Features 1-1/4 Rectangular / Multiturn Wirewound / Industrial / Sealed Panel mount option available Listed on the QPL per MIL-PRF-27208 For trimmer applications/processing guidelines, click here RT12 - Trimpot Trimming Potentiometer Electrical Characteristics Product Dimensions How To Order Standard Resistance Range RT12C2L MIL-PRF-27208 RT12 C2 P 101 Common Dimensions ...................................10 to 20K ohms Model (see standard resistance table) 31.75 Characteristic Resistance Tolerance ..............5 % std. (1.25) C = 50 ppm/C Temp. Coeff. Max. 3.18 Absolute Minimum Resistance 25.4 (.125 ) 2 = 85 C Rating Temp..........................0.1 % or 1 ohm max. (1.000) 1.47 .56 150 C Max. Operating Temp. (whichever is greater) (.058 .022) Noise .....................100 ohms ENR max. Terminal Style Resolution............ See Resistance Table Resistance Code ADJ. SLOT Insulation Resistance ............... 500 vdc. 2.92 .38 DIA. (.115 .015) 1,000 megohms min. 2.36 DIA. Standard Resistance Table .64 (.093) WIDE Dielectric Strength X (.025) MTG. HOLES (2) Sea Level ............................1,500 vac Nominal .79 DEEP X 4.83 Resistance Resistance Resolution (.031) 70,000 Feet ............................400 vac (.190) (Ohms) Code (Percent) Adjustment Travel .............22 turns nom. 10 100 2.40 20 200 1.90 Environmental Characteristics 6.10 50 500 1.40 TYP. 6.10 (.240) 100 101 1.00 TYP. Power Rating 70 C ................. 1 watt 152.4 (.240) LEADS MIN. LENGTH 200 201 0.86 (6.000) Power Rating 150 C ............... 0 watt 8.00 .38 500 501 0.89 1,000 102 0.72 Temperature Range ....-55 C to +150 C (.315 .015) 2,000 202 0.58 Temperature Coef cient ......50 ppm/C 5,000 502 0.43 Seal Test ...................... 85 C Fluorinert* 10,000 103 0.34 20,000 203 0.31 (pin styles only) 2.67 Humidity........ MIL-STD-202 Method 106 (.105 ) 3.43 .38 96 hours (.135 .015) RED WIPER 2 2 % TR, 100 Megohms IR) RT12C2P Vibration ............. 30 G (1 % TR 0.5 % YELLOW 3 GREEN 1 .71 .03 CCW CW + resolution DVR) CLOCKWISE (.028 .001) Shock................ 100 G (1 % TR 0.5 % DIA. TYP. + resolution VR) MM 2 1 3 Load Life ....1,000 hours 1 watt 70 C DIMENSIONS: 17.78 (INCHES) 6.60 12.70 .79 (2 % TR) (.700) (.260) (.500 .031) 0.25 TOLERANCES: EXCEPT WHERE NOTED 22.86 Rotational Life...... 200 cycles (2 % TR) (.010) (.900) Physical Characteristics RT12C2Y Torque............................. 5.0 oz-in. max. Mechanical Stops ................. Wiper idles Terminals ........ Solderable pins and lugs Flexible leads ..... (7 strands of 30 AWG) Weight ....................................... 0.10 oz. 1 2 3 Marking ......... Manufacturer s trademark, 7.62 6.35 (.300) resistance code, terminal numbers, (.250) 17.78 date code, manufacturers model (.700) number and style Wiper ............... 50 % (Actual TR) 10 % Flammability ..........................U.L. 94V-0 2.54 (.100) Standard Packaging P&Y Style .................. 10 pcs. per tube .71 .03 DIA. TYP. (.028 .001) L Style ........................ 25 pcs. per bag 12.70 .79 Adjustment Tool .............................. H-90 (.500 .031) 2.54 (.100) REV. 04/14 Trimpot is a registered trademark of Bourns, Inc. *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Speci cations are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their speci c applications.