3260W-1-203

Features n Multiturn / Wirewound / Industrial / Sealed n Listed on the QPL for style RT26 per MIL-R-27208 n RoHS compliant* n For trimmer applications/processing guidelines, click here Electrical Characteristics Standard Resistance Range ................................... 10 to 25K ohms (see standard resistance table) Resistance Tolerance.............. ±5 % std. (tighter tolerance available) Absolute Minimum Resistance ........................... 0.1 % or 1 ohm max. (whichever is greater) Noise......................100 ohms ENR max. Resolution.............. See resistance table Insulation Resistance................ 500 vdc. 1,000 megohms min. Dielectric Strength Sea Level................................ 600 vac 80,000 Feet............................. 250 vac Adjustment Angle..............11 turns nom. Environmental Characteristics Power Rating 85 °C..................................... 0.25 watt 150 °C........................................ 0 watt Temperature Range.... -65 °C to +150 °C Temperature Coefficient...... ±70 ppm/°C Seal Test.......................85 °C Fluorinert† Humidity........MIL-STD-202 Method 106 (2 % ΔTR, 100 Megohms IR) Vibration.................. 30 G (1 % ΔTR; 1% + resolution ΔVR) Shock............................................ 100 G (1 % ΔTR; 1 % + resolution ΔVR) Load Life.1,000 hours 0.25 watt @ 85 °C (2 % ΔTR; 500 ohms ENR) Rotational Life........................200 cycles (2 % ΔTR; 500 ohms ENR) Physical Characteristics Torque.............................. 3.0 oz-in. max. Mechanical Stops.................. Wiper idles Terminals.Solderable printed circuit pins Weight...................................... 0.015 oz. Marking..........Manufacturer’s trademark, resistance code, wiring diagram, date code, manufacturer’s model number and style Wiper................ 50 % (Actual TR) ±10 % Flammability.............................UL 94V-0 Standard Packaging......50 pcs. per tube Adjustment Tool...............................H-90 3260 - 1/4 ˝ Square Trimpot® Trimming Potentiometer Product Dimensions How To Order 3260H Common Dimensions Model 6.35 ± .51 (.250 ± .020) Style .89 (.035) Standard or Modified Product Indicator -1 = Standard Product 1 2 3 6.35 ± .51 (.250 ± .020) 4.78 ± .38 (.188 ± .015) .76 (.030) 2.54 (.100) 2.54 (.100) 4.32 ± .38 (.170 ± .015) 1.27 (.050) 1.27 (.050) ADJ. SLOT 1.78 DIA. (.070) .51 WIDE X (.020) .51 DEEP X (.020) .41 ± .03 DIA. (.016 ± .001) 3260W Resistance Code Consult factory for other available options. Standard Resistance Table 2.54 (.100) 1.02 ± .38 (.040 ± .015) 3260 H - 1 - 502 Resistance Resistance (Ohms) Code 10 100 20 200 50 500 100 101 200 201 500 501 1,000 102 2,000 202 5,000 502 10,000 103 20,000 203 25,000 253 Nominal Resolution (Percent) 1.90 1.50 1.23 1.00 0.94 0.58 0.50 0.45 0.34 0.29 0.28 0.23 Popular values listed in boldface. Special resistances available. 1.27 (.050) 1 2 3 6.35 ± .51 (.250 ± .020) 4.32 ± .38 (.170 ± .015) 1.27 (.050) .89 (.035) 2 CCW WIPER 3 1 CW CLOCKWISE MM DIMENSIONS: (INCHES) 0.25 TOLERANCES: ± EXCEPT WHERE NOTED (.010) REV. 08/19 WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov * RoHS Directive 2015/863, Mar. 31, 2015 and Annex “Trimpot” is a trademark of Bourns, Inc. †“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.