CLARE TG-99

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.
APPLICATIONS
FEATURES
■ Tight DC breakdown voltage tolerance (± 10%)
■ Long-life tungsten or molybdenum electrodes
■ Rugged ceramic-to-metal or glass-to-metal
■
■
■
■
construction
Test equipment
Video displays
Pulse generators
Medical electronics
VOLTAGE RANGES
Series
DC Breakdown
Units
Voltage
TG
Two
0.345 - 60.0
kV
1.0 - 27.5
kV
Electrode
TG
Three
Electrode
(See detailed specifications for more data. Contact CP Clare for TG and XG part numbers or for other
requirements not listed.)
North America: 1-800-CPCLARE
564
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
NUMBER
DC BREAKDOWN
VOLTAGE
(KV ± 10%)
INITIAL
REPETITIVE
PULSE
PULSE
BREAKDOWN
BREAKDOWN
VOLTAGE (KV)(3) VOLTAGE (KV)(3)
PACKAGE
OUTLINE
DIMENSION A
(INCHES)
DIMENSION B
(INCHES)
DIMENSION C
(INCHES)
TG-6
TG-8(1)
TG-9
TG-14
TG-15
TG-16(1)
TG-17
TG-19(2)
TG-20A
TG-22
2.50
2.50
3.00
12.50
3.00
3.00
2.60
2.20 ± 0.20
21.00
1.00
—
—
—
19.0 - 28.0
—
—
—
—
17.0 - 24.0
—
—
—
—
17.0 - 21.0
—
—
—
—
—
—
1
1
1
2
1
1
1
1
7
1
0.620 max
0.620 max
0.620 max
—
0.620 max
0.620 max
0.620 max
0.620 max
2.250 ± 0.125
0.620 max
0.455 ± 0.031
1.000 ± 0.031
0.460 ± 0.031
—
1.000 ± 0.031
1.000 ± 0.031
0.455 ± 0.031
0.455 ± 0.031
—
0.435 ± .031
0.188 max
0.125 max
0.188 max
—
0.125 max
0.125 max
0.188 max
0.275 ± .07
—
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
2
2
2
2
2
2
2
2
—
0.600 ± .030
—
—
—
—
—
—
—
—
—
1.100 ± .031
—
—
—
—
—
—
—
—
—
0.250 max
—
—
—
—
—
—
—
—
TG-34
5.00
—
—
2
—
—
—
TG-35
TG-36
TG-37
TG-38
TG-39
TG-40
TG-41A
TG-42A
TG-43A
6.00
8.00
10.00
12.50
15.00
17.50
0.75
1.00
1.25
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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
TG-56
TG-57
TG-58
TG-59
TG-60
17.50
20.00
25.00
30.00
40.00
50.00
—
—
—
—
—
—
—
—
—
—
—
—
3
4
4
4
4
4
—
3.750 ± .125
3.750 ± .125
4.000 ± .188
4.250 ± .188
4.500 ± .188
—
—
—
—
—
—
—
—
—
—
—
—
(1)
(2)
(3)
6-32 tapped hole in non-tubulated end.
Identical tubulation on both ends.
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.
www.cpclare.com
565
HIGH ENERGY SPARK GAP DEVICES
Two Electrode High-Energy Spark Gaps
SPECIFICATIONS
All characteristics at 25˚C.
PART
NUMBER
DC BREAKDOWN
VOLTAGE
(KV ± 10%)
INITIAL
PULSE
BREAKDOWN
VOLTAGE (KV)(3)
REPETITIVE
PULSE
BREAKDOWN
VOLTAGE (KV)(3)
PACKAGE
OUTLINE
DIMENSION A
(INCHES)
DIMENSION B
(INCHES)
DIMENSION C
(INCHES)
TG-61
TG-62
TG-63
TG-64
TG-65
TG-66
TG-67
TG-68
TG-69
TG-70
0.75
1.00
1.25
1.50
2.00
2.50
3.00
4.00
5.00
6.00
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5
5
5
5
5
5
5
5
5
5
0.770 ± .062
0.770 ± .062
0.770 ± .062
0.770 ± .062
0.770 ± .062
0.790 ± .062
0.790 ± .062
0.820 ± .062
0.820 ± .062
0.820 ± .062
0.310 ± .020
0.310 ± .020
0.310 ± .020
0.310 ± .020
0.310 ± .020
0.310 ± .020
0.310 ± .020
0.340 ± .020
0.340 ± .020
0.340 ± .020
0.520 ± .022
0.520 ± .022
0.520 ± .022
0.520 ± .022
0.520 ± .022
0.540 ± .022
0.540 ± .022
0.570 ± .022
0.570 ± .022
0.570 ± .022
