RF Surge Arrester -BS BNC GA
RF Surge Arrester BS BNC GA (680017) is for installation at LPZ 0B-1 or higher, protecting 50Ω coaxial cable system, applied in coaxial cable system, cell sites and antenna system. This product is designed in accordance with IEC 61643.21/EN 61643-21/GB/T 18802.21.
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Type
BS BNC GA
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Art.-No.
680017
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Features
1. With exchangeable integrated gas discharge tube.
2. High discharge capacity, low voltage protection level.
3. Up to 3GMHz frequency range, high performance transmission.
4. Metallic housing BNC connection, easy for installation.
Inquiry
Download Datasheet
For 50Ω/75Ω Coaxial Cable(Antenna Feeder) System
0-3000MHz(0-3GHz)
90V or 250V Optional
BNC(plug/socket) Connection
High Surge Currents: Imax=20kA(8/20μs)
RF Surge Arrester provides compact surge protection for BNC-connected RF equipment operating across 50Ω or 75Ω coaxial networks. Its low-loss signal path supports frequencies up to 3 GHz while limiting transient energy before it reaches sensitive ports. The plug-to-socket structure enables direct installation without unnecessary adapters, helping maintain connection stability. Replaceable gas discharge protection reduces maintenance cost, making the arrester suitable for test instruments, radio receivers, telemetry systems, video networks, communication racks, and laboratory measurement equipment.
Features
1. BNC Inline Connection: Uses a BNC plug-to-socket interface for fast connection to RF instruments, receivers, control equipment, and compact coaxial assemblies.2. 50Ω and 75Ω System Options: Available impedance configurations support both standard communication networks and video or antenna-related coaxial systems.
3. Broadband RF Transmission: Operates across a frequency range of 0–3 GHz, supporting multiple radio, monitoring, and communication bands.
4. Replaceable Discharge Element: An exchangeable gas discharge tube provides surge diversion while allowing practical replacement after service-life indication.
5. High Transient Current Handling: Provides 10 kA nominal and 20 kA maximum discharge capability under the specified 8/20 μs waveform.
6. Low-Loss Signal Path: Insertion loss of no more than 0.2 dB limits the effect of the arrester on connected RF signals.
Advantages
1. Fits Compact RF Equipment: The BNC interface makes the arrester easier to integrate with test instruments, control systems, radio receivers, and rack-mounted equipment.2. Supports Mixed Coaxial Networks: Selectable 50Ω and 75Ω versions allow buyers to match the arrester with different RF and video transmission systems.
3. Limits Connector Adaptation: Direct BNC connection reduces the need for additional adapters that may increase signal loss or create loose connection points.
4. Protects Equipment-Side RF Ports: The compact structure allows installation close to sensitive input and output ports where final surge control is required.
5. Maintains Broadband Performance: The 3 GHz operating range supports multiple communication bands without requiring separate arresters for each lower-frequency system.
6. Reduces Full-Unit Replacement: The replaceable gas discharge tube lowers maintenance cost when the internal protective element reaches the end of its service life.
Applications
1. RF Test and Measurement Equipment: Protects BNC-connected analyzers, receivers, counters, and laboratory RF instruments from coaxial surge events.2. Radio Communication Systems: Suitable for transceivers, repeaters, monitoring receivers, and fixed radio equipment using BNC connections.
3. Video and Monitoring Networks: The 75Ω version can protect coaxial video paths, monitoring equipment, and related signal interfaces.
4. Telemetry and Remote Control Systems: Used on RF links carrying measurement, alarm, control, or remote monitoring signals.
5. Indoor Communication Racks: Installed near rack-mounted RF equipment where compact size and direct BNC integration are preferred.
6. Antenna Receiver Inputs: Provides surge protection near receiver-side antenna ports and low-power RF terminal equipment.
7. Laboratory and Engineering Installations: Suitable for development benches, test platforms, and technical facilities using BNC coaxial connections.
Technical Data
Product Showcase
BNC 90V 0-3GHz DC RF SPD/75Ω
BNC 250V 0-3GHz DC RF SPD/75Ω
Dimension
Circuit
Installation
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