84A3B-B20-J08L datasheet, PDF - EEWORLD Datasheet

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84A3B-B20-J08L: Description83/84 - 5/8 Square 10-Turn; File Size268KB，4 Pages; ManufacturerBourns; Websitehttp://www.bourns.com

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84A3B-B20-J08L Overview

83/84 - 5/8 Square 10-Turn

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VE S CO

AV R M

AI SIO PL

LA N IA

BL S NT

Features

■

Compatible with other members of the

Model 80 Series

The only 10-turn precision potentiometer

in a modular panel control package

Up to 2 sections available

83/84 - 5/8 ” Square 10-Turn

Initial Electrical Characteristics

Wirewound Element (J Taper)

Hybriton

Element (K Taper)

Standard Resistance Range ...................................................................200 to 100 K ohms ......................................1 K to 100 K ohms

Total Resistance Tolerance .....................................................................±5 %............................................................±10 %

Independent Linearity .............................................................................±0.25 %.......................................................±0.25 %

Absolute Minimum Resistance (J Taper) ................................................1.0 ohm or 0.1 % (whichever is greater) .....–

Effective Electrical Angle ........................................................................3600 ° +10 °, -0 °.........................................3600 ° +10 °, -0 °

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

Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)

+70 °C ...............................................................................................1 watt...........................................................1 watts

+125 °C ..............................................................................................0 watt...........................................................0 watt

Theoretical Resolution ............................................................................See table .....................................................Essentially infinite

End Voltage (K Taper) .............................................................................–...................................................................0.2 % of applied voltage

Noise (J Taper) ........................................................................................100 ohms ENR maximum............................–

Output Smoothness (K Taper) ................................................................–...................................................................0.15 % maximum

Environmental Characteristics

Operating Temperature Range ...............................................................+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...................±50 ppm/°C.................................................±100 ppm/°C

Vibration..................................................................................................15 G.............................................................15 G

Total Resistance Shift.........................................................................±2 %............................................................±2 %

Voltage Ratio Shift..............................................................................±0.2 %.........................................................±0.2 %

Wiper Bounce.....................................................................................0.1 millisecond maximum............................0.1 millisecond maximum

Shock......................................................................................................50 G.............................................................50 G

Total Resistance Shift.........................................................................±2 %............................................................±2 %

Voltage Ratio Shift..............................................................................±0.2 %.........................................................±0.2 %

Wiper Bounce.....................................................................................0.1 millisecond maximum............................0.1 millisecond maximum

Load Life.................................................................................................1,000 hours .................................................1,000 hours

Total Resistance Shift.........................................................................±2 % maximum ...........................................±5 % maximum

Rotational Life (No Load) ........................................................................1,000,000 shaft revolutions .........................4,000,000 shaft revolutions

Total Resistance Shift.........................................................................±5 % maximum ..........................................±5 % maximum

Moisture Resistance (MIL-STD-202, Method 103, Condition B)

Total Resistance Shift.........................................................................±2 % maximum ...........................................±5 % maximum

Insulation Resistance (500 VDC) ........................................................100 megohms minimum..............................100 megohms minimum

IP Rating .................................................................................................IP 40 ............................................................IP 40

Mechanical Characteristics

Stop Strength ......................................................................................................................................................................33.90 N-cm (48.0 oz.-in.) minimum

Mechanical Angle ............................................................................................................................................................................................3600 ° +15 °, -0 °

Torque

Starting ................................................................................................................................................Running torque plus 0.7 N-cm (1.0 oz.-in.) maximum

Running (1 or 2 Section)..............................................................................................................................................0.18 to 1.41 N-cm (0.25 to 2.0 oz.-in.)

Mounting (Torque on Bushing) ......................................................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum

Shaft Runout ........................................................................................................................................................................................0.15 mm (0.006 in.) T.I.R.

Shaft End Play......................................................................................................................................................................................0.36 mm (0.014 in.) T.I.R.

Shaft Radial Play..................................................................................................................................................................................0.13 mm (0.005 in.) T.I.R.

Weight (Single Section) ......................................................................................................................................................................................21 gm (0.75 oz.)

(Each Additional Section) ..............................................................................................................................................................................18 gm (0.65 oz.)

Terminals ........................................................................................................................................................................Printed circuit terminals or solder lugs

Soldering Condition ......................................................................Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.

Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux

Marking ..........................................................................Manufacturer’s trademark, wiring diagram, date code and resistance, manufacturer’s part number

Ganging (Multiple Section Potentiometers) ......................................................................................................................................................2 cup maximum

Hardware ............................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.

NOTE: MODEL 83/84 PERFORMANCE SPECIFICATIONS DO NOT APPLY TO UNITS SUBJECTED TO PRINTED CIRCUIT BOARD CLEANING PROCEDURES.

AT ROOM AMBIENT: +25 °C NOMINAL AND 50 % RELATIVE HUMIDITY NOMINAL, EXCEPT AS NOTED.

*RoHS Directive 2002/95/EC Jan 27 2003 including Annex

Specifications are subject to change without notice.

Customers should verify actual device performance in their specific applications.

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