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

PTH902-140K-203B4

产品描述Potentiometer, Carbon Composition, 0.05W, 20000ohm, 10V, 20% +/-Tol, 1 Turn(s), 3772, ROHS COMPLIANT
产品类别无源元件    电阻器   
文件大小340KB,共2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

PTH902-140K-203B4概述

Potentiometer, Carbon Composition, 0.05W, 20000ohm, 10V, 20% +/-Tol, 1 Turn(s), 3772, ROHS COMPLIANT

PTH902-140K-203B4规格参数

参数名称属性值
是否Rohs认证符合
厂商名称Bourns
包装说明ROHS COMPLIANT
Reach Compliance Codenot_compliant
ECCN代码EAR99
执行器方向HORIZONTAL
执行器类型SHAFT
构造Rotary
帮派号码2
引线长度3.5 mm
制造商序列号PTH90
安装特点THROUGH HOLE MOUNT
端子数量3
转弯数量1
最高工作温度55 °C
最低工作温度-10 °C
封装高度11.35 mm
封装长度9.5 mm
封装形状RECTANGULAR PACKAGE
封装形式PCB Mount
封装宽度18.3 mm
额定功率耗散 (P)0.05 W
电阻20000 Ω
电阻定律AUDIO; LINEAR
电阻器类型POTENTIOMETER
旋转角300 deg
系列PTH90
尺寸代码3772
表面贴装NO
技术CARBON COMPOSITION
端子形状FLAT
容差20%
工作电压10 V

