Telegärtner BNC Female to SMA Male RF Coaxial Adapter, 50 Ohm, DC-4 GHz, Nickel-Plated Brass, J01008A0025

This Telegärtner RF coaxial adapter connects a BNC female interface to an SMA male plug, maintaining a 50 Ohm impedance across a DC to 4 GHz frequency range. The straight in-line body is made of nickel-plated brass, with gold-plated beryllium copper center contacts and PTFE insulation, ensuring low VSWR of ≤1.25 at 4 GHz and reliable performance from -65°C to +165°C.

Overview

The J01008A0025 is a precision adapter for interconnecting BNC and SMA coaxial components. It features a BNC jack (female) on one side and an SMA plug (male) on the other, both with 50 Ohm impedance. The adapter is designed for in-line use and provides a straight connection path.

What stands out

• Wide frequency range: DC to 4 GHz
• Low VSWR: ≤1.25 at 4 GHz
• Durable construction: nickel-plated brass body, gold-plated beryllium copper contacts
• High insulation resistance: ≥5 GΩ
• Operating temperature: -65°C to +165°C
• Dielectric withstanding voltage: 1500 Vrms
• RoHS compliant

Technical details

• Connector A: BNC Female (Jack)
• Connector B: SMA Male (Plug)
• Impedance: 50 Ohm
• Body Style: Straight
• Mounting Type: In-line
• Frequency Range: DC - 4 GHz
• Body Material: Brass
• Body Plating: Nickel
• Contact Material: Beryllium Copper
• Contact Plating: Gold
• Insulator Material: PTFE
• Dielectric Withstanding Voltage: 1500 Vrms
• Insulation Resistance: ≥ 5 GΩ
• Center Contact Resistance: ≤ 1.5 mΩ
• Outer Contact Resistance: ≤ 1 mΩ
• VSWR: ≤ 1.25 @ 4 GHz
• Operating Temperature: -65°C to +165°C
• Standard Compliance: IEC 60169-8 (BNC), IEC 60169-15 (SMA)

Our verdict

A high-quality RF adapter built for demanding applications, offering excellent electrical performance and rugged construction.