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BOURNS
3590S電位器技術參數
電氣特性（Electrical Characteristics）
5K可調電阻 BOURNS多圈精密電位計 3590S-2-102L
標準阻值范圍(Standard Resistance Range）..........................200 to 100K ohms
阻值允許偏差(Resistance Tolerance）..........................................±5 %
立線性度(Independent Linearity)..........................................±0.25%
有效旋轉角度(Effective Electrical Angle)......................3600 ° +10 °, -0 °
小阻值(Absolute Minimum Resistance）......................1 ohm or 0.1 % maximum
(whichever is greater)
噪音(Noise)...................................................100 ohms ENR maximum
耐電壓(Dielectric Withstanding Voltage)(MIL-STD-202, Method 301)
海平面（Sea Level）..............................................1,500 VAC minimum
額定功率(Power Rating)(Voltage Limited By Power Dissipation or 450 VAC, Whichever is Less)
+40 °C..................................................................2 watts
+125 °C..................................................................0 watt
絕緣電阻(Insulation Resistance)(500 VDC)....................1,000 megohms minimum
分辨率(Resolution) ..................................See recommended part numbers

環境特性(Environmental Characteristics)

工作溫度范圍(Operating Temperature Range).......................+1 °C to +125 °C
儲存溫度范圍(Storage Temperature Range)........................-55 °C to +125 °C
溫度系數范圍(Temperature Coefficient Over Storage Temperature Range2)
.........................................................±50 ppm/°C maximum/unit
震動(Vibration)...............................................................15 G
電刷返回(Wiper Bounce).....................................0.1 millisecond maximum
沖擊(Shock)...................................................................50 G
高溫負荷壽命(Load Life).......................................1,000 hours, 2 watts
總阻變化(Total Resistance Shift).....................................±2 % maximum
旋轉壽命(Rotational Life) (No Load)....................1,000,000 shaft revolutions
總阻變化(Total Resistance Shift).....................................±5 % maximum
防潮性(Moisture Resistance) (MIL-STD-202, Method 103, Condition B)
總阻變化(Total Resistance Shift).....................................±2 % maximum
防護等級(IP Rating)
密封對象（Sealed Versions） (-3, -4, -7, and -8) ............................IP 65
不密封對象(Unsealed Versions) (-1 -2, -5, and -6)............................IP 40

機械特性(Mechanical Characteristics)

終端止檔強度 (Stop Strength)..........................45 N-cm (64 oz.-in.) minimum
機械角度(Mechanical Angle)....................................3600 ° +10 °, -0 °
扭矩(Torque) (Starting & Running).......0.35 N-cm (0.5 oz.-in.) maximum (unsealed)
1.1 N-cm (1.5 oz.-in.) maximum (sealed)
固定方式(Mounting)..............................55-80 N-cm (5-7 lb.-in.) (plastic)
90-113 N-cm (8-10 in.-lb.) (metal)
軸擺度(Shaft Runout).....................................0.13 mm (0.005 in.) T.I.R.
橫向擺動(Lateral Runout).................................0.20 mm (0.008 in.) T.I.R.
軸端游隙(Shaft End Play).................................0.25 mm (0.010 in.) T.I.R.
轉軸徑向跳動(Shaft Radial Play)..........................0.13 mm (0.005 in.) T.I.R.
引導徑向跳動(Pilot Diameter Runout)......................0.08 mm (0.003 in.) T.I.R.
側隙(Backlash)......................................................1.0 ° maximum
重量(Weight)....................................................Approximately 19 G
終端設備(Terminals).........................................Solder lugs or PC pins
浸焊條件(Soldering Condition)
手焊(Manual Soldering)...................96.5Sn/3.0Ag/0.5Cu solid wire or no-clean
活性松香焊錫絲(rosin cored wire); 370 °C (700 °F) max. for 3 seconds
波動焊接(Wave Soldering)...96.5Sn/3.0Ag/0.5Cu solder with no-clean flux; 260 °C (500 °F) max.
for 5 seconds
清洗過程(Wash processes)..........................................Not recommended
標記(Marking)..........Manufacturer’s name and part number, resistance value and
tolerance, linearity tolerance, wiring diagram, and date code.
機械連接(Ganging )(Multiple Section Potentiometers).................1 cup maximum
五金器具(Hardware).....One lockwasher and one mounting nut is shipped with each potentiometer.

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