Features n 1-1/4 Rectangular / Multiturn n For trimmer applications/processing Wirewound / Industrial / Sealed guidelines, click here n Panel mount option available n Listed on the QPL for style RT12 per MIL-PRF-27208 n RoHS compliant* 3057 - Trimpot Trimming Potentiometer Electrical Characteristics Product Dimensions Std. Resistance Range ...... 10 to 50K ohms 3057L 3057Y (see standard resistance table) Common Dimensions 31.75 Resistance Tolerance ................. 5 % std. 31.75 (1.25) (tighter tolerance available) (1.25) 3.18 3.18 25.4 Absolute Minimum Resistance (.125 ) 25.4 (.125 ) (1.000) ..............................0.1 % or 1 ohm max. (1.000) 1.47 .56 1 2 3 1.47 .56 1 2 3 (.058 .022) (whichever is greater) 7.62 (.058 .022) 7.62 6.35 6.35 (.300) Noise .........................100 ohms ENR max. (.300) (.250) (.250) 17.78 17.78 Resolution ................See Resistance Table ADJ. SLOT ADJ. SLOT (.700) (.700) Insulation Resistance ...................500 vdc. 2.92 .38 2.92 .38 DIA. DIA. (.115 .015) (.115 .015) 1,000 megohms min. 2.362.36 DIA.DIA64 .64 (.093)(.093) Dielectric Strength X X WIDEWIDE (.025)(.025) 2.54 2.54 MTG. HOLES (2) MTG. HOLES (2) Sea Level ................................ 1,500 vac .79 .79 (.100)(.100) DEEP X X DEEP 4.83 4.83 (.031) 70,000 Feet ................................ 400 vac (.031) (.190) .71 .03 .71 .03 (.190) DIA. TYP. DIA. TYP. Adjustment Travel .................22 turns nom. (.028 .001) (.028 .001) 12.70 .79 12.70 .79 Environmental Characteristics (.500 .031) 6.10 (.500 .031) 6.10 TYP. TYP. 6.10 (.240) 6.10 (.240) TYP. Power Rating 70 C ......................1 watt 152.4 (.240) TYP. 152.4 LEADS MIN. LENGTH (.240) LEADS MIN. LENGTH (6.000) Power Rating 150 C ....................0 watt (6.000) 8.00 .38 2.54 8.00 .38 2.54 Temperature Range ....... -55 C to +150 C (.315 .015) (.100) (.315 .015) (.100) Temperature Coefficient ......... 50 ppm/C Seal Test ..........................85 C Fluorinert RED WIPER 2 (pin styles only) 2.67 2.67 Humidity ...........MIL-STD-202 Method 106 YELLOW 3 GREEN (.105 ) 1 3.43 .38 (.105 ) CW CCW 96 hours 3.43 .38 CLOCKWISE (.135 .015) (.135 .015) 2 % TR, 100 Megohms IR) 3057J MM Vibration ................. 30 G (1 % TR 0.5 % DIMENSIONS: (INCHES) + resolution VR) 3.80 0.25 Shock ................... 100 G (1 % TR 0.5 % TOLERANCES: EXCEPT WHERE NOTED (.150)3.80 (.010) + resolution VR) (.150) Load Life ........1,000 hours 1 watt 70 C Standard Resistance Table (2 % TR) 1 2 3 Rotational Life ..........200 cycles (2 % TR) 1 2 3 Nominal Moisture Sensitivity Level .....................N/A Resistance Resistance Resolution ESD Classification (HBM) ......................... 2 (Ohms) Code (Percent) 6.35 7.62 10 100 2.40 (.250) (.300) 6.35 7.62 Physical Characteristics 20 200 1.90 (.250) 17.78 (.300) 50 500 1.40 Torque .................................8.0 oz-in. max. (.700) .71 .03 17.78 DIA. TYP. 100 101 1.00 Mechanical Stops .....................Wiper idles (.028 .001) (.700) .71 .03 200 201 0.86 DIA. TYP. Terminals ............ Solderable pins and lugs (.028 .001) 500 501 0.89 Flexible leads ..........(7 strands of 30 AWG) 1,000 102 0.72 2.54 Weight ........................................... 0.10 oz. 2,000 202 0.58 (.100) 5,000 502 0.43 2.54 Marking .............Manufacturers trademark, (.100) 10,000 103 0.34 3057P resistance code, terminal numbers, 20,000 203 0.31 date code, manufacturers model .71 .03 50,000 503 0.24 number and style (.028 .001) .71 .03 Popular values listed in boldface. Special Wiper ...................50 % (Actual TR) 10 % DIA. TYP. (.028 .001) resistances available. Flammability ..............................U.L. 94V-0 DIA. TYP. 2 1 3 Standard Packaging 17.78 6.60 12.70 .79 P&Y Style ......................10 pcs. per tube (.700) 2 1 3 How To Order (.260) (.500 .031) 17.78 L&J Style ......................100 pcs. per box 22.86 6.60 12.70 .79 3057 L - 1 - 103 M (.700) (.900) Adjustment Tool ..................................H-90 (.260) (.500 .031) 22.86 Model (.900) Style Standard or Modified Product Indicator WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov -1 = Standard Product *RoHS Directive 2015/863, Mar. 31, 2015 and Annex Trimpot is a registered trademark of Bourns, Inc. Fluorinert is a registered trademarkof 3M Co. Resistance Code Specifications are subject to change without notice. Optional Suffix Letter Users should verify actual device performance in their specific applications. 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