Datasheet> 器件分类 > 无源元件> 电阻器> 81N1C-E24-H22/H22

文档预览

81N1C-E24-H22/H22: 产品描述Potentiometer, Cermet, 2W, 250000ohm, 5% +/-Tol, -150,150ppm/Cel, 6363,; 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

81N1C-E24-H22/H22概述

Potentiometer, Cermet, 2W, 250000ohm, 5% +/-Tol, -150,150ppm/Cel, 6363,

81N1C-E24-H22/H22规格参数

参数名称	属性值
封装长度	15.88 mm
封装宽度	15.88 mm
封装高度	15.88 mm
表面贴装	NO
是否Rohs认证	No
Objectid	771297084
Reach Compliance Code	Unknown
ECCN代码	EAR99
Is Samacsys	N
YTEOL	0
构造	Square
端子数量	3
旋转角	240 deg
封装形式	Panel Mount
电阻	250000 Ω
尺寸代码	6363
技术	CERMET
温度系数	150 ppm/°C
安装特点	PANEL MOUNT
额定功率耗散 (P)	2 W
电阻器类型	POTENTIOMETER
容差	5%
最高工作温度	125 °C
最低工作温度	-40 °C

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

Ep4ce15e通过jtag烧制epcs16: 我使用的fpga是ep4ce15e，硬件接了一个epcs16。我不是特别明白的是，我看altera官方文件an370.pdf上介绍了serial flash loader 这个ip，可以从megawizard plug-in manager 中找到。我不是特别清 ......; cdcc0606 FPGA/CPLD

經典的十句大實話！！: 　　1.遇到乞讨者：遇到要钱的就给他（她）点饭，遇到要饭的就给他（她）点钱。 http://www.hooxi.cn/bbs/attachments/pw/57_1_4650afd3fcf4abe.jpg http://www ......; huchuan987 聊聊、笑笑、闹闹

问个mfc应用的问题？？: 在dialog中有个tab control，在每个tab的dialog中有个group box, group box中有个按钮。现在的现实结果是tab control和group box都显示正常，按钮没有显示，什么原因？ app方面菜鸟一个 ......; cdqd 嵌入式系统

开关电源中电感的纹波率R 一般有个建议值0.4左右为最佳？那我开始问了？: 开关电源中电感的纹波率R 一般有个建议值0.4左右为最佳？那我开始问了？我们在设计电感值的同时，设定一个电感纹波率的经验值0.4，那我们设计电感肯定是在最恶劣的电压条件下计算的电 ......; 小太阳yy 开关电源学习小组

设计一款电源时，如何选定二极管和电感元件: 今天，在咱们的水群（群号：309018200，欢迎大家加入~{:1_124:}{:1_124:}{:1_124:}）里针对一个小水友的提问展开了十分热烈的讨论，讨论很精彩，干货满满。这里管管做个简单的整理，晒上来大家 ......; okhxyyo 电源技术

WinCE5.0挂接ＩＤＥ硬盘的疑惑?: WinCE5.0挂接ＩＤＥ硬盘的疑惑? 有个项目，想使用ＩＤＥ４４ｐｉｎ接口挂接最少６４ＧＢ的外部存储器，现有如下问题和大家讨论： 1.工作电压: 现在手头上的ＩＤＥ电路是直接从Ｓ３Ｃ２４４０ ......; dld2 嵌入式系统

SIMATIC S7-1500 PLC左移指令（SHL）及样

TIA博途软件位移指令能将将累加器的内容逐位向左或者向右移动。移动的位数由N决定，向左移N位相当于累加器的内容乘以2N，向右移相当于累加器的内容处理2N。移位指令在逻辑控制中使用也很方便。 (1)左移指令(SHL) 当左移指令（SHL）的EN位为高电平“1”时，将执行移位指令，将IN端制定的内容送入累加器1低字中，并左移N端制定的位数，然后写入OUT端指令的目的地址中，左移指令（SHL）和参...[详细]
新能源汽车是选择混动好还是纯电动好

我们在城市出行的时候，都会觉得电动汽车好处还是很多的，作为代步工具的它，也能够很好的完成自己的使命。现在大城市越来越多的小区有电动汽车专用车位，可以随时充电。当然这只是一种配套服务，真要使用起来可能一个星期才用充一次电，这也跟现在电动汽车的续航里程有直接的关系。很多人也禁不住为新能源汽车叫好，觉得很快就可以取代燃油汽车。不过我们却发现似乎还是我们国内非常热闹，在欧洲那些老牌汽车企业，在电动...[详细]
家电设计——安全至关重要！

