82A1D-Z28-BA0/255L

82A1D-Z28-BA0/255L

BOURNS INC.

旋转式电位计,变阻器
POT 250K OHM 1/4W PLASTIC LOG
其他名称:82A1DZ28BA0255L
ProductcategoriePotentiometers
FabrikantBourns
Reeks82
KlemtypeJ-Hook
ProductPotentiometer
Aantalgroepen1Gang
weerstand250kOhms
TapsverloopstukAudio
MontagetypePanelMount
Nominaalvermogen250mW(1/4W)
Nominalespanning1.5kV
Tolerantie10%
ElementtypeConductivePlastic
Aantalomwentelingen1Turn
AstypeKnurled/Serrated
Asdiameter5.97mm
Aslengte17.48mm
TypeRotaryPlastic
Minimalebedrijfstemperatuur-40C
Maximalebedrijfstemperatuur+125C
VerpakkenBulk
MerkBourns
Hoogte15.88mm
Lengte33.36mm
Verpakkingshoeveelheidaffabriek45
HandelsnaamProAudio
Breedte15.88mm
Gewichtperstuk21g
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˜˚˛˝˙ˆ ˜ˇ˘˜˜˜˜ ˜˜˜˜ ˜˜˜ ˜˜˜ ˜ ˜˜˜Initial Electrical Characteristics1Standard Resistance Value ...................................................................................................................................................................250K and 500K ohmsTotal Resistance Tolerance ..............................................................................................................................................................................................10 %Independent Linearity ......................................................................................................................................................................................................±5 %Absolute Minimum Resistance ....................................................................................................................................................................2 ohms maximumEffective Electrical Angle .........................................................................................................................................................................................225 ° ± 5 °Contact Resistance Variation ..........................................................................................................................................................................................±1 %Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level ..........................................................................................................................................................................................1,500 VAC minimum 70,000 Feet ..........................................................................................................................................................................................500 VAC minimum Insulation Resistance (500 VDC) ...................................................................................................................................................1,000 megohms minimumPower Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less) +70 °C .................................................................................................................................................................................................................0.25 watt +125 °C ....................................................................................................................................................................................................................0 wattTheoretical Resolution .................................................................................................................................................................................Essentially infiniteEnvironmental Characteristics1Operating Temperature Range ....................................................................................................................................................................-40 °C to +125 °CStorage Temperature Range .......................................................................................................................................................................-55 °C to +125 °CTemperature Coefficient Over Storage Temperature Range ...........................................................................................................................±1,000 ppm/°CVibration ...........................................................................................................................................................................................................................15 G Total Resistance Shift ................................................................................................................................................................................±2 % maximum Voltage Ratio Shift .....................................................................................................................................................................................