6674

PL
IA
NT
Features
*R
oH
S
CO
M
■ 51 mm (2 ”) diameter, single-turn
■
■
■
■
conductive plastic
Excellent resolution
High rotational life
Bushing mount
Gangable up to 10 cups
■ Non-standard features and specifications
available
■ Ball bearings
6674 - Precision Potentiometer
Electrical Characteristics1
Product Dimensions
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 infinite
22.23 .79
(7/8 1/32)
6.35
MIN.
(.25)
9.53 .40
(3/8 1/64)
SLOT
1.19
WIDE X
(.047)
1.60
DEEP
(.063)
.38
X 45
10
(.015)
CHAMFER
50.8
(2.00)
10.317+.000/-.051
(.4062+.000/-.002)
6.342+.000/-.008
3/8 "-32
(.2497+.0000/-.0003)
UNEF
DIA. SHAFT
15.24 .79
(.600 .031)
Environmental Characteristics1
Operating Temperature Range ................................................................................. -40 °C to +125 °C
Storage Temperature Range .................................................................................... -65 °C to +125 °C
Temperature Coefficient 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
5.08
ADD (.20) FOR EACH ADDITIONAL CUP.
15
3
3
15
3
1
90
2
MAX.
29.59
MAX.
(1.165)
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 flux
260 °C (500 °F) max. for 5 seconds
Wash processes ..................................................................................................Not recommended
Marking .................................Manufacturer’s 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.
19.05 .13
(.780 .005)
OPTIONAL
A/R PIN
TOLERANCES: EXCEPT WHERE NOTED
.51
.13
DECIMALS: .XX
.XXX
(.020),
(.005)
FRACTIONS: 1/64
MM.
DIMENSIONS:
(IN.)
2
CCW
WIPER
3
1
CW
CLOCKWISE
1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Recommended Part Numbers
Part Number*
Resistance (Ω)
6674S-1-102
6674S-1-502
6674S-1-103
1,000
5,000
10,000
BOLDFACE LISTINGS ARE IN STOCK AND READILY
AVAILABLE THROUGH DISTRIBUTION.
FOR OTHER OPTIONS CONSULT FACTORY.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
6674 - Precision Potentiometer
Panel Thickness Dimensions
2.46 - 3.81
(.097 - .150)
PANEL
HEX NUT
10.44 ± .07
DIA.
(.411 ± .003)
LOCKWASHER
POT
Panel thickness and hole diameters are
recommended for best fit. However, customers
may adjust the dimensions to suit their specific
application.
DIMENSIONS:
MM
(INCHES)
TOLERANCES: ±
0.127
(.005)
REV. 10/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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