Model 6674 is currently available,
although not recommended for new
designs. Model 6657 is preferred.
Features
■ 51 mm (2 ”) diameter, single-turn
conductive plastic
■ Excellent resolution
■ High rotational life
■ Bushing mount
■ Non-standard features and
specifications available
■ Gangable up to 10 cups
■ 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.ꢁ2 ꢀ
Effective Electrical Angle.......................................................................................................320 ° ꢁ °
End Voltage ...............................................0.1 ꢀ maximum (0.ꢁ ꢀ at ꢁ 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 320 VAC, Whichever is Less)
+70 °C....................................................................................................................................ꢁ watts
+1ꢁ2 °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)
SLOT
1.19
(.047)
1.60
WIDE X
DEEP
9.53 ± .40
(3/8 ± 1/64)
(.063)
.38
X 45 ° ± 10 °
(.015)
CHAMFER
50.8
(2.00)
10.317+.000/-.051
(.4062+.000/-.002)
Environmental Characteristics1
6.342+.000/-.008
3/8 "-32
UNEF
15.24 ± .79
(.600 ± .031)
(.2497+.0000/-.0003)
Operating Temperature Range...................................................................................+1 °C to +1ꢁ2 °C
Storage Temperature Range.....................................................................................-62 °C to +1ꢁ2 °C
Temperature Coefficient Over Storage Temperature Range................................................. 2 ꢀ TRS
Vibration .........................................................................................................................................12 G
Wiper Bounce...........................................................................................0.1 millisecond maximum
Total Resistance Shift .............................................................................................. ꢁ ꢀ maximum
Shock .............................................................................................................................................60 G
Wiper Bounce...........................................................................................0.1 millisecond maximum
Load Life............................................................................................................1,000 hours, 1.2 watts
Total Resistance Shift ............................................................................................ 10 ꢀ maximum
Rotational Life (No Load) .........................................................................ꢁ2,000,000 shaft revolutions
Total Resistance Shift ............................................................................................ 10 ꢀ maximum
Moisture Resistance (MIL-STD-ꢁ0ꢁ, Method 106)
DIA. SHAFT
5.08
(.20)
ADD
FOR EACH ADDITIONAL CUP.
15 °
15 °
± 3 °
± 3 °
1
3
2
90 ° MAX.
29.59
(1.165)
MAX.
Total Resistance Shift ............................................................................................ 10 ꢀ maximum
IP Rating........................................................................................................................................IP 40
Mechanical Characteristics1
19.05 ± .13
Mechanical Angle ................................................................................................................Continuous
Torque (Starting & Running)............................................................0.23 N-cm (0.72 oz.-in.) maximum
Mounting................................................................................14-16 N-cm (ꢁ0-ꢁ3 oz.-in.) maximum
Shaft Runout................................................................................................0.0ꢁ2 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....................Recommended hand soldering using Sn92/Ag2 no clean solder,
0.0ꢁ2 ” wire diameter. Maximum temperature 399 °C (720 °F) for 3 seconds.
(.780 ± .005)
OPTIONAL
A/R PIN
TOLERANCES: EXCEPT WHERE NOTED
.51
(.020),
.13
(.005)
DECIMALS: .XX ±
.XXX
FRACTIONS: ±1/64
MM.
(IN.)
DIMENSIONS:
No wash process to be used with no clean flux.
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-ꢁ) and one mounting nut (H-38-ꢁ)
is shipped with each potentiometer.
WIPER
2
CW
CCW
3
1
1 At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
CLOCKWISE
Recommended Part Numbers
Resistance
Part Number*
(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.
REV. 06/06
*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.