±5 % maximumShock................................................................................................................................................................................................................................30 G Total Resistance Shift ................................................................................................................................................................................±2 % maximum Voltage Ratio Shift .....................................................................................................................................................................................±5 % maximumLoad Life ...............................................................................................................................................................................................................1,000 hours Total Resistance Shift ..............................................................................................................................................................................±10 % maximumRotational Life (No Load).................................................................................................................................................................................100,000 cycles Total Resistance Shift ..............................................................................................................................................................................±20 % maximum Contact Resistance Variation @ 50,000 cycles ....................................................................................................................................................... ±3 %Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift ......................................................................................................................................................................±20 % TRS maximum Insulation Resistance (500 VDC) ................................................................................................................................................100 megohms minimumIP Rating .........................................................................................................................................................................................................................IP 40 Mechanical Characteristics1Mechanical Angle .....................................................................................................................................................................................................300 ° ±5 °Rotational Torque ...........................................................................................................................................................................0.7 oz-in (50 g-cm) typicalWeight ......................................................................................................................................................................................................................21 gramsTerminals .....................................................................................................................................................................................................................J-hooks Soldering Condition ........................................................................ Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux.Marking ........................................................................................................ Hardware ..................................One lockwasher (H-37-2), one flat washer (35200-0793), two mounting nuts (H-38-2) and one solder lug washer (H-127) are shipped with each potentiometer˜˜˜˜˜˜˜˜˜˜›†“˜˜Audio Taper Plot 100908070605040302010001020304050PERCENT EFFECTIVE ELECTRICAL CLOCKWISE ROTATIONPERCENT VOLTAGE RATIO OUTPUT60708090100Selection Guide†˜˜˜˜Schematic13CCW2POTENTIOMETER˜˜˜–˝˘˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜ ˜˙ˆ˜˜˜˝˛˙˝˙ˇˆ‰ ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜ˇˆ˜˜˜˜˜˜˜˜˜‰ˆˆ˜ ˜˜˜ ˜˜˜ ˜˜ ˜˜ ˜˜˜˜˜˜˜˜˜˜˜˜˜˙ˆ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜ˇˆ˜˜˜˜˜˜˜˜˜‰Product Dimensions15.88 ± 0.38(.625 ± .015)15.88 ± 0.38(.625 ± .015)5.87 ± 0.25(.231 ± .010)15.88 ± 0.38(.625 ± .015)17.48 ± 0.78(.688 ± .031)FMS0.25(.010)X 45 ° ± 5 ° CHAMFERSTANDOFFALL TERMINALSMAX. ALL TERMINALSMOUNTING FACE0.81(.032)RINSIDEALL TERMINALS0.76 ± 0.25(.030 ± .010)0.81(.032)TYP.DIA.MIN.0.38(.015)1.57 ± 0.25(.062 ± .010)9.58 ± 0.38(.377 ± .015)5.03(.198)DIA.5.97(.235)DIA.5.33 ± 0.76(.21 ± .03)5.97 ± 0.38(.235 ± .015)9.53 ± 0.38(.375 ± .015)7.92(.312)3.81(.150)9.40 ± 0.76(.37 ± .03)5.08 ± 0.38(.200 ± .015)18 TEETHKNURLEDSHAFT5.87 ± 