电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

85A2F-A24-B25/R59

产品描述Potentiometer, Conductive Plastic, 2W, 1000000ohm, 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
下载文档 详细参数 全文预览

85A2F-A24-B25/R59概述

Potentiometer, Conductive Plastic, 2W, 1000000ohm, 20% +/-Tol, -1000,1000ppm/Cel,

85A2F-A24-B25/R59规格参数

参数名称属性值
是否Rohs认证不符合
Objectid773672493
Reach Compliance Codeunknown
构造Square
引线长度12.7 mm
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PCB Mount
封装宽度35.57 mm
额定功率耗散 (P)2 W
电阻1000000 Ω
电阻器类型POTENTIOMETER
旋转角240 deg
系列85(DOUBLE)
技术CONDUCTIVE PLASTIC
温度系数-1000,1000 ppm/°C
容差20%

文档预览

下载PDF文档
*R
oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
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
1
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
1
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
求助 dsp28016 ccs与目标板连接不上
我自己做了一块dsp28016的最小系统,测得电压、时钟信号都是正常的,用的仿真器是spectrum digital XDS510LC usb 每次连接报错是: Error connecting to the target: Error 0x80000200/-11 ......
太极 微控制器 MCU
求助三相采样电路怎么用
用了一个简单的单片机检测三相三线的ABC三相与三个继电器同步控制输出的A1B1C1。为了防止出现继电器损坏造成的吸合不了的情况,所以做了如下的缺相检测电路。在吸合时,A与A1,B与B1,C与C1连通 ......
涉雨前行 模拟电子
WinCE6.0下MFC程序开发error
各位大侠: 小弟定制WinCE6.0 平台,导出并安装SDK, 用VS2005创建一个智能设备的MFC设备应用程序,最简单的那种,基于对话框, 不做任何修改,直接编译,报错.... 错误信息如下,跟官 ......
lxcqh2008 嵌入式系统
问个小白的问题,MSP430F2013和CC1101EMK433
最近在做一个项目,想用MSP430F2013通过SPI和CC1101EMK433模块通信,可是2013的FLASH只有2KB,RAM只有128B。。就向问一下各位大牛,MSP430F2013够用么?谢谢! 本帖最后由 sphinz 于 2011-9-2 ......
sphinz 微控制器 MCU
【视频分享】TMS320C64x网络课程七——CSL3.x
简介:TMS320C64x+网络课程6——CSL3.x,主要介绍CSL3的使用情况,CSL2-CSL3-PSP的逐步升级,CSL的层次,外设寄存器的结构和操作等详细讲解。 此网络培训针对C64x+,每次一个专题,由DSP高性能 ......
德州仪器_视频 DSP 与 ARM 处理器
【挑战Energia-ID0103A】Energia解密 -3
1.5 在线Energia如果你还在纠结到底在哪个操作系统下安装的时候,你可以用另一个开发工具,云开发的在线Energia。 首先登陆dev.ti.com 335450 然后要登陆账号,使用前要先安装TI agent这个 ......
北方 TI技术论坛

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 1365  2452  1257  994  757  58  53  18  31  51 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved