Datasheet> 器件分类 > 无源元件> 电阻器> 85A4C-B20-C10/R71L

文档预览

85A4C-B20-C10/R71L: 产品描述Potentiometer, Cermet, 2W, 1000ohm, 10% +/-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

85A4C-B20-C10/R71L概述

Potentiometer, Cermet, 2W, 1000ohm, 10% +/-Tol, -150,150ppm/Cel,

85A4C-B20-C10/R71L规格参数

参数名称	属性值
是否Rohs认证	符合
Objectid	777781929
Reach Compliance Code	not_compliant
构造	Square
最高工作温度	125 °C
最低工作温度	-40 °C
封装高度	18.42 mm
封装长度	15.88 mm
封装形式	Panel Mount
封装宽度	55.89 mm
额定功率耗散 (P)	2 W
电阻	1000 Ω
电阻器类型	POTENTIOMETER
旋转角	225 deg
系列	85(QUAD)
技术	CERMET
温度系数	150 ppm/°C
容差	10%

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

MSP430G2553 DA问题: 怎么用MSP430G2553 做DA转换器输出电压求帮助本人新手不懂谢谢！...; gmj123 微控制器 MCU

再次升级HTS221的mpy驱动: 新增加了电源控制命令，可以读取电源状态，设置电源开关以降低功耗。同时也修正了初始化中的一个错误。新的驱动程序已经上传到github上，为了避免重复，就不把代码贴出来了，大家可以在 ......; dcexpert ST传感器与低功耗无线技术论坛

真优美: 这两天看电视，记下的： 94725...; dontium 聊聊、笑笑、闹闹

在Q II环境下出现了如下警告，请教解决办法: 在Q II环境下出现了如下警告，请教高人给予指点解决办法： ---------------------------------------------------------------------- 1. Warning: Found 6 output pins without output pin l ......; fangliball FPGA/CPLD

请教三极管驱动LED和专业IC驱动LED区别: 最近需要做一个模块：供电电压为3.3v,驱动大概6串的LED（一串上挂4颗LED，电流想控制在600ma以内，可以使用多片ic或三极管）. 所以想请教一下，使用三极管和专业IC控制LED的一些区别，哪一 ......; HALO--117 LED专区

SWIM引脚是用来给STM8单片机下载程序的: 什么是SWIMSWIM的全称是：Serial Wire Interface Module，即单总线接口模块。ST意法半导体的单片机中STM32支持串口下载程序、JLINK接口、SWD等接口。STM8用SWIM来下载程序。SWIM只需要一根线 ......; 电子_精灵 stm32/stm8

AI造车第一车企，造出全球首个AI座舱

如果说汽车的终极形态是硅基生命体，那么在智能驾驶领域，它已经逐渐具备了「老司机」的样貌；而在智能座舱领域，它同样需要像一个人，甚至像一个「老朋友」。这是 AI 类人化演进的必然结果。从 DeepSeek 到 Manus，大模型的突破不断释放出深度思考、逻辑推理和执行决策的能力。而这些能力，唯有在智能座舱这一超级应用场景中，才能得到充分落地与扩展。在吉利发布的 Flyme Aut...[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]
机械设计中常用的动密封，了解一下

设备动密封问题是伴随着设备的运行而始终存在的，今天特意为大家梳理出了动设备上常用的各类密封形式和使用范围以及特点，让大家能够对密封问题有一个更深的了解。一、填料密封填料密封按其结构特点可分为：软填料密封硬填料密封成型填料密封 1、软填料密封软填料类型：盘根盘根通常由较柔软的线状物编织而成，通过截面积是正方形的条状物填充在密封腔体内，靠压盖产生压紧力，压紧填料，迫使填料压...[详细]
莱迪思将举办关于最新小型、低功耗FPGA创新的网络研讨会

中国上海——2025年8月26日——莱迪思半导体公司，低功耗可编程器件的领先供应商宣布，公司将举办网络研讨会，探讨其基于屡获殊荣的Lattice Nexus™ FPGA产品系列的小型FPGA的最新扩展。本次直播将对新推出的莱迪思Certus™-NX和莱迪思MachXO5™-NX FPGA器件进行深入的技术介绍，这些新拓展的器件提供了高I/O密度、低功耗和增强的安全功能。莱迪思专家还将介...[详细]
浅谈液晶电视电磁兼容设计技术

液晶电视结构主要包括：液晶显示模块，电源模块，驱动模块(主要包括主驱动板和调谐器板)以及按键模块。一般液晶显示模块由生产厂商在生产前已经完成EMC的测试。这里主要介绍一下设计电源模块、驱动模块、按键模块,以及整机设计时应注意的电磁干扰问题。电磁兼容(EMC)是液晶电视设计中不可避免的重要问题。如果EMC设计不好，将会导致电视在播放的过程中出现水波纹以及频闪等问题，严重时将会导致无法收看。E...[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]
stm32相关笔记——ADC部分

