Features n Single Turn / Cermet / Industrial / Sealed n RoHS compliant* version available n Available on tape and reel n For trimmer applications/processing guidelines, click here n Available with a knob for finger adjust n Available with extended shaft n Available with cross-slot rotor n Top and side adjust types (F, P, H, W, X most popular) Electrical Characteristics Standard Resistance Range .......................10 ohms to 2 megohms (see standard resistance table) Resistance Tolerance............ 10 % std. (tighter tolerance available) Absolute Minimum Resistance ........................................ 2 ohms max. Contact Resistance Variation ............................ 2 % or 3 ohms max. (whichever is greater) Adjustability Voltage Divider....................... 0.05 % Rheostat................................. 0.15 % Resolution.................................... Infinite Insulation Resistance................ 500 vdc. 1,000 megohms min. Dielectric Strength Sea Level................................ 900 vac 70,000 Feet............................. 350 vac Adjustment Angle.................. 280 nom. Environmental Characteristics Power Rating (300 volts max.) 85 C....................................... 0.5 watt 125 C........................................ 0 watt Temperature Range.... -55 C to +125 C Temperature Coefficient.... 100 ppm/C Seal Test.......................85 C Fluorinert Humidity........MIL-STD-202 Method 103 96 hours (2 % TR, 10 Megohms min.) Vibration........ 30 G (1 % TR; 1 % VR) Shock.......... 100 G (1 % TR; 1 % VR) Load Life... 1,000 hours 0.5 watt @ 70 C (3 % TR; 3 % or 3 ohms, whichever is greater, CRV) Rotational Life........................200 cycles (4 % TR; 3 % or 3 ohms, whichever is greater, CRV) Physical Characteristics Mechanical Angle.................. 310 nom. Torque.............................. 5.0 oz-in. max. Stop Strength................ 15.0 oz -in. min. Terminals........................Solderable pins Weight........................................ 0.03 oz. Marking............................ Manufacturer's trademark, resistance code, wiring diagram, date code, manufacturer's model number and style Flammability...........................U.L. 94V-0 Standard Packaging......50 pcs. per tube Wiper................ 50 % (Actual TR) 10 % Adjustment Tool...............................H-90 WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov 3386 - 3/8 Square Trimpot(R) Trimming Potentiometer Product Dimensions Common Dimensions Side Adjust Models B,C,J,X Common Dimensions Side Adjust Models H,S,W ADJ. SLOT .76 WIDE (.030) X .76 DEEP (.030) 3.15 X LONG (.124) .38 MIN. (.015) ADJ. SLOT .76 WIDE (.030) X .76 DEEP (.030) 3.15 X LONG (.124) .38 MIN. (.015) 9.53 (.375) 9.53 (.375) 5.33 (.210) .51 .05 DIA. PINS (.020 .002) 5.97 .89 (.235 .035) 4.83 (.190) 3386B 3 2 2 3 2 2 3 2.54 (.100) 2.54 (.100) 2 3 2.54 (.100) 2.54 (.100) 1.40 .25 (.055 .010) 3386S 