0.25(.231 ± .010)15.88 ± 0.38(.625 ± .015)26.97 ± 0.78(1.062 ± .031)FMS0.25(.010)X 45 ° ± 5 ° CHAMFERMOUNTING FACE0.76 ± 0.25(.030 ± .010)0.81(.032)TYP.DIA.MIN.1.57 ± 0.25(.062 ± .010)5.03(.198)DIA.5.97(.235)DIA.5.97 ± 0.38(.235 ± .015)19.05 ± 0.38(.750 ± .015)17.45(.687)MIN.7.92(.312)5.08 ± 0.38(.200 ± .015)18 TEETHKNURLEDSHAFT(LONG)3/8-32 NEF-2B16.0(.630)19.5 ± 0.13(.768 ± .005)19.5 ± 0.13(0.77 ± 0.005)12.75 ± 0.13(.502 ± .005)15.75 ± 0.13(.620 ± 0.005)9.58 / 9.93(.377 / .391)14.66 +0.00/-0.43(.577 +.000/-.017)12.52 / 12.88(.493 / .507)2.0 ± 0.08(.079 ± .003)1.75 ± 0.08(.069 ± .003)0.56(.022)REF.LOCKWASHERHEX NUTFLAT WASHERSOLDER LUGWASHER2.36(.093)30 ° ± 5 °1.32 ± 0.08(.052 ± .003)2.8 ± 0.08(.110 ± .003)0.5 ± 0.05(.020 ± .002)1.0(.039)R1.0(.039)RDIA.DIA.12.5(.492)DIA.0.5(.020)R0.5(.020)RPLAINSHAFT15.88 ± 0.41(.625 ± .016)19.05 ± 0.78(.750 ± .031)FMS0.25(.010)X 45 ° ± 5 ° CHAMFER132231MOUNTING FACE3/8-32 UNEF-2A0.81(.032)TYP.DIA.MIN.5.97 ± 0.38(.235 ± .015)9.53 ± 0.38(.375 ± .015)7.92(.312)5.08 ± 0.38(.200 ± .015)6.0(.236)DIA.16.0(.630)13.57(.534)26.0 ± 0.13(1.024 ± .005)12.75 ± 0.13(.502 ± .005)2.47(.097)1.83(.072)0.86(.034)2.86(.113)4.35(.171)1.60(.063)2.24(.088)SOLDER LUGWASHER0.65 ± 0.05(.026 ± .002)DIA.9.75 ± 0.13(.384 ± .005)DIA.1.0(.039)R135 °1.60(.063)R0.15(.006)R2 PLCS.0.80(.031)R15.75 ± 0.13(.620 ± 0.005)DIA.1.0(.039)R3.16(.124)3.00(.118)5.70(.224)0.5(.020)R0.5(.020)R0.81 ± 0.08(.032 ± .003)DIA.10.41(.410)DIA.14.43(.568)—–’…‡… –– Œ…Ž’ ˆSuggested Panel Layout9.91(.390)DIA.—–’…‡… –– Œ…Ž’ ˜˜˜˜˜˜˜˜˜˜˜˜˙ˆ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜ˇˆ˜˜˜˜˜˜˜˜˜‰Asia-Pacific: Tel: +886-2 2562-4117 Ł Email: asiacus@bourns .comEMEA: Tel: +36 88 885 877 Ł Email: eurocus@bourns .comThe Americas: Tel: +1-951 781-5500 Ł Email: americus@bourns .comwww.bourns.com REV. 10/20HardwareLOCKWASHER H-37-2 NUT H-38-2FLAT WASHER 35200-07953 SOLDER LUG WASHER H-127 16.0(.630)13.57(.534)26.0 ± 0.13(1.024 ± .005)12.75 ± 0.13(.502 ± .005)2.47(.097)1.83(.072)0.86(.034)2.86(.113)4.35(.171)1.60(.063)2.24(.088)SOLDER LUGWASHER0.65 ± 0.05(.026 ± .002)DIA.9.75 ± 0.13(.384 ± .005)DIA.1.0(.039)R135 °1.60(.063)R0.15(.006)R2 PLCS.0.80(.031)R15.75 ± 0.13(.620 ± 0.005)DIA.1.0(.039)R3.16(.124)3.00(.118)5.70(.224)0.5(.020)R0.5(.020)R3/8-32 NEF-2B9.58 / 9.93(.377 / .391)14.66 +0.00/-0.43(.577 +.000/-.017)12.52 / 12.88(.493 / .507)0.56(.022)REF.LOCKWASHERHEX NUT2.36(.093)30 ° ± 5 °FLAT WASHER0.81 ± 0.08(.032 ± .003)DIA.10.41(.410)DIA.14.43(.568)16.0(.630)13.57(.534)26.0 ± 0.13(1.024 ± .005)12.75 ± 0.13(.502 ± .005)2.47(.097)1.83(.072)0.86(.034)2.86(.113)4.35(.171)1.60(.063)2.24(.088)SOLDER LUGWASHER0.65 ± 0.05(.026 ± .002)DIA.9.75 ± 0.13(.384 ± .005)DIA.1.0(.039)R135 °1.60(.063)R0.15(.006)R2 PLCS.0.80(.031)R15.75 ± 0.13(.620 ± 0.005)DIA.1.0(.039)R3.16(.124)3.00(.118)5.70(.224)0.5(.020)R0.5(.020)R3/8-32 NEF-2B9.58 / 9.93(.377 / .391)14.66 +0.00/-0.43(.577 +.000/-.017)12.52 / 12.88(.493 / .507)0.56(.022)REF.LOCKWASHERHEX NUT2.36(.093)30 ° ± 5 °FLAT WASHER0.81 ± 0.08(.032 ± .003)DIA.10.41(.410)DIA.14.43(.568)—–’…‡… –– Œ…Ž’ Date Code Description YY = LAST TWO DIGITS OF YEAR MANUFACTURED WW = WEEK NUMBER M = COUNTRY OF MANUFACTURE (MEXICO)YYWWMLegal Disclaimer NoticeThis legal disclaimer applies to purchasers and users of Bourns ® products manufactured by or on behalf of Bourns, Inc. and Unless otherwise expressly indicated in writing, Bourns ® products and data sheets relating thereto are subject to change and complete before placing orders for Bourns ® products. The characteristics and parameters of a Bourns ® product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on Bourns™ knowledge of typical requirements in generic applications. The characteristics and parameters of a Bourns ® ® product with other components ® the actual performance of the Bourns ® ® product as meeting the requirements of a particular industry ® of Bourns ® products are responsible for ensuring compliance with safety-related requirements and standards applicable to Bourns ® on a case-by-case basis, use of any Bourns ® ® ® ® ® Bourns ® ® standard products that are suitable for use in aircraft ® standard the user™s sole risk. ® custom products shall be negotiated on a case-by-case basis by Bourns and the user for which such Bourns ® ® standard products shall also apply to such Bourns ® custom products. Users shall not sell, transfer, export or re-export any Bourns ® Bourns ® ® products and Bourns technology and technical data may not under any circumstance be exported or re-exported to countries subject to international sanctions or embargoes. Bourns ® products may not, without bilingual versions are available at:Web Page: http://www.bourns.com/legal/disclaimers-terms-and-policies PDF: http://www.bourns.com/docs/Legal/disclaimer.pdf
updated: 2021-08-05 17:14:16