Models 3057 RT12 currently available, although recommended designs.
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1-1/4 Rectangular Multiturn Wirewound Industrial Sealed Panel mount option available Listed style RT12 MIL-PRF-27208
Models 3057 RT12 currently available, although recommended designs.
3057/RT12 Trimpot® Trimming Potentiometer
Electrical Characteristics Standard Resistance Range ohms (see standard resistance table) Resistance Tolerance std. (tighter tolerance available) Absolute Minimum Resistance .0.1 max. (whichever greater) Noise .100 ohms max. Resolution.See Resistance Table Insulation Resistance .500 vdc. 1,000 megohms min. Dielectric Strength Level .1,500 70,000 Feet.400 Adjustment Travel turns nom. Environmental Characteristics Power Rating °C.1 watt Power Rating °C.0 watt Temperature Range .-55 +150 Temperature Coefficient .±50 ppm/°C Seal Test Fluorinert* (pin styles only) Humidity.MIL-STD-202 Method hours Megohms Vibration resolution Shock .100 resolution Load Life .1,000 hours watt Rotational Life.200 cycles Physical Characteristics Torque .5.0 oz-in. max. Mechanical Stops.Wiper idles Terminals .Solderable pins lugs Flexible leads strands AWG) Weight .0.10 Marking .Manufacturer's trademark, resistance code, terminal numbers, date code, manufacturer's model number style Wiper.50 Flammability .U.L. 94V-0 Standard Packaging Style pcs. tube Style pcs. Adjustment Tool .H-90
3057L Common Dimensions
31.75 (1.25) 25.4 (1.000)
3057Y
3.18 (.125 1.47 (.058 .022)
2.36 DIA. (.093) MTG. HOLES 4.83 (.190)
ADJ. SLOT 2.92 DIA. (.115 .015) WIDE (.025) DEEP (.031)
7.62 (.300) 17.78 (.700)
6.35 (.250)
2.54 (.100) DIA. TYP. (.028 .001)
6.10 TYP. (.240) 152.4 LEADS MIN. LENGTH (6.000) 8.00 (.315 .015)
6.10 TYP. (.240)
12.70 (.500 .031)
2.54 (.100)
2.67 (.105
3.43 (.135 .015)
YELLOW
WIPER
3057J
CLOCKWISE
3.80 (.150)
GREEN
TOLERANCES: 0.25 (.010) EXCEPT WHERE NOTED DIMENSIONS ARE: (INCHES)
7.62 (.300) 17.78 (.700)
6.35 (.250) DIA. TYP. (.028 .001)
Standard Resistance Table
Resistance (Ohms) 1,000 2,000 5,000 10,000 20,000 50,000 Resistance Code Nominal Resolution (Percent) 2.40 1.90 1.40 1.00 0.86 0.89 0.72 0.58 0.43 0.34 0.31 0.24
2.54 (.100)
3057P
(.028 .001) DIA. TYP. 17.78 (.700) 22.86 (.900) 6.60 (.260) 12.70 (.500 .031)
Popular values listed boldface. Special resistances available.
Order
3057
Model Style Standard Modified Product Indicator Standard Product Resistance Code Optional Suffix Letter Panel Mount (Factory Installed)
SHADED AREAS TYPICALLY STOCKED DISTRIBUTORS RECOMMENDED DESIGNS.
*"FLUORINERT" REGISTERED TRADEMARK
REV. 04/04 Specifications subject change without notice. Customers should verify actual device performance their specific applications.
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