BNC Male to 4mm Banana & Crocodile Clip Test Lead 75 Ohm RF

BNC Male to 4mm Banana Stackable Plug & Crocodile Clip Test Lead — 75Ω RF Coaxial Cable

This versatile BNC Male to 4mm Banana / Crocodile Clip Test Lead is an essential adapter cable for electronics testing, RF signal work, multimeter connections, and oscilloscope probing. With a 75-ohm impedance rating and support for operating frequencies up to 18 GHz, this cable delivers reliable, low-loss signal transfer for hobbyists and professionals alike.

Key Features

• Multi-Use Terminations: Choose between 4mm stackable banana plug or crocodile (alligator) clip ends — perfect for a wide range of test equipment and multimeters.
• 75 Ohm Impedance: Ideal for RF, video, and broadcast testing applications requiring precise impedance matching.
• 1.5 m Cable Length: Generous 1.5-metre cord gives you reach and flexibility on the workbench or in the field.
• Wide Operating Frequency: Engineered for frequencies up to 18 GHz (2.4 GHz, 3 GHz, 5 GHz, 6 GHz, 12 GHz, 18 GHz+).
• Premium Construction: Machined brass body with gold/nickel-plated contacts and a genuine PTFE (Teflon) insulator for minimal signal loss and long-lasting durability.
• Corrosion Resistant: Passes a 24–48 hour salt spray test for enhanced resistance to oxidation and harsh environments.
• Wide Temperature Range: Rated –65 °C to +165 °C (PE cable: –55 °C to +85 °C), suitable for demanding temperature conditions.
• CE Certified: Meets CE low-voltage requirements (below 50 V AC or 75 V DC).

Specifications

• Connector Type: BNC Male (Q9) to 4mm Stackable Banana Plug / Crocodile Clip
• Impedance: 75 Ohm
• Cable Length: ~1.5 m
• Operating Frequency: Up to 18 GHz
• Temperature Range: –65 °C to +165 °C
• Plating: Gold/Nickel-plated contacts, real Teflon insulator
• Mounting: Machined brass, crimped & soldered cable mount
• Certification: CE
• Country of Origin: Made in Mainland China

Common Applications

• Oscilloscope & signal generator probing
• Multimeter test connections
• RF coaxial signal testing
• Electronics lab bench work
• Broadcast and video signal QA

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Learn More

For guidelines on safe use of electrical test equipment and connectors, visit the OSHA Electrical Safety resource page.

Frequently Asked Questions

Q: What is a BNC Male to 4mm Banana Plug test lead used for?

A: This test lead connects equipment with a BNC (Q9) coaxial port — such as oscilloscopes or signal generators — to test instruments using standard 4mm banana plug inputs, like multimeters. It enables quick, secure signal probing without the need for custom adapters.

Q: What is the difference between the banana plug and crocodile clip versions?

A: The 4mm stackable banana plug version connects directly into banana-socket test equipment, while the crocodile (alligator) clip version allows you to clip directly onto bare wire leads, PCB traces, or component terminals — making it more flexible for hands-free probing.

Q: Is this cable suitable for high-frequency RF testing?

A: Yes. With a 75-ohm impedance and support for operating frequencies up to 18 GHz, this BNC test lead cable is well-suited for RF signal testing, including applications at 2.4 GHz, 5 GHz, and beyond. The genuine PTFE Teflon insulator and precision-machined brass construction help minimize signal loss at high frequencies.

Q: What is the cable length and temperature rating?

A: The cable is approximately 1.5 metres (about 5 feet) long. It is rated for temperatures from –65 °C to +165 °C (with PE cable rated –55 °C to +85 °C), making it suitable for a wide range of laboratory and field environments.