Overview
An RF surge arrestor (also called a lightning arrestor or surge protector) is a protective device used in RF systems to safeguard sensitive equipment from voltage surges caused by lightning strikes, electrostatic discharge (ESD), or power line disturbances. It is installed inline with coaxial transmission lines and diverts excessive transient energy to ground while allowing normal RF signals to pass with minimal loss.
Features
Protection: Defends radios, antennas, base stations, and test equipment from lightning-induced surges and transient overvoltages.
Frequency Range: Supports a wide bandwidth, typically DC to 6 GHz or higher depending on design and connector type.
Low Insertion Loss: Ensures minimal impact on signal transmission and VSWR performance.
Types: Gas discharge tube (GDT), quarter-wave stub, and hybrid designs are commonly used.
Power Handling: Capable of withstanding high RF power levels, making them suitable for base stations and broadcast systems.
Mounting & Connectors: Available in standard RF interfaces (N-type, 7/16 DIN, SMA, etc.) with options for bulkhead or inline installation.s.
Applications
Wireless base stations (LTE, 5G, Wi-Fi)
Satellite communication systems
Public safety radio networks
Microwave links and broadcast systems
railway communications and signaling systems
MRI, CT, and ultrasound imaging devices
in-vehicle infotainment and connectivity systems
Specification
Body Plating | Nickel |
Body Material | Brass |
Connector Type | SMA male to female |
| Surge Arrestor Type | Gas tube |
Contact Plating | Gold |
Contact Material | Phosphor bronze |
Coupling Mechanism | Threaded |
HS Code | 8536909000 |
Frequency (Max GHz) | 6 |
Impedance (Ohms) | 50 |
Insulator Material | PTFE |
Orientation | Straight |
Temperature Range | -65 to 165 ° C |
Mating Cycles | 500 Min |
FAQ
Sample Delivery Time
Regular models require 15 days, while some complex connectors require 25 days.
Sample Fee
Most RF connectors are CNC-machined parts and do not require mold-making.
However, each part needs to be fine-tuned on the CNC machine. Typically, a single sample costs $200.
This fee will be refunded after a 5K bulk order.
Guarantee
Brass RF connectors come with a one-year warranty.
Stainless steel connectors come with a three-year warranty.
The lifespan also depends on the contact material beryllium contacts offer better durability.
ROHS & REACH Compliance
Our products fully comply with ROHS & REACH regulations.
Does LENORF Offer Military-Grade Products?
Yes. We are honored to provide military-grade products with exceptionally stable quality.
MOQ (Minimum Order Quantity)
Regular connectors: 500 PCS
Adapters: 100 PCS
Military connectors: 100 PCS
Materials
Common materials include:
Body: Brass, stainless steel
Insulator: PTFE, PEEK
Contacts: Brass, phosphor bronze, beryllium copper
Other: Aluminum, titanium alloy
What is VSWR, and why does it matter?
VSWR (Voltage Standing Wave Ratio) indicates signal reflection. Ideal: 1.0 (perfect match). Lower VSWR means less signal loss and distortion.
What are typical applications of RF connectors?
Telecom (5G, LTE, satellite) Aerospace & defense (radar, avionics, secure comms) Test & measurement (network/spectrum analyzers) Broadcast & video distribution Automotive radar and IoT devices Medical imaging & equipment
What is the difference between RF connectors and coaxial connectors?
They are often used interchangeably. However: Coaxial connector refers to the physical design (shielded cylindrical form). RF connector emphasizes its use in radio-frequency applications. Most RF connectors are coaxial.
What is “reverse polarity” (RP-SMA, RP-TNC)?
Reverse polarity means the gender of the center pin is swapped while keeping the outer body style unchanged. It was introduced to comply with regulatory requirements in Wi-Fi devices and to prevent connection with standard SMA/TNC.
