Datasheet> 器件分类 > 无源元件> 电阻器> 82N3A-E28-G18/G18

文档预览

82N3A-E28-G18/G18: 产品描述Potentiometer, Conductive Plastic, 0.75W, 50000ohm, 20% +/-Tol, -1000,1000ppm/Cel,; 产品类别无源元件电阻器; 文件大小363KB，共6页; 制造商Bourns; 官网地址http://www.bourns.com

下载文档详细参数全文预览

82N3A-E28-G18/G18概述

Potentiometer, Conductive Plastic, 0.75W, 50000ohm, 20% +/-Tol, -1000,1000ppm/Cel,

82N3A-E28-G18/G18规格参数

参数名称	属性值
是否Rohs认证	不符合
Objectid	772184394
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	15.88 mm
封装长度	15.88 mm
封装形式	Panel Mount
封装宽度	36.2 mm
额定功率耗散 (P)	0.75 W
电阻	50000 Ω
电阻器类型	POTENTIOMETER
旋转角	225 deg
系列	82
技术	CONDUCTIVE PLASTIC
温度系数	1000 ppm/°C
容差	20%

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

变频电源的输出特性分析: 本帖最后由 paulhyde 于 2014-9-15 09:19 编辑变频电源的输出特性分析各种负载(包括纯阻性负载,感性负载,容性负载,非线性负载)下,大功率变频电源的输出特性.实验结果表明该变频电源 ......; dtcxn 电子竞赛

stm32 的串口通信时钟问题，请大家帮忙解决下！！！！: USART_InitStructure.USART_BaudRate = 9600; USART_InitStructure.USART_WordLength = USART_WordLength_8b; // 8位数 ......; lizhenyulzy stm32/stm8

常用行业软件License设置方法(转载): 大型工程软件如Ansys、Fluent、Unigraph、ProE等安装需要经过注册程序Flexlm才可以使用，而Flexlm中涉及到很多知识、技巧，也存在许多问题。本篇文章就是针对上述软件安装中的常见问题作一些探 ......; FPGA小牛 FPGA/CPLD

如何消除社交距离感: 　　1、20分钟，消除距离感　　我在美国生活了20年，在美国的时候我可以跟华人圈沟通得非常好，我曾经做过两大协会的创始会长。回到中国后，我同样可以民营企业家在一起，我也可以跟国有 ......; ESD技术咨询工作这点儿事

ubbot压缩包解压时候有同名文件: 想要给uboot文件打个补丁，原来是个压缩包，在linux下解压之后，运行打补丁命令，说有的文件内容找不到，然后我就在win7上解压，发现有同名文件，这要怎么搞啊...; 865393435 嵌入式系统

keil uvision4无法识别语法错误，大家有没有遇到过？: 写了一段小代码，如下，在init()函数中调用clear_screen()函数时忘记写参数了，编译时编译器没有报错。呵呵，大家有没有遇到过？我用的keil官网提供的免费版。 void clear_screen(uchar no) ......; smilenie 51单片机

电动汽车没有发动机那它的报废标准是什么

在很早以前我国的汽车使用年限为15年，只要车辆达到15年，那么就需要强制报废了，不过后来政策改了，改成了只要汽车不超过60万公里，每年都能通过年检，那么就可以一直使用下去。但是我们都知道，汽车年检不通过的原因绝大多数都是因为尾气不合格导致的，那新能源电动汽车没有发动机，它的报废标准又是什么？与传统燃油车的报废标准一样吗？今天咱们就来聊一聊新能源汽车报废这个问题。其实，关于新能源汽车报废这一...[详细]
POSCO Future M推出高端和标准电动汽车正极材料

据外媒报道，二次电池材料公司POSCO Future M宣布，已成功开发出两种针对高端和标准电动汽车市场的试验（原型）正极材料。图片来源： POSCO Future M “超高镍正极材料”专为高端电动汽车设计，将高镍正极材料中的镍含量从现有的80%提升至95%以上。该材料能量密度高，可最大程度延长电动汽车的续航里程。该公司的目标是向美国和欧洲等发达市场的高端电动汽车和城市空中交...[详细]
文远知行发布一段式端到端辅助驾驶解决方案，预计2025年内量产上车

