Datasheet> 器件分类 > 无源元件> 电阻器> 85B4D-A16-C12/R54L

文档预览

85B4D-A16-C12/R54L: 产品描述Potentiometer, Cermet, 2W, 2500ohm, 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; 标准

下载文档详细参数全文预览

85B4D-A16-C12/R54L概述

Potentiometer, Cermet, 2W, 2500ohm, 10% +/-Tol, -150,150ppm/Cel,

85B4D-A16-C12/R54L规格参数

参数名称	属性值
是否Rohs认证	符合
Objectid	778332253
Reach Compliance Code	not_compliant
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	55.89 mm
额定功率耗散 (P)	2 W
电阻	2500 Ω
电阻器类型	POTENTIOMETER
旋转角	225 deg
系列	85(QUAD)
技术	CERMET
温度系数	-150,150 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

这种警告不能忽略: 很多时候，编译程序，没有error，有warning，也能正常运行。但有的时候，却出现问题。 ..\User\main.c(106): warning: #223-D: function "delay_ms" declared implicitly 这虽然是个警告 ......; ienglgge stm32/stm8

如何去除WINCE主界面上的WINCE版本信息？: 如题，在explorer界面WINCE LOGO下有行WINCE版本信息，如何去掉改行文字？...; fsaok 嵌入式系统

李开复　完美的搜索就是不搜索: 　　我认为完美的搜索就是：我问一个问题，它给我一个答案（并且是正确的），而不是一个网页！让每一本书都能在Google中搜索到开复先生告诉记者，Google的图书搜索项目已经做了几年，目前与 ......; soso 无线连接

求助：从应用程序烧写flash问题: 用的是华恒AT91ARM9200的板子，因为初始设定是需要从uboot下把image烧到板子上，现在希望实现能从应用程序中直接烧写，下面是我的代码。若zImage与通过uboot烧上板子的image是同一个的话，执行 ......; news986 嵌入式系统

使用支持BLE 4.2规范的芯片进行实现应用系统设计: 蓝牙4.2规范提供了三项全新特性，使基于BLE的无线系统比之前的系统更快、更安全、更高效，包括数据长度扩展、低功耗安全连接以及链路层隐私保护。但是，想要完全支持这些特性，则需要升级链路层 ......; ohahaha 无线连接

modbus协议: 　　如今工业控制已从单机控制走向集中监控、集散控制，在这个过程中网络担任了相当重要的角色。　　modbus是现场总线网络协议的一种，正得到越来越广范的应用。这个便是modbus协议的中文手册 ......; kernelpanic NXP MCU

单片机STM32的5个时钟源知识

　　众所周知STM32有5个时钟源HSI、HSE、LSI、LSE、PLL，其实他只有四个，因为从上图中可以看到PLL都是由HSI或HSE提供的。　　其中，高速时钟(HSE和HSI)提供给芯片主体的主时钟.低速时钟(LSE和LSI)只是提供给芯片中的RTC(实时时钟)及独立看门狗使用，图中可以看出高速时钟也可以提供给RTC。　　内部时钟是在芯片内部RC振荡器产生的，起振较快，所以时钟在芯片刚上...[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]
基于8051内核的远程直流电源监控系统设计

1 Introduction In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[详细]
零基础入门stm32基本定时器详解

一、基本定时器介绍在STM32中，基本定时器有TIM6、TIM7等。基本定时器主要包含时基单元，提供16位的计数，能计数0~65535。基本定时器除了计数功能以外，还能输出给DAC模块一个TRGO信号。基本定时器框图如下：二、时基单元介绍 STM32的所有定时器都具备时基单元，时基单元的功能就是简单的计数，即计数时钟源TMxCLK的脉冲个数，这个时钟源来至APB1总线。高...[详细]
stm32相关笔记——ADC部分

我们在学习一门技术的时候，应该对它的理论部分有所了解，然后才能在实践中进一步加深理解，进而掌握。对于stm32来说，我认为学习的时候应该先仔细阅读相关的参考手册，然后再动手实践，这样才能理解得更加透彻，掌握得更加牢固！今天记录一下我学习stm32的ADC部分的了解。 1.介绍小结：stm32的ADC有18个通道（16个外部通道+2个内部通道），有单次、连续、扫描和间断四种模式，ADC...[详细]
STM32定时器输入捕获功能应用——超声波模块

一、工作原理输入捕获是STM32单片机定时器的一项重要的功能，应用很广泛，常用于测量脉冲宽度，周期等。超声波模块测距的原理是：单片机给超声波模块（我用到的超声波模块型号是HC-SR04，下面简称HC-SR04）发送一个大于10us的高电平，触发HC-SR04发出8个40kHz的方波，并自动检测是否有信号返回，如果有信号返回，就会通过Echo对单片机输出一个高电平，高电平的持续时间就是超声波从...[详细]
福特公开全宽侧帘式安全气囊专利

