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Clare Inc |
HIGH ENERGY SPARK GAP DEVICES
TG Legacy Series
DESCRIPTION
CP Clare’s TG Legacy Series of two electrode sparkgaps excel in applications that require the efficient transfer of
high voltage, high energy pulses and DC overvoltage protection for magnetrons, diodes, capacitors, etc. The TG
Legacy Series also includes three electrode triggered sparkgaps (cold cathode thyratrons) for switching high
levels of stored energy in fractions of a microsecond, on command, using low energy control pulses.
FEATURES
s Tight DC breakdown voltage tolerance (± 10%)
s Long-life tungsten or molybdenum electrodes
s Rugged ceramic-to-metal or glass-to-metal
construction
APPLICATIONS
s Test equipment
s Video displays
s Pulse generators
s Medical electronics
VOLTAGE RANGES
Series
TG
Two
Electrode
DC Breakdown
Voltage
0.345 - 60.0
Units
kV
TG
1.0 - 27.5
kV
Three
Electrode
(See detailed specifications for more data. Contact CP Clare for TG and XG part numbers or for other
requirements not listed.)
564
North America: 1-800-CPCLARE
Europe: 32-11-300868
Asia: 886-2-2523-6368
Japan: 81-3-3980-2212
HIGH ENERGY SPARK GAP DEVICES
Two Electrode High-Energy Spark Gaps
SPECIFICATIONS
All characteristics at 25˚C.
PART DC BREAKDOWN
NUMBER VOLTAGE
(KV ± 10%)
INITIAL
PULSE
BREAKDOWN
VOLTAGE (KV)(3)
REPETITIVE
PULSE
BREAKDOWN
VOLTAGE (KV)(3)
PACKAGE
OUTLINE
DIMENSION A DIMENSION B DIMENSION C
(INCHES)
(INCHES)
(INCHES)
TG-6
2.50
—
—
1
0.620 max
0.455 ± 0.031
0.188 max
TG-8(1)
2.50
—
—
1
0.620 max
1.000 ± 0.031
0.125 max
TG-9
3.00
—
—
1
0.620 max
0.460 ± 0.031
0.188 max
TG-14
12.50
19.0 - 28.0
17.0 - 21.0
2
——
—
TG-15
3.00
—
—
1
0.620 max
1.000 ± 0.031
0.125 max
TG-16(1)
3.00
—
—
1
0.620 max
1.000 ± 0.031
0.125 max
TG-17
2.60
—
—
1
0.620 max
0.455 ± 0.031
0.188 max
TG-19(2)
2.20 ± 0.20
—
—
1
0.620 max
0.455 ± 0.031
0.275 ± .07
TG-20A
21.00
17.0 - 24.0
—
7
2.250 ± 0.125
—
—
TG-22
1.00
—
—
1
0.620 max
0.435 ± .031
0.188 max
TG-24
TG-25
TG-26A
TG-27A
TG-28A
TG-29
TG-30
TG-31
TG-32
TG-33
15.50
0.40
0.75
1.00
1.25
1.50
2.00
2.50
3.00
4.00
35.5 max
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2 —— —
1
0.600 ± .030
1.100 ± .031
0.250 max
2 —— —
2 —— —
2 —— —
2 —— —
2 —— —
2 —— —
2 —— —
2 —— —
TG-34
TG-35
TG-36
TG-37
TG-38
TG-39
TG-40
TG-41A
TG-42A
TG-43A
5.00
6.00
8.00
10.00
12.50
15.00
17.50
0.75
1.00
1.25
—
—
—
—
—
—
—
—
—
—
—2
—2
—2
—2
—2
—2
—2
—3
—3
—3
——
——
——
——
——
——
——
——
——
——
—
—
—
—
—
—
—
—
—
—
TG-44
TG-45
TG-46
TG-47
TG-48
TG-49
TG-50
TG-51
TG-52
TG-53
TG-54
1.50
2.00
2.50
3.00
4.00
5.00
6.00
8.00
10.00
12.50
15.00
—
—
—
—
—
—
—
—
—
—
—
—3
—3
—3
—3
—3
—3
—3
—3
—3
—3
—3
——
——
——
——
——
——
——
——
——
——
——
—
—
—
—
—
—
—
—
—
—
—
TG-55
17.50
—
—3
——
—
TG-56
20.00
—
—
4
3.750 ± .125
—
—
TG-57
25.00
—
—
4
3.750 ± .125
—
—
TG-58
30.00
—
—
4
4.000 ± .188
—
—
TG-59
40.00
—
—
4
4.250 ± .188
—
—
TG-60
50.00
—
—
4
4.500 ± .188
—
—
(1) 6-32 tapped hole in non-tubulated end.
(2) Identical tubulation on both ends.
(3) The voltage level at which the spark discharge occurs when a unipolarity pulse train is applied to the gap. Typically, the pulse repetition rate is 400 pps (pulses/second) with a rise
time of 0.3 µs and a pulse width of 0.5 µs. The “initial” range specifies at what increasing voltage the gap begins to fire and the “rep” range specifies at what decreasing voltage the
gap ceases to fire repetitively.
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