Features
■ Multiturn / Cermet / Industrial / Sealed
■ Space saver: 0.100 ” x 0.150 ” x 0.500 ”
■ ±100 ppm/°C temperature coeffi cient over
entire temperature and resistance ranges
■ Available with or without standoffs
■ For trimmer applications/processing
guidelines, click here
3082 - 1/2 ” Rectangular Trimpot
®
Trimming Potentiometer
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
“Trimpot” is a registered trademark of Bourns, Inc.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Electrical Characteristics
Standard Resistance Range
.................................... 10 to 2 megohms
(see standard resistance table)
Resistance Tolerance ............... ±10 % std.
Absolute Minimum Resistance
.............................1.0 % or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
.............................3.0 % or 3 ohms max.
(whichever is greater)
Continuity
..... Maintained for full mechanical range
Adjustability
Voltage ...................................... ±0.05 %
Resistance ................................ ±0.10 %
Insulation Resistance ....................500 vdc
1000 megohms min.
Adjustment Angle ................. 10 turns nom.
Environmental Characteristics
Power Rating (400 volts max.)
85 °C...........................................0.3 watt
Temperature Range .......-65 °C to +150 °C
Temperature Coeffi cient ....... ±100 ppm/°C
Humidity ...........MIL-STD-202 Method 106
100 megohms min. insulation
resistance after removal from
chamber
Vibration ......30 G (exceeds MIL-R-22097)
Contact Bounce .... 0.1 millisecond max.
Wiper Shift, Max. ...... 1.0 % voltage ratio
Shock ........100 G (exceeds MIL-R-22097)
Contact Bounce .... 0.1 millisecond max.
Wiper Shift, Max. ...... 1.0 % voltage ratio
Load Life ... 1,000 hours, 0.3 watt @ 25 °C
Resistance Shift, Max. ................ ±2.0 %
Mechanical Life ......................... 200 cycles
without discontinuity
Dielectric Strength ................ MIL-R-22097
Room Conditions ............... 900 volts AC
80,000 feet ......................... 400 volts AC
Physical Characteristics
Immersion Leak Test ................... No leaks
Torque .................................2.0 oz-in. max.
Mechanical Adjustments ..... 12 turns nom.
Mechanical Stops .................... Wiper idles
Wiper ................... 50 % (Actual TR) ±10 %
Terminals ........................... Solderable pins
Weight ..........................................0.009 oz.
Marking .............................. Manufacturer’s
trademark, resistance code,
terminal numbers, date code and
manufacturer’s model number
Standard Packaging ........ 25 pcs. per tube
Product Dimensions
DIMENSIONS:
MM
(INCHES)
1
3
CW
CLOCKWISE
CCW
2
WIPER
REV. 01/13
How To Order
3082 P - 1 - 103 LF
Model
Style
Standard or Modifi ed
Product Indicator
-1 = Standard Product
-45 = With Standoffs
Resistance Code
Terminations
LF = 100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Consult factory for other available options.
Standard Resistance Table
Resistance Resistance
(Ohms) Code
10 100
20 200
50 500
100 101
200 201
500 501
1,000 102
2,000 202
5,000 502
10,000 103
20,000 203
50,000 503
100,000 104
200,000 204
500,000 504
750,000 754
1,000,000 105
2,000,000 205
Model 3082 is currently available,
although not recommended for new
designs.
10.2
(.40)
12.7
(.50)
1.02
(.04)
1.40 ± .254
(.055 ± .010)
1.02
(.04)
2.5
(.10)
2.5
(.10)
C MIN.
TYP.
D TYP.
.254
(.010)
A
4.4
(.172)
MIN.
B ±
ADJ. SLOT DIA. X WIDE X DEEP
1.91
(.075)
.64
(.025)
.51
(.020)
#26 AWG PINS
.41 ± .025
(.016 ± .001)
1 23
3082P-1 3082P-45
Dimension (Without (With
Standoffs) Standoffs)
A
3.8 4.3
(0.15) (0.17)
B
2.7 3.3
(0.108) (0.130)
C
None
.381
(0.015)
D
None
.51
(0.020)
TOLERANCES: .XX
±.25
±.010
.XXX
±.127
±.005
EXCEPT WHERE NOTED
*RoHS COMPLIANT
VERSIONS
AVAILABLE