我们在学习一门技术的时候，应该对它的理论部分有所了解，然后才能在实践中进一步加深理解，进而掌握。对于stm32来说，我认为学习的时候应该先仔细阅读相关的参考手册，然后再动手实践，这样才能理解得更加透彻，掌握得更加牢固！今天记录一下我学习stm32的ADC部分的了解。 1.介绍小结：stm32的ADC有18个通道（16个外部通道+2个内部通道），有单次、连续、扫描和间断四种模式，ADC...[详细]
智能手机发展趋势及设计中需要注意的问题

　　智能手机如今已成为人们必备的数码设备，以智能手机为中心日益繁多的应用，也在逐渐丰富着人们的生活。作为使用者，手机用户希望有更好的应用体验，更多的应用选择。从iPhone6、华为MATE7、三星GALAXY Note 4、S6及努比亚Z9等几款较新的机型可以看出，手机厂商在采用更高性能的处理器以提升整机性能的同时，也更加注重向用户提供新的应用体验。一些新的应用如健康及医疗相关的功能、移动支付、...[详细]
是德科技携手新思科技运用AI进行射频设计迁移

是德科技将其电磁仿真器与新思科技的 AI 驱动射频设计迁移流程相结合，打造集成设计流程，助力从台积电 (TSMC) 的 N6RF+ 工艺技术迁移到 N4P 工艺技术。该迁移工作流程基于晶圆代工厂的模拟设计迁移 (ADM) 方法，旨在简化无源器件和设计组件的重新设计，使其符合先进的射频工艺规则。是德科技表示，该协作迁移工作流程充分利用了 N4P 工艺的性能提升，用于从 N6RF+ 迁移...[详细]
Plessey Semiconductors 被中国资本收购

Plessey Semiconductors 已被 Haylo Labs 收购。Haylo Labs 成立于去年 3 月，由中国科技公司歌尔股份提供 1 亿美元五年期贷款。 Haylo Labs 五个月前由成立两年的风险投资基金 Haylo Ventures 创立。Haylo Ventures 表示：“我们认识到整合分散但前景广阔的 MicroLED 行业的必要性，因此成立了 Haylo L...[详细]
车规芯片掀 “中国速度”，ST未来三年将推70款车规MCU

“目前，针对EMB线控制动的专用芯片，我们成功推出第一版产品。第二代样品也已顺利成型，现阶段正积极规划第三代高度集成的解决方案，期望在实现成本优化的同时，进一步提升其安全性。”日前，意法半导体（ST）在上海扩建升级的新能源汽车创新中心正式向媒体开放的当日，ST中国区汽车电子&上海新能源汽车创新中心应用总监姜炯迪向盖世汽车透露道。而这，亦不过是ST面向中国新能源汽车创新的众多...[详细]
数字电路中小数的操作

　　简介：在数字电路的运算中，没有小数点概念的，小数你知道在哪个位置，但是电路不知道小数点的位置，所以你要想法让电路在不知道小数点的情况下仍然能够运算出你想要的结果。这里就要进行小数点对齐。　　1,小数的运算　　在数字电路的运算中，没有小数点概念的，小数你知道在哪个位置，但是电路不知道小数点的位置，所以你要想法让电路在不知道小数点的情况下仍然能够运算出你想要的结果。这里就要进行小数点对齐...[详细]
人脸识别是如何实现的?

　人脸识别，一种基于人的脸部特征信息进行身份认证的生物特征识别技术。近年来，随着欧美发达国家人脸识别技术开始进入实用阶段后，人脸识别迅速成为近年来全球的一个市场热点。　　人脸识别技术包含三个部分：　　1.人脸检测　　面貌检测是指在动态的场景与复杂的背景中判断是否存在面像，并分离出这种面像。一般有下列几种方法：　　①参考模板法　　首先设计一个或数个标准人脸的模板，然后计算测试采集的样...[详细]
基于STC单片机的超声波清洗机

随着超声波技术的不断发展，超声波广泛应用于检测、清洗、焊接、医疗等领域，甚至在纺织、航空领域也能见到它的踪迹。目前，超声的研究和应用可分为功率超声和检测超声两大领域，超声清洗是功率超声最为广泛的应用之一。它通过换能器，将功率超声的声能转换成机械振动，同时强超声波在液体传播时会产生“空化效应”。在空化气泡突然闭合时发出的冲击波可在其周围产生上千个大气压力，对污层的直接反复冲击，一方面破坏污物与清洗...[详细]
铜编织线软连接和铜绞线软连接哪个好

铜编织线软连接和铜绞线软连接哪个好-在选择铜线软连接的时候，人们总会纠结于是用铜编织线软连接还是铜绞线软连接，两者除了外观上的区别之外，使用过程中也表现出了不一样的特点，但好在它们的作用是一样的，所以应用对象基本都是相似的。铜编织线软连接我们先来了解铜编织线软连接，它是经多根细圆铜丝经过交叉编织成一条扁平的铜编织带，形状是扁平带状。而铜绞线虽然也是由多根细圆丝加工而成，但他不是交叉编织...[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