8月21日，文远知行WeRide正式推出与博世合作的一段式端到端辅助驾驶解决方案——WePilot AiDrive，这距离双方合作的“两段式端到端”方案量产上车仅半年。目前，WePilot AiDrive已完成核心功能验证，预计2025年内实现量产上车，助力全球辅助驾驶行业走向更智能、更高效、更普适的大规模应用阶段。据悉，相比先感知再决策的传统两段式架构，文远知行WePilot Ai...[详细]
DMA实现采样数据的直接搬运存储

尝试了下STM32的ADC采样，并利用DMA实现采样数据的直接搬运存储，这样就不用CPU去参与操作了。找了不少例子参考，ADC和DMA的设置了解了个大概，并直接利用开发板来做一些实验来验证相关的操作，保证自己对各部分设置的理解。我这里用了3路的ADC通道，1路外部变阻器输入，另外两路是内部的温度采样和Vrefint，这样就能组成连续的采样，来测试多通道ADC自动扫描了，ADC分规则转换和注入...[详细]
stm32直流电机驱动与测速学习总结

　　通过实验发现，定时器的一个通道控制一个pwm信号。　　在正式开始之前也可以参考这个视频学习资料　　(stm32直流电机驱动) 　　http://www.makeru.com.cn/live/1392_1218.html?s=45051 　　超声波雷达测距仪　　http://www.makeru.com.cn/live/15971_2626.html?s=45051 　　PWM驱动电机不...[详细]
基于LED光数据传输的温度实时显示系统

　　本文提出了以京微雅格低功耗FPGA HR(黄河)系列为主控制器，以温度传感器，LED灯，光频转换器，LCD屏等为外围电路的基于LED光数据传输的温度实时传输及显示方案，实现了可靠的温度值实时传输和显示。　　1. 系统功能介绍　　本系统主要包括CME-HR03 FPGA，温度传感器，光频转换器及LCD显示屏几个部分，其实现框图如下所示：　　本系统中，首先由温度传感器经IIC接口将...[详细]
因承诺额外投资：消息称美国政府不计划取得台积电、美光股权

8 月 22 日消息，《华尔街日报》当地时间 21 日报道称，美国新一届政府不计划取得半导体晶圆代工巨头台积电和三大存储原厂之一美光的股权，因为这两家此前获得《CHIPS》法案补贴的企业均承诺了在美额外投资。美国商务部长卢特尼克本周早些时候表示，美国政府计划取得英特尔约 10% 的股权，并考虑将这一“补贴转股”模式扩大到其它半导体企业上。不过一位不愿透露姓名的政府官员表示，只有那些未承诺追加投...[详细]
全球电动汽车电池供需失衡：供应或达需求三倍以上

据日经新闻报道，调查发现，由于电动汽车需求降温，全球电动汽车电池供应量有望达到需求量的三倍以上，这为日本和美国等国家建立本土生产的举措带来了阻力。图片来源：宁德时代基于标普全球移动出行（S&P Global Mobility）的数据，日经新闻指出，电动汽车电池生产设施的总年产能预计将达到3,930 GWh，而需求量预计为1,161 GWh。到2026年，电动汽车电池供...[详细]
吉利发布行业首个AI座舱，明确不再研发传统智能座舱

8月20日，吉利宣布聚焦“一个座舱”，通过统一的AI OS架构、统一的AI Agent、统一的用户ID，实现AI座舱All in One，打造首个“人-车-环境”自主协同的智慧空间，引领智能汽车正式迈入AI座舱时代。图源：吉利同时，吉利宣布将不再开发不具备AI能力的传统智能座舱，并发布全球首个可大规模上车的汽车超拟人智能体——Eva，以及基于5层AI座舱原生架构打造的新一代AI座舱...[详细]
10000台！这家公司拿下全球首个人形机器人最大单笔订单

天太机器人官微8月20日晚间发布消息，天太机器人有限公司8月20日与山东未来机器人技术有限公司、山东未来数据科技、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，这是全球人形机器人行业诞生以来数量最大的单笔订单。这意味着，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...[详细]
直线模组中对联轴器有区分吗？

