Model 66
3/8” Square
Multiturn
Cermet Trimming Potentiometer
ELECTRICAL
Standard Resistance Range
10 Ohms to 2 Megohms
Standard Resistance Tolerance
±10% (<100 Ohms = ±20%)
Input Voltage
200 Vdc Max. or rms not to exceed power rating
Slider Current
100 mA Max. or within rated power, whichever is less
Power Rating
0.5 Watts at 70°C derating to 0 at 125°C
End Resistance
2 Ohms Max.
Actual Electrical Travel
20 turns nominal
Dielectric Strength
1,000 Vrms
Insulation Resistance
1,000 Megohms Min.
Resolution
Essentially infinite
Contact Resistance Variation
1% or 1 Ohm Max., whichever is greater
ENVIRONMENTAL
Seal
85°C Fluorinert® (No Leaks)
Temperature Coefficient
±100 ppm/°C (<100 Ohms = ±250 ppm/°C)
Operating Temperature Range
–65°C to +150°C
Thermal Shock
Five cycles –65°C to +150°C (1% ∆RT, 1% ∆VR)
Moisture Resistance
Ten 24 hour cycles (1% ∆RT, IR 1,000 Megohms Min.)
Shock
6 ms sawtooth, 100 G’s (1% ∆RT, 1% ∆VR)
Vibration
20 G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR)
High Temperature Exposure
250 hours at 125°C (2% ∆RT, 2% ∆VR)
Rotational Life
200 cycles (3% ∆RT)
Load Life
1,000 hours at 70°C & 0.5 Watts (2% ∆RT)
Resistance to Solder Heat
260°C for 10 sec. (1% ∆RT)
MECHANICAL
Mechanical Stops
Clutch action, both ends
Torque, Starting
5 oz.-in. Max. (0.035 N-m)
Weight
0.04 oz. nominal (1.1 grams)
Specifications subject to change without notice.
Fluorinert® is a registered trademark of 3M Company.
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345
June 3, 2010
Website: www.bitechnologies.com
Model 66 page 1 of 3
Model 66
TOP ADJUSTMENT
SIDE ADJUSTMENT
Model 66W
Model 66X
.375 ± .015
9.525 ± 0.381
.145
3.683
.145
3.683
.20
Max.
5.08
.375 ± .015
9.525 ± 0.381 Schematic Diagram
Metal Adjustment Screw
This Surface
.090
Dia. With
2.29
.020
.025
Standard Marking
Wide x
Min. Depth
0.51
0.64
This Surface
.062 ± .015
Schematic Diagram 1.575 ± 0.381
This Surface
Metal Adjustment Screw
.090 ± .005
Dia. With
2.286 ± 0.127
.020
Wide x .025 Min. Depth
0.51
0.635
Standard Marking This Surface
.062 ± .015
1.575 ± 0.381
.060 ± .015
1.524 ± 0.38
.41
10.41
.18
Min.
4.57
.18
Min.
4.57
(3) (2) (1)
(3) (2) (1)
.10
2.54
.187 ± .015
4.75 ± 0.38
.10
2.54
.100 ± .015
2.540 ± 0.381
.062 ± .015
1.575 ± 0.381
.100 ± .015
2.540 ± 0.381
Terminal Pins (3)
Solderable
.021 ± .003
Dia.
0.533 ± 0.076
.187 ± .015
4.75 ± 0.38
.10
2.54
.10
2.54
0.05
Typ.
1.25
.41
10.41
.015 ± .005
0.38 ± 0.13
.015 ± .005
0.38 ± 0.13
Terminal Pins (3)
Solderable
.021 ± .003
Dia.
0.533 ± 0.076
.20 Max.
5.08
SIDE ADJUSTMENT
Model 66P
.375 ± .015
9.525 ± 0.381
.203
Max.
5.156
.18
Min.
4.57
.03
Max.
0.76
Meniscus
(Typ)
.158
4.01
.187 ± .015
4.750 ± 0.381
.062 ± .015
1.575 ± 0.381
.010
Min.
0.254
(1)
.062 ± .015
1.575 ± 0.381
.10
2.54
.10
2.54
(2)
Solderable
Terminal Pins (3)
.021 ± .003
Dia.
0.533 ± 0.076
Standoff,
(3)
.375 ± .015
9.525 ± 0.381
.187 ± .015
4.750 ± 0.381
.10
2.54
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
STANDARD RESISTANCE VALUES
10
100
1K
10K
50K
250K
20
200
2K
20K
100K
500K
50
500
5K
25K
200K
1Meg
BI Technologies Corporation
4200 Bonita Place, Fullerton, CA 92835 USA
Phone: 714 447 2345
June 3, 2010
Website: www.bitechnologies.com
Model 66 page 3 of 3
2Meg
