AV DI TH AIL ST R O A B RI UG LE BU H TI ON Features ■ Multiturn / Wirewound / Industrial / Sealed ■ Listed on the QPL per MIL-PRF-27208 and High-Rel MIL-PRF-39015 ■ Panel mount option available ■ For trimmer applications/processing guidelines, click here RT24/RTR24 - 3/8 ” Square Trimpot® Trimming Potentiometer Electrical Characteristics Standard Resistance Range RT24 ..........................10 to 10K ohms RTR24 ......................500 to 10K ohms (see standard resistance table) Resistance Tolerance .............. ±5 % std. Absolute Minimum Resistance ...........................0.1 % or 1 ohm max. (whichever is greater) Noise .....................100 ohms ENR max. Resolution .......... (see standard resistance table) Insulation Resistance ............... 500 vdc. 1,000 megohms min. Dielectric Strength Sea Level ............................ 1,000 vac 80,000 Feet ............................ 350 vac Adjustment Travel .............25 turns nom. Environmental Characteristics Power Rating @ 85 °C ............ 0.75 watt Power Rating @ 150 °C ............... 0 watt Temperature Range ....-65 °C to +150 °C Temperature Coefficient ......±50 ppm/°C Seal Test ...................... 85 °C Fluorinert* Humidity RT24 .......(1 % ΔTR; 10 Megohms IR) RTR24 ...(1 % ΔTR; 100 Megohms IR) Vibration .......................................... 20G (1 % ΔTR; 0.5 % + resolution ΔVR) Shock............................................. 100G (1 % ΔTR; 0.5 % + resolution ΔVR) Load Life RT24 .1,000 hours 0.75 watt @ 85 °C (2 % ΔTR; 2 % + resolution ΔVR) RTR24 ............ 10,000 hours 0.75 watt @ 85 °C (3 % + resolution ΔVR) Rotational Life........................200 cycles (2 % ΔTR) Physical Characteristics Torque............................. 5.0 oz-in. max. Mechanical Stops ................. Wiper idles Terminals ..... MIL-STD-202; Method 208 Weight ..................................... 0.025 oz. Marking ................. Mil-spec part number Wiper ............... 50 % (Actual TR) ±10 % Flammability ..........................U.L. 94V-0 Standard Packaging ..... 50 pcs. per tube Adjustment Tool .............................. H-90 Product Dimensions How To Order RT24C2X/RTR24DX Common Dimensions 3.81 (.150) MIL-PRF-27208 1.02 (.040) 1.27* (.050) 9.53 ± .38* (.375 ± .015) 9.53 ± .38* (.375 ± .015) 1.52* (.060) Characteristic C = ±50 ppm/°C Temp. Coeff. Max. 2 = 85 °C Rating Temp. 150 °C Max. Operating Temp. Terminal Style 3 2 1 ADJ. SLOT 1.52 DIA. (.060) .51 WIDE X (.020) .64 DEEP X (.025) RT24 C2 P 501 Model 8.00 ± .38 (.315 ± .015) TYP.* 1.91 (.075) Resistance Code .51 ± .03 (.020 ± .001) DIA. TYP.* How To Order MIL-PRF-39015 2.54 (.100) 2.54 (.100) 4.75 (.187) RTR24 D P 202 M Model Characteristic D = ±50 ppm/°C Temp. Coeff. Max. Terminal Style RT24C2P/RTR24DP Resistance Code 4.75 (.187) Failure Rate M = 1.0 % 1 4.75 (.187) 2.54 (.100) 2.54 (.100) 2.54 (.100) 2 RT24 Standard Resistance Table 3 *Common dimensions RT24C2W/RTR24DW 2.54 (.100) 3 2 1 2.54 (.100) 1.19 (.075) Resistance Code 100 200 500 101 201 501 102 202 502 103 Nominal Resolution (Percent) 1.11 0.93 0.62 0.60 0.54 0.42 0.33 0.26 0.20 0.17 RTR24 Standard Resistance Table DIMENSIONS: TOLERANCES: ± 0.25 (.010) 2 CCW Resistance (Ohms) 10 20 50 100 200 500 1,000 2,000 5,000 10,000 MM (INCHES) EXCEPT WHERE NOTED WIPER 3 1 CLOCKWISE REV. 12/12 *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. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CW Resistance (Ohms) 500 1,000 2,000 5,000 10,000 Resistance Code 501 102 202 502 103 Nominal Resolution (Percent) 0.60 0.40 0.30 0.25 0.19