NT
Features
n
Lower profile than Model 6639
n
Essentially infinite resolution
n
Excellent rotational life
n
High quality, rugged construction
n
Recommended for HMI applications
F
RE
E
PL
IA
C
OM
n
Optional anti-rotation lug
n
Optional mechanical stop
*R
oH
S
n
Cost and space saving
LE
AD
6630 - Precision Potentiometer
Product Dimensions
Electrical Characteristics
1
Standard Resistance Range....................................................................................... 1K to 20K ohms
Total Resistance Tolerance..........................................................................................................±15 %
Independent Linearity .................................................................................................................±2.0 %
Effective Electrical Angle .......................................................................................................340 ° +3 °
End Voltage ................................................................................................................. 0.5 % maximum
Output Smoothness ......................................................................................................................0.1 %
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level .......................................................................................................... 750 VAC minimum
Power Rating (Voltage Limited By Power Dissipation or 300 VAC, Whichever is Less)
+70 °C ................................................................................................................................ 1.0 watt
+125 °C ................................................................................................................................. 0 watt
Insulation Resistance (500 VDC) ..................................................................... 10 megohms minimum
Resolution................................................................................................................. Essentially infinite
Operating Temperature Range ................................................................................. -40 °C to +125 °C
Storage Temperature Range .................................................................................... -65 °C to +125 °C
Temperature Coefficient .................................................................................. ±500 ppm/°C maximum
Vibration ........................................................................................................................................ 15 G
Wiper Bounce ......................................................................................... 0.1 millisecond maximum
Total Resistance Shift ..............................................................................................................±5 %
Voltage Ratio Shift ................................................................................................................±0.5 %
Shock............................................................................................................................................. 50 G
Wiper Bounce ......................................................................................... 0.1 millisecond maximum
Total Resistance Shift ..............................................................................................................±5 %
Voltage Ratio Shift ................................................................................................................±0.5 %
Load Life ................................................................................................................. 1,000 hours, 1 watt
Total Resistance Shift ............................................................................................................±10 %
Rotational Life (No Load)............................................................................5,000,000 shaft revolutions
Total Resistance Shift ........................................................................................... ±10 % maximum
Moisture Resistance (MIL-STD-202, Method 106)
Total Resistance Shift ............................................................................................................±15 %
IP Rating ........................................................................................................................................IP 40
Moisture Sensitivity Level ....................................................................................................................1
ESD Classification (HBM)................................................................................................................ N/A
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
Axial Leaded
9.73 ± 0.38
(.383 ± .015)
9.65 ± 0.50
(.380 ± .020)
3 PLCS.
2.79
(.110)
MOUNTING SURFACE
22.23 ± 0.79
(.875 ± .031)
1.57 ± 0.05
(.062 ± .002)
9.53 ± 0.38
(.375 ± .015)
SLOT
1.19
1.60 ± 0.25
X
(.047) (.063 ± .010)
DIA.
6.342+.000/-.013
(.2497+.0000/-.0005)
CHAMFER
0.64
X 30 ° ± 10 °
(.025)
3/8 " - 32 UNEF- 2A-THD.
Environmental Characteristics
1
3
2
1
R
0.66
TYP.
(.026)
5.08 ± 0.38
TYP.
(.200 ± .015)
22.23 ± 0.38
DIA.
(.875 ± .015)
5.87 ± 0.38
(.231 ± .015)
OPTIONAL
ANTI-ROTATIONAL PIN
1.587 ± .025 X 1.143
DIA.
(.0625 ± .0010 X .045)
FROM MOUNTING
SURFACE ON
7.93
RADIUS
(.312)
0.51
(.020)
Radial Leaded
Mechanical Angle .......................................................... Continuous, Stops (340 ° +8 °, -0 °) available
Torque (Starting & Running)
2
................................................................... 0.40 N-cm (0.5 oz.-in.) max.