TG-71
TG-72
TG-73
TG-74
TG-75
TG-76
TG-77
TG-78
TG-79
TG-82
8.00
10.00
12.50
15.00
17.50
0.40 ± .05
1.00
2.50
15.00
—
—
—
—
—
—
9.0 - 11.5
—
—
15.0 - 19.0
—
—
—
—
—
—
9.0 - 11.5
—
—
13.0 - 18.0
5
5
5
5
5
1
special
1A
2
7A
0.860 ± .062
0.860 ± .062
0.965 ± .062
0.965 ± .062
0.965 ± .062
0.600 ± .030
—
0.620 max
—
0.950 ± .050
0.380 ± .020
0.380 ± .020
0.490 ± .020
0.490 ± .020
0.490 ± .020
0.494 ± .031
—
0.425 ± .031
—
—
0.610 ± .022
0.610 ± .022
0.715 ± .022
0.715 ± .022
0.715 ± .022
0.250 max
—
—
—
—
TG-83
TG-84
TG-85
TG-86
TG-87
TG-89 (2)
TG-90
TG-98
TG-99
TG-100
16.50
30.00
15.00
0.60
0.80
2.90
20.00
0.345 ± .045
2.75 ± 0.25
38.00
16.0 - 22.0(4)
31.0 - 43.0(4)
9.0 - 11.5
—
—
—
17.0 - 24.0
—
—
—
16.0 - 22.0(4)
31.0 - 43.0(4)
9.0 - 11.5
—
—
—
—
—
—
—
2
4
special
1A
1A
1
special
3A
2
4
—
4.000 ± .188
—
0.620 max
0.620 max
0.620 max
—
—
—
4.000 ± .188
—
—
—
0.537 ± .031
0.537 ± .031
0.460 ± .031
—
—
—
0.440 ± .031
—
—
—
—
—
0.188 max
—
—
—
0.188 max
TG-102
TG-103
TG-104
TG-105
TG-106
TG-107
TG-108
TG-109
TG-110
TG-112
1.25
1.50
2.00
2.50
3.00
3.50
4.00
5.00
0.40 ± .05
0.20 ± .10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1A
1A
1A
1A
1A
1A
1A
1A
1A
1
0.620 max
0.620 max
0.620 max
0.620 max
0.620 max
0.620 max
0.620 max
0.620 max
0.620 max
0.620 max
0.440 ± .031
0.445 ± .031
0.445 ± .031
0.445 ± .031
0.487 ± .031
0.487 ± .031
0.487 ± .031
0.487 ± .031
—
0.455 ± .031
0.188 max
0.188 max
0.188 max
0.188 max
0.188 max
0.188 max
0.188 max
0.188 max
—
0.275 ± .075
13.00 ± 1.00
25.00
21.00
21.50
45.00
8.00
—
—
17.0 - 24.0
16.0 - 22.0
—
7.4 - 8.7
—
—
—
—
—
—
3
4A
7
5
4
5
—
3.750 ± .125
2.000 ± .125
0.965 ± .062
4.250 ± .188
0.860 ± .062
—
—
—
0.490 ± .020
—
0.380 ± .020
—
—
—
0.715 ± .022
—
0.610 ± .022
TG-115
TG-116 (6)
TG-117
TG-118
TG-119
TG-120
(1)
6-32 tapped hole in non-tubulated end.
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.
(4)
Pulse repetition rate is 1500pps instead of the standard 400pps.
(5)
Though outlines 2, 3, and 3A are identical, the electrode materials and configurations vary internally.
(6)
Though outlines 4 and 4A are identical, gaps with outline 4A have heavier internal construction to withstand more severe shock and vibration.
(2)
North America: 1-800-CPCLARE
566
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
NUMBER
DC BREAKDOWN
VOLTAGE
(KV ± 10%)
INITIAL
REPETITIVE
PULSE
PULSE
BREAKDOWN
BREAKDOWN
VOLTAGE (KV)(3) VOLTAGE (KV)(3)
PACKAGE
OUTLINE
DIMENSION A
(INCHES)
DIMENSION B
(INCHES)
DIMENSION C
(INCHES)
TG-131
TG-132
TG-133
TG-135
TG-139
TG-140
TG-148
TG-149
TG-152
TG-153
30.00
2.00
9.00
2.00
0.50
0.60
6.00
2.00
0.50
0.38 ± .02
33.0
—
9.0 - 11.5
—
—
—
7.5
—
—
—
25.0
—
9.0 - 11.5
—
—
—
6.0
—
—
—
4A
special
7A
special
1A
3A
special
9
special
1A
4.000 ± .188
—
0.192 ± .010
—
0.487 ± .031
—
—
0.620 max
—
0.487 ± .031
—
—
—
—
—
—
—
0.219 max
—
—
—
—
—
—
—
—
—
—
—
—
TG-155
TG-156
TG-157
TG-162
TG-163
TG-164
TG-166
TG-167
TG-168
TG-169
1.40
2.625 ± 0.125
1.20
21.00 ± 1.00
31.50 ± 3.00
2.20
0.40
