得理想汽车新项目订单，并受到多家全球顶级主机厂的高度关注。资料显示，该平台可集成4-8B VLA大模型与云端高阶...[详细]
一款基于WIFI传输的便携式体征信息监测系统设计

As time goes by, people are increasingly concerned about their own and their families' health. However, existing monitoring devices for individual vital signs have struggled to gain market share du...[详细]
萨里大学发明新型人工智能系统或将改变自动驾驶汽车在无GPS情况下的导航方式

据外媒报道，萨里大学（University of Surrey）的研究人员开发出一种无需依赖GPS即可在人口密集的城市地区精确定位设备位置的人工智能系统。该系统可将定位误差从734米缩小到22米以内，这对于自动驾驶汽车和救援车辆等技术的发展意义重大。图片来源：萨里大学在发表于《IEEE Robotics and Automation Letters》的论文中，研究人员介绍了PEn...[详细]
共享智慧的变革：研究人员开发群体智能机器人

在自动化技术突飞猛进的今天，机器人之间的协作已不再是科幻场景。试想这样的画面：数十台机器在仓库中搬运货物却互不干扰；在一个餐厅里，机器人能准确将菜品送至指定餐位；又或者在一个工厂里，机器人团队可以根据需求动态调整任务分工。（图片来源：ieeexplore.ieee.org）据外媒报道，国际研究团队依托基于ROS2的开源框架开发新系统，使多个机器人能以智能、灵活且安全的方式协同作业，...[详细]
是德科技研究发现：人工智能发展速度已超越基础设施准备程度

随着AI在各个行业中加速发展，对数据中心基础设施的需求也在迅速增长是德科技与Heavy Reading合作发布了《超越瓶颈：2025年AI集群网络报告》，探讨运营商如何演进以适应人工智能（AI）工作负载的规模和速度。报告显示近九成（89%）电信和云服务提供商计划扩大或维持AI基础设施投资，其中前三大增长因素分别为云集成（51%）、更高速的GPU（49%）和高速网络升级（45%）。 ...[详细]
电动汽车在雨天打雷时可以给汽车进行充电吗

电动汽车由电能来进行驱动，而充电时作为车辆补充能量来源的装置，开车再外需要对于车辆进行补充电量时常见的事情，而在雨天打雷的时候，可以给汽车充电吗？对于电动汽车来说在雷雨天气下是可以对于车辆进行充电的。说到这里我们从电动汽车充电安全上面来说起，车辆充电需要经过充电桩，通过充电桩输出电压和电流，进入到车辆电池内部，从充电桩到车辆的充电口，通过导线相连，而充电枪是直接插入到车辆的充电口当中，根据...[详细]
应用案例 | 当机械臂抓取物料时，如何精准拿捏尺度？

随着工业自动化行业的不断发展，可以看到越来越多的智能设备采用灵活、高效、精准的机械臂完成定位抓取、组装等。最常见的是使用机器视觉应用，机器视觉将目标物体的图像信息通过光学设备和传感器获取后，将其转化为数字化信息（坐标位置和角度），并依据控制单元指导，使机器可以有效地执行任务。但这次的任务中，我们选择了更经济的激光位移测距方案来实现机械臂的定位抓取，本期小明就来分享一下具体的应用情况~...[详细]
R型控制变压器在哪些场合得到广泛应用？

日常生活中电源变压器会因为使用场景的不同，电源变压器各自的功能和使用也有所不同，最常见到的可以分为：控制变压器、隔离变压器、整流变压器、三相/单相变压器、高压变压器、工频变压器、低频变压器等，那今天我们就来说说R型控制电源变压器他的功能和有哪些作用，下面我们一起来看看。首先，让我们来看看R型控制变压器的工作原理。控制变压器通常采用电磁感应的工作原理，主要由主线圈和次线圈组成，次线圈在主线圈...[详细]
福特汽车申请车门防撞击系统专利

据外媒报道，福特汽车（Ford Motor）已向美国专利社保局（USPTO）申请一项车门防撞击系统专利，该系统可能应用于未来的福特汽车。该专利于2024年2月9日提交，并于2025年8月14日发布，序列号为0256665。图片来源：USPTO 福特最近提交了一些颇具意义的专利，其中许多旨在防止特定部件被盗，甚至防止车辆打滑。多年来，=许多人经常遇到的另一个问题是，停车场里有人打开车门...[详细]
虹科干货 | 简单几步教您使用工业树莓派实现HTTP协议数据上传至云平台

HTTP是超文本传输协议的英文缩写，是基于TCP/IP通讯协议之上用来传输HTML和图片文件的应用协议，它是一个应用层面向对象的协议，优点是简捷、快速，适用于分布式超媒体信息系统。 HTTP协议主要工作于B-S架构之上，这个时候浏览器作为HTTP的客户端通过URL向HTTP的服务器（web服务器）发送所有请求，web服务器根据接收到的请求后，向客户端发送响应信息。客户端向服务器请求发送时，需...[详细]
瑞萨电子全新超低功耗RA4C1 MCU具备高级安全性和专用外设集

瑞萨电子全新超低功耗RA4C1 MCU具备高级安全性和专用外设集，是表计应用及其他应用的理想选择全新产品满足DLMS Suite2表计应用安全法规，提供丰富的通信选项、电容式触摸界面，以及支持软件更新的双区闪存 2025 年 8 月 21 日，中国北京讯 - 全球半导体解决方案供应商瑞萨电子今日宣布推出基于80MHz Arm ® Cortex ® -M33处理器的RA4C1微控制器...[详细]
东芝推出小型封装车载光继电器，可实现车载电池系统1500V输出耐压

中国上海，2025年8月21日—— 东芝电子元件及存储装置株式会社（“东芝”）今日宣布，推出一款采用小型SO12L-T封装的车载光继电器 “TLX9161T” ，该产品输出耐压可达1500V（最小值），可满足高压车载电池应用所需。新产品于今日开始支持批量出货。更短的充电时间以及更长的续航里程对于电动汽车的普及发展至关重要，而解决这些问题的关键就是电池系统的更高效地运行。电池管理系统（...[详细]

器件捷径: 00 01 02 03 04 05 06 07 08 09 0A 0C 0F 0J 0L 0M 0R 0S 0T 0Z 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 1H 1K 1M 1N 1P 1S 1T 1V 1X 1Z 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 2G 2K 2M 2N 2P 2Q 2R 2S 2T 2W 2Z 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F 3G 3H 3J 3K 3L 3M 3N 3P 3R 3S 3T 3V 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4M 4N 4P 4S 4T 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5E 5G 5H 5K 5M 5N 5P 5S 5T 5V 60 61 62 63 64 65 66 67 68 69 6A 6C 6E 6F 6M 6N 6P 6R 6S 6T 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7M 7N 7P 7Q 7V 7W 7X 80 81 82 83 84 85 86 87 88 89 8A 8D 8E 8L 8N 8P 8S 8T 8W 8Y 8Z 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9F 9G 9H 9L 9S 9T 9W

热门器件

开源项目推荐更多

热门活动更多

热门文章更多

技术资料推荐更多