For technical assistance call the Trimmer Products number on the back cover. Standard Resistance Range sacetessuteovseeeseeeereeedenseesae 10 to 1 megohm (see standard resistance table) Resistance Tolerance ............. +10% sid. Absolute Minimum Resistance leet vaneereneerseneesaateeseee 1% or 2 ohms max. (whichever is greater) Contact Resistance Variation seveeneseneetseeeeeeneesanee 3.0% or 3 ohms max. (whichever is greater) Adjustablility A (o)| to | ane +0.02% Resistance. ...0.05% RESOLUTION... ccceccecssessssensssceeeeee Infinite Insulation Resistance .........00.... 500 vde. 1,000 megohms min. Dielectric Strength Sea LeVEl ......ececceseceseceseeessees 600 vac ower Rating (300 volts max. x.) TOPS Leeeececssesecseeseceesssersuseseseees 0.25 watt V5OP eee ceceeeeeeteeeeseesennerees 0 watt Temperature Range......-55C to +150C Temperature Coefficient .....4100ppm/C Seal Test ...... cece 85C Fluorinert* Humidity........ MIL-STD-202 Method 103 96 hours (2% ATR, 10 Megohms IR) Vibration........0... 30G (1% ATR: 1% AVR) Shock... 100G (1% ATR; 1% AVR) Load Life ....1,000 hours 0.25 watt 70C (8% ATR; 3% CRV) Rotational Life... eee 200 cycles (4% ATR; 3% or 3 ohms, whichever is greater, CRV) Mechanical Stops..... Terminals ........ecceee Solderable pins WEIN oo. eeceeecetsecesetseceteeseeeeans 0.015 oz Marking wee eeccecessesssseeseres Manufacturer's trademark, resistance code, wiring diagram, date code, manufacturers model number and style Wiper ........... Positioned at 50% nominal Flammability ...........ccccceceen U.L. 94V-0 Standard Packaging .....50 pcs. per tube Adjustment Tool ........ccccssssecesseees H-90 *"FLUORINERT IS A REGISTERED TRADEMARK OF 3M CO. 20 D Features m Multiturn / Cermet / Industrial / Sealed m Standoffs allow thorough PC board washing @ Tape and reel packaging available (see page 63 for details) m Patent #4427966 drive mechanism 3266W Common Dimensions 1.52 + 38+ (0604-075) ag ag cee (a5 TYP.* [7 ADJ. SLOT > 478, 4.32 + 38+ - (070 DIA. (170 +015) 6854.51 (270+ .020) ' 38 A784 38* (188 #015) Em _ 46.03 UL + pee / wm WIDE X (995) DEEP a 3266P 26 Pdf 4.324 38 (1704 .015) 3266X *Common dimensions TOLERANCES: + 0.25 (.010) EXCEPT WHERE NOTED METRIC DIMENSIONS ARE: 2_ si0 (INCHES) 3266 W- 1- 103 Model Style Standard or Modified Product Indicator -1= Standard Product Resistance Code Consult factory for other available options. 21F BM 1556573 0001511 O9b om 3266 - 1/4 Square Trimming Potentiometer 1,52 + .38* 6.35 (080 +..015) (250) 3266Y 4.32 (170) f 1.02 (040) _| 3 _| a ) 6.85 +51 (270+ 020), ee 0.38 yin, (015) 2.54 2 conf ee es { jae 2.18 er) $2662 50 + 38" 6.85 +.51 (060+.015) | |~ | (270.020) 4.32 0 1.0240.25 (470) IE (040+ 010) 1.02 a (040 (040) | Pog \ (o15)MIN E102 t (.049} | 6.854.514 (.270 + 020) Gan agg_ (100) r 254 (170) (100) i bed ae 3.18 , (.085 8 (126) WIPER ccw cw CLOCKWISE Resistance (Ohms) Code Popular values listed in boldface. Special resistances available. SHADED AREAS TYPICALLY NOT STOCKED BY DISTRIBUTORS AND NOT RECOMMENDED FOR NEW Specifications are subject to change without notice.