description
These devices are designed to limit overvoltages on the telephone line. Overvoltages are normally caused by
a.c. power system or lightning flash disturbances which are induced or conducted on to the telephone line. A
single device provides 2-point protection and is typically used for the protection of 2-wire telecommunication
equipment (e.g. between the Ring to Tip wires for telephones and modems). Combinations of devices can be
used for multi-point protection (e.g. 3-point protection between Ring, Tip and Ground).

TELECOMMUNICATION SYSTEM MEDIUM CURRENT OVERVOLTAGE PROTECTORS
● 4 kV 10/700, 100 A 5/310 ITU-T K20/21 rating
● Ion-Implanted Breakdown Region
    Precise and Stable Voltage
    Low Voltage Overshoot under Surge
● Rated for International Surge Wave Shapes
● Low Differential Capacitance . . . 43 pF max.