Datasheet> 器件分类 > 无源元件> 电阻器> 82A2J-A24-F25/F25

文档预览

82A2J-A24-F25/F25: 产品描述Potentiometer, Cermet, 1W, 1000000ohm, 10% +/-Tol, -150,150ppm/Cel,; 产品类别无源元件电阻器; 文件大小398KB，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

82A2J-A24-F25/F25概述

Potentiometer, Cermet, 1W, 1000000ohm, 10% +/-Tol, -150,150ppm/Cel,

82A2J-A24-F25/F25规格参数

参数名称	属性值
是否Rohs认证	No
Objectid	771702780
Reach Compliance Code	unknown
Is Samacsys	N
YTEOL	0
构造	Square
端子数量	6
旋转角	225 deg
技术	CERMET
温度系数	150 ppm/°C
容差	10%
安装特点	PANEL MOUNT
封装形式	Panel Mount
额定功率耗散 (P)	1 W
电阻	1000000 Ω
电阻器类型	POTENTIOMETER
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
封装宽度	26.04 mm
表面贴装	NO

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

Non-RoHS models are currently

available, but not recommended

for new designs. See

Product

Obsolescence Memo

for details.

for “on-off” function control

■

RoHS compliant versions available*

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 and RoHS Recast 2011/65/EU June 8, 2011.

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

STM32的RCC配置: RCC 寄存器结构，RCC_TypeDeff，在文件“stm32f10x_map.h”中定义如下： typedef struct { vu32 CR; vu32 CFGR; vu32 CIR; vu32 APB2RSTR; vu32 APB1RSTR; vu32 AHBENR; vu32 APB2ENR; vu32 APB ......; ptwhero stm32/stm8

请大家帮我看看查找错误: 我用g2553想实现两个led一亮一灭，用pwn控制的，为啥结果是两个灯全亮。 ...; CY340827 微控制器 MCU

MPLAB IDE V7.22编译PIC18FXX: 我用MPLAB IDE V7.22编译器，可以编译PIC16FXX，在编译PIC18FXX时总提示“建立失败”，不知是哪里设置错了，哪位大侠能指点一下呢？谢了！...; zhangjun1960 Microchip MCU

高频电路原理与分析: 《高频电路原理与分析》是《高频电路原理与分析（第二版）》的修订版。修订后全书共9章，内容包括绪论、高频电路基础、高频谐振放大器、正弦波振荡器、频谱的线性搬移电路、振幅调制、解调与混 ......; arui1999 下载中心专版

灵猴机器人应用方案采用机械臂实现电芯的自动分选: 近几年，随着新能源汽车市场快速扩张，储能电池需求也正在加速增长，以致中国锂离子动力电池需求也将猛涨，其中动力电池成为锂离子电池产业增长的主导力量。据统计显示，2015年中国锂电池产量为 ......; linkhou 能源基础设施

wince 4.2和5.0区别: 给位好，我想问大家一个问题就是wince4.2和5.0差别大吗？？我现在想把一个5.0下的dll网卡驱动放到4.2的环境下面使用，不知道这样能否行得通？？？各位高手大侠请不吝赐教啊！！！谢谢先...; lian 嵌入式系统

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]
单片机main函数退出后发生什么——以stm32为例

网上搜索可能因为大家不太关心这种情况，我没有找到有关论述单片机main函数退出的文章。不过在ST Community、阿莫BBS、StackOverflow看到有人在问同样的问题，下面摘录了一些不同角度的回答： C语言环境角度，三种可能性编译器在main函数后加入隐性的无限循环编译器在main外面添加一层无限循环 CPU继续向下取址运行（也就是跑飞了）单片机设计角度，退出会引发异常、...[详细]
人机交互的方式有哪些？

人机交互的方式有多种多样，以下列举出比较常见的方式：鼠标交互：通过鼠标来操作电脑和进行交互，这是早期最为普遍的一种人机交互方式。触摸式交互：随着智能设备的发展，通过手指在触摸屏上进行操作，也成为了一种非常便捷的人机交互方式。语音识别交互：通过语音识别技术来进行人机交互，用户可以通过语音输入指令来实现一些操作，如搜索、查询、控制等。动作识别交互：利用摄像头、传感器等设备捕捉用户的动作和手势...[详细]
这可能是你没见过的！R型电梯变压器的神奇之处！

现在我们住的房子大部分都是电梯楼，主要原因是上下楼梯比较方便！它还能让生活更舒适。它甚至有助于提高房地产的附加值。最重要的是，别墅用的电梯不贵，一台几万元。有了这个装置，可以节省老人和孩子上下楼梯的时间，方便、安全、快捷。为了降低振动和噪声，使电梯环境质量达到相关标准的要求，目前许多电梯厂家。通常配电设备会选择使用r型电梯变压器来改变电压。在安全改变电压的同时，其多重保护功能也可以降低电梯的事故...[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]
智元机器人明年预计出货量将达数万台，发布最新产品灵犀 X2-W

