1
1-73 Model 84
ELECTRICAL
Standard Resistance Range, Ohms 10 to 1Meg
Standard Resistance Tolerance ±10%
Input Voltage, Maximum 200 Vdc or rms not to exceed power rating
Slider Current, Maximum 100mA or within rated power, whichever is less
Power Rating, Watts 0.25 at 85°C derating to 0 at 150°C
End Resistance, Maximum 2 Ohms
Actual Electrical Travel, Turns, Nominal 12
Dielectric Strength 900 Vrms
Insulation Resistance, Minimum 1,000 Megohms
Resolution Essentially infinite
Contact Resistance Variation, Maximum 1% or 1 Ohms, whichever is greater
ENVIRONMENTAL
Seal 85°C Fluorinert® (No Leaks)
Temperature Coefficient, Maximum ±100ppm/°C (<100 Ohms = ±250ppm/°C)
Operating Temperature Range –65°C to +150°C
Thermal Shock 5 cycles, –65°C to +150°C (1% ∆RT, 1% ∆VR)
Moisture Resistance Ten 24 hour cycles (1% ∆RT, IR 100 Megohms Min.)
Shock, 6ms Sawtooth 100G’s (1% ∆RT, 1% ∆VR)
Vibration 20G’s, 10 to 2,000 Hz (1% ∆RT, 1% ∆VR)
High Temperature Exposure 250 hours at 150°C (2% ∆RT, 2% ∆VR)
Rotational Life 200 cycles (3% ∆RT)
Load Life at 0.5 Watts 1,000 hours at 85°C (2% ∆RT)
Resistance to Solder Heat 260°C for 10 sec. (1% ∆RT)
Temperature Exposure, Maximum 215°C for 3 min. (1% ∆RT)
MECHANICAL
Mechanical Stops Clutch action, both ends
Torque, Starting Maximum 3 oz.-in. (0.021 N-m)
Weight, Nominal .014 oz. (.40 grams)
MODEL 84
1/4” Square
Multiturn
Surface Mount
Cermet Trimming
Potentiometer
Fluorinert® is a registered trademark of 3M Company.
Specifications subject to change without notice.
SIDE ADJUSTMENT (Inch/mm)
Standard Marking
On This Surface
~
3x .100
2.54
.100
2.54
.100
2.54
.100
2.54
.040 ± .015
1.02 ± 0.38
.210 ± .015
5.33 ± 0.38
.250 ± .020
6.35 ± 0.51
.040 ± .010
1.02 ± 0.25
3x .105 ± .015
2.67 ± 0.38 3x
Recommend PCB Layout - Model 84P
.125 ± .015
3.18 ± 0.38
3x .040 ± .015
1.02 ± 0.38
.375 ± .015
9.53 ± 0.13
C
L
(2) (3)
(1)
(3)
(1) (2)
(1) (2) (3)
Model 84P
Model 84
1-74
TOP ADJUSTMENT (Inch/mm)
~
Housing: Molded Plastic
Terminal Pins:
Solderable
Metal Adjustment Screw
Standard Marking
On This Surface
3x
Min.
With
.005
0.13
Min. Wide x
.020
0.51
Min. Depth
.020
0.51
.100
2.54
.100
2.54
.070 ± .015
1.78 ± 0.38
.295 ± .015
7.49 ± 0.38
.040 ± .015
1.02 ± 0.38
.250 ± .020
6.35 ± 0.51
.050 ± .010
1.27 ± 0.25
.040 ± .010
1.02 ± 0.25
.170 ± .015
4.32 ± 0.38
.070 ± .005
1.78 ± 0.13
3x .040 ± .015
1.02 ± 0.38
3x .018 ± .002
0.46 ± .051
C
L
C
L
(1) (2) (3)
Model 84W
SIDE ADJUSTMENT (Inch/mm)
.100
2.54
.100
2.54
3x .040 ± .015
1.02 ± 0.38
.100
2.54
.100
2.54
3x .040 ± .015
1.02 ± 0.38
3x
Recommended PCB Layout - Models 84W and 84X
.110 ± .015
2.80 ± 0.38
.295 ± .005
7.49 ± 0.13
C
L
.050 ± .010
1.27 ± 0.25
(1) (2) (3)
~
Standard Marking
On This Surface .040 ± .010
1.02 ± 0.25
(2)
(1) (3)
Model 84X
Note: Model 84W dimensions applicable to all models
except as noted.
1
1-75 Model 84
PACKAGING
ORDERING INFORMATION
84 P R 10K LF TR
Model Series
Pin Style
Resistance Prefix
Packaging Option:
TR = Tape & Reel
(No code used for tubes)
RoHS Compliant Product Code - Optional
Resistance Value
Standard:
Standard: Tubes
All units oriented with #1 pin to same side.
Pin Style P W/X
Magazine Width = 0.47”(11.93mm) 0.37”(9.39mm)
Height = 0.32”(8.13mm) 0.47”(11.93mm)
Length = 14.5”(368mm) 14.5”(368mm)
16.5”(429mm)
Capacity = 50 Units 50 Units
Option: Embossed Tape & Reel (84P & 84W only)
All units oriented with #1 pin to the right of the direction of feed.
Pin Style =PW/X
Tape Width = 16 mm 24mm
Sprocket = 4 mm pitch 4mm pitch
Capacity = 500 Units 400 Units
Reel Diameter = 13” (330 mm) 13” (330mm)
CIRCUIT DIAGRAM
(1)
(2)
(3)
CW
NOTES
mm
INCH
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
STANDARD RESISTANCE VALUES, OHMS
10 100 1K 10K 50K 250K
20 200 2K 20K 100K 500K
50 500 5K 25K 200K 1Meg