1 2 2.44 (.096) 3386W 1 3.81 (.150) 3.81 (.150) 2.54 (.100) 1.40 .25 (.055 .010) 3386H 2.54 (.100) 2.44 (.096) 3386X 5.97 .89 (.235 .035) 3 1 3.56 .25 (.140 .010) 2.54 (.100) 3386J 5.64 (.222) .51 .05 DIA. PINS (.020 .002) 1 3.81 (.150) 3.81 (.150) 3 9.53 (.375) 1 3.56 .25 (.140 .010) 3386C 9.53 (.375) 1 2.54 (.100) Standard Resistance Table ResistanceResistance (Ohms) Code 10100 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 50,000 503 100,000 104 200,000 204 250,000 254 500,000 504 1,000,000 105 2,000,000 205 Popular distribution resistance values listed in boldface. Special resistances available. *RoHS Directive 2015/863, Mar. 31, 2015 and Annex 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. 3.81 (.150) 3.81 (.150) 1 2.44 (.096) 2 3 2.54 (.100) 2.54 (.100) MM DIMENSIONS: (INCHES) 0.25 TOLERANCES: EXCEPT WHERE NOTED (.010) How To Order 3386 P - 1 - 103 T __ LF Model Style Standard or Modified Product Indicator -1 = Standard Product -EY5 = Extended Shaft Resistance Code Optional Suffix Letter T = Knob** Packaging Designator Blank = Tube (Standard) R = Tape & Reel (W and U Pin Styles Only) A = Ammo Pack (W and U Pin Styles Only) Tape and reel material meets Antistatic ANSI/ ESD 5541-2003 packaging standards. Terminations LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated (Standard) **Knob option is available only in standard tube packaging. Not recommended for side load applications. Consult factory for other available options. "Fluorinert" is a registered trademark of 3M Co. "Trimpot" is a trademark of Bourns, Inc. 3386 - 3/8 Square Trimpot(R) Trimming Potentiometer Product Dimensions Common Dimensions Top Adjust Models F,G,K,P,R,U,V,Y ADJ. SLOT .76 WIDE (.030) X .76 DEEP (.030) X 3.15 LONG (.124) 3386U 9.53 (.375) 2.54 (.100) 2.54 (.100) 5.97 .89 (.235 .035) 3 2 1 4.83 (.190) 9.53 (.375) .51 .05 (.020 .002) 3386F 3 5.08 (.200) 3386Y 1 2 1 2 2.54 (.100) 2.54 (.100) 5.64 (.222) 2.54 (.100) 3.56 (.140) 2.54 (.100) 2 3 1.40 (.055) 1 7.87 (.310) 2.54 (.100) 2.54 (.100) 3386P-EY5 2.54 (.100) 2.34 .38 (.092 .015) ADJ. SLOT .81 WIDE (.032) 2.54 X DEEP (.100) X 3.56 LONG (.140) 3 1.40 (.055) 3.56 .25 (.140 .010) 2.54 (.100) 2.54 (.100) 4.78 .38 (.188 .015) 2.54 (.100) 3386V .38 MIN. (.015) 5.64 (.222) 3386H-EY5 3386X-EY5 - SHOWN 3.56 (.140) 2 3386G ADJ. SLOT .76 WIDE (.030) X .97 DEEP (.038) X 3.05 LONG (.120) COMMON TO 3386V 3 1 3 2.54 (.100) 2.54 (.100) 3386K 2.54 .25 2 PLCS. (.100 .010) 3.05 .38 (.120 .015) 10.16 (0.40) ADJ. SLOT .76 WIDE (.030) X .76 DEEP (.030) X 3.15 LONG (.124) 2 5.97 .89 (.235 .035) 9.53 (.375) 4.83 (.190) 3386P 2.54 (.100) 2.54 (.100) 4.78 .38 (.188 .015) 3 The Model 3386 is available with a knob for finger adjustment. Add suffix letter "T" to order code for F, P and X terminal styles. .38 MIN. (.015) 5.59 (.220) 8.38 (.330) 4.83 (.190) 1 2 3.81 (.150) 3.81 (.150) 2 3386T CCW ADJ. SLOT 5.59 LONG (.220) 1.02 WIDE X (.040) 1.40 DEEP X (.055) 6.60 (.260) 10.41 .51 (.410 .020) 3 1 2 2.54 (.100) 1 2 .51 .05 (.020 .002) 3386M 90 3 2.54 (.100) 3 5.33 (.210) 1 2.54 (.100) 2.54 (.100) 4.78 (.188) Common Dimensions Top Adjust Models M,T 9.53 (.375) 3 7.87 (.310) 5.08 (.200) 3.05 .38 (.120 .015) 3.56 0.25 (.140 .010) 2 1 WIPER 3 1 CW CLOCKWISE 3.81 (.150) 3.81 (.150) 3386R 1.22 .25 (.048 .010) 3 1 2 3 2.54 (.100) .76 .38 (.030 .015) 2.54 (.100) MM DIMENSIONS: (INCHES) 0.25 TOLERANCES: EXCEPT WHERE NOTED (.010) 2 1 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. 3.81.71 (.15.028) 2 1 3 8.89+.76/-.50 (.350+.030/-.020) 4.00.3 (.157.012) DIA. 18+1.0/-0.5 (.709+.040/-.020) 12.70+.30/-0.25 (.500+.012/-.010) 4.83.25 (.190.010) 2.44.25 (.096.010) 2.54 ALLPINSIN-LINEONCENTER (.100) (R) MM DIMENSIONS: (INCHES) 3386 - 3/8 Square Trimpot Trimming Potentiometer .51.05 (.020.002) DIA.TYP. 1000/REEL/BOX Packaging Specifications SIDE ADJUST 3386W-1 TOP ADJUST 3386U-1 27.56.76 (1.085.030) 22.98.076 (.905.030) 12.70 REF. (.500) 18.76 (.709.030) 3.81.71 (.15.028) 2 1 10.16 MIN. (.400) 12.70 REF. (.500) 18.030.7 (.710.030) 3 1 3 8.89+.76/-.50 (.350+.030/-.020) 4.00.3 (.157.012) DIA. 18+1.0/-0.5 (.709+.040/-.020) 8.890.7 (.350.028) 3.990.3 DIA. (.157.012) 18.031.5 (.710.060) 3.810.3 (.150.028) 12.70.3 (.500.012) 12.70+.30/-0.25 (.500+.012/-.010) 4.83.25 (.190.010) 9.53 (.375) 4.78 (.188) 2.44.25 (.096.010) 2.54 ALLPINSIN-LINEONCENTER (.100) MM DIMENSIONS: (INCHES) .51.05 (.020.002) DIA.TYP. 1000/REEL/BOX 2.54 ALLPINSIN-LINEONCENTER (.100) MM DIMENSIONS: (INCHES) 1000/REEL/BOX TOP ADJUST 3386U-1 22.98.076 (.905.030) Meets EIA Specification 468. 8.890.7 (.350.028) 10.16 MIN. (.400) 18.031.5 (.710.060) 3.810.3 (.150.028) 12.70 REF. DIMENSIONS: (.500) 18.030.7 (.710.030) 3 MM (INCHES) 1 3.990.3 DIA. (.157.012) 12.70.3 (.500.012) 9.53 (.375) 4.78 Asia-Pacific: Tel: +886-2 2562-4117 * Email: asiacus@bourns.com (.188) Europe: Tel: +36 88 885 877 * Email: eurocus@bourns.com 2.54 ALLPINSIN-LINEONCENTER (.100) The Americas: Tel: +1-951 781-5500 * Email: americus@bourns.com MM DIMENSIONS: (INCHES) www.bourns.com 1000/REEL/BOX REV. 08/19 "Trimpot" is a registered trademark of Bourns, Inc. 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(R) products manufactured by or on behalf of Bourns, Inc. and P[ZHSPH[LZJVSSLJ[P]LS)V\YUZ Unless otherwise expressly indicated in writing, Bourns(R) products and data sheets relating thereto are subject to change ^P[OV\[UV[PJL<ZLYZZOV\SKJOLJRMVYHUKVI[HPU[OLSH[LZ[YLSL]HU[PUMVYTH[PVUHUK]LYPM[OH[Z\JOPUMVYTH[PVUPZJ\YYLU[ and complete before placing orders for Bourns(R) products. The characteristics and parameters of a Bourns(R) product set forth in its data sheet are based on laboratory conditions, and statements regarding the suitability of products for certain types of applications are based on Bourns' knowledge of typical requirements in generic applications. 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