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Features
■ Infi nite resolution element ■ Standard linearity: 1.0 % ■ Extended temperature range: -65 °C to +125 °C ■ Extended life version (6538) ■ Output smoothness: 0.1 % standard ■ Molded-in rear terminals ■ Non-standard features and specifi cations available 6537/6538 - 22 mm Precision Potentiometer *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifi 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 specifi c applications. Electrical Characteristics1 6537 6538 Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Power Rating (Voltage Limited By Power Dissipation or 300 VAC, Whichever is Less) Environmental Characteristics1 Temperature Coeffi cient Moisture Resistance (MIL-STD-202, Method 106) Mechanical Characteristics1 Soldering Condition 370 °C (700 °F) max. for 3 seconds 260 °C (500 °F) max. for 5 seconds tolerance, linearity tolerance, wiring diagram, and date code. 1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. Product Dimensions BOLDFACE LISTINGS ARE IN STOCK AND READILY AVAILABLE THROUGH DISTRIBUTION. FOR OTHER OPTIONS CONSULT FACTORY. Recommended Part Numbers *RoHS COMPLIANT Part Number Resistance ( Ω) 6538S-1-102 1,000 6538S-1-202 2,000 6538S-1-502 5,000 6538S-1-103 10,000 Part Number Resistance ( Ω) 6537S-1-102 1,000 6537S-1-502 5,000 6537S-1-103 10,000 6537 1 3 CW CLOCKWISE CCW
2 WIPER
6538 BALL BEARING
45 ± 5 ° x 12.70 ± .80 (.375 ± .031) 12.70 ± .38 (.500 ± .015) 1.57 (.062) 1.57 (.062) 1.57 (.062) 3.170+.000/-.008 .25 (.010) CHAMFER 22.23 (.875) DIA. 3.18 (.125) .51 (.020) REF. 19.050+.000/-.012 (.75+.0000/-.0005) DIA. 19.81 (.780) DIA. 30 ± 3 ° TYP. 4.80 (.19) R 45 ± 5 ° R5.08 (.020) TOLERANCES: EXCEPT WHERE NOTED FRACTIONS: 1/64 MMDIMENSIONS: (IN.) 12.70 ± .38 (.475 ± .015) 12.70 ± .38 (.500 ± .031) 1.57 (.062) 1.57 (.062) 1.57 (.062) 45 ± 15 ° x .25 (.010)CHAMFER 22.23 ± 0.38 (.875 ± .015) DIA. 3.18 ± 0.38 (.125 ± .015) .51 (.020)REF. 19.81 (.780) DIA. 19.050+.000/-.012 (.75+.0000/-.0005) DIA. REV. 01/14