Datasheet> 器件分类 > 无源元件> 电阻器> 82A4A-A20-B16/B16/B16/B16L

文档预览

82A4A-A20-B16/B16/B16/B16L: 产品描述Potentiometer, Conductive Plastic, 2W, 20000ohm, 20% +/-Tol, -1000,1000ppm/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; 标准

下载文档详细参数全文预览

82A4A-A20-B16/B16/B16/B16L概述

Potentiometer, Conductive Plastic, 2W, 20000ohm, 20% +/-Tol, -1000,1000ppm/Cel,

82A4A-A20-B16/B16/B16/B16L规格参数

参数名称	属性值
封装宽度	46.36 mm
封装高度	15.88 mm
封装长度	15.88 mm
表面贴装	NO
是否Rohs认证	Yes
Objectid	839908315
Reach Compliance Code	not_compliant
Country Of Origin	Mexico
Is Samacsys	N
YTEOL	7
构造	Square
端子数量	12
旋转角	240 deg
端子面层	Matte Tin (Sn)
JESD-609代码	e3
安装特点	PANEL MOUNT
封装形式	Panel Mount
额定功率耗散 (P)	2 W
电阻	20000 Ω
电阻器类型	POTENTIOMETER
技术	CONDUCTIVE PLASTIC
温度系数	1000 ppm/°C
容差	20%
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

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

大家早餐吃啥？: 每天早上爹开车送到城铁站，每天都抄起饼和鸡蛋路上吃基本边吃边瞌睡吃完整个早餐也就该下车了以前还吃过永和和711，现在都很久没去了~~ 附近有啥好吃的？...; clark 聊聊、笑笑、闹闹

赚分贴: 0...; fanghaoshfs 嵌入式系统

关于MMC卡的总线选择: 刚开始看相关的文档有几个问题 1。是否需先 bus testing 再 bus switch？ 2。bus testing的作用是什么？ 3。如何确定 power class 的具体值？比如我把总线从1比特变到4比特，具体步 ......; pascallee 嵌入式系统

求c语言歌曲编码如（两只老虎）等: 急求MSP430F149对应的C语言歌曲编码，即歌曲音符表本帖最后由 hnhsplj 于 2012-6-10 22:19 编辑 ]...; hnhsplj 微控制器 MCU

windows并口，新手请前辈指点一二。: 要做一个投币检测装置，用并口通信。进入运行系统，可以选择不同的游戏玩我是用执行exe程序的 API运行游戏的。但玩的过程中，可能玩家的游戏币消耗完，要再次投币。请问，当游 ......; wsmgyp 嵌入式系统

关于串口很无奈。。。。。: 在万利的板子上写了一段最简单的串口的程序，能成功在超级终端上显示但另外开了个工程也把原来的代码复制上去，一字没改，连设置都一样，但在超级终端上它就是没反应。。。。换回原来 ......; 彪哥 stm32/stm8

STM32单片机是如何启动的？

STM32中的内存 STM32中的内存包含两块主要区域：flash memory（只读）、static ram memory（SRAM，读写）。其中，flash memory 起始于0x08000000，SRAM起始于0x20000000。flash memory的第一部分存放异常向量表，表中包含了指向各种异常处理程序的指针。比如说，RESET Handler便位于0x08000004的位置，在...[详细]
比亚迪、特斯拉与三星商谈采购车载OLED

据报道，争夺全球电动汽车市场主导地位的特斯拉和比亚迪正考虑采用三星的AMOLED（有源矩阵有机发光二极管）技术作为下一代车载显示屏，此举引发业界高度关注。如果全球两大电动汽车制造商与三星显示器签署供货合同，预计将成为蓬勃发展的车载OLED市场的分水岭。据显示器新闻媒体OLED-Info当地时间8月23日报道，特斯拉和比亚迪正在与三星就车载显示屏供应事宜进行谈判。此前，比亚迪曾与三星...[详细]
基于TGW 的整车OTA 系统安全设计

摘要：随着智能汽车电子电气架构的复杂化，整车电控部件全生命周期管理面临多重挑战：传统基于诊断仪的现场刷写方案存在人工依赖度高、操作效率低的问题，而现有远程升级（OTA）技术则面临车载通信模块分立部署导致的硬件冗余及协议传输效率不足的瓶颈。文章提出一种集成式车载网关（TGW）架构，通过融合传统车载T-BOX（Telematics Box）与车载Gateway 功能，在硬件层面实现模块整合以消除冗...[详细]
一种基于GPRS的嵌入式电话报警系统设计

