CG275LTE Datasheet, PDF (2/6 Pages) Littelfuse – Rugged Ceramic-Metal construction Low Capacitance Instrumentation circuits

Gas Discharge Tube (GDT) Products
CG/CG2 Series
Electrical Characteristics
Device Specifications (at 25°C)
Life Ratings
Part
Number
CG75
DC Breakdown
in Volts
(@100V/s)
Impulse
Break-
down
in Volts
(@100V/µs)
Impulse
Break-
down In
Volts
Insulation
Resistance
(@1 Kv/µsec)
Capaci-
tance
(@1MHz)
Arc
Voltage
(on state
Voltage)
@1Amp
Min
Surge
Life
(@500A
10/1000µs)
Nominal Nominal AC
DC
Max
Impulse
AC Dischage Holdover Impulse
Discharge Discharge Current Voltage² Discharge
Current Current (9 cycle
Current
(8/20µs)
(10x1sec
@50-60Hz)
@50Hz)
(1 Application
@ 10/350µs)
MIN TYP MAX MAX
MIN
MAX TYP
TYP
60 75 90 400
650
CG90
CG90 SN
72 90 108 400
72 90 108 400
600
10¹⁰ Ω
600 ^{(at 50V)}
52 V
4kA
CG110
88 110 132 450
600
CG2145
116 145 174 500
600
80 V
CG2145 SN 120 145 174 500
600
CG2230 195 230 265 600
700
CG2230 SN 184 230 276 600
700
CG2250 213 250 288 625
CG2250 SN 200 250 300 625
CG2300 255 300 345 700
CG2300 SN 240 300 360 700
CG2350 297 350 403 750
725
725
800
1.5 pf
15 V
10 shots
400 ^(@20kA)3
shots
20 A
100 A
800
10¹⁰ Ω
900 (at 100V)
2.5kA
CG2350 SN 280 350 420 750
900
135 V
CG2420 357 420 483 800 1000
CG2470 400 470 540 850 1200
CG2470 SN 376 470 564 850 1200
CG2600 510 600 690 1000 1400
CG2600 SN 480 600 720 1000 1400
CG2800¹
CG21000¹
680 800 920 1200
850 1000 1150 1500
1500
1600
10 shots
(@10kA)
10 A
65 A
NOTES:
1. Tested to UL1449 Third Edition
2. Reference REA PE-80, 0.2A. Tested to ITU-T Rec K.12 and REA PE 80 < 150 mSec.
Product Characteristics
Materials
LS, Axial:
Device: Tin Plated 2–5 Microns
Lead Wires: Tin Plated 17.5 ± 12.5 Microns
Construction: Ceramic Insulator
Core:
Device: Tin Plated 17.5 ± 12.5 Microns.
Construction: Ceramic Insulator
MS:
Device: Dull Tin Plated 7–9 Microns
Construction: Ceramic Insulator
Product Marking
LF Logo, Voltage and date code; Black in
positive print
Glow to arc
transition current
< 0.5Amps
Glow Voltage
60-160 Volts
Storage and
Operational
Temperature
Maximum Follow
On Current¹
-40 to +90
230 Volts r.m.s, 200 Amps.
(800V and 1000V devices tested to UL1449 3rd edition)
CG/CG2 Series
Revised: January 10, 2013
©2013 Littelfuse, Inc.
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.