Features Multiturn / Cermet / Industrial / Sealed Standoffs allow thorough PC board washing Tape and reel packaging available RoHS compliant* version available For trimmer applications/processing guidelines, click here 3266 - 1/4 Square Trimpot Trimming Potentiometer Electrical Characteristics Product Dimensions Standard Resistance Range 3266W 3266Y 1.52 .38** Common Dimensions (.060 .015) ........................10 ohms to 1 megohm 6.35 .25 4.31 .38 1.27 .25** (.250 .010) (see standard resistance table) (.170 .015) (.050 .010) 6.71 .38 Resistance Tolerance ........... 10 % std. TYP. (.264 .015) Absolute Minimum Resistance ADJ. SLOT 1.02 1.78 ........................... 1 % or 2 ohms max. (.040) DIA. 1.02 .25 (.070) 4.50 .38** (whichever is greater) (.040 .010) .51 (.177 .015) X WIDE .38 Contact Resistance Variation (.020) MIN. 1.22 .25 (.015) .64 ........................ 3.0 % or 3 ohms max. 7.24 .51 12 3 (.048 .010) X DEEP TYP.** (.025) (.270 .020) (whichever is greater) 6.85 .51 .46 .13 Adjustability 4.88 .51** (.270 .020) (.018 .005) 12 3 2.54 (.192 .020) Voltage Divider ...................... 0.02 % (.100) 4.32 2.54 Rheostat ................................0.05 % .46 .03 (.170) DIA.** (.100) (.018 .001) Resolution ................................... In nite 2.54 Insulation Resistance ...............500 vdc. (.100) 2.54 3.18 2.16 1,000 megohms min. (.100) (.125) .76** (.085) 2.54 Dielectric Strength (.030) (.100) 3266Z Sea Level................................ 600 vac 1.52 .38** 80,000 Feet ............................ 250 vac 1.02 (.060 .015) (.040) E ective Travel .................12 turns nom. 3266P 4.31 .38 Environmental Characteristics 1.52 (.170 .015) 12 3 1.02 4.42 .51 Power Rating (300 volts max.) (.06) (.040) (.174 .020) 1.02 .25 70 C ....................................0.25 watt (.040 .010) 150 C .......................................0 watt 0.76 .25 0.38 1.02 .25 MIN. (.030 .010) Temperature Range ...-55 C to +125 C (.015) (.040 .010) 12 3 Temperature Coe cient ... 100 ppm/C Seal Test ......................85 C Fluorinert 6.85 .51 (.270 .020) Humidity .......MIL-STD-202 Method 103 2.54 .25 6.48 .51 2.54 (.100 .010) 96 hours (2 % TR, 10 Megohms IR) (.255 .020) (.100) 2.54 .25 4.32 2.54 Vibration ....... 30 G (1 % TR 1 % VR) (.100 .010) (.170) (.100) 2.54 .25 Shock ......... 100 G (1 % TR 1 % VR) (.100 .010) Load Life ...1,000 hours 0.25 watt 70 C 2.16 3.18 (3 % TR 3 % CRV) 3266X (.085) (.125) Rotational Life .......................200 cycles 1.52 .25 (4 % TR 3 % or 3 ohms, 1.02 (.060 .010) How To Order whichever is greater, CRV) (.040) 3266 W - 1 - 103 LF Physical Characteristics Model 1.01 .25 Torque .............................3.0 oz-in. max. 12 3 (.040 .010) Style Mechanical Stops .................Wiper idles .38 .25 MIN.** Standard or Modi ed Terminals .......................Solderable pins (.015 .010) 2.54 (.100) Product Indicator 2.54 Weight ..................................... 0.015 oz. (.100) -1 = Standard Product Marking ...........................Manufacturers .76 2.54 trademark, resistance code, (.030) Resistance Code (.100) wiring diagram, date code, Packaging Designator manufacturers model 1.02 Blank = Tube (Standard) number and style (.040) R = Tape and Reel (Z and Y Pin Styles Wiper ...............50 % (Actual TR) 10 % Only) **Common dimensions A = Ammo Pack (Z and Y Pin Styles Only) Flammability ..........................U.L. 94V-0 Standard Packaging .....50 pcs. per tube MM Terminations DIMENSIONS: Adjustment Tool ..............................H-90 (INCHES) LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated 0.25 TOLERANCES: EXCEPT WHERE NOTED (Standard) (.010) WIPER 2 Consult factory for other available options. CCW 3 CW 1 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. CLOCKWISE Fluorinert is a registered trademark of 3M Co. Speci cations 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 speci c applications. *RoHS COMPLIANT 3266 - 1/4 Square Trimpot Trimming Potentiometer Standard Resistance Table Packaging Speci cations SIDE ADJUST TOP ADJUST Resistance Resistance 3266Z-1 3266Y-1 (Ohms) Code 10 100 4.01 .71 4.01 .71 100 101 (.158 .028) (.158 .028) 12.70 200 201 REF. 12.70 24.9 .76 (.500) REF. 500 501 (.500) (.980 .030) 1,000 102 8.9 +.76 /-.5 2,000 202 (.035 +.030/-.020) 5,000 502 2 25.9 0.76 3 8.9 +.76 /- 0.5 1 10,000 103 (1.020 .030) 2 (.035 +.030/-.020) 3 1 20,000 203 25,000 253 50,000 503 18 .76 18 .76 100,000 104 (.709 .030) (.709 .030) 200,000 204 18 +1.0/-0.5 4.0 .03 250,000 254 4.0 .03 (709 +.040/-.020) (.157 .001) 18 +1.0/-0.5 (.157 .001) 500,000 504 DIA. 12.7 +0.3/-0.25 DIA. (709 +.040/-.020) 1,000,000 105 (.500 +.012/-.010) 12.7 +0.3/-0.25 Popular distribution resistance values listed in (.500 +.012/- .010) boldface. Special resistances available. 4.32 .38 4.32 .38 (.170 .015) (.170 .015) 2.16 .25 2.16 .25 (.085 .010) (.085 .010) 2.54 2.54 ALL PINS IN-LINE ON CENTER .43 .05 (.100) DIA. TYP. ALL PINS IN-LINE ON CENTER (.017 .002) (.100) MM DIMENSIONS: MM (INCHES) DIMENSIONS: (INCHES) 1000/REEL/BOX 1000/REEL/BOX Meets EIA Speci cation 468. MM DIMENSIONS: (INCHES) REV. 12/14 Trimpot is a registered trademark of Bourns, Inc. Speci cations 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 speci c applications.