Datasheet> 器件分类 > 无源元件> 91A2D-B16-A

文档预览

91A2D-B16-A: 产品描述RES,TAPPED,CONDUCTIVE PLASTIC,25K OHMS,20% +/-TOL,-1000,1000PPM TC,6350 CASE; 产品类别无源元件; 文件大小211KB，共5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

91A2D-B16-A概述

RES,TAPPED,CONDUCTIVE PLASTIC,25K OHMS,20% +/-TOL,-1000,1000PPM TC,6350 CASE

RES,TAPPED,导电塑料,25K OHMS,20% +/-TOL,-1000,1000PPM TC,6350 CASE

91A2D-B16-A规格参数

参数名称	属性值
状态	ACTIVE
制造商系列	91
电阻类型	电位器

文档预览

下载PDF文档

全文
预览

Features

■

Features one-piece molded plastic shaft

and rotor assembly

Available in a variety of pin-out

configurations

Virtually infinite electrical circuit isolation

■

Model 96 sealed for board wash

Metal shaft available as special feature

91, 92, 93, 94, 95, 96, 99 - 5/8 ” Square Single-Turn Panel Control

99 - 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 .....................................................................10 % or 20 % .................................................5% or 10%

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 (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 ...............................................................+1 °C to +125 °C ............................................+1 °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 tapers) 10 ohms or ±15 % TRS max. ...(All tapers) ±5 % TRS max.

(whichever is greater)

(Audio tapers) ±20 % maximum

Contact Resistance Variation @ 50,000 cycles ..................................(Linear tapers) ±2 % .......................................±2 %

(Audio tapers) ±3 % .......................................±3 %

Moisture Resistance (MIL-STD-303, Method 103, Condition B)

Total Resistance Shift.........................................................................(Linear tapers) ±10 % TRS maximum ............(All tapers) ±5 % TRS maximum

(Audio tapers) ±20 % TRS maximum

Insulation Resistance (500 VDC) ........................................................100 megohms minimum.................................100 megohms minimum

IP Rating (Model 96) ...............................................................................IP 65 ...............................................................IP 65

(All Others) ..........................................................................................IP 40 ...............................................................IP 40

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

91, 92, 93, 94, 95, 96, 99 - 5/8 ” Square Single-Turn Panel Control

99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch

Potentiometer Specifications

Mechanical Characteristics

Stop Strength (1/4 ” D shaft)......................................................................................................................................................................45.19 N-cm (4 lb.-in.)

(1/8 ” D shaft) ....................................................................................................................................................................33.89 N-cm (3 lb.-in.)

Mechanical Angle ........................................................................................................................................................................................................300 ° ±5 °

Torque

Starting ....................................................................................................................................................................0.3 max. above average running torque

Running Torque

Single or Dual Section (A ,D & R Bushings) ..............................................................................................................0.21 to 1.06 N-cm (0.3 to 1.5 oz.-in.)

Single or Dual Section (C & U Bushings) ..................................................................................................................0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)

Mounting ............................................................................................................................................(Metal Bushing) 1.7-2.0 N-m (15-18 lb.-in.) maximum

Plastic Bushing) 56-79 N-cm (5-7 lb.-in.) maximum

Variation ................................................................................................................................................0.35 N-cm (0.5 oz.-in.) maximum in 45 ° shaft travel

Weight (Single Section) ..................................................................................................................................................................................7 grams maximum

(Each Additional Section) ..........................................................................................................................................................................4 grams maximum

Terminals..........................................................................................................................................................Printed circuit terminals, J-Hooks or solder lugs

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, date code, resistance, manufacturer’s part number

Ganging (Multiple Section Potentiometers)......................................................................................................................................................2 cups maximum

Hardware ............................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.

NOTE: ALL MODEL 90 PERFORMANCE SPECIFICATIONS DO NOT APPLY TO UNITS SUBJECTED TO PRINTED CIRCUIT BOARD CLEANING PROCEDURES, EXCEPT FOR THE SEALED

VERSION (MODEL 96).

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.

91, 92, 93, 94, 95, 96, 99 - 5/8 ” Square Single-Turn Panel Control

99 - 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

DPDT ..............................................................................................................................................................1 A @ 125 volts RMS-60 Hz or 1 A @ 28 VDC

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

Exposure Temperature Range ........................................................................................................................................................................-65 °C to +125 °C

Vibration (Dual Section) ..........................................................................................................................................................................................................8 G

Contact Resistance ............................................................................................................................................................................10 milliohms maximum

Contact Bounce..............................................................................................................................................................................0.1 millisecond maximum

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

Contact Bounce..............................................................................................................................................................................0.1 millisecond maximum

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

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

Mechanical Characteristics

Actuating Torque (Each Section, Switch Module Only) ......................................................................................................3.53 to 10.59 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..............................................................................................................................................................................................................20 ° ±5 °

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 99 performance specifications do not apply to units subjected to printed circuit board cleaning procedures.

