1-1/4 Rectangular Multiturn Wirewound Industrial Sealed Pane
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1-1/4 Rectangular Multiturn
Wirewound Industrial Sealed
Panel mount option available Listed style RT12
MIL-PRF-27208 RoHS compliant*
3057 Trimpot® Trimming Potentiometer
Electrical Characteristics Standard Resistance Range ohms (see standard resistance table) Resistance Tolerance std. (tighter tolerance available) Absolute Minimum Resistance max. (whichever greater) Noise .100 ohms max. Resolution Resistance Table Insulation Resistance vdc. 1,000 megohms min. Dielectric Strength Level. 1,500 70,000 Feet Adjustment Travel turns nom. Environmental Characteristics Power Rating watt Power Rating watt Temperature Range +150 Temperature Coefficient ppm/°C Seal Test Fluorinert (pin styles only) Humidity .MIL-STD-202 Method hours Megohms Vibration resolution Shock resolution Load Life. 1,000 hours watt Rotational Life cycles Physical Characteristics Torque. 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 (Actual Flammability .U.L. 94V-0 Standard Packaging Style pcs. tube Style pcs. Adjustment Tool.H-90
YELLOW
Product Dimensions
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)
Standard Resistance Table
2.67 (.105 3.43 (.135 .015)
3057J
3.80 (.150)
7.62 (.300) 17.78 (.700)
6.35 (.250) DIA. TYP. (.028 .001)
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
Popular values listed boldface. Special resistances available.
Order
2.54 (.100)
3057
Model
(.028 .001) DIA. TYP.
3057P
Style Standard Modified Product Indicator Standard Product Resistance Code Optional Suffix Letter Panel Mount (Factory Installed)
17.78 (.700) 22.86 (.900)
6.60 (.260) 12.70 (.500 .031)
DIMENSIONS:
(INCHES) EXCEPT WHERE NOTED
WIPER
TOLERANCES:
0.25 (.010)
CLOCKWISE
GREEN
REV. 11/08
*RoHS Directive 2002/95/EC 2003 including Annex. "Fluorinert" registered trademark Specifications subject change without notice. Customers should verify actual device performance their specific applications
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