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6674_11 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Precision Potentiometer | |||
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*RoHS COMPLIANT
Features
â 51 mm (2 â) diameter, single-turn
conductive plastic
â Excellent resolution
â High rotational life
â Bushing mount
â Gangable up to 10 cups
â Non-standard features and speciï¬cations
available
â Ball bearings
6674 - Precision Potentiometer
Electrical Characteristics1
Standard Resistance Range....................................................................................1 K to 100 K ohms
Total Resistance Tolerance......................................................................................................... ±10 %
Independent Linearity .............................................................................................................. ±0.25 %
Effective Electrical Angle .......................................................................................................350 ° ±2 °
End Voltage ................................................ 0.1 % maximum (0.2 % at 2 K ohms, 0.4 % at 1 K ohms)
Output Smoothness..................................................................................................................... 0.1 %
Dielectric Strength (VRMS)
Sea Level..........................................................................................................1,000 VAC minimum
Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever is Less)
+70 °C.................................................................................................................................... 2 watts
+125 °C....................................................................................................................................0 watt
Insulation Resistance (300 VDC) ................................................................ 1,000 megohms minimum
Resolution.................................................................................................................Essentially inï¬nite
Environmental Characteristics1
Operating Temperature Range ................................................................................. -40 °C to +125 °C
Storage Temperature Range .................................................................................... -65 °C to +125 °C
Temperature Coefï¬cient Over Storage Temperature Range ................................................ ±5 % TRS
Vibration ........................................................................................................................................15 G
Wiper Bounce ........................................................................................... 0.1 millisecond maximum
Total Resistance Shift ...............................................................................................±2 % maximum
Shock 60 G
Wiper Bounce ........................................................................................... 0.1 millisecond maximum
Load Life............................................................................................................ 1,000 hours, 1.5 watts
Total Resistance Shift .............................................................................................±10 % maximum
Rotational Life (No Load)......................................................................... 25,000,000 shaft revolutions
Total Resistance Shift .............................................................................................±10 % maximum
Moisture Resistance (MIL-STD-202, Method 106)
Total Resistance Shift .............................................................................................±10 % maximum
IP Rating....................................................................................................................................... IP 40
Mechanical Characteristics1
Mechanical Angle ............................................................................................................... Continuous
Torque (Starting & Running) ........................................................... 0.53 N-cm (0.75 oz.-in.) maximum
Mounting .................................................................................14-16 N-cm (20-23 oz.-in.) maximum
Shaft Runout...............................................................................................0.025 mm (0.001 in.) T.I.R.
Shaft End Play..............................................................................................0.08 mm (0.003 in.) T.I.R.
Shaft Radial Play ..........................................................................................0.10 mm (0.004 in.) T.I.R.
Backlash ....................................................................................................................... 0.1 ° maximum
Weight 90 gm
Terminals ........................................................................................................Side exit turret terminals
Soldering Condition
Manual Soldering.................................96.5Sn/3.0Ag/0.5Cu solid wire or no-clean rosin cored wire
370 °C (700 °F) max. for 3 seconds
Wave Soldering ........................................................ 96.5Sn/3.0Ag/0.5Cu solder with no-clean ï¬ux
260 °C (500 °F) max. for 5 seconds
Wash processes ..................................................................................................Not recommended
Marking.................................Manufacturerâs name and part number, resistance value and tolerance,
linearity tolerance, wiring diagram, and date code
Ganging (Multiple Section Potentiometers) ............................................................... 10 cup maximum
Hardware .................................................... One lockwasher (H-37-2) and one mounting nut (H-38-2)
is shipped with each potentiometer.
1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Product Dimensions
22.23 .79
(7/8 1/32)
6.35
(.25)
MIN.
9.53 .40
(3/8 1/64)
SLOT
1.19
(.047)
WIDE
X
1.60
(.063)
DEEP
.38
(.015)
X
45
10
CHAMFER
50.8
(2.00)
10.317+.000/-.051
(.4062+.000/-.002)
3/8 "-32
UNEF
6.342+.000/-.008
(.2497+.0000/-.0003)
DIA. SHAFT
15.24 .79
(.600 .031)
5.08
ADD (.20) FOR EACH ADDITIONAL CUP.
3
1
90 MAX.
15
15
3
3
2
29.59
(1.165)
MAX.
19.05 .13
(.780 .005)
OPTIONAL
A/R PIN
TOLERANCES: EXCEPT WHERE NOTED
DECIMALS: .XX
.51
(.020),
.XXX
.13
(.005)
FRACTIONS: 1/64
DIMENSIONS:
MM.
(IN.)
2 WIPER
CCW 1
CLOCKWISE
3 CW
Recommended Part Numbers
Part Number*
6674S-1-102
6674S-1-502
6674S-1-103
Resistance (Ω)
1,000
5,000
10,000
BOLDFACE LISTINGS ARE IN STOCK AND READILY
AVAILABLE THROUGH DISTRIBUTION.
FOR OTHER OPTIONS CONSULT FACTORY.
Speciï¬cations are subject to change without notice.
Customers should verify actual device performance in their speciï¬c applications.
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