　　我们正进入人类能以更低廉价格拥有更多电子产品的新时代。电子产品已经成为我们生活的必需品。举例来说，普通消费者现在都拥有冰箱、洗衣机、咖啡机等。将分离式IC带来的智能特性集成到电器中，能够改进用户体验，提供电子控制、触摸用户界面和高级显示等功能。这些特性非常有用，而安全性也是消费者关注的重点。没有人希望电器构成安全威胁。　　目前许多家用电器都采用微控制器，如果微控制器出现问题，就可能发生...[详细]
苹果印度扩张计划遇到新麻烦，富士康被曝在当地召回约 300 名中国工程师

8 月 25 日消息，苹果在印度的扩张遇到新麻烦。据彭博社报道，富士康科技集团已从印度召回约 300 名中国工程师，使苹果在当地的生产计划再度受阻。这些工程师来自富士康旗下裕展科技位于泰米尔纳德邦的工厂，这是数月以来第二次发生类似情况。裕展工厂主要生产旧款 iPhone 的金属外壳和显示模组，并未参与新一代 iPhone 17 的制造。该工厂才投产数月，而苹果的显示器依旧大量依赖进口。苹果...[详细]
STM32串口USART的使用方法和程序

通用同步异步收发器（USART）提供了一种灵活的方法来与使用工业标准NR 异步串行数据格式的外部设备之间进行全双工数据交换。 USART利用分数波特率发生器提供宽范围的波特率选择，支持同步单向通信和半双工单线通信。 1、STM32固件库使用外围设备的主要思路在STM32中，外围设备的配置思路比较固定。首先是使能相关的时钟，一方面是设备本身的时钟，另一方面如果设备通过IO口输出还需要使能IO口的...[详细]
汽车电机技术以后可以往哪里发展

永磁体是大量家用和工业设备的重要组件。它们在可再生能源领域尤其重要，包括电动汽车电动机。目前，这些磁铁基于稀土元素钕和镝，在用于电动汽车电机设计中越来越贵。欧盟已开始致力于消除或大大减少对永磁体中重稀土的需求。他们正在研究一些新的微结构工程策略，这将大大改善纯轻稀土元素磁体的性能。目前，用于电动汽车的高功率密度电机主要依靠稀土基永磁电机。随着成本的不断提高，稀土磁性材料的限制和稀缺，行业开...[详细]
安全第一！矿用防爆R型隔离变压器教你保护自己！

通常情况下煤矿井下含有瓦斯和煤尘。当瓦斯和煤尘达到一定浓度时，就会发生瓦斯和煤尘爆炸事故。而电气设备在正常运行或故障时就会产生电弧，电弧也是煤矿燃烧煤气和煤尘的主要火源之一。因此，煤矿的电气设备通常都采用矿用防爆R型隔离变压器。矿用防爆电气的设计制造必须符合国家防爆设备标准。防爆设备的总标志是EX。防爆电气设备的类型、类别、级别和组别以及防爆设备的总标志一起，形成防爆标志。除了防爆电源变压器的明...[详细]
免拆卸、快速维修辊压机空心轴轴颈磨损，让维修变得简单高效

一、故障现象和原因分析 1.设备运转过程中，由于胀紧套部位承受较大的扭矩，长期运转使用中轴与轴套配合面发生相对运动，因而造成轴套与轴头之间的磨损，胀紧套无法锁紧，造成停机； 2.设备在正常检修过程中，企业人员忽视了对胀紧套上的预紧螺栓的紧固，长时间的设备运行，造成螺栓断裂，使轴与轴套产生相对运动，造成轴与轴套之间的磨损； 3.由于一些老设备上的减速机会经常拆卸外出加工修复，在拆卸设备的空心轴减...[详细]
人机界面和触摸屏的区别？

人机界面：指人操作PLC的一个平台，该平台提供了一个程序与人的接口，是人与计算机之间传递、交换信息的媒介和对话接口，是计算机系统的重要组成部分。它实现信息的内部形式与人类可以接受形式之间的转换。凡参与人机信息交流的领域都存在着人机界面。触摸屏是PLC人机界面的一种。人通过触摸屏幕上的按钮等就可以调整参数或监视参数。但人机界面不一定全部是触摸屏的,有的是在操作面板上安装了若干个按钮,人通过按钮来...[详细]
博世发布面向L2+级的新一代SoC（SX600 / SX601）

