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Technical content
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 *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. Specifi 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 specifi c applications.
Electrical Characteristics
(see standard resistance table) Absolute Minimum Resistance (whichever is greater) Contact Resistance Variation (whichever is greater) Adjustability 1,000 megohms min. Dielectric Strength Environmental Characteristics Power Rating (300 volts max.) Temperature Range ... -55 °C to +125 °C Temperature Coeffi cient ... ±100 ppm/°C 96 hours (2 % ΔTR, 10 Megohms IR) Load Life ...1,000 hours 0.25 watt 70 °C (3 % ΔTR; 3 % CRV) (4 % ΔTR; 3 % or 3 ohms, whichever is greater, CRV) Physical Characteristics trademark, resistance code, wiring diagram, date code, manufacturer’s model number and style Product Dimensions 1 3 CW CLOCKWISE CCW
2 WIPER
3266 W - 1 - 103 __ LF
Standard or Modifi ed Product Indicator -1 = Standard Product Resistance Code Packaging Designator Blank = Tube (Standard) R = Tape and Reel (Z and Y Pin Styles Only) A = Ammo Pack (Z and Y Pin Styles Only) Terminations LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated (Standard) Consult factory for other available options. TOLERANCES: ± 0.25 EXCEPT WHERE NOTED (.010) DIMENSIONS: MM (INCHES) **Common dimensions *RoHS COMPLIANT
“Trimpot” is a registered trademark of Bourns, Inc. Specifi 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 specifi c applications. 3266 - 1/4 ” Square Trimpot ® Trimming Potentiometer 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 Popular distribution resistance values listed in boldface. Special resistances available. Packaging Specifi cations SIDE ADJUST 3266Z-1 12.70 (.500) 18 ± .76 (.709 ± .030) 12.7 +0.3/-0.25 18 +1.0/-0.5 (709 +.040/-.020) 24.9 ± .76 (.980 ± .030) 4.0 ± .03 (.157 ± .001) 4.01 ± .71 (.158 ± .028) 4.32 ± .38 (.170 ± .015) 2.16 ± .25 (.085 ± .010) .43 ± .05 (.017 ± .002) 8.9 +.76 /- 0.5 (.035 +.030/-.020) REF. DIA. DIA. TYP.ALL PINS IN-LINE ON CENTER DIMENSIONS: 1000/REEL/BOX 2.54 (.100) MM (INCHES) TOP ADJUST 3266Y-1 12.70 (.500) 18 ± .76 (.709 ± .030) 4.0 ± .03 (.157 ± .001) 4.01 ± .71 (.158 ± .028) 23 25.9 ± 0.76 (1.020 ± .030) 18 +1.0/-0.5 (709 +.040/-.020) 12.7 +0.3/-0.25 (.500 +.012/-.010) 4.32 ± .38 (.170 ± .015) 2.16 ± .25 (.085 ± .010) REF. DIA. 8.9 +.76 /-.5 (.035 +.030/-.020) ALL PINS IN-LINE ON CENTER DIMENSIONS: 1000/REEL/BOX 2.54 (.100) MM (INCHES) Meets EIA Specifi cation 468. DIMENSIONS: MM (INCHES) REV. 05/13