PRODUCT
CATALOG
& DESIGN
GUIDE
Gas Discharge Tube (GDT)
Products
Gas Discharge Tubes
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/12/17
Series
Name
1
DC
Breakover
Voltage
Range
(Nom V
BO
)
Max AC
Surge
Rating
Peak Pulse
Current
(8x20µs)
Max
Capacitance
Operating
Temperature
Range
# Terminals
Mounting Options
RoHS Compliant
Lead Free
Mini Tube
Surface
Axial Lead
Radial Lead
Cartridge Clip
High Voltage GDTs
CG4 800 - 3000 3A 3000A 0.8pF
-40°C to +90°C
2 • • •
AC 285 - 600
NA
5000A 1.5pF 2 • •
CG3 1000 - 7500 5000A 1.5pF 2 • •
Low to Medium Surge GDTs
CG7 75 - 470 1A 1000A 0.3pF
-40°C to +90°C
2 • • •
CG6
75 - 600 3A 3000A 0.3pF 2 • • •
CG5
90 - 600 5A 5000A 1.5pF 2 • • • •
SL0902A 90 - 600 5A 5000A 1.5pF 2 • • • •
SL1002A
75 - 600 5A 5000A 1.2pF 2 • • • •
SL1003A
90 - 500 10A* 10,000A 1.5pF 3 • • • • •
SL1010A
75 to 470 5000A 1.5pF 3 • • •
SL1011A
75 - 600 5A 5000A 1.5pF 2 • • • •
Medium to High Surge GDTs
SL1122A 90 - 260 10A* 10000A* 100-270pF
-40°C to +90°C
3 • •
SL1021A
75 - 600 10A* 20000A* 1.5pF 3 • • • •
SL1411A
75 - 600 10A 10000A 1.5pF 2 • • • •
CG/CG2
75 - 1000 20A 20000A 1.5pF 2 • • • •
Very High Surge GDTs
SL1021B 75 - 600 10A* 20000A* 1.5pF
-40°C to +90°C
3 • • • •
SL1026
275 - 700 10A* 40000A* 3 • • •
Squared GDTs
SE 140 to 500 0.5KA 0.5pF
-40°C to +90°C
2 • •
SG 75 to 600 1KA / 2KA 1pF 2 • •
SH 75 - 600 5A 5000A 0.7pF 2 • • •
(1) P
lease refer to product data in our datasheets for detailed information by part number.
* Total current through center (ground) terminal
© 2017 Littelfuse, Inc.
Specifications, descriptions and illustrative material in this literature are
as accurate as known at the time of publication, but are subject to change
without notice. Visit www.littelfuse.com for more information.
TABLE OF CONTENTS
GDT Characteristics, Terms and Consideration Factors
Legal Disclaimers