51AAA-C28-A18 Bourns Inc., 51AAA-C28-A18 Datasheet

Panel Mount Potentiometers 1/2 50K 10% Linear Cermet

51AAA-C28-A18

Manufacturer Part Number
51AAA-C28-A18
Description
Panel Mount Potentiometers 1/2 50K 10% Linear Cermet
Manufacturer
Bourns Inc.
Type
Potentiometerr
Datasheet

Specifications of 51AAA-C28-A18

Resistance
50kohm
Power Rating
1W
Tolerance (+ Or -)
10%
Number Of Turns
1Turn
Technology
Cermet
Mounting Style
Panel
Termination Style
Pin
Operating Temp Range
1C to 125C
Failure Rate
Not Required
Shaft Diameter (mm)
6.35mm
Product Diameter (mm)
Not Requiredmm
Product Length (mm)
31.12mm
Product Height (mm)
13.25mm
Product Depth (mm)
12.5mm
Temperature Coefficient
±150
Tolerance
10 %
Taper
Linear
Element Type
Cermet
Shaft Type
Flatted / D
Shaft Length
7/8 in
Shaft Diameter
1/4 in
Operating Temperature Range
+ 1 C to + 125 C
Product
Panel Mount Potentiometers
Lead Free Status / RoHS Status
Not Compliant
Standard Resistance Range
Total Resistance Tolerance
Independent Linearity .................................................................................±5 % ...................................................... ±5 %
Absolute Minimum Resistance ...................................................................2 ohms maximum .................................. 2 ohms maximum
Effective Electrical Angle ............................................................................270 ° ±5 ° .............................................. 270 ° ±5 °
Contact Resistance Variation .....................................................................2 % ........................................................ 2 %
Dielectric Withstanding Voltage (MIL-STD-202 – Method 301)
Insulation Resistance .................................................................................1,000 megohms minimum ..................... 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)
Theoretical Resolution ................................................................................Essentially infi nite .................................. Essentially infi nite
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 Coeffi cient Over Storage Temperature Range ......................±1,000 ppm/°C ...................................... ±150 ppm/°C
Vibration (Single Section) ...........................................................................15 G ....................................................... 15 G
Shock (Single Section) ...............................................................................30 G ....................................................... 30 G
Load Life .....................................................................................................1,000 hours ........................................... 1,000 hours
Rotational Life (No Load) ............................................................................50,000 cycles ........................................ 25,000 cycles
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
IP Rating .....................................................................................................IP 64 ...................................................... IP 64
Stop Strength ............................................................................................................................................................................................... 56 N-cm (5 lb.-in.)
Mechanical Angle ...................................................................................................................................................................................................... 290 ° ±5 °
Torque
Weight (Single Section).............................................................................................................................................................................................. 5.5 grams
Terminals ................................................................................................................................................................................................... PC pin or solder lug
Marking .................................................................................................................. Manufacturer’s trademark, part number, resistance value and date code.
Ganging (Multiple Section Potentiometers) ....................................................................................................................................................6 cups maximum
Hardware ...........................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
1
At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Electrical Characteristics
Environmental Characteristics
Mechanical Characteristics
Linear ...................................................................................................1 K ohms to 1 megohm ......................... 150 ohms to 1 megohm
Audio ....................................................................................................1 K ohms to 1 megohm ......................... 1 K ohms to 1 megohm
Linear Tapers ........................................................................................±10 % or ±20 % .................................... ±10 % or ±5 %
Audio Tapers ........................................................................................±10 % or ±20 % .................................... ±10 %
Sea Level ..............................................................................................1,500 VAC minimum .............................. 1,500 VAC minimum
70,000 ..................................................................................................500 VAC minimum ................................. 500 VAC minimum
Linear Tapers ........................................................................................0.5 watt .................................................. 1.0 watt
Audio Tapers ........................................................................................0.25 watt ................................................ 0.5 watt
Total Resistance Shift ...........................................................................±2 % maximum ..................................... ±2 % maximum
Voltage Ratio Shift ................................................................................±5 % maximum ..................................... ±5 % maximum
Total Resistance Shift ...........................................................................+2 % maximum ..................................... ±2 % maximum
Voltage Ratio Shift ................................................................................±5 % maximum ..................................... ±5 % maximum
Total Resistance Shift ...........................................................................±10 % TRS maximum ........................... ±5 % TRS maximum
Total Resistance Shift ...........................................................................±10 % TRS maximum ........................... ±10 % TRS maximum
Contact Resistance Variation @ 25,000 Cycles ...................................±2 % ...................................................... ±4 %
Total Resistance Shift ...........................................................................±10 % TRS ............................................ ±5 % TRS
Starting (All Sections) ........................................................................................................................Running torque +0.35 N-cm (+0.5 oz.-in.) maximum
Running (Single Section) ............................................................................................................................................. 0.15 to 1.4 N-cm (0.2 to 2.0 oz.-in.)
Running (Dual or Triple Section) .................................................................................................................................. 0.35 to 1.8 N-cm (0.5 to 2.5 oz.-in.)
Mounting (Torque on Bushing) .......................................................................................................................... 1.7 to 2.0 N-m (15 to 18 lb.-in.) maximum
(Each Additional Section) .................................................................................................................................................................................... 3.0 grams
Soldering Condition .................................................................. Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.
1
1
Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean fl ux.
Features
51/53 - Sealed 1/2 ” (12.5 mm) Square Control
RoHS compliant*
Conductive plastic or cermet
Linear and audio tapers
PC board and bushing mount
Gangable
Metal bushing and shaft
Sealed for board washing
Part can be wave soldered at 260 °C (500 °F) for 5 seconds, no wash process with no clean fl ux.
Conductive Plastic
Customers should verify actual device performance in their specifi c applications.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifi cations are subject to change without notice.
Cermet

Related parts for 51AAA-C28-A18

51AAA-C28-A18 Summary of contents

Page 1

Electrical Characteristics Standard Resistance Range Linear ...................................................................................................1 K ohms to 1 megohm ......................... 150 ohms to 1 megohm Audio ....................................................................................................1 K ohms to 1 megohm ......................... 1 K ohms to 1 megohm Total Resistance Tolerance Linear Tapers ........................................................................................±10 % ...

Page 2

Sealed 1/2 ” (12.5 mm) Square Control Product Dimensions PACKAGE DIMENSIONS 24.15 ± 0.33 (.950 ± .021) 16.51 ± 0.25 (.650 ± .010) 8.89 ± 0.18 (.350 ± .007) .64 "L" ( .025) 0.30 (.0118) 5.08 ± 0.30 ...

Page 3

Sealed 1/2 ” (12.5 mm) Square Control Shaft/Bushing Styles A Style Bushing 9.53 (.375) STD. LENGTH ‘L’ 1.60 ± 0.25 .500 OPT. (.063 ± .010) .625 .750 .875 1.194 ± 0.10 OPT. 1.000 (.047 ± .004) 3/8-32UNEF-2A 6.35 ...

Related keywords