Microwave Sapphire PISTONCAP® Trimmer Capacitors

(This bulletin is also available as a pdf file.)

FEATURES

• Sapphire dielectric
• Very high Q at UHF and microwave frequencies
• Subminiature - smallest PISTONCAP® types
• Choice of 2 configurations and 6 mounting styles to suit all RF structures
• Designed to meet MIL-PRF-14409G
• Precision high resolution adjustment:
  • 127 threads per inch for GU series, GW series and GN_1R2_ _
  • 169 threads per inch for GN_2R5_ _ to GN_8R0_ _
• Extremely stable over temperature, frequency, voltage, etc.

SPECIFICATIONS

• Operating Temperature: -55°C to +125°C
• Rated Voltage: 500 VDC
• Dielectric Withstanding Voltage: 1000 VDC
• Contact Resistance: 0.01 Ohms
• Insulation Resistance: 10⁶ Megohms min at 500 VDC
• Torque:
  • 0.1 to 1.0 oz-in (7.2 to 72 g-cm) for GU series and GN_1R2_ _
  • 0.2 to 2.0 oz-in (14.4 to 144 g-cm) for GW and GN_2R5_ _ to GN_8R0_ _

APPLICATIONS

• Stable oscillators
• Frequency multipliers
• Filters
• Tuning cavities
• Coupling, etc.

Engineering Bulletin SG-207 Contents

• Features and Specifications
• Part Numbering System
• Type C - PC Mount
• Type F - Flange Mount
• Type L - Horizontal Surface Mount
• Type N - Leadless
• Type R - Reverse Lead Mount
• Type V - Vertical Surface Mount
• Type Y - Vertical Surface Mount - Wide Lead