1. General Information
Model/Type: UG-8 (or UG-8/U)

Category: Coaxial RF Connector

Standard: MIL-C-39012 (Military Specification)

Interface: Threaded Coupling (Precision 7/16" or other)

Gender: Typically Female (Jack)

Material:

Body: Stainless Steel / Beryllium Copper

Contact Plating: Gold over Nickel (50 µin min)

Insulator: PTFE (Teflon®)

2. Electrical Specifications
Parameter Specification
Frequency Range DC – 18 GHz
Impedance 50 Ω (±0.5 Ω)
VSWR (Max) 1.25:1 (up to 12 GHz)
Insertion Loss ≤0.2 dB @ 6 GHz
Power Handling 300W (Avg) / 3kW (Peak)
Dielectric Strength 1500V RMS
Contact Resistance ≤2 mΩ
3. Mechanical & Environmental Specs
Coupling Mechanism: Threaded (7/16-28 UNEF)

Mating Cycles: ≥500 (with maintained performance)

Operating Temperature: -65°C to +165°C

Vibration: MIL-STD-202, Method 214

Shock: 100G, 11ms (MIL-STD-883)

Salt Spray: 500 hours (MIL-STD-810)

4. Key Features
✔ Military-Grade Reliability – Meets stringent MIL-SPEC requirements for harsh environments.
✔ High-Power Capability – Supports high RF power transmission with minimal loss.
✔ Precision RF Performance – Optimized for low VSWR and stable impedance.
✔ Durable Construction – Corrosion-resistant materials for long service life.
✔ Broad Compatibility – Matches with standard UG-series connectors.

5. Applications
Defense & Aerospace: Radar systems, avionics, missile guidance.

Telecom: High-power base stations, microwave links.

Test & Measurement: VNAs, spectrum analyzers, RF test systems.

Satcom: Ground stations, satellite payloads.

6. Compliance & Standards
MIL-C-39012 (Qualified)

MIL-STD-348 (Interface Standard)

RoHS/REACH (Environmental Compliance)