*R oH VE S CO AV R M AI SIO PL LA N IA BL S NT E Features ■ Stable, infinite resolution cermet element ■ Vertical and horizontal adjust styles ■ Optional packaging on embossed tape ■ Compatible with surface mount manufacturing processes ■ RoHS compliant* - see processing information on RoHS compliant surface mount trimmers ■ For trimmer applications/processing guidelines, click here 3269 - 1/4 ” Square SMD Trimpot® Trimming Potentiometer Electrical Characteristics Standard Resistance Range ........................10 ohms to 1 megohm (see standard resistance table) Resistance Tolerance ........... ±10 % std. (closer tolerance available) Absolute Minimum Resistance ........................... 1 % or 2 ohms max. (whichever is greater) Contact Resistance Variation ........................ 3.0 % or 3 ohms max. (whichever is greater) Adjustability Voltage Divider ...................... ±0.02 % Rheostat ................................ ±0.05 % Resolution ................................... Infinite Insulation Resistance ............... 500 vdc. 1,000 megohms min. Dielectric Strength Sea Level................................ 600 vac 80,000 Feet ............................ 250 vac Effective Travel .................12 turns nom. Environmental Characteristics Power Rating (300 volts max.) 85 °C .................................... 0.25 watt 150 °C ....................................... 0 watt Temperature Range ... -65 °C to +150 °C Temperature Coefficient ... ±100 ppm/°C Seal Test ......................85 °C Fluorinert† Humidity .......MIL-STD-202 Method 106 (2 % ΔTR; IR 100 Megohms) Vibration ....... 30 G (1 % ΔTR; 1 % ΔVR) Shock ......... 100 G (1 % ΔTR; 1 % ΔVR) Load Life .. 1,000 hours 0.25 watt @ 85 °C (3 % ΔTR; 3 % or 3 ohms whichever is greater, CRV) Rotational Life .......................200 cycles (2 % ΔTR; 3 % or 3 ohms, whichever is greater, CRV) Physical Characteristics Torque............................. 2.5 oz-in. max. Mechanical Stops ................. Wiper idles Terminals .......................Solderable pins Weight ..................................... 0.015 oz. Marking........................... Manufacturer’s trademark, resistance code, wiring diagram, date code, manufacturer’s model number and style Standard Packaging .....50 pcs. per tube Adjustment Tool..............................H-90 Wiper ............... 50 % (Actual TR) ±10 % 2 Product Dimensions 3269P Common Dimensions CCW 6.35 ± .51 (.250 ± .020) 1.02 (.040) TYP 3 PLCS. 2.54 (.100) TYP. 3 PLCS. 2.54 (.100) 3 2 1 1.52 ± .38 (.060 ± .015) 5.21 ± 0.63 (.205 ± .025) .46 ± .03 (.018 ± .001) DIA. TYP. 3 2 4.32 (.170) 2.29 TYP. (.09) 3 PLCS. 2.54 (.100) 1.52 ± .38 (.060 ± .015) 1.02 (.040) EXCEPT WHERE NOTED How To Order 3269 X - 1 - 103 G LF Model 7.44 (.293) 2.29 (.090) TYP. 3 PLCS. 2 3 RECOMMENDED PCB LAYOUT - "P" Standard or Modified Product Indicator For P pin style: -1 = Terminals #1 & #3 away from sprocket holes 1 RECOMMENDED PCB LAYOUT - "W" & "X" 1.19 TYP. (.047) 9.70 (.382) 7.62 (.300) Embossed Tape Designator G = Embossed Tape “P” Style - 750 pcs./13 ˝ reel “W, X” Style - 500 pcs./13 ˝ reel Terminations LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated (Standard) Standard Resistance Table 1.02 (.040) 2.54 (.100) 2.54 (.100) 0.25 (.010) Resistance Code 1.02 (.040) 1.02 (.040) 3269X TOLERANCES: ± MM (INCHES) For W & X pin styles: -1 = Terminals #1 & #3 toward sprocket holes TYP 2.54 (.100) DIMENSIONS: For P, W & X pin styles: -11 = ±5 % TR 1.02 (.040) 6.35 ± .51 (.250 ± .020) SQ. 7.44 (.293) CW CLOCKWISE Style 2.54 (.100) .46 ± .03 (.018 ± .001) DIA. TYP. 1 1.52 ± .38 (.060 ± .015) 3269W 3 1 ADJ. SLOT 1.78 DIA. X .51 WIDE X .51 DEEP (.020) (.020) (.070) 1.02 (.040) WIPER 2.79 (.110) TYP. 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 Popular distribution values listed in boldface. Special resistances available. *RoHS Directive 2002/95/EC Jan. 27, 2003 including 3.30 annex and RoHS Recast 2011/65/EU June 8, 2011. 2.54 2.54 1.19 (.130) TYP. †“Fluorinert” is a registered trademark of 3M Co. (.100) (.100) (.047) TYP. Specifications 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 specific applications. 3269 - Packaging Specifications Packaging Specifications (P Style) (W & X Styles) EMBOSSED CARRIER TAPE EMBOSSED CARRIER TAPE COVER TAPE COVER TAPE 7.50 ± .10 (.295 ± .004) 7.50 ± .10 (.295 ± .004) DIA. 1.5 + .10/ –.00 (.059 + .004/ –.000) 4.00 ± .01 (.157 ± .004) DIA. 1.5 + .10/ –.00 (.059 + .004/ –.000) 4.00 ± .01 (.157 ± .004) 2.00 ± .05 (.079 ± .002) 2.00 ± .05 (.079 ± .002) 12.00 ± .10 (.472 ± .004) 12.00 ± .10 (.472 ± .004) 1.75 ± .10 (.069 ± .004) 1.75 ± .10 (.069 ± .004) 16.0 ± .10 (.630 ± .004) 16.0 ± .10 (.630 ± .004) TAPE 1.78 ± .25 (.070 ± .010) 1.78 ± .25 (.070 ± .010) TAPE EQUAL SPACED 3 PLCS. 18.69 ± .79 DIA. (.736 ± .031) EQUAL SPACED 3 PLCS. 13.0 ± .51 (.512 ± .020) DIA. 18.69 ± .79 DIA. (.736 ± .031) 13.0 ± .51 (.512 ± .020) DIA. 99.06 ± 1.02 (3.90 ± .040) 99.06 ± 1.02 (3.90 ± .040) 330.2 ± 5.08 DIA. (13.000 ± .200) REEL 330.2 ± 5.08 DIA. (13.000 ± .200) REEL 16.51+ 2.03/ -.000 (.650 + .080/ -.000) 16.51+ 2.03/ -.000 (.650 + .080/ -.000) -1 as shown meets EIA Specification 481. Units packaged 750 pieces per reel. -2 as shown meets EIA Specification 481. Units packaged 500 pieces per reel. REV. 05/13 “Trimpot” is a registered trademark of Bourns, Inc. Specifications 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 specific applications.