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) 3386 - 3/8 Square Trimpot Trimming Potentiometer Electrical Characteristics Product Dimensions Common Dimensions Common Dimensions Standard Resistance Range Side Adjust Models B,C,J,X Side Adjust Models H,S,W ......................10 ohms to 2 megohms ADJ. SLOT ADJ. SLOT (see standard resistance table) .76 .76 WIDE WIDE Resistance Tolerance ........... 10 % std. (.030) (.030) 9.53 .76 .76 (tighter tolerance available) 9.53 X DEEP X DEEP (.375) (.030) (.030) (.375) Absolute Minimum Resistance 3.15 3.15 X LONG X LONG ....................................... 2 ohms max. (.124) (.124) 9.53 9.53 .38 .38 Contact Resistance Variation MIN. MIN. (.375) (.375) (.015) (.015) ........................... 2 % or 3 ohms max. (whichever is greater) 5.33 5.64 Adjustability (.210) (.222) Voltage Divider ...................... 0.05 % 5.97 .89 5.97 .89 .51 .05 .51 .05 DIA. PINS DIA. PINS (.235 .035) (.235 .035) Rheostat ................................ 0.15 % (.020 .002) (.020 .002) Resolution ................................... Infinite 2.54 4.83 3386H 3386B Insulation Resistance ...............500 vdc. (.100) 2 (.190) 1,000 megohms min. 32 1 13 Dielectric Strength 2.54 3.56 .25 1.40 .25 Sea Level................................ 900 vac 3.81 (.100) (.140 .010) (.055 .010) (.150) 2.54 70,000 Feet ............................ 350 vac 3.81 (.100) Adjustment Angle ................. 280 nom. (.150) 12 3 3386S Environmental Characteristics 3386C 32 1 Power Rating (300 volts max.) 2.44 3.81 3.56 .25 85 C ......................................0.5 watt (.096) (.150) (.140 .010) 2.54 125 C .......................................0 watt 3.81 (.100) 2.54 (.150) Temperature Range ...-55 C to +125 C (.100) Temperature Coefficient ... 100 ppm/C 12 3 32 1 3386W 3386J Seal Test ......................85 C Fluorinert Humidity .......MIL-STD-202 Method 103 2.44 2.54 2.44 96 hours 3.81 (.096) (.100) (.096) (.150) (2 % TR, 10 Megohms min.) 3.81 2.54 Vibration ....... 30 G (1 % TR 1 % VR) (.150) (.100) Shock ......... 100 G (1 % TR 1 % VR) 2.54 3386X MM Load Life ..1,000 hours 0.5 watt 70 C DIMENSIONS: (.100) 2 (INCHES) (3 % TR 3 % or 3 ohms, 31 0.25 whichever is greater, CRV) TOLERANCES: EXCEPT WHERE NOTED 2.54 (.010) 1.40 .25 Rotational Life .......................200 cycles (.100) (.055 .010) 2.54 (4 % TR 3 % or 3 ohms, (.100) How To Order whichever is greater, CRV) 3386 P - 1 - 103 T LF Standard Resistance Table Physical Characteristics Model Resistance Resistance Style Mechanical Angle ................. 310 nom. (Ohms) Code Standard or Modified Torque .............................5.0 oz-in. max. 10 100 Product Indicator 20 200 Stop Strength ...............15.0 oz -in. min. -1 = Standard Product 50 500 -EY5 = Extended Shaft Terminals .......................Solderable pins 100 101 200 201 Resistance Code Weight ....................................... 