3309-9 BOURNS | Alldatasheet

Document overview

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Technical content

Features

■ 9 mm Round / Single-Turn / Cermet Industrial / Open Frame ■ Both sides adjust ■ Cross slot and hexagon adjustment designs ■ Horizontal and vertical mounting styles ■ Dust resistant/splash resistant covers ■ PC board stand-offs and retention feature ■ RoHS compliant*

Electrical Characteristics

(see standard resistance table) Absolute Minimum Resistance Contact Resistance Variation ..3 % max. Environmental Characteristics Power Rating (250 volts max.) Temperature Range ....-25 °C to +100 °C Temperature Coefficient ....±250 ppm/°C @ 70 °C (5 % ∆TR) Physical Characteristics trademark, resistance code Aqueous cleaning not recommended MOUNTING SURFACE 2.0 (.079) 3309P-3 Both Sides Adjust Hex SUGGESTED PWB LAYOUT - 3309P 1.2 ± .18 (.047 ± .007) 4.0 (.157) 10.0 ± .18 (.394 ± .007) 9.0 ± .51 (.354 ± .020) 11.5 ± .51 (.453 ± .020) 5.80 ± .51 (.228 ± .020) 5.0 (.197) 5.0 (.197) 2.5 (.098) 10.34 ± .51 (.407 ± .020) 4.0 (.157) HEX THRU HOLE ACROSS FLATS 2.5 ± .18 (.197 ± .007) DIA. 3 PLCS. DIA. -2, -3 ONLY 1 3 CW CLOCKWISE CCW

2 WIPER

DIMENSIONS ARE: MM (INCHES) TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED How To Order

3309 W - 2 - 103

-1 = Standard -2 = Cross Slot/Single Slot Rear Adjust -3 = 2 mm Hex Thru Hole Resistance Code 9.0 ± .51 (.354 ± .020) 11.5 ± .51 (.453 ± .020) 1 3 6.35 ± .51 (.250 ± .020) 10.34 ± .51 (.407 ± .020) 4.0 (.157) MOUNTING SURFACE Top/Bottom Adjust Common Dimensions 3309P 3309P-1 Top Adjust 3309P-2 Both Sides Adjust/Cross Slot 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) 10.34 ± .51 (.407 ± .020) 4.0 (.157) 5.8 ± .51 (.228 ± .020) MOUNTING SURFACE 2.29 ± .51 (.090 ± .020) 1.2 (.047) *RoHS COMPLIANT

Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 3309W-3 Both Sides Adjust Hex MOUNTING SURFACE 12.5 ± .51 (.492 ± .020) SUGGESTED PWB LAYOUT - 3309W 9.0 ± .51 (.354 ± .020) 11.0 ± .51 (.315 ± .020) 2.5 (.098) 5.0 (.197) 2.5 (.098) 4.0 (.157) 4.22 (.166) 2.5 ± .18 (.098 ± .007) 2.5 ± .18 (.197 ± .007) 1.20 ± .18 (.047 ± .007) DIA. 3 PLCS. 2.01 (.079)HEX THRU HOLE ACROSS FLATS 3309 - 9 mm Round Trimming Potentiometer 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 Standard Resistance Table Popular distribution resistance values listed in boldface. REV. 08/05 11.0 ± .51 (.433 ± .020) Side Adjust Common Dimensions 3309W MOUNTING SURFACE 8.0 ± .51 (.315 ± .020) 3309W-1 Single Side (Front) Adjust 2.5 (.098) 4.72 (.186) 3309W-2 Both Sides Adjust - Cross Slot 9.0 ± .51 (.354 ± .020) 2.5 (.098) 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) 4.22 (.166) .71 (.028) 2.29 (.090)