福特公开的一项专利提出将传统分段侧气帘替换为一体化的全宽侧帘式气囊，该气囊横跨整车侧面，可在前后车门区域同时展开，为所有乘员在侧向撞击发生的瞬间提供连续的保护屏障。图片来源：FORD AUTHORITY 该设计依托车内传感器的碰撞预判能力快速触发，旨在减少头部、胸腹与车门硬件接触造成的二次伤害；同时，气囊的整体式结构便于与现代化座舱布局、可变座椅和自动驾驶场景中的非传统座椅配置协同工作...[详细]
STM32-电源控制、低功耗模式

STM32的电源控制 STM32的电源框图 STM32的工作电压（VDD）为2.0～3.6V。通过内置的电压调节器提供所需的1.8V电源。当主电源VDD掉电后，通过VBAT脚为实时时钟(RTC)和备份寄存器提供电源。下面是STM32的电源框图：注意：框图中的VDDA和VSSA必须分别联到VDD和VSS。独立的A/D转换器供电和参考电压为了提高转换的精确度，ADC使用一个独立的...[详细]
以高整合度混合信号单片机实现两线式Force Sensor应用设计

　　1. 内容简介　　在2015年，苹果新一代的MacBook和Apple Watch皆搭载压力触控感应技术，它被Apple称为Force Touch，用户每次按下触控板之后除了可以在萤幕看见视觉回馈，它同时能够分辨出用户点按的力度强弱来做出一系列的相关操控与应用。而本文将介绍以HY16F184内建高精密Sigma-delta 24 Bit ADC搭配Uneo Force Sensor来实现一...[详细]
华为问界M7首搭舱内激光视觉方案，可识别锥桶等障碍物

8月20日，华为终端宣布全新问界M7首搭舱内激光视觉方案，该方案相较于主视觉辅助驾驶方案具备更强的主动安全能力，能在恶劣光线环境下精准检测突发状况，新增紧急转向辅助ESA，可识别锥桶等障碍物，提升出行安全。问界M7尺寸为5080×1999×1780mm，轴距3030mm，可选车顶有无激光雷达。无车顶激光雷达的车型将搭载舱内激光方案，号称“行业首发舱内激光”。华为智能汽车解决方案BU CEO靳玉志...[详细]
【E课堂】CCD摄像机的分类与特性指标详解

　　市场上大部分摄像头采用的是日本SONY、SHARP、松下、LG等公司生产的芯片，现在韩国也有能力生产，但质量就要稍逊一筹。因为芯片生产时产生不同等级，各厂家获得途径不同等原因，造成CCD采集效果也大不相同。　　　　CCD检测方法　　在购买时，可以采取如下方法检测：接通电源，连接视频电缆到监视器，关闭镜头光圈，看图像全黑时是否有亮点，屏幕上雪花大不大，这些是检测CCD芯片最简单直接...[详细]
采用 GaN 的 Cyclo 转换器如何帮助优化微型逆变器和便携式电源设计

1. 简介微型逆变器中的功率转换系统通常采用两级式设计，如图 1-1 所示。图 1-1. 微型逆变器两级拓扑在这种方案中，首先是一个直流/直流级（反激式或推挽式升压级），然后是另一个交流/直流级（自换向交流/直流或图腾柱 PFC），将光伏电池板提供的直流电转换为通常在 400VDC 左右的临时直流总线。然后，根据国家或地区的电网情况，将直流总线转换为交流电压 (110VAC...[详细]
在选择电动汽车时需要注意哪方面的细节

纯电动汽车，在近几年来有着极其迅猛的发展，至如今，不少消费者在选车买车时，都会将纯电动车型列入到自己的备选名单中。但你知道怎么选购一款满意且安全的纯电动汽车吗？什么样的纯电动汽车最值得选购？文章里告诉你答案。机械素质是许多消费者选择纯电动汽车所关注的第一要素，这其中包含有充电时长、充电功率、电动机输出功率以及至为重要的续航里程等。在这一系列的因素里，续航里程是需要着重关注的一个，续航里程的...[详细]
台积电Q2利润飙升60%，美国芯片工厂盈利

根据最新财报数据，得益于其在先进工艺领域的领先地位，台积电（TSMC）2025年第二季度利润表现极为亮眼，税后纯利润高达3982.7亿新台币，同比激增60%以上，净利润率更是达到了惊人的42.7%。更令人瞩目的是，台积电在美国的芯片工厂运营状况超预期，税后纯利润达到42.3亿新台币。尽管这一数字相对于公司总利润而言微不足道，但其象征意义深远，标志着台积电在美国市场的初步成功。台积电计划在美国...[详细]
极海APM32F407工业HMI应用方案助您增强交互体验

工业设备在提高工业自动化水平与加快生产效率上有着显著的推动作用。工业HMI（人机交互界面）作为用户与机器之间的沟通平台，具有转换信息、系统控制、人机交流等功能，助力完成工业控制中各种辅助智能操作。随着工业4.0的快速推进，人机交互应用的覆盖面也越来越广泛。工业HMI又称智能化触摸式操作控制显示装置，为满足企业对工业HMI高清化、集成化与智能化的交互需求，可利用MCU实现其基本功能并兼具成本效...[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