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520QF Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
520QF266Yes

520QF** is a model of **Quick-Fit (QF) connector** manufactured by **Amphenol RF**, designed for high-frequency applications.

The 520QF is a model of Quick-Fit (QF) connector manufactured by Amphenol RF, designed for high-frequency applications.

Manufacturer Specifications:

  • Connector Type: Quick-Fit (QF)
  • Series: 520QF
  • Interface: Coaxial
  • Impedance: 50Ω
  • Frequency Range: Up to 6 GHz
  • Voltage Rating: Typically 500 V RMS
  • Contact Resistance: ≤ 3 mΩ
  • Insulation Resistance: ≥ 5,000 MΩ
  • Dielectric Withstanding Voltage: 1,500 V RMS
  • Mating Cycles: ≥ 500 cycles
  • Operating Temperature Range: -65°C to +165°C
  • Body Material: Brass (gold-plated)
  • Insulator Material: PTFE (Teflon)
  • Coupling Mechanism: Snap-on (Quick-Fit)

Description:

The 520QF is a quick-disconnect RF connector designed for easy mating and unmating without requiring rotation. It is commonly used in test and measurement, telecommunications, and military/aerospace applications where rapid connections are needed.

Features:

  • Quick-connect/disconnect mechanism (no threading required)
  • Gold-plated contacts for reliable signal transmission
  • High-frequency performance (up to 6 GHz)
  • Robust construction for durability in harsh environments
  • Low insertion loss for minimal signal degradation
  • Compatible with standard SMA interfaces (depending on variant)

This connector is part of Amphenol RF's Quick-Fit series, ensuring compatibility with other QF-series components.

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