56AAD-C28-B15 Datasheet, PDF (1/4 Pages) Bourns Electronic Solutions – Sealed 1/2 (12.5 mm) Panel Control w/Rotary Switch

*RoHS ^COMPLIANT
Features
■ RoHS compliant*
■ CW or CCW rotary switch
■ Linear and audio tapers
■ PC board and bushing mount
■ Splash seal
■ Metal bushing and shaft
Applications
■ Test and measurement equipment
■ Avionics controls
■ Communications equipment
■ Medical laboratory equipment
56 - Sealed 1/2 ” (12.5 mm) Panel Control w/Rotary Switch
Electrical Characteristics¹
Standard Resistance Range
Linear ......................................................................................................................................................................................................1K to 500K ohms
Audio .......................................................................................................................................................................................................1K to 500K ohms
Total Resistance Tolerance
B & D Tapers ............................................................................................................................................................................................................ ±20 %
E & S Tapers............................................................................................................................................................................................................. ±10 %
Independent Linearity....................................................................................................................................................................................................... ±5 %
Absolute Minimum Resistance..................................................................................................................................................................... 2 ohms maximum
Effective Electrical Angle ............................................................................................................................................................................................. 240 ° ±5
Contact Resistance Variation ........................................................................................................................................................................................... ±2 %
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level............................................................................................................................................................................................ 1,500 VAC minimum
70,000 ................................................................................................................................................................................................... 500 VAC minimum
Insulation Resistance ...................................................................................................................................................................... 1,000 megohms minimum
Power Rating At 70 °C (Derate To 0 At 125 °C)
(Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)
Linear Tapers..........................................................................................................................................................................................................0.5 watt
Audio Tapers ........................................................................................................................................................................................................0.25 watt
Theoretical Resolution.................................................................................................................................................................................. Essentially infinite
Environmental Characteristics¹
Operating Temperature Range ...................................................................................................................................................................... +1 °C to +125 °C
Storage Temperature Range ........................................................................................................................................................................-55 °C to +125 °C
Temperature Coefficient Over Storage Temperature Range ............................................................................................................................ ±1,000 ppm/°C
Vibration .............................................................................................................................................................................................................................. 8 G
Total Resistance Shift................................................................................................................................................................................ ±2 % maximum
Voltage Ratio Shift..................................................................................................................................................................................... ±5 % maximum
Shock ................................................................................................................................................................................................................................ 20 G
Total Resistance Shift................................................................................................................................................................................ +2 % maximum
Voltage Ratio Shift..................................................................................................................................................................................... ±5 % maximum
Load Life.................................................................................................................................................................................................................1,000 hours
Total Resistance Shift...................................................................................................................................................................... ±10 % TRS maximum
Rotational Life (No Load).....................................................................................................................................................................................50,000 cycles
Total Resistance Shift...................................................................................................................................................................... ±10 % TRS maximum
Contact Resistance Variation ..................................................................................................................................................................................... ±2 %
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
B & E Taper....................................................................................................................................................................................................... ±10 % TRS
D & S Taper ...................................................................................................................................................................................................... ±20 % TRS
IP Rating
Entire Unit................................................................................................................................................................................................................... IP 64
Shaft/Bushing............................................................................................................................................................................................................. IP 65
Mechanical Characteristics
Stop Strength ............................................................................................................................................................................................... 56 N-cm (5 lb.-in.)
Mechanical Angle ...................................................................................................................................................................................................... 290 ° ±5 °
Torque
Running/Starting ........................................................................................................................................................ 0.2 to 1.3 N-cm (0.25 to 2.0 oz.-in.)
Mounting (Torque on Bushing) .......................................................................................................................... 1.7 to 2.0 N-m (15 to 18 lb.-in.) maximum
Weight ....................................................................................................................................................................................................................... 8.5 grams
Terminals ........................................................................................................................................................................................................................ PC pin
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.
Part can be wave soldered at 260 °C (500 °F) for 5 seconds, no wash process with no clean flux.
Marking.................................................................................................................. Manufacturer’s trademark, part number, resistance value and date code.
Ganging (Multiple Section Potentiometers).................................................................................... Inquire for availability, minimum order quantity and price.
Hardware ...........................................................................................................One lockwasher and one mounting nut is shipped with each potentiometer.
1_{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.