0.03 oz. 500 501 Optional Suffix Letter Marking ...........................Manufacturers 1,000 102 T = Knob** 2,000 202 trademark, resistance code, Packaging Designator 5,000 502 wiring diagram, date code, 10,000 103 Blank = Tube (Standard) manufacturers model 20,000 203 R = Tape & Reel (W and U Pin Styles Only) 25,000 253 A = Ammo Pack (W and U Pin Styles Only) number and style 50,000 503 Tape and reel material meets Antistatic ANSI/ Flammability ..........................U.L. 94V-0 100,000 104 ESD 5541-2003 packaging standards. 200,000 204 Standard Packaging .....50 pcs. per tube 250,000 254 Terminations Wiper ...............50 % (Actual TR) 10 % 500,000 504 LF = 100 % Tin-plated (RoHS compliant) 1,000,000 105 Adjustment Tool ..............................H-90 Blank = 90 % Tin / 10 % Lead-plated 2,000,000 205 (Standard) Popular distribution resistance values listed in **Knob option is available only in standard tube WARNING boldface. Special resistances available. packaging. Not recommended for side load Cancer and Reproductive Harm applications. www.P65Warnings.ca.gov *RoHS Directive 2015/863, Mar. 31, 2015 and Annex Consult factory for other available options. Specifications are subject to change without notice. Users should verify actual device performance in their specific Fluorinert is a registered trademark of 3M Co. 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. Trimpot is a trademark of Bourns, Inc. 3386 - 3/8 Square Trimpot Trimming Potentiometer Product Dimensions Common Dimensions 3386H-EY5 2.54 Top Adjust Models F,G,K,P,R,U,V,Y 3386X-EY5 SHOWN 3386U (.100) 2.54 ADJ. SLOT ADJ. SLOT (.100) .76 .81 WIDE WIDE (.030) (.032) 9.53 5.97 .89 .76 2.54 X DEEP X DEEP (.375) (.235 .035) (.030) 32 1 4.78 .38 (.100) 3.15 4.83 (.188 .015) 3.56 X LONG X LONG (.124) (.190) (.140) 9.53 2.54 3386V (.375) (.100) 12 3 .51 .05 (.020 .002) 3.56 .38 (.140) 2.54 5.64 MIN. 2.54 (.015) 1.40 (.100) (.222) (.100) 2 (.055) 2.54 31 5.64 (.100) 7.87 3386F (.222) 1.40 2.54 3.56 .25 (.310) 2.54 (.055) (.100) (.140 .010) 2.54 (.100) 2.54 (.100) (.100) 3386Y 31 2.54 3386P-EY5 2 3.56 (.100) 5.08 2.54 (.140) (.200) 2.34 .38 (.100) (.092 .015) 2 3386G 7.87 31 5.08 (.310) ADJ. SLOT (.200) 3.05 .38 .76 3.56 0.25 2.54 WIDE 2 (.120 .015) (.030) (.140 .010) (.100) .97 X DEEP 4.78 2.54 (.038) (.188) (.100) Common Dimensions 3.05 1 3 X LONG Top Adjust Models M,T (.120) 3 1 10.16 2.54 (0.40) ADJ. SLOT COMMON TO (.100) 2 .76 3386V 2.54 2.54 WIDE (.030) (.100) (.100) 9.53 5.97 .89 .76 X DEEP (.375) (.235 .035) (.030) 3.15 The Model 3386 is available with a knob for finger 4.83 X LONG 3386K (.124) adjustment. Add suffix letter to order code for (.190) 2.54 .25 F, P and X terminal styles. 2 PLCS. (.100 .010) ADJ. SLOT 9.53 3.05 .38 5.59 (.375) .51 .05 LONG (.120 .015) (.220) (.020 .002) 1.02 2 .38 5.59 8.38 WIDE 5.33 X MIN. (.040) (.015) (.220) (.330) (.210) 1.40 DEEP 31 4.83 X (.055) (.190) 3386M 90 3 3386P 2.54 10.41 .51 6.60 (.100) 132 (.410 .020) (.260) 4.78 .38 2.54 3.81 (.188 .015) (.100) (.150) 3.81 3 1 (.150) WIPER 2 2 2.54 3386T CCW CW (.100) 1 3 CLOCKWISE .76 .38 3.81 12 3 (.030 .015) 3386R MM (.150) DIMENSIONS: 2.54 (INCHES) 3.81 (.100) (.150) 2.54 0.25 TOLERANCES: EXCEPT WHERE NOTED (.100) (.010) 1.22 .25 (.048 .010) 312 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.