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SMA To BNC Adapters
Description: SMA to BNC, Adaptor (SUS), Work to 6 GHz
● VSWR: 1.20 Max @ 6 GHz
● Insertion Loss: ≤ 0.12 dB @ 6 GHz
● Durability: ≥ 500 Cycles;
● Body Material: Stainless Steel
● Center Contact Material: Beryllium Copper
Description
Introduction
This SMA to BNC series adaptors are a precision adaptors that design to broadband from DC to 6 GHz, High frequency 8 GHz are available. The material of main body is passivated SUS303, the material of male center contacts is brass or beryllium copper, finished in gold; the material of insulations is PTFE; the material of nut is brass, finished in nickel.
Specification
Electrical | |
● Impedance: 50 Ω | ● Insulation Resistance: 5000 MΩ Min |
● Frequency Range: DC – 6 GHz | ● Dielectric Withstanding Voltage: 1500 Vrms Min (Sea Level) |
● VSWR: 1.20 Max @ 34 GHz | ● Contact Resistance: ≤ 3 mΩ (Center Contact) |
● Insertion Loss: ≤ 0.12 dB @ 6 GHz | ≤ 2 mΩ (Outer Contact) |
Mechanical | |
● SMA Mateable with 3.5 mm, 2.92 mm, SMK, K Series | ● Center Contact Retention Force: 6 lbs Min. |
● Durability: ≥ 500 Cycles | ● Coupling Torque: 0.6-2.5 lb-in Recommended |
● Mating: ≥ 2-stud bayonet lock coupling(MIL-STD-348) | ● Engagement Force: 5 lbs Max. |
| / | ● Disengagement Force: 1.5 lbs Min. |
Environmental | |
● Temperature Range: -65 ℃ to +165 ℃ | |
Material & Finish | |
● Body: Stainless Steel, Passivated | ● Dielectric: Engineering Plastic, Natural |
● Center Contact: Brass or Beryllium Copper, Gold Plated | |
Products Display and Typical Performance Data (@ 25℃)

DUT: SMA jack to BNC male adaptor + SMA female to BNC jack adaptor
Features and Benefits
● Bayonet coupling mechanism provides quick mating and unmating 50 Q and 75 impedance designs allow customers to match system requirements
● 50 ohm and 75 ohm connectors are intermateable
● Four grades of connectors are available for military, industrial, commercial and performance applications
● Available in both standard and reverse polarity interfaces
Applications
● Antennas
● Telecom
● Computers/LANs
● Satellite Communications
Related Products
| Hualink PN | DESCRIPTION | Picture |
| AST-SMA-P-TNCA-P-HPP-W2 | SMA male to TNCA plug straight through adaptor | ![]() |
| AST-SMA-P-TNCA-S-HPP-W2 | SMA male to TNCA Jack straight through adaptor | ![]() |
| AST-SMA-S-TNCA-P-HPP-W2 | SMA female to TNCA plug straight through adaptor | ![]() |
| AST-SMA-S-TNCA-S-HPP-W2 | SMA jack to TNCA female straight through adaptor | ![]() |
FAQ
1. Description of BNC Connectors
BNC Connectors are developed in the late 1940s as a miniature version of the Type C connector. BNC stands for Bayonet Neill Concelman and is named after Amphenol engineer Carl Concelman. The BNC product line is a miniature quick connect/disconnect RF connector. It features two bayonet lugs on the female connector: mating is achieved with only a quarter tum of the coupling nut BNCS are ideally suited for cable termination for miniature to subminiature coaxial cable(rg-58, 59, to RG-179, RG316,ect.)
50 ohms BNC connectors are miniature, lightweight units useable up to 11 GHZ and typically yield low reflection through 4 GHZ. Designed to accommodate a large variety of RG and industry standard cables, BNC connectors are available in crimp/crimp, clamp/solder, SURETWIST, and field serviceable termination styles. A full line of printed circuit board receptacles, bulkhead receptacles, resistor terminations, and other accessories complement the product offering
A variety of our 50 BNC connectors are recognized under the Component program of Underwriters Laboratories, Inc.
These connectors are ideal for use with medical equipment and test instrumentation where safety cannot be compromised.
Packaging, Shipping

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