3299W-1-103LF BOURNS | Alldatasheet

Document overview

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Technical content

Features

■ 3/8 ” Square/ Multiturn / Cermet / Industrial / Sealed ■ Five popular terminal styles ■ Standoffs ■ Patent #4427966 drive mechanism ■ RoHS compliant* version available

Electrical Characteristics

(see standard resistance table) (tighter tolerance available) Absolute Minimum Resistance (whichever is greater) Contact Resistance Variation (whichever is greater) Adjustability 1,000 megohms min. Dielectric Strength Environmental Characteristics Power Rating (300 volts max.) Temperature Range ....-55 °C to +125 °C Temperature Coefficient ....±100 ppm/°C 96 hours (2 % ∆TR, 10 Megohms IR) Load Life (3 % ∆TR; 3 % or 3 ohms, whichever is greater, CRV) (4 % ∆TR; 3 % or 3 ohms, whichever is greater, CRV) Physical Characteristics trademark, resistance code, wiring diagram, date code, manufacturer’s model number and style 1 3 CW CLOCKWISE CCW

2 WIPER

1.52 (.060) BOTTOM VIEW BOTTOM VIEW BOTTOM VIEW BOTTOM VIEW BOTTOM VIEW 3299P Common Dimensions 1.09 (.043) 6.10 +.30/-.25 (.240 +.012/-.010) 3299W 1.91 (.075) 3299X 3299Y 3299Z 2.54 (.100) 2.54 (.100) 2.54 (.100) 2.54 (.100) 2.54 (.100) 2.54 (.100) 2.54 (.100) 2.54 (.100) 2.54 (.100) 1.91 (.075) 1.91 (.075) 1.91 (.075) 2.54 (.100) MIN. 2.54 (.100) 2.54 (.100) 2.54 (.100) .51 (.020) DIA. TYP. 5.23 (.206) 10.03 (.395) .38 (.015) 9.53 (.375) 1.12 (.044) 6.22 ± 1.14 (.245 ± .045) ADJ. SLOT 2.29 (.090) .56 (.022) .64 (.025) WIDEX X DEEP DIA. How To Order

3299 W - 1 - 103 LF

-1 = Standard Product Resistance Code Terminations LF = 100 % Tin-plated (RoHS compliant) Blank = 90 % Tin / 10 % Lead-plated (Standard) Consult factory for other available options. Resistance Resistance (Ohms) Code 10 100 20 200 50 500 100 101 200 201 500 501 1,000 102 2,000 202 5,000 502 10,000 103 20,000 203 25,000 253 50,000 503 100,000 104 200,000 204 250,000 254 500,000 504 1,000,000 105 2,000,000 205 Standard Resistance Table DIMENSIONS ARE: MM (INCHES) TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED Popular distribution resistance values listed in boldface. Special resistances available. REV. 09/04 *RoHS COMPLIANTVERSIONS AVAILABLE