*R
oH
V E S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
■
High Performance Series 3/8 ” Square /
■
■
■
■
Multiturn / Cermet / Industrial / Sealed
Thin body profile
Sealed to withstand board washing
processes
Low current applications <50
μA
Mounting hardware available
Model 3296-LC2 is obsolete and not
recommended for new designs.
Model 3296
is preferred.
3296-LC2 - 3/8 ” Square Trimpot
®
Trimming Potentiometer
Electrical Characteristics
Standard Resistance Range
.................... 500 ohms to 100K ohms
(see standard resistance table)
Resistance Tolerance ........... ±10 % std.
Absolute Minimum Resistance
........................... 2 ohms or 1 % max.
(whichever is greater)
Contact Resistance Variation
......................................... 0.5 % max.
Contact Resistance (D.C. mode)
......................................... 0.3 % max.
D.C. Offset ........................... 0.5 % max.
Adjustability
Voltage .................................... ±0.1 %
Resistance .............................. ±0.2 %
Insulation Resistance ............... 500 vdc.
1,000 megohms min.
Dielectric Strength
Sea Level................................ 900 vac
70,000 feet ............................. 350 vac
Adjustment Angle, Electrical
..........................................25 ±5 turns
Environmental Characteristics
Power Rating (400 volts max.)
85 °C ...................................... 0.5 watt
125 °C ....................................... 0 watt
Temperature Range ... -55 °C to +125 °C
Temperature Coefficient ... ±100 ppm/°C
Humidity ...........80-90 %, RH, 10 cycles
2 % max. TRS, IR 10 megohms
0.2 % max. contact resistance shift
Seal Test ......................85 °C Flourinert†
Vibration .................... 20 G - 0.5 % VRS
0.2 % contact resistance shift
Shock ...................... 100 G - 0.5 % VRS
0.2 % contact resistance shift
Load Life @ 85 °C Rated Power
........................ 1,000 hours 3 % TRS,
0.2 % contact resistance
shift - 0.5 % CRV
Rotational Life ...... 200 cycles, 4 % TRS
0.2 % contact resistance shift
Thermal Shock ..........................5 cycles
2 % TRS, 0.5 % VRS
0.2 % contact resistance shift
Physical Characteristics
Torque............................. 3.0 oz-in. max.
Mechanical Stops ................. Wiper idles
Terminals ................. Solderable PC pins
Weight ....................................... 0.03 oz.
Marking.........Manufacturer’s trademark,
resistance code and date code
Wiper .................................50 % ±10 %
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool..............................H-90
Product Dimensions
Common Dimensions
5.97 .89
(.235 .035)
2.54
(.100)
10.03
(.395)
1.52
(.060)
.38
(.015) MIN.
1.27 0.1
(.050 .004)
Standard Resistance Table
Resistance
(Ohms)
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
Resistance
Code
501
102
202
502
103
203
253
503
104
4.83
(.190)
9.53
(.375)
.51
DIA.
(.020)
ADJ. SLOT
2.19 DIA.
(.086)
.56
WIDE
X
(.022)
.76
DEEP
X
(.030)
2.54
(.100)
2.54
(.100)
1.27 0.1
(.050 .004)
Shaded areas typically not stocked by
distributors and not recommended for new
designs.
3296P
3
2
1
How To Order
3296 W - LC2 - 103 LF
Model
Style
Product Indicator
Resistance Code
5.23
(.206)
2.54
(.100)
3296W
2.54
(.100)
3
2
1
2.41
(.095)
Terminations
LF =
100 % Tin-plated (RoHS compliant)
Blank = 90 % Tin / 10 % Lead-plated
(Standard)
Consult factory for other available options.
2.54
(.100)
3296X
2.54
(.100)
3
2
2.54
(.100)
1
2.41
(.095)
2
CCW
WIPER
1
CLOCKWISE
3
CW
DIMENSIONS:
TOLERANCES: ±
0.25
(.010)
MM
(INCHES)
EXCEPT WHERE NOTED
REV. 03/10
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex.
“Trimpot” is a registered trademark of Bourns, Inc.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
PCB Design
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