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.

推荐资源

三音电子门铃

通过打印机端口测量温度

DM60l 8／DM6018C／DM6018F型 3 1/2位数字万用表电路

专用电压监视集成芯片MAX791

双探测元热释电红外传感器

电脑主板电路图 440LX_32

什么时候有复试结果: 本帖最后由 paulhyde 于 2014-9-15 09:20 编辑好奇怪，我看了黑龙江，陕西 B题目都推荐12，13个上国家，我是吉林的，为什么吉林省才4个队进国家呢 ...; sddof 电子竞赛

MCB1700 easyWEB下函数实现，求帮助！！！: 本人以太网方面菜鸟，最近看了KEIL下MCB1700 easyWEB例程不懂函数void CopyFromFrame_EMAC(void *Dest, unsigned short Size)是怎么实现的，请大神们结合以太网包格式讲解以下代码的具体实现 ......; xt14hdj NXP MCU

【SINA31s评测】NO.6 资源嗅探和GPIO操作: 趁周末，再更一贴 Linus said：so nvdia，fxxk you 所以linux至今也不完美支持nvidia独立显卡然后Linus又said：this whole ARM thing is a fxxking pain in the ass 所以linux ......; ljj3166 嵌入式系统

【玩转C2000 Launchpad】通用输入/输出模块(I/O): 1.多功能复用 GPIO 介绍 F2807提供了多个通用数字I/O引脚，大部分引脚的功能是复用的，通过GPIO多路开关寄存器（GPIO MUX）为这些功能复用的引脚选择工作方式，通过这些寄存器可以把这些引脚设 ......; qinkaiabc 微控制器 MCU

我的这个系统如何实现低功耗？: 我的这个系统包括：LCD12864显示，4*4键盘，双串口数据通讯其中LCD12864要随时更新显示串口0传来（软件滤波后）的数据；键盘要随时响应用户的按键操作；串口1随时响应上位机；我现在 ......; hoohoo2002 微控制器 MCU

请高手帮忙看看这个程序，有一个小BUG: 我写了一个简单的单片机的四人抢答器，但是十秒倒计时显示0之后他显示1，请帮忙看看是怎么回事,谢谢！程序如下： #include #define uchar unsigned char #define uint unsigned int uchar ......; tonylc 嵌入式系统

单片机STM32的启动文件详解--学习笔记

　　启动文件简介　　启动文件由汇编编写，是系统上电复位后第一个执行的程序。主要做了以下工作：　　1、初始化堆栈指针SP=_initial_sp 　　2、初始化PC 指针=Reset_Handler 　　3、初始化中断向量表　　4、配置系统时钟　　5、调用C 库函数_main 初始化用户堆栈，从而最终调用main 函数去到C 的世界　　查找ARM 汇编指令　　在讲解启动代码的时候，会涉...[详细]
并联逆变器的含义，电流顺时针流动

并联逆变器由两个晶闸管(T1和T2)、一个电容器、中心抽头变压器和一个电感器组成。晶闸管用于提供电流通路，而电感器L用于使电流源恒定。这些晶闸管由连接在它们之间的换向电容器控制导通和关断。并联逆变器是什么意思这互补换向方法用于打开和关闭电容器。互补换向意味着当T1接通时，点火角被施加到T2，然后电容器将关断T1。确切的情况是，当T2开启且点火角施加到T1时，由于电容电压，T2将关闭。输出...[详细]
对于纯电动汽车它是否是真的环保

近几年来，很多人都换上了新能源汽车，而这种车也确实受到了大力的追捧，也认为是未来汽车发展的方向，甚至将来会彻底地取代燃油车。但这些不过都是大家看到的表面现象，而事实上的新能源存在的问题还很多，之所以有这么多人选择了这种车，无非就是看上了国家补贴的政策，也就是说没有了这个补贴，或许这种车型也不会有如此快速的发展，但很多人都在怀疑，相比燃油车，这种车真的环保吗？电动汽车发展到现在也有百年的历史...[详细]
全域800V+大电池+全温域5C超充岚海智混技术发布

8月22日，岚图汽车通过线上直播形式正式发布了岚海智混技术。这一项融合了全域800V高压系统、全温域5C超充、63kWh超大电池于一体的智能混动技术，重新定义了混动技术的天花板，实现中国新能源汽车在混动领域的重大技术突破。技术破局，以创新引领混动行业变革中国新能源汽车产业走过了一条从政策驱动到市场驱动、从技术引进到自主研发的跃升之路。混动技术作为过渡阶段的关键路径，经历了四个阶...[详细]
天太机器人斩获全球首个万台人形机器人大单

