Datasheet> 器件分类 > 无源元件> 电阻器> 82A3J-B20-H25/H25L

文档预览

82A3J-B20-H25/H25L: 产品描述Potentiometer, Cermet, 3W, 1000000ohm, 5% +/-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

82A3J-B20-H25/H25L概述

Potentiometer, Cermet, 3W, 1000000ohm, 5% +/-Tol, -150,150ppm/Cel,

82A3J-B20-H25/H25L规格参数

参数名称	属性值
是否Rohs认证	符合
Objectid	771739686
Reach Compliance Code	not_compliant
Country Of Origin	Mexico
YTEOL	7
构造	Square
JESD-609代码	e3
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)	3 W
电阻	1000000 Ω
电阻器类型	POTENTIOMETER
旋转角	240 deg
技术	CERMET
温度系数	150 ppm/°C
端子面层	Matte Tin (Sn)
容差	5%

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

TDA1185A单相交流换向器电动机控制器

双555构成4h顺序定时电路

采用LAS6351构成多路输出开关稳压电源电路图

气相色谱仪直流测温电桥

半桥式开关稳压电源的实用电路

正、负输出电压跟踪的集成稳压电源之一

纯数位电路放大器的制作实例: 说到学电子,就的想想到电子电路中的各种器件,二极管拉，三极管了放大电路了,等等的,用唇数字制作方法电路是什么感觉呢 ,大家来看看就明白了 ,原来就是这样的简单 ...; rain 模拟电子

基于S1473X的RDS功能设计与实现: 调频广播（FM）一直在人们的娱乐生活中占有非常重要的地位，广大从事消费电子设计的厂商都在诸如MP3、智能手机、PDA等产品中嵌入FM部分。而RDS数据广播系统（RadioDataSystem）正是利用调频 ......; Jacktang 能源基础设施

【CN0207】高性能iMEMS模拟麦克风与SigmaDSP音频编解码器的简单接口: 电路功能与优势图1所示电路允许两个iMEMS®模拟麦克风与一个音频编解码器接口。ADMP404由一个MEMS麦克风元件和一个输出放大器组成。ADI公司的MEMS麦克风具有高信噪比(SNR)和平坦的宽带频率响 ......; EEWORLD社区 ADI 工业技术

Docs将把云计算推向一个全新的水平: 4月1日媒体报道。Docs将把云计算推向一个全新的水平，可以将任何东西上传到该服务外中。无论是钥匙、遥控器还是其他一些容易丢的东西都可以放到Docs中，这样就不必再担心找不到这些东西了。...; 天天谈芯聊聊、笑笑、闹闹

欢迎做海思K3的加入技术交流群！: 哈哈，欢迎做海思K3的加入技术交流群！ QQ群：64514658...; 云游四海嵌入式系统

easyarm615目标板连接问题: 那位高手给指点一下？多谢了！ C程序编译通过了，但目标板连接不上提示:"Cannot open target interface:invalid parameter"...; yoyo_xmu ARM技术

使用VS Code进行STM32单片机开发（创建工程、编译、调试）

官方STM32 for VS Code Extension 一、环境搭建 1．下载软件（1）VS Code V1.78.2 https://code.visualstudio.com （2）STM32CubeMX V1.12.1 https://www.st.com/en/development-tools/stm32cubemx.html （3）STM32CubeCLT V1.12.1 ...[详细]
什么是线扫工业镜头？线扫镜头有哪些作用？

线扫镜头是一种与线扫相机搭配使用的工业镜头，成像原理是利用线性传感器将工件的图像拍摄下来，并进行数字信号处理来达到高精度的成像效果。本质上说，线扫镜头跟面阵镜头没有区别。线扫镜头的特点是最大像面尺寸比较大，它能够在高速运动的物体上进行图像捕捉，具有高速的扫描频率和快速的曝光时间。线扫镜头通常具有较小的视场角度，但能够提供高分辨率和优秀的图像质量。普密斯线扫工业镜头的分辨率更高，采样速度也...[详细]
导轨回流焊与普通回流焊：为生产效率和质量选择最佳焊接方式

回流焊作为现代电子制造中常见的一种焊接方法，其主要目的是将焊盘、元件引脚和焊膏熔化，形成焊接点。随着技术的发展，焊接设备也在不断升级改良，其中就包括了导轨回流焊和普通回流焊。这两种方法各有优点，也存在各自的局限，所以说哪种更好并不是一个简单的问题，需要从多个角度进行评估。首先，我们来了解一下导轨回流焊。导轨回流焊机是在普通回流焊机的基础上，增加了导轨系统，使得焊接过程更为自动化，通常可以提...[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]
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]
基于FPGA的便携式逻辑分析仪设计

Logic analyzers are widely used tools in digital design verification and debugging. They can verify the proper functioning of digital circuits and help users identify and troubleshoot faults. They ...[详细]
『新品发布』共模半导体重磅发布高效率小尺寸降压电源模块GM6506系列产品

共模半导体正式发布其最新一代电源管理芯片—GM6506系列，这是一个完全集成的高频同步整流降压电源模块，内部集成了电感和多个关键器件，简化了电路设计。这款芯片凭借其卓越的性能、低功耗设计以及广泛的应用场景，为各种高要求的电源应用提供了理想的解决方案。无论是光通信、服务器、电信，还是工业及自动化测试领域，GM6506都能满足高效、稳定电源需求。一产品介绍 GM6506 是一个非...[详细]
自动驾驶达到什么技术标准才能称为L3级？

