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参数资料
| 型号： | 3547S-1AA-203B |
| 厂商： | Bourns Inc. |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | POT 20K OHM 7/8" RD WW |
| 产品变化通告： | Varnish Process Change 18/Jan/2012 3547,48,49 Design Change 19/Apr/2012 |
| 标准包装： | 5 |
| 系列： | 3547 |
| 电阻（欧姆）： | 20k |
| 功率（瓦特）： | 1W |
| 容差： | ±3% |
| 温度系数： | ±50ppm/°C |
| 匝数： | 3 |
| 旋转： | 1080° |
| 调节型： | 侧面调节 |
| 电阻材料： | 绕线 |
| 端接类型： | 焊片 |
| 触动器长度： | 0.813"（20.64mm） |
| 触动器类型： | 开槽轴 |
| 触动器直径： | 0.250"（6.35mm） |
| 尺寸 - 主体： | 圆形 - 0.885" 直径 x 0.780" L（22.48mm x 19.81mm） |
| 安装类型： | 面板安装 |
| 包装： | 托盘 |
Features
■ Wirewound and Hybritron ? elements
■ High rotational life
■ Optional 0.20 % linearity
■ Designed for HMI and MMI applications
■ Dual gang option
■ Servo mount option
■ Optional A/R lug
■ RoHS compliant*
■ Suitable for use under side load
3547 - 3-Turn Precision Potentiometer
Electrical Characteristics 1
Wirewound Element
Hybritron ? Element
Standard Resistance Range..................................................................1K to 50K ohms......................................................1K to 10K ohms
Total Resistance Tolerance....................................................................±3 % .......................................................................±10 %
Independent Linearity ............................................................................±0.25 % ..................................................................±0.25 %
Independent Linearity (Maximum Practical) ..........................................±0.20 % ..................................................................±0.20 %
Effective Electrical Angle .......................................................................1080 ° +10 °, -0 °....................................................1080 ° +10 °, -0 °
Absolute Minimum Resistance/End Voltage ..........................................1 ohm or 0.1 % maximum ......................................0.7 % maximum
(whichever is greater)
Noise/Output Smoothness ....................................................................100 ohms maximum ...............................................0.15 % maximum
Max. Wiper Current @ 5K ohms ...........................................................20 mA .....................................................................10 mA
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ...........................................................................................1,000 VAC minimum ..............................................1,000 VAC minimum
Insulation Resistance (500 VDC) ..........................................................1,000 megohms minimum ......................................1,000 megohms minimum
Resolution..............................................................................................See How to Order chart ........................................Essentially in?nite
Power Rating (Voltage Limited By Power Dissipation)
+70 °C................................................................................................1 watts ....................................................................1 watts
+125 °C..............................................................................................0 watt......................................................................0 watt
Environmental Characteristics 1
Operating Temperature Range
Dynamic .............................................................................................-40 °C to +125 °C ...................................................-40 °C to +125 °C
Static ..................................................................................................-55 °C to +125 °C ...................................................-55 °C to +125 °C
Temperature Coef?cient (Over Static Temperature Range) ..................±50 ppm/°C ............................................................±100 ppm/°C
Temperature Cycling (5 Cycles Over Static Temperature Range) .........±2 % TR shift max. .................................................±4 % TR shift max.
Vibration (15 Gs, 10 Hz to 2 kHz)
Wiper Bounce ....................................................................................0.1 ms max.............................................................0.1 ms max.
Shock (100 Gs, 6 ms sawtooth)
Wiper Bounce ....................................................................................0.1 ms max.............................................................0.1 ms max.
Load Life (1,000 hours @ 70 °C)...........................................................±2 % TR shift max. .................................................±5 % TR shift max.
Rotational Life
No Load .............................................................................................750,000 shaft revolutions ......................................1,500,000 shaft revolutions
Powered (MIL-PRF-12934)................................................................600,000 shaft revolutions ......................................1,200,000 shaft revolutions
Moisture Resistance (Mil-Std-202, Method 103) ...................................±2 % TR shift max. .................................................±5 % TR shift max.
IP Rating ................................................................................................IP 50 .......................................................................IP 50
Mechanical Characteristics 1
Mechanical Angle ...........................................................................................................................................................................................1080 ° +10 °, -0 °
Backlash .................................................................................................................................................................................................................... 1.0 ° max.
Stop Strength.......................................................................................................................................................................................53 N-cm (75 oz-in.) min.
Torque
Starting ........................................................................................................................................................................................0.5 N-cm (0.7 oz.-in.) max.
Running .......................................................................................................................................................................................0.5 N-cm (0.7 oz.-in.) max.
Clutch................................................................................................................................................................................1.0 to 4.2 N-cm (1.5 to 6.0 oz.-in.)
Mounting .......................................................................................................................................................................... 170-200 N-cm (15-18 in.-lb.) max.
Shaft Runout T.I.R. ..................................................................................................................................................................................... 0.08 mm (0.003 in.)
Lateral Runout T.I.R.................................................................................................................................................................................... 0.13 mm (0.005 in.)
Shaft End Play T.I.R. .................................................................................................................................................................................. 0.15 mm (0.006 in.)
Shaft Radial Play T.I.R................................................................................................................................................................................ 0.08 mm (0.003 in.)
Pilot Diameter Runout T.I.R. ....................................................................................................................................................................... 0.08 mm (0.003 in.)
Weight
Single .................................................................................................................................................................................................... 18 gm (0.63 oz.) typ.
Dual ....................................................................................................................................................................................................... 34 gm. (1.2 oz.) typ.
Shaft Side Load (Max. Allowable)
Nickel Plated Brass Shaft w/Brass Bushing ................................................................................................................................................. 50 gmf (1.7 ozf)
Stainless Steel Shaft w/Bronze Bushing .................................................................................................................................................... 250 gmf (8.8 ozf)
Terminals .............................................................................................................................................................................................. Gold-plated solder lugs
Soldering Condition
Manual Soldering ........................................................... 96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire, 370 °C (700 °F) max. for 3 seconds
Wave Soldering ...................................................................................96.5Sn/3.0Ag/0.5Cu solder with no-clean ?ux, 260 °C (500 °F) max. for 5 seconds
Wash processes .......................................................................................................................................................................................Not recommended
Mounting Hardware ............................................................................................. One lockwasher and one mounting nut is shipped with each potentiometer
Recommended Panel Thickness (Bushing Mount) ..................................................................................................................2.46-3.81 mm (0.097-0.150 in.)
Marking ...........................................................................................................................Manufacturer’s symbol, model number, product code and date code
Standard Packaging ........................................................................................................................................................................... Plastic trays (5 pcs./tray)
1 At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
For other options, please consult factory.
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 3547S-1AA-502A | 功能描述:精度电位计 PREC POT 5K .25% 7/8" 22MM DIA 10T WW RoHS:否 制造商:Bourns 产品:Precision Potentiometer 安装风格:Panel 线性: 锥度: 转数:3 元件类型:Wirewound 轴类型:Slotted 电阻:2 kOhms 端接类型:Solder Lug 电压额定值: 容差:5 % |
| 3547S-1AA-502B | 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:3-Turn Precision Potentiometer |
| 3547S-1AB-102A | 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:3-Turn Precision Potentiometer |
| 3547S-1AB-102B | 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:3-Turn Precision Potentiometer |
| 3547S-1AB-103 | 制造商:BOURNS 制造商全称:Bourns Electronic Solutions 功能描述:3-Turn Precision Potentiometer |
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