Gas Discharge Tube (GDT) Products
CG7 Series
CG7 Series
RoHS
Description
Littelfuse CG7 Series offers high surge ratings in a
miniature surface mount package. Special design
features provide high levels of protection against fast
rising transients caused by lightning disturbances.
These devices are extremely robust and are able to
divert 1kA pulse without destruction.
RY
Littelfuse CG7 mini Gas Tubs are specifically
designed for protection of electrical, multimedia,
and communication equipment against over voltage
transients in surface mount assembly applications.
This series offers the most cutting edge protection
using non-radioactive elements. Low insertion
loss is perfectly suited to broadband equipment
applications.
Agency Approvals
AGENCY FILE NUMBER
A
AGENCY
E128662
IN
• 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
• 1kA surge capability
tested with 8/20μS
pulse as defined by IEC
61000-4-5
PR
EL
IM
Two Electrode GDT Graphical Symbol
Features
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/18/16
• Ultra small devices
offered in SMD package
• Ultra Low capacitance
(0.3pF)
• Voltage Ranges 75V to
470V
• UL recognized
• Conforms to ITU-T K12,
IEC 61000-4-5
Applications
• Set top box
• Cable Modem
• Embedded Multimedia
Terminal Adapter
(EMTA)
• RF Connector
• RJ45 Connector
• Multimedia over Coax
Alliance (MoCA)
• Antenna
• Coaxial Cable
• G.fast modem
• CATV equipment
• Data lines
• Telecom SLIC protection
• Broadband equipment
• ADSL equipment,
including ADSL2+
• XDSL equipment
• IAD (Internet Access
Device)
Gas Discharge Tube (GDT) Products
CG7 Series
Electrical Characteristics
Device Specifications (at 25°C)
(@100V/s)
Part
Number
CG775
CG790
CG7120
CG7150
CG7200
CG7230
CG7250
CG7350
CG7400
CG7470
Impulse
Breakdown
in Volts
Impulse
Breakdown In
Volts
(@100V/µs)
(@1kV/µsec)
MIN
TYP MAX
MAX
60
72
96
120
160
186
200
280
360
376
75
90
120
150
200
230
250
350
400
470
500
500
500
500
600
600
600
600
700
800
90
108
144
180
240
276
300
420
480
564
Insulation
Resistance
(@1MHz)
Max Impulse AC Dischage
Current
Discharge
(9 cycle @50Hz)
Current
(10x700µs)
MAX
DC
Holdover
Voltage
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