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oH VE S CO AV R M AI SIO PL LA N IA BL S NT E
Features
Four-Turn / Cermet / Industrial / Sealed Unique planetary drive offers precise wiper setting of a multiturn in a single-turn package size Top and side adjust styles RoHS compliant* version available
*R
3339 - 5/16 " Round Trimming Potentiometer
Electrical Characteristics Standard Resistance Range ...................................10 to 1 megohm (see standard resistance table) Resistance Tolerance ............10 % std. (tighter tolerance available) Absolute Minimum Resistance .............................1 % or 2 ohms max. (whichever is greater) Contact Resistance Variation .............................3 % or 3 ohms max. (whichever is greater) Adjustability Voltage ....................................0.05 % Resistance ................................0.1 % Resolution.....................................Infinite Insulation Resistance ................500 vdc. 1,000 megohms min. Dielectric Strength Sea Level .................................600 vac 80,000 Feet ..............................250 vac Effective Travel....................4 turns nom. Environmental Characteristics Power Rating (300 volts max.) 85 C........................................0.5 watt 150 C.........................................0 watt Temperature Range .................................-55 C to +150 C Temperature Coefficient ........................................100 ppm/C Seal Test........................85 C Fluorinert Humidity........MIL-STD-202 Method 103 96 hours (3 % TR, 10 Megohms IR) Vibration.........30 G (1 % TR; 1 % VR) Shock...........100 G (1 % TR; 1 % VR) Load Life ..............1,000 hours 0.5 watt @ 85 C (3 % TR; 3 % or 3 ohms, whichever is greater, CRV) Rotational Life ........................200 cycles (3 % TR; 3 % or 3 ohms, whichever is greater, CRV) Physical Characteristics Torque ................................3 oz-in. max. Mechanical Stops..................Wiper idles Terminals ........................Solderable pins Weight ........................................0.02 oz. Marking ...........................Manufacturer's trademark, resistance code, wiring diagram, date code, manufacturer's model number and style Wiper................50 % (Actual TR) 10 % Flammability ............................U.L.94V-0 Standard Packaging .....50 pcs. per tube Adjustment Tool ..............................H-90
3339H Common Dimensions (Top Adjust)
ADJ. CROSS SLOT 2.54 LONG X (.100) .64 WIDE X (2 PLACES) (.025) .76 DEEP X (.030) .38 90 1 (.015) REF. 2.54 .025 (.10 .01) 1 3
2
CCW
WIPER
1
CLOCKWISE
3
CW
4.78 MIN. (.188) 6.35 (.250)
TOLERANCES: 0.25 (.010) EXCEPT WHERE NOTED DIMENSIONS ARE: MM (INCHES)
.51 (.020) 7.62 DIA. .43 .05 (.300) (.017 .002) DIA.
2 2.54 .025 (.10 .01)
How To Order
3339 H - 1 - 103 LF
Model Style Standard or Modified Product Indicator -1 = Standard Product Resistance Code Terminations LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated (Standard) Consult factory for other available options.
3339P
6.35 (.250)
2.54 (.100) 2.54 (.100) 1 .51 (.020) 3
2.54 (.100)
2
7.62 DIA. (.300)
3339S Common Dimensions (Side Adjust)
7.62 (.300) DIA. 8.00 .38 (.315 .015) 9.53 .38 (375 .015) 5.54 .38 (.218 .015) .38 2 (.015) MIN. 1 2.54 (.100) 5.08 (.200) 3 5.97 (.235)
Standard Resistance Table
Resistance (Ohms) 10 20 50 100 200 500 1,000 2,000 5,000 10,000 20,000 25,000 50,000 100,000 200,000 250,000 500,000 1,000,000 Resistance Code 100 200 500 101 201 501 102 202 502 103 203 253 503 104 204 254 504 105
.64 (.025)
.43 .05 (.017 .002) DIA. 4.57 (.180) 2.54 (.100)
8.13 .38 (.320 .015)
3339W
8.00 .38 (.315 .015) 9.53 .38 (375 .015) 5.54 .38 (.218 .015) .38 (.015) MIN. 2
5.97 (.235)
Popular distribution resistance values listed in boldface. Special resistances available.
.64 (.025)
8.13 .38 (.320 .015)
1 2.54 (.100) 5.08 (.200) 3
4.57 (.180) 2.54 (.100)
REV. 02/06 *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. "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.

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