3250W-66-202

Features n Multiturn / Wirewound / Sealed n Listed on the QPL for style RT22 per MIL-R-27208 and RTR22 per High-Rel MIL-R-39015 n Panel mount option available n RoHS compliant* Electrical Characteristics Standard Resistance Range ................................... 10 to 50K 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............................. 1,000 vac 80,000 Feet............................. 400 vac Adjustment Travel..............25 turns nom. Environmental Characteristics Power Rating @ 85 °C................ 1.0 watt Power Rating @ 150 °C................. 0 watt Temperature Range.... -65 °C to +150 °C Temperature Coefficient...... ±50 ppm/°C Seal Test....................... 85 °C Fluorinert† (pin styles only) Humidity........MIL-STD-202 Method 106 (2 % DTR; 100 Megohms IR) Vibration.......................................... 30 G (1 % DTR; 0.5 % + resolution DVR) Shock............................................ 100 G (1 % DTR; 0.5 % + resolution DVR) Load Life ............. 1,000 hours 1.0 watt @ 85 °C (2 % DTR; 500 ohms ENR) Rotational Life........................200 cycles (2 % DTR; 500 ohms ENR) Physical Characteristics Torque.............................. 5.0 oz-in. max. Mechanical Stops.................. Wiper idles Terminals...Solderable printed circuit pins Flexible leads (7 strands of 30 AWG) Weight........................................ 0.06 oz. Machine Screw Mounting Torque........................... 12 oz-in. max. Marking..........Manufacturer’s trademark, resistance code, terminal numbers, date code, manufacturer’s model number and style Wiper................ 50 % (Actual TR) ±10 % Flammability...........................U.L. 94V-0 Standard Packaging P&W Styles................25 pcs. per tube L Style.........................25 pcs. per bag Adjustment Tool...............................H-90 n For trimmer applications/processing guidelines, click here 3250 - 1/2 ˝ Square Trimpot® Trimming Potentiometer Product Dimensions How To Order 3250P Common Dimensions (Pin Styles) Model 1.98 DIA. THRU (.078) (2 PLACES) ADJ. SLOT 1.91 ± .25 (.075 ± .01) DIA. .64 WIDE X (.025) .51 DEEP X (.020) 13.21 TYP. (.520) 12.7 TYP. (.500) .89 (.035) TYP. 2.54 (.100) 2.54 (.100) 6.35 (.250) 1.78 TYP. (.070) .71 ± .08 (.028 ± .003) DIA. TYP. 5.59 (.220) 3 12.7 (.500) TYP. 2 1 13.33 ± .64 (.525 ± .025) 2.54 (.100) 6.35 (.250) 3250W 2 2.79 (.110) 3 1 2.54 (.100) 6.35 2.54 (.250) (.100) 3250W-66 2 2.79 (.110) 3 1 3250 L - 1 - 103 M Style Standard or Modified Product Indicator -1 = Standard Product Resistance Code Optional Suffix Letter M = Panel Mount - Factory Installed (Only Available for L, W & X Terminal Styles) Consult factory for other available options. Standard Resistance Table Nominal Resistance Resistance Resolution (Ohms) Code (Percent) 10 100 1.30 20 200 1.00 50 500 0.80 100 101 0.90 200 201 0.70 500 501 0.60 1,000 102 0.40 2,000 202 0.30 5,000 502 0.25 10,000 103 0.19 20,000 203 0.16 25,000 253 0.14 50,000 503 0.13 Popular values listed in boldface. Special resistances available. RED 2.54 (.100) 2.54 (.100) 6.35 (.250) YELLOW CCW 3250L 13.21 TYP. (.520) 2 WIPER 3 1 CLOCKWISE GREEN CW MM DIMENSIONS: (INCHES) 0.25 TOLERANCES: ± EXCEPT WHERE NOTED (.010) 2.36 DIA. THRU (.093) (2 PLACES) .89 TYP. (.035) 12.70 TYP. (.500) 1.40 (.055) 4.75 (.187) WARNING Cancer and Reproductive Harm 152.4 LENGTH (6.00) MIN. www.P65Warnings.ca.gov REV. 08/19 1.52 (.060) TYP. 12.7 (.500) * 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. Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹ Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change ^P[OV\[UV[PJL