博世发布新SoC系列以支撑L2+级别的高级驾驶辅助功能，该芯片集成了高分辨率与远距离探测能力，并内置对神经网络推理的支持与车规接口，便于车厂在主流车型上实现自动紧急制动、自适应巡航等功能的升级。图片来源：博世该芯片定位在主流家用轿车和SUV的ADAS平台，可与摄像头、毫米波雷达等传感器融合使用，帮助车企在更广泛的产品线上部署成熟的辅助驾驶功能并提升道路安全准入率。 ...[详细]
通信用二次模块电源的定义，分板供电两种方式

在通信电源领域里，把AC/DC整流电源称为一次电源或基础电源，而DC/DC变换器称为二次电源。现代通信设备(如数字程控交换设备和传输设备)的输入电压标称值大多数为48V，少数的传输和中继设备供电电压为24V。通信用二次模块电源是什么对于交换设备中的数字电路、接口电路、逻辑单元电路、驱动器及一些线性电路需要提供1.2~3.3V、士5V、±12V等低压直流二次电源。这就需要将通信设备输入的4...[详细]
铅酸电池和锂电池对于新能源汽车哪个性价比高

电池作为新能源汽车的核心，关乎车辆的用车和续航，根据现有汽车电池的种类来说分为铅酸电池以及锂电池等各类的电池，当前，新能源汽车是以锂电池作为车辆的动力电池。而采用铅酸电池的基本上是以低速电动汽车为主，例如老年代步车等，而对于新能源汽车来说，使用铅酸电池和锂电池哪个性价比更高？根据电池的特征来说，自然是锂电池的性价比要高，首先从锂电池是由金属元素构成电池的电芯，依靠锂离子在正极和负极之间移动...[详细]
一文看懂车载以太网gPTP时间同步

01、引言随着车载网络从 CAN 总线向以太网迁移，传统毫秒级同步精度已无法满足多传感器融合、线控系统协同的需求。比如在多传感器时空对齐中，激光雷达的点云、摄像头的图像、毫米波雷达的回波信号，需在同一时间基准下融合。而当以 120km/h 车速计算，1ms 的时间偏差会导致 3.3cm 的空间误差，造成自动驾驶的安全风险。因此，gPTP 通过 ±50ns ...[详细]
基于SATA2.0的高速存储系统设计实现

引言　　科学技术的快速发展使得人类快速地从网络时代迈入大数据时代，于是人们在社会生活中产生的数据量呈现爆炸式增长，这给数据的存储带来了很大的压力。正是基于这种现状，借助于计算机与电子技术的快速发展，本文提出一种SATA2.0协议的高速大容量数据存储系统，相比于更早的PATA协议具有无可比拟的优势。SATA协议的数据传输模式传输速度比PATA协议更快，将40根数据线简化到7根，并且采取差分传输形...[详细]
UCLA和博通合作实现单向成像，为计算光学铺路

一种新型多层衍射光学处理器可以阻挡一个方向的图像，同时使另一个方向的图像通过。加州大学洛杉矶分校 (UCLA) 和博通 (Broadcom) 的研究人员开发出一种可见光谱成像仪，它可以实现传统光学器件无法实现的单向成像。该平台采用新颖的纳米制造工艺和基于深度学习的设计，标志着首个用于宽带单向成像的晶圆级多层衍射光学处理器的诞生，有望为安全成像、紧凑型多光谱相机和计算光学领域的实际应用铺平道...[详细]

器件捷径: S0 S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC SD SE SF SG SH SI SJ SK SL SM SN SO SP SQ SR SS ST SU SV SW SX SY SZ T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 TA TB TC TD TE TF TG TH TI TJ TK TL TM TN TO TP TQ TR TS TT TU TV TW TX TY TZ U0 U1 U2 U3 U4 U6 U7 U8 UA UB UC UD UE UF UG UH UI UJ UK UL UM UN UP UQ UR US UT UU UV UW UX UZ V0 V1 V2 V3 V4 V5 V6 V7 V8 V9 VA VB VC VD VE VF VG VH VI VJ VK VL VM VN VO VP VQ VR VS VT VU VV VW VX VY VZ W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WR WS WT WU WV WW WY X0 X1 X2 X3 X4 X5 X7 X8 X9 XA XB XC XD XE XF XG XH XK XL XM XN XO XP XQ XR XS XT XU XV XW XX XY XZ Y0 Y1 Y2 Y4 Y5 Y6 Y9 YA YB YC YD YE YF YG YH YK YL YM YN YP YQ YR YS YT YX Z0 Z1 Z2 Z3 Z4 Z5 Z6 Z8 ZA ZB ZC ZD ZE ZF ZG ZH ZJ ZL ZM ZN ZP ZR ZS ZT ZU ZV ZW ZX ZY

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