Features Multiturn / Wirewound / Industrial / Sealed Listed on the QPL per MIL-PRF-27208 For trimmer applications/processing guidelines, click here RT26 - 1/4 Square Trimpot Trimming Potentiometer Electrical Characteristics Product Dimensions How To Order Standard Resistance Range RT26C2X MIL-PRF-27208 RT26 C2 X 101 .....................................10 to 5K ohms Common Dimensions Model 6.35 .51 (see standard resistance table) (.250 .020) Characteristic Resistance Tolerance ..............5 % std89 C = 50 ppm/C Temp. Coeff. Max. (.035) Absolute Minimum Resistance .........................0.25 % or 1 ohm max. 2 = 85 C Rating Temp. 150 C Max. Operating Temp. 12 3 (whichever is greater) 6.35 .51 Noise .....................100 ohms ENR max. Terminal Style (.250 .020) Resolution.............. See resistance table 4.78 .38 Resistance Code (.188 .015) Insulation Resistance ............... 500 vdc76 1,000 megohms min. 2.54 (.030) Standard Resistance Table Dielectric Strength (.100) 2.54 Sea Level ...............................600 vac (.100) Nominal 80,000 Feet ............................250 vac 1.02 .38 Resistance Resistance Resolution 2.54 (.040 .015) Adjustment Angle.............. 11 turns nom. (Ohms) Code (Percent) (.100) 10 100 1.90 4.32 .38 Environmental Characteristics 20 200 1.50 1.27 (.170 .015) 50 500 1.23 (.050) Power Rating 100 101 1.00 85 C ....................................0.25 watt 200 201 0.94 1.27 ADJ. SLOT 500 501 0.58 150 C .......................................0 watt (.050) 1.78 1,000 102 0.50 DIA. Temperature Range ....-55 C to +150 C (.070) 2,000 202 0.45 .41 .03 DIA51 Temperature Coef cient ......50 ppm/C 5,000 502 0.34 (.016 .001) X WIDE (.020) Seal Test ...................... 85 C Fluorinert* .51 X DEEP Humidity........ MIL-STD-202 Method 106 (.020) (1 % TR, 10 Megohms IR) RT26C2W Vibration ......................................... 20 G 1.27 (1 % TR 1% + resolution VR) (.050) Shock............................................ 100 G (1 % TR 1 % + resolution VR) Load Life 1,000 hours 0.25 watt 85 C 12 3 6.35 .51 (2 % TR 2 % + resolution VR) (.250 .020) Rotational Life........................200 cycles (2 % TR) 4.32 .38 1.27 (.170 .015) (.050) Physical Characteristics Torque............................. 3.0 oz-in. max89 Mechanical Stops ................. Wiper idles (.035) Terminals ..... MIL-STD-202 Method 208 Weight ..................................... 0.015 oz. Marking ................. Mil-spec part number MM Wiper ............... 50 % (Actual TR) 10 % DIMENSIONS: (INCHES) Flammability ............................ UL 94V-0 0.25 Standard Packaging ..... 50 pcs. per tube TOLERANCES: EXCEPT WHERE NOTED (.010) Adjustment Tool .............................. H-90 WIPER 2 CW CCW 3 1 CLOCKWISE REV. 04/14 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Trimpot is a registered trademark of Bourns, Inc. 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. AVAILABLE THROUGH DISTRIBUTION