Mounting............................................................................ 170-200 N-cm (15-18 lb.-in.) maximum
Shaft Runout................................................................................................. 0.13 mm (0.005 in.) T.I.R.
Shaft End Play .............................................................................................. 0.13 mm (0.005 in.) T.I.R.
Shaft Radial Play .......................................................................................... 0.13 mm (0.005 in.) T.I.R.
Backlash ........................................................................................................................0.1 º maximum
Weight ........................................................18 gm (6539 Servo Mount), 24 gm (6639 Bushing Mount)
Terminals ....................................................................................................Axial and radial solder lugs
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.
Marking ..................................................Manufacturer’s name and part number, resistance value and
tolerance, linearity tolerance, wiring diagram, and date code.
Ganging (Multiple Section Pots) .................................................................................. 1 cup maximum
Hardware .................................................... One lockwasher (H-37-2) and one mounting nut (H-38-2)
is shipped with potentiometer.
1
At room ambient: +25 °C nominal and 50 % relative humidity, except as noted.
2
2.82 N-cm (4.0 oz.-in.) max. at -40 °C.
Mechanical Characteristics
1
14.78 ± 1.00
(.582 ± .040)
1.70 ± 0.38
(.067 ± .015)
5.08 ± .25
TYP.
(.200 ± .010)
2.79
(.110)
3 PLCS.
Flatted Shaft
6.35
DIA.
(.250)
R
0.38
MAX.
(.015)
DIA.
6.342+.000/-.013
(.2497+.0000/-.0005)
9.65 ± 0.25
(.380 ± .010)
5.54 +0.00/-0.25
(.218 +.000/-.010)
CHAMFER
0.64
X 30 ° ± 10 °
(.025)
MM
DIMENSIONS:
(INCHES)
2
CCW
WIPER
1
CLOCKWISE
3
CW
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
2.46 - 3.81
(.097 - .150)
PANEL
2.46 - 3.81
(.097 - .150)
HEX NUT
6630 - Precision Potentiometer
HEX NUT
PANEL
Panel Thickness Dimensions
LOCKWASHER
POT
2.46 - 3.81
(.097 - .150)
LOCKWASHER
ADDITIONAL HOLE FOR
ANTIROTATION PIN
1.78 +.07/-.02
DIA.
(.070 +.003/-.001)
R
7.93
(.312)
POT
PANEL
HEX NUT
10.41 ± .07
DIA.
(.410 ± .003)
Anti-rotation pin hole is shown at six o'clock
position for reference only. The actual location is
determined by the customer's application. Refer
to the front view of the potentiometer to see the
10.41 ± .07
location of the optional A/R pin.
DIA.
(.410 ± .003)
ADDITIONAL HOLE FOR
ANTIROTATION PIN
1.78 +.07/-.02
DIA.
(.070 +.003/-.001)
LOCKWASHER
7.93
R
(.312)
POT
Panel thickness and hole diameters are
recommended for best fit. However, customers
Anti-rotation pin hole is shown at six o'clock
may adjust the dimensions to suit their specific
position for reference only. The actual location is
application.
determined by the customer's application. Refer
to the front view of the potentiometer to see the
0.127
TOLERANCES: ±
DIMENSIONS: MM
location of the optional A/R pin.
(.005)
(INCHES)
Panel thickness and hole diameters are
recommended for best fit. However, customers
may adjust the dimensions to
10.41 ±
their specific
suit
.07
DIA.
application.
(.410 ± .003)
DIMENSIONS:
MM
(INCHES)
TOLERANCES: ±
ADDITIONAL HOLE FOR
ANTIROTATION PIN
1.78 +.07/-.02
DIA.
(.070 +.003/-.001)
R
7.93
(.312)
Anti-rotation pin hole is shown at six o'clock
position for reference only. The actual location is
determined by the customer's application. Refer
to the front view of the potentiometer to see the
location of the optional A/R pin.
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)
0.127
(.005)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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