Features For trimmer applications/processing Single-turn / Wirewound / Industrial / guidelines, click here Sealed Industrial wirewound 1.0 watt power rating at 70 C Available with a thumbwheel and screwdriver slot adjustment RoHS compliant* 3345 - 1/2 Round Trimpot Trimming Potentiometer Electrical Characteristics Product Dimensions Standard Resistance Table Standard Resistance Range 3345P Nominal .......................................10 to 50K ohms 5.97 .89 .64 ADJ. SLOT LONG X DEEP X WIDE Resistance Resistance Resolution (.235) (.035) (.025) (see standard resistance table) (Ohms) Code (Percent) Resistance Tolerance ................. 5 % std. 10 100 0.94 20 200 0.76 (tighter tolerance available) 11.43 .38 50 500 0.58 DIA. Absolute Minimum Resistance (.450 .015) 100 101 0.49 ..........................1.0 % or 0.5 ohms max. 200 201 0.49 500 501 0.38 (whichever is greater) 2.54 1,000 102 0.30 5.97 .38 MIN. STANDOFFS Noise ........................ 100 ohms ENR max. (.10) 2,000 202 0.24 (.235 .015) .38 2.54 5,000 502 0.18 Resolution (.015) (.10) 10,000 103 0.14 ................See standard resistance table 20,000 203 0.13 1,000 megohms min. 50,000 503 0.12 2 13 Dielectric Strength 2.54 Special resistances available from 10 to Sea Level ................................1,500 vac (.10) 50K ohms. 5.08 70,000 Feet ................................350 vac .71 .08 (.200) (.028 .003) Insulation Resistance ...................500 vdc. MIN. LENGTH DIA. How To Order 100 megohms min. Adjustment Angle ......................280 nom. 3345P THUMBWHEEL 3345 P - 1 - 502 T 8.00 .38 Environmental Characteristics Model (.315 .015) Power Rating Style 70 C..............................................1 watt Standard Product 12.57 .38 11.43 .38 150 C ...........................................0 watt DIA. (.495 .015) (.450 .015) Resistance Code Temperature Range .......-55 C to +150 C Temperature Coef cient ........ 50 ppm/C Optional Suf x Letter T = Thumb Wheel Seal Test .........................85 C Fluorinert 5.97 .38 (.235 .015) Humidity ...........MIL-STD-202 Method 106 Consult factory for other available options. (1 % TR, 10 megohms IR) 3345W Vibration .......... 30 G (1 % TR 1 % VR) .686 .38 Shock ............ 100 G (1 % TR 1 % VR) (.270 .015) WIPER 2 Load Life ......1,000 hours, 1 watt 70 C 13.34 .38 (.525 .015) 2.54 Rotational Life ........................... 200 cycles (.10) CW CCW 3 1 (2 % TR 500 ohms ENR) 2.54 3 CLOCKWISE (.10) 11.43 .38 2 DIA. Physical Characteristics (.450 .015) 1 Mechanical Angle .....................310 nom. MM DIMENSIONS: 12.7 Torque .................................5.0 oz-in. max. MIN. (INCHES) (.500) 2.54 Stop Strength ........................15 oz-in. min. (.10) 0.25 1.09 .38 TOLERANCES: EXCEPT WHERE NOTED Terminals ........................... Solderable pins (.043 .015) (.010) Weight ............................................0.04 oz. Marking .............................. Manufacturers 3345W THUMBWHEEL trademark, resistance code, 8.78 .38 13.97 .38 wiring diagram, date code, (.345 .015) (.550 .015) 1.09 .38 manufacturers model number (.043 .015) and style Standard Packaging ....... 100 pcs. per bag 3 2 1 6.86 .38 12.57 .38 11.93 .38 (.270 .015) (.495 .015) (.450 .015) REV. 04/14 *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. Fluorinert is a registered trademark of 3M Co. Speci cations are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their speci c applications. *RoHS COMPLIANT