文档预览

下载PDF文档
PL
IA
NT
Features
Carbon element
Assortment of resistance tapers
Variety of shaft lengths
Dual gang element
Flatted, slotted and knurled shaft styles
Center detent option
*R
oH
S
CO
M
PTH90 Series Dual Concentric Shaft Panel Control w/Rotary Switch
Electrical Characteristics
Standard Resistance Range
............................1K ohms to 1 megohm
Standard Resistance Tolerance
R < 250K ohms .............................±20 %
R ≥ 250K ohms .............................±30 %
End Resistance
R < 50K ohms .................. 30 ohms max.
R ≥ 50K ohms ............. 0.1 % of TR max.
Insulation Resistance @ 250 VDC
................................. 100 megohms min.
Dielectric Withstanding Voltage ....300 VAC
Standard Taper ...................... Linear, Audio
Power Rating
Linear ....................................... 0.05 watt
Audio ........................................ 0.05 watt
Slider Noise ...........................100 mV max.
Operating Voltage ........... 50 VAC / 10 VDC
Product Dimensions
(Shown with Flatted Shaft)
18.3 ± 1.0
(0.720 ± 0.039)
L2
10.0
(0.394)
8.5
(0.335)
L1
7.0
(0.276)
2.5 +0/-0.05
(0.098 +0/-0.002)
3.5 +0/-0.05
(0.138 +0/-0.002)
DIA.
60 °
Y
X
0.75
0.030
0.8 ± 0.2
(0.031 ± 0.002)
M7 x
C0.5
5.0 + 0/-0.1
(0.197 +0/-0.004)
6.0 + 0/-0.05
(0.236 +0/-0.002)
DIA.
X
6.5 ± 0.5
(0.256 ± 0.002)
0.9 ± 0.1
(0.035 ± 0.004)
3.5
(0.138)
9.5
(0.374)
4.85
(0.191)
SW
R2
R1
Environmental Characteristics
Operational Life .................... 15,000 cycles
TR Shift .........................................±15 %
Operating Temperature Range
......................................-10 °C to +55 °C
Resistance to Solder Heat ..................±5 %
IP Rating .............................................IP 40
L
1
30.0
(1.181)
35.0
(1.378)
Mounting Hole Detail
5.0
(0.197)
6.5
(0.256)
5.0
(0.197)
MOUNTING
SURFACE
5.0
(0.197)
DIA.
1.0 +0.1/-0
(0.039 +0.004/-0)
8 PLCS.
Y
0.8 ± 0.2
(0.315 ± 0.008)
2.0 ± 0.1
(0.079 ± 0.004)
L
2
20.0
(.787)
25.0
(.984)
Locating Lug Detail
Y
X
X
6.0 ± 0.2
(0.236 ± 0.008)
Mechanical Characteristics
Mechanical Angle ....................... 300 ° ±3 °
Operating Torque ..................20~250 gf-cm
Stop Strength...................... 10 kgf-cm min.
Mounting Torque ................ 10 kgf-cm max.
Shaft Push/Pull Strength ......... 10 kgf max.
Soldering Condition
Manual ............... 300 °C ±5 °C for 3 sec.
Wave .................. 260 °C ±5 °C for 5 sec.
Wash ......................... Not recommended
Hardware ....................One flat washer and
one mounting nut supplied with
each potentiometer
Additional Shaft Styles
Knurled Shaft
L
1
L
2
5.0
(0.197)
10.0
(0.394)
1.0
SLOTTING ANGLE
OF INNER SHAFT
(0.039)
NOT SPECIFIED
6.0
9.0
DIA.
(0.236)
(0.354)
60 °
8.0
8.0
8.0
(0.315)
(0.315)
(0.315)
DIA.
Switch Characteristics
Power Rating .......................3 A @ 16 VDC
Contact Resistance .............. 100 milliohms
Dielectric Strength
Bushing to Terminals.................300 VAC
Switch Terminals .........................50 VAC
Insulation Resistance
Bushing to Terminals @ 250 VAC
......................................... 100 megohms
Switch Terminals @ 50 VAC
........................................... 10 megohms
Switch Type ..................................... Rotary
Contact Arrangement.........................SPST
Switching Angle ...........................50 ° max.
Detent Torque ........................... 500 kgf-cm
Operating Life ....................... 10,000 cycles
L
1
30.0
(1.181)
35.0
(1.378)
DIMENSIONS:
L
2
20.0
(.787)
25.0
(.984)
MM
(INCHES)
M9 X
0.75
(0.030)
C0.5
3.0
(0.118)
1.0
(0.039)
C1
OUTER SHAFT SHOWN
IN FULL CCW POSITION
Slotted Shaft
L
1
L
2
10.0
(0.394)
SLOTTING ANGLE
1.5
OF INNER SHAFT
(0.059)
NOT SPECIFIED
5.0
4.7
DIA.
60 °
(0.197)
(0.185)
8.0
8.0
6.7
(0.315)
(0.315)
(0.264)
DIA.
L
1
35.0
(1.378)
40.0
(1.575)
L
2
21.0
(.827)
26.0
(1.024)
*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.
0.75
M9 X
(0.030)
C0.5
3.0
(0.118)
C0.5
OUTER SHAFT SHOWN
IN FULL CCW POSITION
求助一个利用TA中断采集电压信号的问题
思路是利用TA CCR0和CCR2中断,转变flag,然后在主程序里赋值,结果是第一次采样得到的值是270,后来每次采样都是800多,实际电压值换算过来是270,也就是说只有第一次采样正确。。。不知道为什 ......
gesper3187 微控制器 MCU
DTS/杜比数码AC-3音频解码板(DA32UD)
采用CS493263音频DSP,CS8415 96KHz数字接收器,96KHz/24bit ADC及DAC。 支持杜比数码AC-3、杜比定向逻辑、dts、PCM等5.1声道解码。 STL215单片机可以在线直接升级程序,使用更新的程 ......
hsav 模拟电子
关于Stellaris系列UART的FIFO新认识,经典!
【经典提问】   有没有办法去掉UART的FIFO,或者怎样才能实现每收发一个字符就中断一次呢?Stellaris系列ARM的UART好像无法做到这一点,存在缺陷! 【精妙解答】   误解了,根本就不 ......
wanghongyang 微控制器 MCU
PIC单片机两路模拟量编程求助
哪位大神能帮忙给个PIC单片机两路模拟量的编程例子学习一下啊,谢谢 ...
czwukun Microchip MCU
关于网卡驱动的开发!!
我现在自己写了一个网卡的驱动,但就是连接不上,谁有驱动开发的经验,可以交流一下吗,谢谢...
rongfengtantg 嵌入式系统
MSP430单片机下载器14针接电路板JTAG口四针的接法?恳求达人答案,在线等!
MSP430单片机下载器14针接电路板JTAG口四针的接法?最近接手新项目,板子是现成的,但是烧写程序发现板子上是四根线的。不知有人试过没,谢谢!...
xiaohedongliu 微控制器 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: 2717  1766  1099  2618  254  55  36  23  53  6 

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