在谈及自动驾驶技术时，常会陷入两个极端，一方面是大家对“完全自动驾驶”的美好愿景，另一方面是自动驾驶技术飞速发展过程中对于“安全隐患”的担忧。L3级自动驾驶系统（ADS）恰好处在这两者的张力中——它需要在特定条件下代替人类完成全部动态驾驶任务，同时又必须留出人与机器之间明确的责任与边界。为了规范自动驾驶系统技术要求、保障交通安全与合规性、推动自动驾驶行业健康发展，由中华人民共和国工业和信息化部主...[详细]
STM32单片机的学习方法（方法大体适用所有开发版入门）

1，一款实用的开发板。这个是实验的基础，有时候软件仿真通过了，在板上并不一定能跑起来，而且有个开发板在手，什么东西都可以直观的看到，效果不是仿真能比的。但开发板不宜多，多了的话连自己都不知道该学哪个了，觉得这个也还可以，那个也不错，那就这个学半天，那个学半天，结果学个四不像。倒不如从一而终，学完一个在学另外一个。 2，两本参考资料，即《STM32 参考手册》和《Cortex-M3 权威指南》。...[详细]
stm32内部Flash的读写操作

stm32的产品都有内置Flash，而且不同系列的产品其内置Flash的大小不尽相同，结构上也有差异，本文将对stm32f07x，stm32f10x，stm32f40x的内置Flash结构，以及如何进行读写操作做一个介绍。一、特性与构成 1.stm32f07x系列 2、stm32f10x系列　　　　　　　　　　3、stm32f40x系列　...[详细]
利用麦克风数组抑制背景噪声

　　概述　　随着手持语音通信设备越来越流行，它们应用在嘈吵环境的机会也越来越高，例如机场、交通繁忙的路段、人多嘈杂的酒吧等。在这种嘈吵的环境下，通话的双方实在难以听清对方所说的话。　　此外，不少通信系统都是采用计算机运行的语音识别、指令及/或响应系统，这些系统均易受到背景噪声的影响，假如噪声过大，便会导致系统出现很大的偏差。因此，有必要改善语音信号对背景声音噪声的比率。　　本文将解释利用麦...[详细]
电动汽车有辐射，长期驾驶会致癌？

随着我国电动汽车的高速发展，人们也开始关注到电动汽车的辐射问题，我们都知道手机是有辐射的，那么比手机电池大几十倍的电动车是否辐射更大？会不会对人体造成伤害呢？今天我们就来聊聊有关辐射的那些事儿。现如今，只要我们还活着就无法避免辐射，像太阳光、电脑、手机、微波炉、wifi等都会产生一定量的辐射。只要温度在绝对零度以上，都会以电磁波或者是粒子的形式对外输送热量，这种方式就叫做辐射，但是根据其能...[详细]
控制UPS逆变器的三种方法，响应速度快

ups是指不间断电源，包含能量存储设备。主要用于为一些对电力稳定性要求较高的设备提供不间断电源。控制UPS逆变器的三种方法当市电输入正常时，ups将向负载提供市电电压调节器。此时，ups是一个交流电压调节器，它也为机器中的电池充电。逆变器是ups的心脏。它将直流电转换成用户所需的交流电。对于ups来说，逆变器输出电压的质量决定了ups的整体性能。以下是对的3种控制方法的简要介绍up...[详细]
逆变器换向分类技巧，通过设备获得

根据换向技术，可控硅整流器主要分为两种主要类型。线路换向和强制换向逆变器被普遍使用，而其他换向逆变器，即辅助换向逆变器和互补换向逆变器不被普遍使用。这里简要讨论两种主要类型。逆变器换向分类方法 1.线路换向在这些类型的逆变器中，交流电路的线电压可以通过设备获得;当电流通过时，这个装置就关闭了教员公用室体验零特性。这种换向过程被称为线换向，而根据这种原理工作的逆变器被称为线换向逆变器。...[详细]
英特尔携手亚马逊云科技，打造云服务新引擎

英特尔 ® 至强 ® 6性能核处理器现已支持亚马逊云科技（AWS）上全新推出的亚马逊EC2 R8i和R8i-flex实例。与基于英特尔处理器的其他云实例相比，这两款新实例能为用户提供更卓越的性能和更快的内存带宽。基于英特尔至强6处理器的亚马逊第八代EC2实例正式发布，在云端为客户提供卓越的性能与更高的内存带宽这两款新实例不仅是英特尔与AWS多年深度合作的丰硕成果，也充分展现了双方正...[详细]

器件捷径: E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF EG EH EI EJ EK EL EM EN EO EP EQ ER ES ET EU EV EW EX EY EZ F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF FG FH FI FJ FK FL FM FN FO FP FQ FR FS FT FU FV FW FX FY FZ G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 GA GB GC GD GE GF GG GH GI GJ GK GL GM GN GO GP GQ GR GS GT GU GV GW GX GZ H0 H1 H2 H3 H4 H5 H6 H7 H8 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ I1 I2 I3 I4 I5 I6 I7 IA IB IC ID IE IF IG IH II IK IL IM IN IO IP IQ IR IS IT IU IV IW IX J0 J1 J2 J6 J7 JA JB JC JD JE JF JG JH JJ JK JL JM JN JP JQ JR JS JT JV JW JX JZ K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA KB KC KD KE KF KG KH KI KJ KK KL KM KN KO KP KQ KR KS KT KU KV KW KX KY KZ

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