Littelfuse SG Series - Manual

Gas Discharge Tube (GDT) Products
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/25/13
SG Series
Description
Littelfuse SG series GDT offers high surge ratings
in a miniature package. It’s designed for surface
mounting on PCB with small size 4.5x3.2x2.7mm.
Low insertion loss is perfectly suited to broadband
equipment applications. The capacitance does not vary
with voltage, and will not cause operational problems
with ADSL2+, where capacitance variation across Tip
and Ring is undesirable. These devices are extremely
robust and are able to divert a 1000A pulse without
destruction.
Features
• RoHS compliant and
Lead-free
• GHz working frequency
• Excellent stability on
multiple pulse duty cycle
• Excellent response to
fast rising transients.
• Ultra Low Insertion Loss
• 1-2KA surge capability
tested with 8/20μS
pulse as defined by IEC
61000-4-5
• Ultra small devices
offered in a variety of
mounting lead forms
• Non-Radioactive
• Low capacitance (<1pF)
• Voltage Ranges 75V to
600V
• UL recognized
• Conforms to ITU-T K12,
IEC 1000-4-5
• Square Outline
Applications
SG Series
2 Electrode GDT Graphical Symbol
Agency Approvals
AGENCY AGENCY FILE NUMBER
E128662
• Communication
equipment
• CATV equipment
• Test equipment
• Data lines
• Power supplies
• Telecom SLIC
protection
• Broadband equipment
• ADSL equipment,
including ADSL2+
• XDSL equipment
• Satellite and CATV
equipment
• General telecom
equipment