*R oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features ■ RoHS compliant* version available ■ Single-Turn / Cermet / Industrial / ■ ■ ■ ■ Open Frame Stable cermet element offers infinite resolution Very low profile Seven standard pin styles Thumb and screwdriver adjustment ■ For trimmer applications/processing guidelines, click here 3352 - 3/8 ” Round Trimpot® Trimming Potentiometer Electrical Characteristics Standard Resistance Range ................................10 to 2 megohms (see standard resistance table) Resistance Tolerance ........... ±20 % std. (tighter tolerance available) Absolute Minimum Resistance ....................................... 2 ohms max. Contact Resistance Variation .......................... 1.0 % or 1 ohm max. (whichever is greater) Adjustability Voltage .................................. ±0.05 % Resistance ............................ ±0.25 % Resolution ................................... Infinite Dielectric Strength Sea Level................................ 500 vac 80,000 Feet ............................ 350 vac Adjustment Angle ................. 205 ° nom. Environmental Characteristics Power Rating (250 volts max.) 85 °C .................................... 0.50 watt 125 °C ....................................... 0 watt Temperature Range ... -55 °C to +125 °C Temperature Coefficient ±100 ppm/ºC ......................... 2K & up ±150 ppm/ºC ...................... Below 2K Humidity .......MIL-STD-202 Method 103 96 hours (2 % ΔTR, 10 Megohms IR) Vibration ....... 30 G (2 % ΔTR; 2 % ΔVR) Shock ......... 100 G (2 % ΔTR; 2 % ΔVR) Load Life.. 1,000 hours 0.5 watt @ 85 °C ............................................(3 % ΔTR) Rotational Life .......................200 cycles (10 % ΔTR) Physical Characteristics Mechanical Angle ................. 250 ° nom. Torque............................. 3.0 oz-in. max. Stop Strength .................... 8 oz -in. min. Terminals .......................Solderable pins Weight ....................................... 0.01 oz. Marking........................... Manufacturer’s trademark, resistance value and model number. Date code on packaging. Wiper ............... 50 % (Actual TR) ±10 % Standard Packaging ....100 pcs. per bag Adjustment Tool..............................H-90 Aqueous cleaning not recommended. Product Dimensions 3352 3352H ADJUSTMENT SLOT 4.06 LONG (.160) X .86 WIDE (.034) X .84 DEEP TYP. (.033) Side Adjust 2.54 TYP. (.100) 3.81 ± .51 (.150 ± 020) TYP. 2.54 TYP. (.100) 7.62 MAX. (.300) 4.75 MIN. TYP. (.187) 8.89 (.350) 4.75 TYP. (.187) 5.08 TYP. .64 TYP. (.200) (.025) 3 1.27 TYP. (.050) 2.54 TYP. (.100) 7.62 MAX. (.300) 2 1 9.53 ± .38 (.375 ± .015) 4.37 TYP. (.172) 3352V .51 ± .05 (.020 ± .002) DIA. PINS TYP. 7.62 TYP. (.300) 3352E 2.54 TYP. (.100) 3352K 3.96 (.156) 9.14 MAX. (.360) Top Adjust 3352W 2.54 TYP. (.100) 10.16 (.400) 5.08 MAX. (.200) 5.33 MAX. (.210) 2.54 TYP. (.100) DIMENSIONS: 3352P 2.54 (.100) TOLERANCES: ± 5.33 MAX. (.210) 2.54 TYP. (.100) 2.21 ± .38 (.087 ± .015) 2.54 TYP. (.100) CCW WIPER 3 1 EXCEPT WHERE NOTED Standard Resistance Table 3352T 2 0.25 (.010) MM (INCHES) CW CLOCKWISE How To Order 3352 W - 1 - 103 LF Model Style Standard or Modified Product Indicator -1 = Standard Product 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 2,000,000 Resistance Code 100 200 500 101 201 501 102 202 502 103 203 253 503 104 204 254 504 105 205 Popular values listed in boldface. Special resistances available. Resistance Code Terminations LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated (Standard) REV. 08/10 *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. “Trimpot” is a registered trademark of Bourns, Inc. Consult factory for other available options. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.