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

81N2C-E28-G25/G25L

产品描述Potentiometer, Conductive Plastic, 0.5W, 1000000ohm, 20% +/-Tol, -1000,1000ppm/Cel,
产品类别无源元件    电阻器   
文件大小979KB,共8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

81N2C-E28-G25/G25L概述

Potentiometer, Conductive Plastic, 0.5W, 1000000ohm, 20% +/-Tol, -1000,1000ppm/Cel,

81N2C-E28-G25/G25L规格参数

参数名称属性值
是否Rohs认证符合
Objectid771336181
Reach Compliance Codenot_compliant
执行器方向HORIZONTAL
执行器类型SHAFT
构造Square
帮派号码2
安装特点PCB MOUNT
端子数量6
转弯数量1
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26.04 mm
封装形式PCB Mount
封装宽度15.88 mm
额定功率耗散 (P)0.5 W
额定温度70 °C
电阻1000000 Ω
电阻定律AUDIO
电阻器类型POTENTIOMETER
旋转角225 deg
表面贴装NO
技术CONDUCTIVE PLASTIC
温度系数1000 ppm/°C
端子形状FLAT
容差20%

文档预览

下载PDF文档
Features
n
Metal shaft and bushing
n
Consistent, smooth quality feel
n
Up to 4 sections available
n
Rotary switch option designed
for “on-off” function control
n
RoHS compliant*
81/82 – 5/8 ˝ Square Single-Turn Panel Control
85/86 – 5/8 ˝ Square Single-Turn Panel Control with Rotary Switch
Potentiometer Specifications
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) 1 watt ................................. (Linear tapers) 2 watts
(Audio tapers) 0.5 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
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 ............................................................................................................. IP40 ............................................................ IP40
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; locking bushing versions are shipped with one additional locking nut
(Bushing A: H-37-2 & H-38-2; Bushing B: H-37-2, H-38-2 & H-38-4; Bushing C: H-37-1 & H-38-1; Bushing E: H-37-1, H-38-1 & H-38-3; Bushing J: H-37-2 & H-38-2;
Bushing N: H-37-1 & H-38-1; Bushing R: H-37-4 & H-38-9; Bushing S: H-37-4 & H-38-9 & H-38-10; Bushing U: H-37-3 & H-38-8)
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.
1
Electrical specifications tested at 250 RPM, at room ambient: +25 °C nominal.
Initial Electrical Characteristics
1
Conductive Plastic Element
Cermet Element
Environmental Characteristics
1
Mechanical Characteristics
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Specifications are subject to change without notice. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
apt-get设置代理
在Ubuntu中,apt-get是一个必不可少的命令,但如果需要设置代理上网的环境中使用的话,还是需要做点调整的: 打开 /etc/apt/apt.conf (在最新的11.04版本中,此文件不存在,手动创建一个即可 ......
zzp0215 Linux开发
怎么报不了名
2010StM32研讨会,想给ST捧场,怎么这个版面中的Flash链接是空的?...
killhill stm32/stm8
日光灯铝基板的安装
目前LED电源有隔离的与不隔离的二种,但是隔离的电源发热太大,有些是用PFC电路做的,虽然在表面指标还不错,但是出现的问题也很多,没有非隔离电源的各种保护,即使安装了保护,但是线路就复杂 ......
探路者 LED专区
你肯定没见过的校规
1、不准在公共场所有接吻以及拥抱等过分动作。   2、学生不准在校长办公室门前和上课的教室抽烟。   3、在多媒体教室看电影不准大吼:“老板换碟子。”   4、在公共厕所大便完毕不 ......
lixiaohai8211 聊聊、笑笑、闹闹
USB-A封装
USB-A封装,已用过了!...
hyl130 单片机
LPC1114申请
你好,现在我们正在上ARM的课程,本人也在弄LPC2132这系列的MCU,现在想进一步学习你们开发的这款板子,也想用你板子做本人的大学毕业设计,GPS+GSM的汽车防盗系统,还没确定采用哪种MCU作为主 ......
qindehai NXP MCU

 
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: 1896  2362  1921  1898  2119  5  54  45  40  44 

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