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91U1A-T22-B18

产品描述面板安装电位计 5/8 50k 20% square single turn
产品类别无源元件    电阻器   
文件大小294KB,共5页
制造商Bourns
官网地址http://www.bourns.com
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91U1A-T22-B18概述

面板安装电位计 5/8 50k 20% square single turn

91U1A-T22-B18规格参数

参数名称属性值
是否Rohs认证不符合
厂商名称Bourns
Reach Compliance Codeunknow
构造Single Tu
引线长度15.29 mm
最高工作温度125 °C
最低工作温度-40 °C
封装高度17.45 mm
封装长度15.88 mm
封装形式PCB Mou
封装宽度12.7 mm
额定功率耗散 (P)0.5 W
电阻50000 Ω
电阻器类型POTENTIOMETER
旋转角240 deg
系列91
尺寸代码6350
技术CONDUCTIVE PLASTIC
温度系数-1000,1000 ppm/°C
容差20%

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*R
oH
VE S C O
AV R M
AI SIO PL
LA N IA
B L S NT
E
Features
Available in a variety of pin-out
configurations
Virtually infinite electrical circuit isolation
Metal or plastic shaft options
RoHS compliant versions available*
Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control
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 ...............................10 % or 20 % .................................................... 5 % or 10 %
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 (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 tapers) 10 ohms or ±15 % TRS max. ......(All tapers) ±5 % TRS max.
(whichever is greater)
(Audio tapers) ±20 % maximum
Contact Resistance Variation
@ 50,000 cycles ........................................... (Linear tapers) ±2 %.............................................±2 %
(Audio tapers) ±3 % .............................................±3 %
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift ................................... (Linear tapers) ±10 % TRS maximum .................(All tapers) ±5 % TRS maximum
(Audio tapers) ±20 % TRS maximum
Insulation Resistance (500 VDC) .................. 100 megohms minimum ......................................100 megohms minimum
IP Rating ............................................................ IP 40 .....................................................................IP 40
*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.
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