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參數(shù)資料
| 型號： | 91A1A-B28-B10 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | DREHPOTENTIOMETER EIN LIN 6.35MM 1K 1W |
| 中文描述： | DREHPOTENTIOMETER艾因林6.35mm的一千1W的 |
| 文件頁數(shù)： | 16/54頁 |
| 文件大小： | 2453K |
| 代理商： | 91A1A-B28-B10 |
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Specifications are subject to change without notice.
218
81/82 - 5/8” Square Single-Turn Conductive Plastic
Initial Electrical Characteristics
1
Standard Resistance Range
Linear Tapers (A, B, E, & H)......................................(B & E) 1K ohms to 1 megohm..................................(A & H) 50 ohms to 1 megohm
Audio Tapers (C, D, F, G, S, & T).............................(D, G, S, & T) 1K ohms to 1 megohm........................(C & F) 1K ohms to 1 megohm
Resistance Tolerance..................................................(B, D,& G tapers) ±20% ............................................(A, C, & F tapers) ±10%
(E, S, & T tapers) ±10%
Independent Linearity.................................................(B & E tapers) ±5% ...................................................(A & H tapers) ±5%
Absolute Minimum Resistance...................................2 ohms maximum.....................................................2 ohms maximum
Continuity....................................................................Maintained for full mechanical angle........................Maintained for full mechanical angle
Effective Electrical Angle ............................................240° ±5% ..................................................................240° ±6°
Contact Resistance Variation......................................±1% ..........................................................................±1% or 3 ohms (whichever is greater)
Theoretical Resolution................................................Essentially infinite......................................................Essentially infinite
Dielectric Withstanding Voltage..................................MIL-STD-202, Method 301.......................................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 At 70°C (Voltage Limited By Power
Dissipation or 350 VAC, Whichever Is Less)
+70°C Single Section Assembly..............................(B & E tapers) 0.5 watt..............................................(A & H tapers) 2 watts
(D, G, S & T tapers) 0.25 watt
+70°C Multiple Section Assembly ...........................(B & E tapers) 0.5 watt/section.................................(A & H tapers) 1 watt/section
(D, G, S & T tapers) 0.25 watt/section
+125°C .....................................................................0 watt........................................................................0 watt
Roll-on/Roll-off............................................................(B & E tapers) 0.25% maximum................................(A & H tapers) 0.5% maximum
(D & S tapers) 0.1% maximum CCW end
(G & T tapers) 0.1% maximum CW end
(D & S tapers) 0.5% maximum CW end
(G & T tapers) 0.5% maximum CCW end
Conductive Plastic Element
Cermet Element
(H taper) ±5%
(C & F tapers) 1 watt
(C & F tapers) 0.5 watt/section
(C taper) 0.1% maximum CCW end
(F taper) 0.1% maximum CW end
(C taper) 1.0% maximum CW end
(F taper) 1.0% maximum CCW end
Environmental Characteristics
1
Operating Temperature..........................................+1°C to +125°C ...................................................+1°C to +125°C
Storage Temperature Range.......................................-55°C to +125°C .......................................................-55°C to +125°C
Temperature Coefficient
Over Storage Temperature Range ...........................±1,000PPM/°C ..........................................................±150PPM/°C
Vibration (Single Section)............................................15G ...........................................................................15G
Voltage Ratio Shift ...................................................±5% maximum .........................................................±5% maximum
Total Resistance Shift ..............................................±2% maximum .........................................................±2% maximum
Shock (Single Section)................................................30G ...........................................................................30G
