Gas Discharge Tube (GDT) Products

©2013 Littelfuse, Inc.

Revised: February 19, 2013

Specifications are subject to change without notice.

Please refer to www.littelfuse.com for current information.

Customer should verify actual device performance in their specific applications.

AC and CG3 Series

AC and CG3 Series

Description

Littelfuse AC series two-electrode line protectors

provide a high degree of surge protection in AC line

applications. The two models, AC120 and AC240

are designed for use with 120VAC and 240VAC lines

respectively. They are able to extinguish AC follow-on

currents of at least 200A.

Littelfuse CG3 two electrode high voltage (1.0 - 7.5

KV) devices are designed for surge protection and

high isolation applications, and for applications

for which bias voltages or signal levels of several

hundred volts are normally present.

Features

• Rugged ceramic-metal

construction

• Low capacitance (<1.5

pF)

• Available in tape-and-

reel packaging

• Available with or

without leads

AGENCY

AGENCY FILE NUMBER

Agency Approvals

AC and CG3 Series

Applications

• CRT terminals

• CATV equipment

• Antennas

• Power supplies

• Medical electronics

CG3 Series:

• Long branch circuits

(AC wall outlet)

• Short branch circuits

(at breaker box,

computer, etc)

• Power supplies

• Test equipment

• Submersible pumps

• Medical electronics

AC Series:

*NOTE: CG3 7.5 product UL approval is currently pending

2 Electrode GDT Graphical Symbol