This page when combined with page 4 (after printing) will give you a complete specifications on various gas tubes.
TII GAS TUBE DATA
Page 3 of 4

Model
Number
Figure
Number
DC
Breakdown
Voltage
Single
Impulse
Discharge
Current
AC
Discharge
Current
11 Cycles
Impulse Breakdown Holdover
Voltage
at 200mA
Impulse Life
500A at
10/100
Cont.
Pg. 4-A
Voltage Waveform
v/Ásec
73-090 10 75-120 20 kA
10 kA / Side
. 0.35 kV 100 V 150 V 400 times Cont.
Pg. 4-B
73-400 10 300-500 20 kA
10 kA / Side
. 0.65 kV
0.7 kV
100 V
1 kV
150 V 400 times
500 A / Side
Cont.
Pg. 4-C
74-400 11 ELECTRICAL CHARACTERISTICS IDENTICAL TO THE TII 73-400 TUBE Cont.
Pg. 4-D
73-300 10 240-360 20 kA
10 kA / Side
. 0.65 kV
0.7 kV
100 V
1 kV
150 V 400 times
500 A / Side
Cont.
Pg. 4-E
74-300 11 ELECTRICAL CHARACTERISTICS IDENTICAL TO THE TII 73-300 TUBE Cont.
Pg. 4-F
73-200 10 180-240 20 kA
10 kA / Side
. 0.4 kV
0.45 kV
100 V
1 kV
150 V 400 times
500 A / Side
Cont.
Pg. 4-G
74-200 11 ELECTRICAL CHARACTERISTICS IDENTICAL TO THE TII 73-200 TUBE Cont.
Pg. 4-H
75 12 375-475 20 kA
10 kA / Side
. 0.65 kV
0.7 kV
100 V
1 kV
150 V 400 times
500 A / Side
Cont.
Pg. 4-I
208 A 13 230-450 10 kA
5 kA / Side
130 A
65 A / Side
. 100 V
1 kV
150 V . Cont.
Pg. 4-J
40201 14 280-600 10 kA 65 A 0.75 kV
1.2 kV
100 V
1 kV
150 V > 200 times Cont.
Pg. 4-K
40211 15 ELECTRICAL CHARACTERISTICS IDENTICAL TO THE TII 40201 TUBE Cont.
Pg. 4-L
40221 16 200-600 5 kA 10 A < 800 v 3 kV 150 V 5x 10kA, 8/20
10x 5kA, 8/20
Cont.
Pg. 4-M
40231 17 ELECTRICAL CHARACTERISTICS IDENTICAL TO THE TII 40221 TUBE Cont.
Pg. 4-N
40241 15 280-600 20 kA . . . 150 V . Cont.
Pg. 4-O
* = UL Recognized
# = REA Listed
! = CCITT
NOTES:
- Insulation resistance of all gas tubes at 100 vDC = 1000 Megohms or more.
- While all TII gas tubes far exceed the characteristics shown in the above table, it is the policy of TII to
depict the characteristics as limited by various industry specifications (ie. Bellcore, REA, ect.).

Cont.
Pg. 4-P



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