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3309 Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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3309 Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
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Features ■ 9 mm Round / Single-Turn / Cermet Industrial / Open Frame ■ Top and single side (front) adjust ■ Cross slot adjustment design ■ Horizontal and vertical mounting styles ■ Dust resistant/splash resistant covers ■ PC board stand-offs and retention feature ■ RoHS compliant* 3309 - 9 mm Round Trimming Potentiometer *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications Electrical Characteristics Standard Resistance Range ....................100 ohms to 2 megohms (see standard resistance table) Resistance Tolerance ........... ±25 % std. Absolute Minimum Resistance ................. 2 % max. (≤2K = 30 ohms) Contact Resistance Variation .. 3 % max. Resolution ................. Essentially infinite Adjustment Angle ................. 235 ° nom. Environmental Characteristics Power Rating (250 volts max.) 70 °C ...................................... 0.5 watt Temperature Range ... -25 °C to +100 °C Temperature Coefficient ... ±250 ppm/°C Load Life................ 1,000 hours 0.5 watt @ 70 °C (5 % ΔTR) Physical Characteristics Mechanical Angle ..................260 °±10 ° Torque (Operating)............. 5 oz-in. max. Stop Strength ............... 11.0 oz -in. min. Terminals ....................... Solderable pins Marking........................... Manufacturer’s trademark, resistance code Standard Packaging ....200 pcs. per bag Adjustment Tool.............................. H-90 Aqueous cleaning not recommended Product Dimensions 1 3 CW CLOCKWISE CCW 2 WIPER How To Order 3309 W - 1 - 103 Model Style P = Top adjust W = Single side (front) adjust Rotor Style -1 = Standard Resistance Code TOLERANCES: ± 0.25 EXCEPT WHERE NOTED (.010) DIMENSIONS: MM (INCHES) 9.0 ± .51 (.354 ± .020) 11.5 ± .51 (.453 ± .020) 1 3 2 6.35 ± .51 (.250 ± .020) 10.34 ± .51 (.407 ± .020) 4.0 (.157) MOUNTING SURFACE 3309P-1 Top Adjust 2 SUGGESTED PWB LAYOUT 1.2 ± .18 (.047 ± .007) 10.0 ± .18 (.394 ± .007) ADJ. CROSS SLOT .80 ± .15 (.031 ± .006) 3.4 ± .15 (.134 ± .006) 2.0 ± .15 (.079 ± .006) WIDE X X LONG DEEP 5.0 (.197) 5.0 (.197) 2.5 (.098) 2.5 ± .18 (.098 ± .007) 5.0 ± .18 (.197 ± .007) DIA. 3 PLCS. 11.0 ± .51 (.433 ± .020) 1 3 2 MOUNTING SURFACE 8.0 ± .51 (.315 ± .020) 3309W-1 Single Side (Front) Adjust 2 2.5 (.098) 4.72 (.186) SUGGESTED PWB LAYOUT 9.0 ± .51 (.354 ± .020) ADJ. CROSS SLOT .80 ± .15 (.031 ± .006) 3.4 ± .15 (.134 ± .006) 2.0 ± .15 (.079 ± .006) WIDE X X LONG DEEP 12.5 ± .51 (.492 ± .020) 4.0 (.157) 5.0 (.197) 2.5 (.098) 2.5 ± .18 (.098 ± .007) 2.5 ± .18 (.098 ± .007) 5.0 ± .18 (.197 ± .007) 1.20 ± .18 (.047 ± .007) DIA. 3 PLCS. Standard Resistance Table Resistance Resistance (Ohms) Code 100 101 200 201 500 501 1,000 102 2,000 202 5,000 502 10,000 103 20,000 203 25,000 253 50,000 503 100,000 104 200,000 204 250,000 254 500,000 504 1,000,000 105 2,000,000 205 Popular distribution resistance values listed in boldface. REV. 03/09 |
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