MODEL 66
3/8” Square
Multiturn
Cermet Trimming
Potentiometer
ELECTRICAL
1
Standard Resistance Range, Ohms
Standard Resistance Tolerance
Input Voltage, Maximum
Slider Current, Maximum
Power Rating, Watts
End Resistance, Maximum
Actual Electrical Travel, Turns, Nominal
Dielectric Strength
Insulation Resistance, Minimum
Resolution
Contact Resistance Variation, Maximum
ENVIRONMENTAL
10 to 2Meg
±10% (<100 Ohms = ±20%)
200 Vdc or rms not to exceed power rating
100mA or within rated power, whichever is less
0.5 at 70°C derating to 0 at 125°C
2 Ohms
20
1,000 Vrms
1,000 Megohms
Essentially infinite
1% or 1 Ohm, whichever is greater
Seal
Temperature Coefficient, Maximum
Operating Temperature Range
Thermal Shock
Moisture Resistance
Shock, 6ms Sawtooth
Vibration
High Temperature Exposure
Rotational Life
Load Life at 0.5 Watts
Resistance to Solder Heat
MECHANICAL
85°C Fluorinert® (No Leaks)
±100ppm/°C
–65°C to +150°C
5 cycles, –65°C to +150°C (1%
∆RT,
1%
∆VR)
Ten 24 hour cycles (1%
∆RT,
IR 1,000 Megohms min.)
100G’s (1%
∆RT,
1%
∆VR)
20G’s, 10 to 2,000 Hz (1%
∆RT,
1%
∆VR)
250 hours at 125°C (2%
∆RT,
2%
∆VR)
200 cycles (3%
∆RT)
1,000 hours at 70°C (2%
∆RT)
260°C for 10 sec. (1%
∆RT)
Mechanical Stops
Torque, Starting Maximum
Weight, Nominal
Fluorinert® is a registered trademark of 3M Company.
Specifications subject to change without notice.
Clutch Action, both ends
5 oz.-in. (0.035 N-m)
.04 oz. (1.13 grams)
1-39
Model 66
TOP ADJUSTMENT (Inch/mm)
Model 66W
.375
±
.015
9.525
±
0.381
.20
Max.
5.08
Schematic Diagram
This Surface
.062
±
.015
1.575
±
0.381
.145
3.683
Metal Adjustment Screw
.090
±
.005
Dia. With
2.286
±
0.127
.020
Wide x .025 Min. Depth
0.51
0.635
.060
±
.015
1.524
±
0.38
Standard Marking This Surface
.41
10.41
.015
±
.005
0.38
±
0.13
Terminal Pins (3)
Solderable
.021
±
.003
Dia.
0.533
±
0.076
.10
2.54
.187
±
.015
4.75
±
0.38
.18
Min.
4.57
(3)
(2)
(1)
.10
2.54
0.05
Typ.
1.25
.100
±
.015
2.540
±
0.381
SIDE ADJUSTMENT (Inch/mm)
Model 66P
.203
Max.
5.156
.158
4.01
.18
Min.
4.57
.03
Max.
0.76
Meniscus
(Typ)
Solderable
Terminal Pins (3)
.021
±
.003
Dia.
0.533
±
0.076
.010
Min.
0.254
.187
±
.015
4.750
±
0.381
.062
±
.015
1.575
±
0.381
(2)
(1)
(3)
.375
±
.015
9.525
±
0.381
.10
2.54
.10
2.54
.375
±
.015
9.525
±
0.381
.187
±
.015
4.750
±
0.381
.10
2.54
Standoff,
.062
±
.015
1.575
±
0.381
Metal Adjustment Screw
.090
±
.005/2.286
±
0.127 Dia. With
.020
±
.005/0.508
±
0.127 Wide x
.025
±
.005/0.635
±
0.127 Min. Depth
1-40
Model 66
SIDE ADJUSTMENT (Inch/mm)
1
Model 66X
.145
3.683
.375
±
.015
9.525
±
0.381
.20 Max.
5.08
Schematic Diagram
This Surface
.062
±
.015
1.575
±
0.381
Standard Marking This Surface
Metal Adjustment Screw
.015
±
.005
.090
0.38
±
0.13
Dia. With
2.29
.025
.020
Wide x
Min. Depth
0.64
0.51
.18
Min.
4.57
(3)
.10
2.54
.10
2.54
(2)
(1)
.41
10.41
Terminal Pins (3)
Solderable
.021
±
.003
Dia.
0.533
±
0.076
.187
±
.015
4.75
±
0.38
.062
±
.015
1.575
±
0.381
.100
±
.015
2.540
±
0.381
STANDARD RESISTANCE VALUES, OHMS
10
20
50
100
200
500
1K
2K
5K
10K
20K
25K
50K
100K
200K
250K
500
1Meg
2Meg
1-41
Model 66
PACKAGING
Standard:
Boxes
Capacity
Option:
=
=
100 Units (66W)
50 Units (All other styles)
Tubes
All units oriented with #1 pin to same side.
Pin Style
Width
Height
Length
Capacity
P
0.57”
0.66”
20.9”
50 Units
W
0.28”
0.93”
20.6”
50 Units
X
0.28”
0.93”
24.4”
50 Units
Magazine
=
=
=
=
Option:
Tape & Reel, Ammo Pack (Available only for 66X and 66W)
All units oriented with #1 pin to the right of the direction of feed.
Seat Plane to
Centerline of
Sprocket Hole
Width
Sprocket
Capacity
Diameter
Tape Fold
Box
Tape
Reel
Ammo
=
=
=
=
=
=
=
.71” (18 mm)
18 mm
Single Hole .50” spacing
1,000 Units
14” (363 mm)
12” (305 mm)
1.8” x 13” x 10”
(46mm x 330mm x 254mm)
1-42
Model 66
ORDERING INFORMATION
1
66 P R 10K LF
Model Series
Pin Style
Option:
Pin Style
66 W R 10K LF TB
Packaging Option:
TB = Tubes
(Pin styles P, W, X)
66 W F R 10K LF TR
Option:
Pin Style
Pin Style Suffix:
(Used with AP and TR packaging options.
Applicable to pin styles W & X only.
"F" designates 0.70" lead length.)
Packaging Option:
AP = Ammo pack
TR = Tape & Reel
(Pin styles W, X only)
RoHS Compliant Product Code - Optional
Resistance Value
Resistance Prefix
Standard:
CIRCUIT DIAGRAM
NOTES
Metric equivalents, based on 1 inch = 25.4mm are
rounded to the same number of significant figures
as in the original English units and are provided for
general information only.
Tolerances unless otherwise specified:
Linear = ± .01 inches (.25mm)
Angular = ± 2 degrees
(2)
(1)
CW
(3)
INCH
mm
1-43
Model 66
