*R oH VE S CO AV R M AI SIO PL LA N IA BL S NT E Features ■ ■ ■ ■ ■ Features Single Turn / Cermet / Industrial / Sealed Available on tape and reel Available with a knob for finger adjust Available with extended shaft Available with cross-slot rotor ■ ■ ■ Top and side adjust types (F, P, H, W, X most popular) High voltage types available (see Model 3386 HV2/3386 HV3 for details) RoHS compliant* version available 3386 - 3/8 ” Square Trimming Potentiometer Electrical Characteristics Standard Resistance Range ..................................10 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 ....................................±0.05 % Resistance ..............................±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; 1 % or 1 ohm, whichever is greater, CRV) Rotational Life ........................200 cycles (4 % ∆TR; 1 % or 1 ohm, 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 Common Dimensions Side Adjust 3386W 1 ADJ. SLOT .76 WIDE (.030) 5.33 (.210) .51 ± .05 DIA. PINS (.020 ± .002) 5.97 ± .89 (.235 ± .035) 3386B 2 2.54 (.100) 2.54 (.100) 3386X 2.54 (.100) 2 3 1.40 ± .38 (.055 ± .015) 4.83 (.190) 3 3 2.44 (.096) 9.53 9.53 (.375) (.375) X .76 DEEP (.030) X 3.15 LONG (.124) .38 MIN. (.015) 2 1 2.54 (.100) 2.54 (.100) 1 3.56 ± .38 (.140 ± .015) 3.81 (.150) 3.81 (.150) TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED DIMENSIONS ARE: MM (INCHES) Standard Resistance Table 3386C 3 2 1 3.56 ± .38 (.140 ± .015) 2.54 (.100) 2.54 (.100) 3386H 2.54 (.100) 2 1 3 2.54 (.100) 2.54 (.100) 1.40 ± .38 (.055 ± .015) Resistance (Ohms) 10 20 50 100 200 500 1,000 2,000 5,000 10,000 20,000 25,000 50,000 100,000 200,000 250,000 500,000 1,000,000 2,000,000 Resistance Code 100 200 500 101 201 501 102 202 502 103 203 253 503 104 204 254 504 105 205 Popular distribution resistance values listed in boldface. Special resistances available. How To Order 3386J 3 2 1 3386 P - 1 - 103 T __ LF Model 2.44 (.096) 3.81 (.150) 3.81 (.150) 3386S *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. †“Fluorinert” is a registered trademark of 3M Co. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 1 2.44 (.096) 2 3 3.81 (.150) 3.81 (.150) 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) Terminations LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated (Standard) **Knob option is available only in standard Tube packaging. Consult factory for other available options. 3386 - 3/8 ” Square Trimming Potentiometer Common Dimensions Top Adjust ADJ. SLOT .76 WIDE (.030) .76 X DEEP (.030) X 3.15 LONG (.124) 3386H-EY5 3386X-EY5 – SHOWN 3386T .76 ± .38 (.030 ± .015) 1 2 3 9.53 (.375) 5.97 ± .89 (.235 ± .035) 2.54 (.100) 9.53 (.375) .51 ± .05 (.020 ± .002) 3386U 2.54 (.100) 2.54 (.100) .38 MIN. (.015) 5.64 (.222) 3 2 1 3386F 5.08 (.200) 2.54 (.100) 3 2.54 ± .25 2 PLCS. (.100 ± .010) 3.05 ± .38 (.120 ± .015) 1 7.87 (.310) 3386G 2 90° ± 3° 3386M COMMON TO 3386V 2 1 2.54 (.100) 3 2.54 (.100) 2.54 (.100) 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. 5.59 (.220) 3.81 (.150) 3386V 1 8.38 (.330) 4.83 (.190) 10.16 (0.40) 2.54 (.100) 2.54 (.100) 3 1 3 2 3.56 ± 0.38 (.140 ± .015) 3 4.78 ± .38 (.188 ± .015) 2.54 (.100) 2.54 (.100) 4.78 (.188) ADJ. SLOT .76 WIDE (.030) X .97 DEEP (.038) X 3.05 LONG (.120) 1 3386P 3.71 (.146) 5.08 (.200) 3.05 ± .38 (.120 ± .015) 3.81 (.150) 7.87 (.310) 2 3386K 2 2.54 (.100) 3386P-EY5 2.54 (.100) 2.24 ± .38 (.088 ± .015) 1 1 1.40 (.055) 2.54 (.100) 1 2 3 2 3 3386Y 3 3.71 (.146) 2.54 (.100) 4.78 ± .38 (.188 ± .015) 2.54 (.100) 2.54 (.100) X 2.54 DEEP (.100) X 3.71 LONG (.146) 2.54 (.100) 4.83 (.190) ADJ. SLOT .76 WIDE (.030) 10.41 ± .51 (.410 ± .020) ADJ. SLOT 5.59 LONG (.220) 1.02 X (.040) WIDE 1.40 X (.055) DEEP 6.60 (.260) 2 2.54 (.100) 3.81 (.150) 3.81 (.150) 3386R 1.22 ± .38 (.048 ± .015) 3 3.56 ± .38 (.140 ± .015) 2.54 (.100) 2 1 2 CCW 5.64 (.222) 1.40 (.055) WIPER 3 1 1 2 3 2.54 (.100) 2.54 (.100) CW CLOCKWISE Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 3386 - 3/8 ” Square Trimming Potentiometer Packaging Specifications SIDE ADJUST 3386W-1 TOP ADJUST 3386U-1 27.56 ± .76 (1.085 ± .030) 12.70 REF. (.500) 18 ± .76 (.709 ± .030) 3.81 ± .71 (.15 ± .028) 1 2 10.16 MIN. (.400) 4.0 ± 0.3 (.157 ± .012) DIA. 3 DIMENSIONS: MM (INCHES) 1000/REEL/BOX 3.99 ± 0.3 DIA. (.157 ± .012) 12.7 ± 0.3 (.500 ± .012) 4.83 ± .25 (.190 ± .010) 2.54 CENTER (.100) 1 18.03 ± 1.5 (.710 ± .060) 3.18 ± 0.7 (.125 ±.028) 12.70 + .30/ - 0.25 (.500 + .012/ - .010) ALL PINS IN-LINE ON 12.70 REF. (.500) 18.03 ± 0.7 (.710 ± .028) 3 8.89 + .76 /- .50 (.350 + .030/ - .020) 18 + 1.0/ - 0.5 (.709 + .040/ - .020) 8.89 ± 0.7 (.350 ± .028) 22.98 ± .076 (.905 ± .030) 9.53 (.375) 2.44 ± .25 (.096 ± .010) .51 ± .05 (.020 ± .002) DIA. TYP. 4.78 (.188) ALL PINS IN-LINE ON DIMENSIONS: 2.54 CENTER (.100) MM (INCHES) 1000/REEL/BOX Meets EIA Specification 468. REV. 09/04 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.