为了实现对家居环境安全状况实时的监控以及在发生警情时能自动拨号进行语音提示或发送报警短信，设计了一种基于GPRS的嵌入式电话报警系统。该系统以 SoC ( 在片系统) 单片机 C8501F020 为控制与处理核心，并利用2. 4 GHz 数字无线传输技术连接传感器，接收传感器采集的信号，对周围环境进行监控。同时，该系统结合GPRS短信功能和固定电话网络，实现报警信息的可靠传递和远...[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]
加热板：真空共晶炉的热力中心与材料塑造者

真空共晶炉是一个关键的设备，用于制造和处理各种材料，尤其是在微电子和纳米技术领域。这种设备的核心组件之一就是加热板。在本文中，我们将详细介绍真空共晶炉的加热板，包括其结构，功能，以及在整个真空共晶过程中的作用。首先，我们需要了解什么是加热板。简单来说，加热板是真空共晶炉中的一个重要部分，负责将电能转化为热能，提供足够的热量以满足共晶生长的需求。加热板通常由耐高温的材料制成，如石墨或者特殊的...[详细]
基于FPGA和Qt技术的音频广播系统

　　引言　　随着数字和网络等技术的发展，广播技术已经呈现出越来越多元化的趋势，其最主要的趋势便是从模拟到数字的转化。从宏观来说，广播技术大体上可以分为三类：传统公共广播系统，采用的是定压式线路，传输损耗小，负载连接较为方便，但是传输的电压较高，需在扬声器端加接降压设备;数字可寻址音频广播系统，此类系统采用数字信号进行音频信号的传输，并具有可寻址特性，具有更远的传输距离和可靠性;流媒体...[详细]
阿童木发布移动协作码垛机器人新品

近日，辰星自动化旗下品牌阿童木机器人推出移动版协作码垛新品，通过全向移动底盘、智能调度系统与人机交互技术突破，显著提升跨产线协作能力。该产品将传统码垛产线切换时间从2-8小时缩短至5-10分钟，设备日均利用率提升至85%（传统模式为55%），覆盖面积扩大5-20倍。该款移动版协作码垛机器人采用全向移动底盘设计，支持在狭窄通道内自由行进、旋转及跨楼层作业，单台覆盖面积达200-100...[详细]
日产将与LiCAP合作研发固态电池技术

据外媒报道，日产汽车近日已与美国电池技术公司LiCAP Technologies达成合作，旨在共同推进下一代电动汽车干法电极生产工艺技术的研发。双方将共同致力于开发全固态电池（ASSB）正极的干法电极生产工艺技术，该技术是推动电动汽车发展的核心组件之一。图片来源：日产此次合作正值日产汽车计划在2028财年前推出搭载自主研发的全固态电池的电动汽车之际，该公司希望通过加强研发活动...[详细]
“Wave”家电控制指环

引言　　智能家庭这一概念正在逐步发展并被市场接受。我们认为其终极形式在于所有家电的基于开放接口的互联互通，但基于目前的市场情况来看，各个家电厂商在开放接口方面表现的十分不积极。在这种环境下，一个通用的家电控制平台无疑是很有市场前景的。尤其是结合了体感手势控制技术以后，“Wave”家电控制指环将提供更加自然的用户体验，更容易被市场所接受。 1 系统设计　　“Wave”家电控制指环的主题最初...[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]
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]
小白转行入门STM32----手机蓝牙控制STM32单片机点亮LED

一、通信基础知识 1.1 通信到底传输的是什么？在逻辑层面，通信传输的是比特也就是二进制数。在物理层面上，当线路为电路时，发送方发送一个个持续小段时间的电压信号来表示这些二进制数，比如双方约定一个0.001秒的0V代表数字0，5V代表数字1，发送方发送先后发送两个持续0.001秒的0V和一个0.001秒的5V，就是相当于发送了001。这种持续一段时间的电压信号就是码元。当线路为无线电波时，码元...[详细]
STM32中的C语言知识点

下面就列出了一些STM32中重要的C语言知识点，初学的小伙伴可以多读几遍，其中大多知识点之前都有写过，这里重新整理一下，更详细地分析解释可以阅读附带的链接。 assert_param 断言（assert）就是用于在代码中捕捉这些假设，可以将断言看作是异常处理的一种高级形式。断言表示为一些布尔表达式，程序员相信在程序中的某个特定点该表达式值为真。可以在任何时候启用和禁用断言验证，因此可以在测试时...[详细]
直流电机调速方式

直流电机调速的方法： 1. 可以直接使用调压器改变输入电压调速，常用于大型千瓦级别电机 2. 可控硅移相调速几十千瓦到几百千瓦级别电机调速 3. 脉宽调速几十瓦到几百瓦级别电机调速 4. SDPWM调速方式是改变频率与占空比，计算比例后控制电机速度，通常用于闭环回路控制直流电机调速器的特点： (1) 调压器是改变输入电压调速 A. 弱磁调速，改变励磁电压，降压就升速，升压就降速 B. 改变电...[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