随着自动化设备的普及，作为自动化设备常用辅助设备的直线模组，也迎来了大好前景。特别是最近几年出现了很多小型设备厂家，在追求的生产效率和产品周转率的情况下，其机械设计生产模块化已经达到了整个产品设计的80%以上，以轻资产的模式运营和发展已经成为了众多新兴厂商的追求。直线模组的结构非常简单简单，而联轴器是其重要的配件，想必大家对联轴器也是非常熟悉的，主要用于丝杆加工端连接伺服电机，以此实现运动...[详细]
了解您的可穿戴设备的图形内存需求

　　高清媒体消费正在经历双重增长，一是消费者数量的增加，二是向更加高清的内容过渡。增长动力来自日益普及、速度越来越快的互联网接入服务以及移动设备(手机、平板电脑、可穿戴设备等)的爆炸式增长。因此，当今的很多可穿戴设备都能处理高清媒体的消费。　　即使按照最保守的估计，到2020年，市场对物联网(IoT) 和可穿戴设备的需求将增长三倍。这意味着全球将有500亿件设备。这将催生对新一代显示器驱动...[详细]
人工智能功耗问题：挑战、权衡与优化路径

编译自semiengineering 业界越来越关注人工智能的功耗问题，但这个问题并没有简单的解决方案。这需要深入了解应用、半导体和系统层面的软件和硬件架构，以及所有这些的设计和实现方式。每个环节都会影响总功耗和提供的效用。这是最终必须做出的权衡。但首先，必须解决效用问题。电力是否被浪费了？“我们将电力用于有价值的用途，”Ansys（现为新思科技旗下公司）产品营销总监 Marc Swi...[详细]
Waveshare ESP32-P4-ETH 开发板支持以太网和 PoE

Waveshare ESP32-P4-ETH 是一款紧凑型 ESP32-P4 开发板，支持以太网和 PoE，外观与 Olimex ESP32-P4-DevKit 非常相似，只是少了 pUEXT 接口。不过，我们也介绍过其他支持以太网（及其他功能）的 ESP32-P4 开发板，例如 ESP32-P4-Module-DEV-KIT、ESP32-P4-NANO 开发板和 GUITION JC-ESP3...[详细]
电动汽车的动力电池是如何进行分类的

当今社会的发展电动汽车产业在不断涌进，大家在担心新能源汽车的外观内饰等方面的时候，大家也在担心电池的电动汽车电池分类，电动汽车无论从构造、参数还是评价标准来说都与传统燃油汽车有很大差异，如何挑选，如何使用维护，对很多人而言都是一头雾水。因此，今天太平洋汽车网小编就带大家了解下电动汽车电池分类。锂电池是目前电动车上最常用的电池种类之一，虽然其从1970年诞生至今时间并不算长，但凭借能量密度高...[详细]

器件捷径: L0 L1 L2 L3 L4 L5 L6 L7 L8 L9 LA LB LC LD LE LF LG LH LI LJ LK LL LM LN LO LP LQ LR LS LT LU LV LW LX LY LZ M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 MA MB MC MD ME MF MG MH MI MJ MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ N0 N1 N2 N3 N4 N5 N6 N7 N8 NA NB NC ND NE NF NG NH NI NJ NK NL NM NN NO NP NQ NR NS NT NU NV NX NZ O0 O1 O2 O3 OA OB OC OD OE OF OG OH OI OJ OK OL OM ON OP OQ OR OS OT OV OX OY OZ P0 P1 P2 P3 P4 P5 P6 P7 P8 P9 PA PB PC PD PE PF PG PH PI PJ PK PL PM PN PO PP PQ PR PS PT PU PV PW PX PY PZ Q1 Q2 Q3 Q4 Q5 Q6 Q8 Q9 QA QB QC QE QF QG QH QK QL QM QP QR QS QT QV QW QX QY R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 RA RB RC RD RE RF RG RH RI RJ RK RL RM RN RO RP RQ RR RS RT RU RV RW RX RY RZ

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