Product Overview

1.85mm Connector

The Aptiv Interconnect 1.85mm connector is a high-performance precision coaxial connector for millimeter-wave applications up to 67 GHz. A member of the V-band connector family, it features a robust air dielectric interface for superior signal integrity at high frequencies. This connector is mode-free up to 67 GHz, making it ideal for cutting-edge test and measurement, advanced telecommunications, and satellite communications. Its precise mechanical tolerances ensure repeatable, low-loss connections.

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Features and Benefits

  • Ultra-Broadband Performance: Operates mode-free up to 67 GHz.
  • Mode-Free Operation: Maintains signal integrity without unwanted mode propagation.
  • Air Dielectric Interface: Minimizes losses for excellent electrical performance.
  • Precision Threaded Coupling: Ensures secure and stable connections.
  • Robust Construction: Made from durable stainless steel for mechanical stability.
  • Low Reflection and Insertion Loss: Engineered for minimal signal degradation.
  • Compatibility: Mechanically compatible with 2.4mm connectors.
  • Critical Applications: Suited for high-speed digital systems, advanced radar, and high-frequency test setups.

Specifications, Parts, and Filters

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Impedance
50 Ohms
Frequency Range
DC to 67 GHz
Voltage Rating
170 VRMS (max. typical)
Dielectric Withstanding Voltage
500 VRMS (min. typical)
Contact Resistance
Center Contact
≤ 3.0 mΩ (typical)
Outer Contact
≤ 2.0 mΩ (typical)
VSWR (Voltage Standing Wave Ratio - Straight Connectors)
Typical: ≤ 1.33 @ 67 GHz, Optimized designs can achieve lower VSWR.
Insertion Loss
Typical: ≤ 0.05 * f(GHz)​ + 0.005f(GHz) dB (connector pair dependent)

Coupling Mechanism
Threaded (0.75-20 UNF-2A thread)
Mating Cycles
≥ 500 cycles (for precision test port connectors, often higher)
Recommended Mating Torque
8 - 12 in-lbs (0.9 - 1.35 Nm)
Cable Retention
Varies by cable type and termination method
Body Material
Stainless Steel (typically passivated)
Center Contact Material
Beryllium Copper with Gold Plating (over nickel)
Outer Contact Material
Stainless Steel
Dielectric/Insulator Material
Air/Low-loss plastic beads
Interface Dimensions
Conforms to international standards for 1.85mm connectors.

Temperature Range
-55°C to +125°C
Thermal Shock
MIL-STD-202, Method 107, Test Condition B (from -55°C to +125°C)
Vibration
MIL-STD-202, Method 204, Test Condition B (15 G's)
Shock
MIL-STD-202, Method 213, Test Condition I (100 G's)
Moisture Resistance
MIL-STD-202, Method 106
Corrosion (Salt Fog)
MIL-STD-202, Method 101, Test Condition B (48 hours)

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