Littelfuse, GTCA25 400V 2.5kA, Axial 2 Electrode Gas Discharge Tube

GTCX25-XXXM-R02 Series Gas Discharge tubes by Tyco Electronics giving excellent surge protection characteristics, low capacitance and a broad array of breakover voltage levels, making them suitable for applications such as MDF (Main Distribution Frame) modules, high data-rate Telecom applications (e.g. ADSL, VDSL), and surge protection on power line

2-Poles, 5mm Devices
Broad Voltage Range from 75V - 600V
Low capacitance and insertion loss
Compact, small form factor suitable for efficient assembly
Helps provide overvoltage fault protection against high energy surges
Suitable for high-frequency applications

Applications include:

Telecommunications - MDF modules, xDSL equipment, RF system protection, antenna and base station
Industrial and consumer electronics, such as Surge protectors and Alarm systems