参数资料
型号: 91A1A-B28-A20
厂商: Bourns Inc.
文件页数: 1/5页
文件大小: 0K
描述: POT 100K OHM 5/8" SQ 2W CERMET
产品变化通告: Plastic Change 24/Jun/2011
Non-Rohs Panels Obsolescence 18/Nov/2011
标准包装: 5
系列: 91
电阻(欧姆): 100k
功率(瓦特): 2W
容差: ±10%
温度系数: ±150ppm/°C
匝数: 单路
旋转: 300°
调节型: 侧面调节
电阻材料: 金属陶瓷
端接类型: PCB 引脚
触动器长度: 0.875"(22.22mm)
触动器类型: 开槽轴
触动器直径: 0.250"(6.35mm)
尺寸 - 主体: 方形 - 0.500" L x 0.625" W x 0.689" H(12.70mm x 15.88mm x 17.45mm)
安装类型: 通孔
包装: 散装
其它名称: Q1165268
Features
■ Available in a variety of pin-out
con?gurations
■ Virtually in?nite electrical circuit isolation
■ Metal or plastic shaft options
■ RoHS compliant*
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) 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 in?nite .............................................. Essentially in?nite
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 Coef?cient 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 and RoHS Recast 2011/65/EU June 8, 2011.
Speci?cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their speci?c applications.
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91A1A-B28-A20L 功能描述:电位计 5/8" SQUARE ST PANEL CTRL RoHS:否 制造商:Bourns 产品:Musical Syst Potentiometer 安装风格:Panel 锥度:Audio, Linear 转数: 电阻:500 kOhms 元件类型:Carbon 轴类型:Round / Plain 端接类型:Solder Lug 电压额定值:200 V 功率额定值:0.2 W 容差:20 %
91A1AB28A20R51 制造商:未知厂家 制造商全称:未知厂家 功能描述:For technical assistance call the Sensor Controls Products number on the back cover
91A1A-B28-A21 功能描述:电位计 5/8" 200K 10% Square Single Turn RoHS:否 制造商:Bourns 产品:Musical Syst Potentiometer 安装风格:Panel 锥度:Audio, Linear 转数: 电阻:500 kOhms 元件类型:Carbon 轴类型:Round / Plain 端接类型:Solder Lug 电压额定值:200 V 功率额定值:0.2 W 容差:20 %
91A1A-B28-A22 功能描述:电位计 5/8" 250K 10% Square Single Turn RoHS:否 制造商:Bourns 产品:Musical Syst Potentiometer 安装风格:Panel 锥度:Audio, Linear 转数: 电阻:500 kOhms 元件类型:Carbon 轴类型:Round / Plain 端接类型:Solder Lug 电压额定值:200 V 功率额定值:0.2 W 容差:20 %
91A1A-B28-A22L 功能描述:电位计 250K 10% 5/8" SQ ST RoHS:否 制造商:Bourns 产品:Musical Syst Potentiometer 安装风格:Panel 锥度:Audio, Linear 转数: 电阻:500 kOhms 元件类型:Carbon 轴类型:Round / Plain 端接类型:Solder Lug 电压额定值:200 V 功率额定值:0.2 W 容差:20 %