*R
oH
V SC
AV ER OM
AI SIO PL
LA N IA
BL S NT
E
Features
■
Multiturn / Cermet / Industrial / Sealed
■
Space saver: 0.100 ” x 0.150 ” x 0.500 ”
■
±100 ppm/°C temperature coefficient 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
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 Coefficient ....... ±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
A
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
50,000
100,000
200,000
500,000
750,000
1,000,000
2,000,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
503
104
204
504
754
105
205
1
3
2
C MIN.
TYP.
1.02
(.04)
D TYP.
1.40 ± .254
(.055 ± .010)
2.5
(.10)
10.2
(.40)
12.7
(.50)
B±
2.54
(.010)
How To Order
3082 P - 1 - 103 LF
Model
Style
6.1
(.24)
2.92
(.115)
1.81
(.07)
Standard or Modified
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.
ADJ. SLOT
.64
.51
1.91
DIA. X
WIDE X
DEEP
(.025)
(.020)
(.075)
#26 AWG
.41 ± .025
(.016 ± .001)
PINS
2
Dimension
A
B
C
D
3082P-1
(Without
Standoffs)
3.8
(.15)
2.74
(.108)
None
None
3082P-45
(With
Standoffs)
4.3
(.17)
3.3
(.130)
.381
(.015)
.51
(.020)
CCW
WIPER
1
CLOCKWISE
3
CW
MM
(INCHES)
±.25
±.127
TOLERANCES: .XX
.XXX
±.010
±.005
EXCEPT WHERE NOTED
DIMENSIONS:
REV. 11/15
“Trimpot” is a registered trademark of Bourns, Inc.
*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. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns
®
products manufactured by or on behalf of Bourns, Inc. and
Unless otherwise expressly indicated in writing, Bourns
®
products and data sheets relating thereto are subject to change
and complete before placing orders for Bourns
®
products.
The characteristics and parameters of a Bourns
®
product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns
®
®
product with other components
the actual performance of the Bourns
®
®
®
product as meeting the requirements of a particular industry
®
of Bourns products are responsible for ensuring compliance with safety-related requirements and standards applicable to
®
Bourns
®
on a case-by-case basis, use of any Bourns
®
®
®
®
®
Bourns
®
®
standard products that are suitable for use in aircraft
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standard
the user’s sole risk.
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and the user for which such Bourns
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custom products shall be negotiated on a case-by-case basis by Bourns
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also apply to such Bourns custom products.
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