8月20日，天太机器人有限公司与山东未来机器人技术有限公司、山东未来数据科技有限公司、港仔机器人集团等战略合作伙伴，共同签署全球首个具身智能人形机器人10000台订单。这不仅是全球人形机器人行业诞生以来数量最大的单笔订单，更意味着，曾被视作“科幻”的人形机器人，正式走出实验室、跨越概念阶段，作为一种可量产、可交付、可解决实际问题的生产力工具，浩浩荡荡地涌入现实世界的千行百业。天太机...[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]
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]
汽车电子的关键是什么

车辆采用的电子系统IC复杂性逐渐提高，希望借由执行人工智能（AI）算法控制自驾功能，同时也需满足《道路车辆功能安全ISO 26262》标准（以下简称《ISO 26262》）要求。因此，IC设计公司也正快速采用完整性的测试解决方案，以便达到相关标准要求。确保车辆电子能稳定的作法之一就是在功能运转期间执行定期测试，也就是在逻辑与存储器利用内建自我测试（Built-in Self Test;BI...[详细]
MODBUS转PROFIBUS网关YT-PB-03将仪表接入PROFIBUS的配制方法

工具/原料移通创联MODBUS转PROFIBUS网关YT-PB-03 西门子s7-300 本文主要介绍MODBUS转PROFIBUS网关YT-PB-03将仪表接入PROFIBUS的配制方法。移通创联MODBUS转PROFIBUS网关YT-PB-03广泛应用于变频器、电机启动保护装置、智能高低压电器、电量测量装置、各种变送器、智能现场测量设备及仪表等等,都可以使用该rs485转PROF...[详细]
快速入门 | 篇十五：运动控制器运动缓冲简介

之前正运动技术与大家分享了，运动控制器的固件升级、ZBasic程序开发、ZPLC程序开发、与触摸屏通讯和输入/输出IO的应用、运动控制器数据与存储的应用、运动控制器ZCAN、EtherCAT总线的使用、示波器的应用、多任务运行的特点、运动控制器中断的应用、U盘接口的使用、ZDevelop 编程软件的使用以及运动控制器的基础轴参数与基础运动控制指令等。今天，我们来讲解一下正运动技术运动控制器...[详细]
对电动汽车而言，给电池充电有什么技巧吗

充电是电动汽车离不开的一个话题，电池对于新能源汽车而言是核心的部件，对于电动汽车来说，给电池充多少电最好？根据现在的电动汽车采用的电池技术来说，充多少电根据用车场景去进行判断，对于电动汽车来说，在充电的时候也不一定非要充满，达到90%以上，或者能够满足你下一次出行需要的里程数就足够了。现在电动汽车采用锂离子电池，锂离子动力电池没有记忆功能，能够满足快速充电的需求，但从电池的构造上面而言，电...[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]
完整解决方案打包奉送：多点触控智能家居平台软硬件实现

　　绪论　　近年来，多点触控(Multi-Touch)成为了代替人机交互传统方式的新方式。它抛弃了键盘，鼠标，实现了多人同时交互，是人机交互的一场革命性创新。但可惜的是，该项技术还处在初级阶段，Multi-Touch的产品很多还只是面向高端或军工用户，价格十分高昂。这对广大消费者来说都是不能承受的。此外，目前基于Multi-Touch应用的软件业相当较少，且大多数停留在游戏娱乐的功能上，这样也...[详细]
中国研究人员取得电池突破或将改变电动汽车的性能和续航里程

锂电池是电动汽车的关键部件，其高能量密度使其能够在相对紧凑、轻巧的封装中存储大量能量。这对于实现单次充电后的长续航里程至关重要。图片来源：《Nature》期刊据外媒报道，中国研究人员宣布在锂电池技术上取得重大突破，使特斯拉最先进电池的能量密度（电池相对于其尺寸和重量所能存储的能量）翻了一番。目前，特斯拉最好的电池能量密度约为每公斤300瓦时，而天津大学研究人员研发的电池能量...[详细]
车载显示巨头今年利润将达78亿！

三星电子旗下汽车电子子公司哈曼（Harman）下半年业绩备受期待。哈曼上半年业绩表现优异，得益于音响销量的增长。其旗舰业务“数字座舱”下半年有望继续增长，预计今年业绩将创历史新高。根据三星电子8月19日发布的半年报，该公司预计数字座舱业务将从下半年开始复苏。数字座舱是指通过信息娱乐系统提供安全驾驶环境的数字汽车部件。简而言之，它是指车辆内部空间的数字化，这一概念是随着电...[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