8 月 21 日消息，智元机器人在其首届合作伙伴大会上透露，今年出货量预计可达数千台，明年预计会有数万台的出货。未来几年，该公司希望每年出货量可达到数十万台。智元机器人还发布了最新产品灵犀 X2-W，这是一款基于 X2 平台衍生，针对“作业智能”开发的轮式双臂机器人原型。同时，智元启动了首个专注具身智能产业链的创业加速计划——“智元 A 计划”，旨在孵化 50+ 高潜力早期项目，在三年内打造千亿...[详细]
不可错过的stm32单片机直流电机驱动与测速详解

　　stm32直流电机驱动与测速　　说实话就现在的市场应用中stm32已经占到了绝对住到的地位，51已经成为过去式，32的功能更加强大，虽然相应的难度有所增加，但是依然阻止不了大家学习32的脚步，不说大话了这些大家都懂要不然也不会学习stm32的人那么多!!! 　　进入我们今天的主题，今天给大家介绍的是stm32中一个很小但是比较实用的stm32直流电机驱动与测速，话不多说先给大家上一段直流电...[详细]
工信部推动制定首个电器电子产品有害物质管控强制性国家标准

8 月 22 日消息，据工信部官网消息，近日，我国电器电子产品有害物质管控领域首个强制性国家标准《电器电子产品有害物质限制使用要求》（GB 26572—2025）经国家标准化管理委员会批准发布，将于 2027 年 8 月 1 日正式实施。该标准由工业和信息化部提出并归口管理，中国电子技术标准化研究院联合电器电子行业生产制造企业、认证检测机构、行业协会及科研院所等 60 余家单位共同研制。从官方...[详细]
单片机开发过程中使用结构体简化程序

首先，作为刚入行不久的新人，我在单片机开发这块并没有太多的经验，所以可能在写一些相关的文档的时候存在一些错误，希望大家多多包含！也希望各位不吝赐教，指点迷津！好记性不如烂笔头，之所以选择开通博客是因为我想把自己在工作和学习过程中碰到的一些问题以及疑惑记录下来，同时积极地定位问题的源头以及寻求解决方案，或许在碰到相同的问题时就能很快地解决。同时在博客上也可以学习到很多工程师长期积累的经验，分享自...[详细]
STM32定时器应用——PWM

STM32的定时器有三种，高级定时器（TIM1和TIM8），通用定时器（TIM2、TIM3、TIM4、TIM5）和基本定时器（TIM6和TIM7）。这三者的区别是：基本定时器：基本定时器功能比较简单，主要是计时，也可以为DAC提供时钟，直接触发驱动DAC 通用定时器：通用定时器除了基本的定时功能外，还可以测量输入信号的脉冲长度，也就是输入捕获功能，也可以产生输出波形，即输出比...[详细]
基于多线程扫描的网络拓扑边界监测系统设计

　　随着国家电子政务网络规模和业务应用的不断深化，通过网络传输的数据和业务变得越来越敏感和重要。为了保障业务数据在网络传输交换过程中不被非法获取与篡改，相应的网络信息安全防护措施已在不同层面进行了部署。然而，大多数的业务专网对于网络的访问控制几乎都集中在网络的出入关口，而对网络内部结构和接入边界却没有施行必要的监测与管理。这种只注重网关出入防护的安全策略虽然配置了大量的防火墙、多重安全网关和网闸...[详细]
电动汽车的轮胎真的是越大就越费电吗

轮胎对于汽车来说，是很重要的一个部件，关乎车辆的用车体验，我们在日常生活中和汽车几乎是分不开的对于轮胎来说，根据轮胎对于车辆在行车当中的作用来说，轮胎越大对于车辆的稳定性就越好，但是不足点就是车辆会导致车辆的对于车辆的在运转的过程当中加大轮胎与路面之间的阻力，而不管是纯电动汽车还是燃油车，都会有这种的影响，对于电动汽车来说，轮胎越大是费电的。首先从轮胎的结构上面来说，轮胎在结构上面，是由轮...[详细]
导航可不可以辅助自动驾驶

通常，我们通过观察和简单的GPS工具根据周围事物的对比来确定我们的位置及想要去的地方，但是对于无人驾驶的汽车来说，这种推理是非常困难的，汽车要先绘制和分析所在的新道路，后进行动态等复杂项目的处理，这是非常困难耗时间的。麻省理工学院的研究人员在机器人与自动化国际会议上发表研究成果，他们创建了卷积神经网络（CNN）的机器学习系统，该系统仅使用简单的地图和摄影机的影像数据，使无人驾驶汽车能够在新...[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]

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