*R oH V SC AV ER OM AI SIO PL LA N IA BL S NT E Features 1/4" Round / Single-Turn / Cermet RoHS compliant* version available Industrial / Sealed 5 standard terminal styles Tape and reel packaging available Listed on the QPL for style RJ50 per MIL-PRF-22097 and RJR50 per High-Rel MIL-PRF-39035 For trimmer applications/processing guidelines, click here 3329 - 1/4 " Round Trimpot(R) Trimming Potentiometer Electrical Characteristics Standard Resistance Range ................................. 10 to 1 megohm (see standard resistance table) Resistance Tolerance ........... 10 % std. (closer tolerance available) Absolute Minimum Resistance .................................... 1 % or 2 ohms (whichever is greater) Contact Resistance Variation ........................ 3.0 % or 3 ohms max. (whichever is greater) Adjustability Voltage .................................. 0.05 % Resistance ............................ 0.15 % Resolution ................................... Insulation Resistance ............... 500 vdc. 1,000 megohms min. Dielectric Strength Sea Level................................ 600 vac 80,000 Feet ............................ 250 vac Adjustment Angle ................. 240 nom. Environmental Characteristics Power Rating @ 85 C (300 volts max.) ............................................... 0.5 watt Power Rating @ 150 C ................ 0 watt Temperature Range ... -55 C to +150 C T ... 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) except "P" pin style Shock ......... 100 G (1 % TR; 1 % VR) Load Life ............ 1,000 hours 0.5 watt @ 85 C (3 % TR; 3 % CRV) Rotational Life .......................200 cycles (4 % TR; 4 % CRV) Physical Characteristics Mechanical Angle ................. 260 nom. Torque............................. 5.0 oz-in. max. Stop Strength ................. 5.0 oz -in. min. Terminals .......................Solderable pins Weight ....................................... 0.02 oz. Marking.........Manufacturer's trademark, resistance code, date code, manufacturer's model number and style Wiper ............... 50 % (Actual TR) 10 % Standard Packaging .....50 pcs. per tube Adjustment Tool..............................H-90 WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov Product Dimensions 3329H 3329P-DK9-RC 2.54 (.100) 45 REF. .46 .05 (.018 .002) DIA. TYP. 2.54 (.100) .38 (.015) 2 3 1 90 5 4.57 (.180) 6.35 .51 (.250 .020) 6.78 2.24 (.267 .088) 3329P 6.35 .51 (.250 .020) ADJ. SLOT 3.56 LONG (.140) .64 WIDE X (.025) 1.02 DEEP X (.040) 2 .46 .05 (.018 .002) DIA. 3 PINS .43 .13 (.017 .005) 2 3 1 2.54 (.100) 3 6.78 2.24 (.267 .088) 4.75 MIN. (.187) 5.79 (.228) 2.54 (.100) 2.54 (.100) 1 2.54 (.100) 2.54 (.100) 2.54 (.100) MM (INCHES) DIMENSIONS: 6.35 .51 (.250 .020) 5.82 .25 (.229 .010) 3329S 5.08 (.200) 6.60 (.260) 8.38 .51 (.330 .020) .38 (.015) 7.75 2.97 (.305 .117) 2.54 (.100) 2.54 (.100) TOLERANCES: EXCEPT WHERE NOTED 2 CCW WIPER 3 1 CW CLOCKWISE .89 (.035) How To Order 3329 M - 1 - 103 __ LF 2.54 (.100) Model Style 5.08 (.200) 6.60 (.260) .38 (.015) 8.38 .51 (.330 .020) 2.54 (.100) 2.54 (.100) 7.75 2.97 (.305 .117) 2.54 (.100) 3329X 0.25 (.010) 6.10 (.240) 1 2 3 3329W ADJ. SLOT 2.79 .038 DIA. (.110 ..001) .64 WIDE X (.025) .51 DEEP X (.020) 5.08 (.200) 6.60 (.260) .38 (.015) 8.38 .51 (.330 .020) 2.54 (.100) 2.54 (.100) 7.75 2.97 (.305 .117) 2.54 (.100) 1 2 3 6.10 (.240) .89 (.035) 3 2 1 6.10 (.240) .89 (.035) Product Indicator -1 = Standard Product -DK9 = Plastic Spacer Resistance Code Packaging Designator Blank = Tube (Standard) R = Tape and Reel (M and U Pin Styles Only) A = Ammo Pack (M and U Pin Styles Only) Terminations LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated (Standard) Consult factory for other available options. Tape and reel material meets Antistatic ANSI/ ESD 5541-2003 packaging standards. *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. "Fluorinert" is a registered trademark of 3M Co. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 3329 - 1/4 " Round Trimpot(R) Trimming Potentiometer 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 SIDE ADJUST 3329M-1 TOP ADJUST 3329U-1 12.70 REF. (.500) 8.38 .51 (.33 .02) 26.4 .76 (1.040 .030) 3 2 12.70 REF. (.500) 6.35 MAX. (.250) 3 1 18.034 0.762 (.71 .03) 2 1 24.38 0.76 (.960 .030) 18 .76 (.709 .030) 18 + 1.0/ - 0.5 (.709 + .039/ .020) 12.70 + 0.3/ - 0.25 (.500 + .012/ - .010) 4.0 0.3 (.157 .012) DIA. 12.70 + 0.3/ - 0.25 (.500 + .012/ - .010) 6.1 .25 (.240 .010) Popular distribution resistance values listed in boldface. Special resistances available. 6.35 .5 (.250 .020) 3.43 .25 (.135 .010) 2.79 .25 (.110 .010) .457 .051 DIA. TYP. (.018 .002) ALL PINS IN-LINE ON DIMENSIONS: 2.54 CENTER (.100) MM (INCHES) 4.0 0.3 DIA. (.157 .012) 18 + 1.0/ - 0.5 (.709 + .039/ .020) ALL PINS IN-LINE ON DIMENSIONS: 2.54 CENTER (.100) MM (INCHES) 1000/REEL/BOX 1000/REEL/BOX REV. 05/16 "Trimpot" is a registered trademark of Bourns, Inc. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 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