Telegärtner J01291A0022 BNC Coupling Jack to Jack Straight 50 Ohm

When you need to join two BNC cables without losing signal integrity, a reliable coupling is essential. The Telegärtner J01291A0022 provides a straight, in-line connection between two BNC jacks, maintaining a 50 Ohm impedance for consistent performance up to 4 GHz.

Who is it for

This coupling is for RF technicians, broadcast engineers, and anyone working with coaxial connections who needs a robust, low-loss adapter for extending or joining BNC cables.

Main features

• BNC jack to BNC jack, straight body style
• 50 Ohm impedance, DC to 4 GHz frequency range
• Nickel-plated brass body, gold-plated beryllium copper contacts
• PTFE insulator for high-temperature stability
• 500 mating cycles durability

Specifications

• Connector Series: BNC
• Connector Type: Coupling / Adapter
• Gender: Jack (Female) to Jack (Female)
• Body Style: Straight
• Impedance: 50 Ohm
• Frequency Range: DC to 4 GHz
• Voltage Rating: 500 V (peak)
• Dielectric Withstanding Voltage: 1.5 kVeff
• Insulation Resistance: ≥ 5 GΩ
• Center Contact Resistance: ≤ 1.5 mΩ
• Outer Contact Resistance: ≤ 1 mΩ
• VSWR: ≤ 1.25 (DC to 4 GHz)
• Durability: 500 mating cycles
• Operating Temperature: -55 °C to +155 °C
• Body Material: Brass
• Body Plating: Nickel (Ni)
• Contact Material: Beryllium Copper (CuBe2)
• Contact Plating: Gold (Au)
• Insulator Material: PTFE
• Mounting Type: Free Hanging

Tips

Ensure both BNC connectors are clean before mating to maintain low contact resistance. The coupling is suitable for free-hanging applications; avoid excessive mechanical stress on the connection.