Voltage Ratio Shift ...................................................±5% maximum .........................................................±5% maximum
Total Resistance Shift ..............................................±2% maximum .........................................................±2% 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 ..............................................(B & E tapers) 10 ohms or ±12% maximum ............10 ohms or ±10% maximum
(whichever is greater)
(D, G, S & T tapers) ±20% maximum
Moisture Resistance ...................................................MIL-STD-202, Method 103, Condition B..................MIL-STD-202, Method 103, Condition B
Total Resistance Shift ..............................................(B & E tapers) ±10% maximum ................................±5% maximum (all tapers)
(D, G, S & T tapers) ±20% maximum
Insulation Resistance (500 VDC)..............................100 megohms minimum...........................................100 megohms minimum
(whichever is greater)
Mechanical Characteristics
1
Running Torque (Non-Locking Bushings)
Single Section..........................................................0.2 to 1.5 oz.-in. (0.14 to 1.06 Ncm).........................0.2 to 1.5 oz.-in. (0.14 to 1.06 Ncm)
Dual Section.............................................................0.2 to 1.5 oz.-in. (0.14 to 1.06 Ncm).........................0.2 to 1.5 oz.-in. (0.14 to 1.06 Ncm)
Triple Section...........................................................0.5 to 2.0 oz.-in. (0.35 to 1.41 Ncm).........................0.5 to 2.0 oz.-in. (0.35 to 1.41 Ncm)
Quadruple Section...................................................0.5 to 2.0 oz.-in. (0.35 to 1.41 Ncm).........................0.5 to 2.0 oz.-in. (0.35 to 1.41 Ncm)
Running Torque (Locking Bushings)...........................0.2 to 4.0 oz.-in. (0.14 to 2.82 Ncm).........................0.2 to 4.0 oz.-in. (0.14 to 2.82 Ncm)
Shaft Locking Torque with Locknut
@ 10 in-lb. (B & E Bushings)....................................20 oz-in.....................................................................20 oz-in.
Stop Strength..............................................................1/4” (6.35mm) and 1/8” (3.18mm) shafts - ...............1/4” (6.35mm) and 1/8” (3.18mm) shafts -
4 in.-lb. (45.19 Ncm) min.
7/8” (19.81mm) shaft -2 in.-lb. ( 22.6 Ncm) min.
Mechanical Angle .......................................................300° ±5°....................................................................300° ±5°
Weight (Single Section)...............................................21 grams maximum..................................................21 grams maximum
Each Additional Section...........................................6 grams maximum....................................................6 grams maximum
Terminals.....................................................................Printed circuit terminals or J -Hooks .........................Printed circuit terminals or J -Hooks
Marking.......................................................................Manufacturer’s trademark, wiring diagram, date code and resistance, manufacturer’s part number
4 in.-lb. (45.19 Ncm) min.
7/8” (19.81mm) shaft -2 in.-lb. ( 22.6 Ncm) min.
NOTE: Model 81/82 performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
1
At room ambient: +25°C nominal and 50% relative humidity nominal, except as noted.
Features
I
Metal shaft and bushing
I
Consistent, smooth quality feel
I
Up to 4 sections available
For dimensional drawings see page 222.
For ordering information see page 224.
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| 91A1A-B28-B10L | 功能描述:電位計(jì) 5/8" SQUARE ST PANEL CTRL RoHS:否 制造商:Bourns 產(chǎn)品:Musical Syst Potentiometer 安裝風(fēng)格:Panel 錐度:Audio, Linear 轉(zhuǎn)數(shù): 電阻:500 kOhms 元件類型:Carbon 軸類型:Round / Plain 端接類型:Solder Lug 電壓額定值:200 V 功率額定值:0.2 W 容差:20 % |
| 91A1AB28B10R51 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:For technical assistance call the Sensor Controls Products number on the back cover |
| 91A1A-B28-B12 | 功能描述:電位計(jì) 5/8" 2.5K 20% Square Single Turn RoHS:否 制造商:Bourns 產(chǎn)品:Musical Syst Potentiometer 安裝風(fēng)格:Panel 錐度:Audio, Linear 轉(zhuǎn)數(shù): 電阻:500 kOhms 元件類型:Carbon 軸類型:Round / Plain 端接類型:Solder Lug 電壓額定值:200 V 功率額定值:0.2 W 容差:20 % |
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