0.60
0.80
1.00
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
2
1
9
4
4
9
9
9
9
9
—
0.620 max
0.515 max
3.750 ± .125
4.000 ± .188
0.620 max
0.515 max
0.515 max
0.515 max
0.515 max
—
1.000 ± .031
0.125 max
—
—
0.219nom
0.125 max
0.125 max
0.125 max
0.125 max
—
0.188 max
—
TG-170
TG-171
TG-172
TG-173
TG-174
TG-175
TG-176
TG-183
TG-184(5)
TG-186
2.50
3.00
3.50
4.00
5.00
6.00
6.00
35.00
7.00
20.00
—
—
—
—
—
6.0 - 7.5
—
—
—
—
—
—
—
—
—
6.0 - 7.5
—
—
—
—
9
9
9
9
9
9
7
4
3A
4
0.620 max
0.620 max
0.620 max
0.620 max
0.620 max
0.620 max
2.250 ± 0.125
4.000 ± .188
—
3.750 ± .125
0.219 max
0.219 max
0.219 max
0.219 max
0.219 max
0.219 max
—
—
—
—
—
—
—
—
—
—
—
—
—
—
TG-187
TG-188
TG-189
TG-191(2)
TG-192
TG-193
TG-194
TG-196
TG-197
TG-198(1)
TG-249
1.50
0.60
0.50
0.45
31.00 ± 3.0
2.30
60.00 ± 8.0
9.00
18.375 ± 0.875
1.60
0.18 ± .05
—
—
—
—
—
—
—
9.0 - 11.5
—
—
—
—
—
—
—
—
—
—
9.0 - 11.5
—
—
—
3
1
9
1
4
special
4
7A
2
1
1A
—
0.620 max
0.515 max
0.620 max
4.000 ± .188
—
4.500 ± .188
0.500 ± 0.30
—
0.620 max
0.450 ± .031
—
1.000 ± .031 max
0.125 nom
0.455 ± 0.031
—
—
—
—
—
1.000 ± 0.031
—
—
0.188 max
—
0.275 ± 0.075
—
—
—
—
—
0.125 max
—
TG-359
TG-366A
TG-373
TG-375
TG-376
0.345 ± 0.45
14.00
21.00
20.5 - 24.0
14.8 - 18.15
—
—
—
—
—
—
—
—
—
—
special
special
special
4
4
—
—
—
4.000 ± .188
4.000 ± .188
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
(1)
6-32 tapped hole in non-tubulated end.
Identical tubulation on both ends.
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.
(4)
Pulse repetition rate is 1500pps instead of the standard 400pps.
(5)
Though outlines 2, 3, and 3A are identical, the electrode materials and configurations vary internally.
(6)
Though outlines 4 and 4A are identical, gaps with outline 4A have heavier internal construction to withstand more severe shock and vibration.
(2)
(3)
www.cpclare.com
567
HIGH ENERGY SPARK GAP DEVICES
Two Electrode High-Energy Spark Gaps
DIMENSIONS
mm
(inches)
MECHANICAL DIMENSIONS
TG LEGACY – 1
TG LEGACY 1-A
B
C
A
A DIA.
B
C
TG LEGACY – 4/4A
TG LEGACY – 2/3/3A
2.94 ± 0.24 DIA.
(1.156 ± 0.094)
1.03 NOM.
(0.406)
1.03 NOM.
(0.406)
1.27 ± 0.32 DIA.
(0.500 ± 0.125)
0.91 ± 0.01 DIA.
(0.360 ± 0.005)
0.91 ± 0.01 DIA.
(0.360 ± 0.005)
7.62 ± 0.32
(3.000 ± 0.318)
A
TG LEGACY – 7
TG LEGACY – 5
C
B
3.34 ± 0.02 DIA.
(1.313 ± 0.007)
2.22 ± 0.03 DIA.
(.875 ± 0.010)
1.03 NOM.
(0.406)
0.64
(0.250)
1.57 DIA. MAX.
(0.620)
0.91 ± 0.01 DIA.
(0.360 ± 0.005)
1.42 ± 0.08 DIA.
(0.560 ± 0.031)
A
A
TG LEGACY – 9
TG LEGACY – 7A
A
1.03 NOM.
(0.406)
B
#8 – 32 THREAD
2.26 DIA.
(0.890)
1.57 DIA. MAX.
(0.620)
1.42 ± 0.08 DIA.
(0.560 ± 0.031)
5.08 ± 0.32
(2.000 ± 0.125)
A
North America: 1-800-CPCLARE
568
Europe: 32-11-300868
Asia: 886-2-2523-6368
Japan: 81-3-3980-2212
1.64 ± 0.04 DIA.
(0.645 ± 0.015)
HIGH ENERGY SPARK GAP DEVICES
Three Electrode High-Energy Spark Gaps
SPECIFICATIONS
All characteristics at 25˚C.
PART
APPLIED DC MAIN STATIC DC PEAK CURRENT DELAY TIME PACKAGE
NUMBER VOLTAGE
BREAKDOWN (kV)
(KA)(7)
(µS)(8)
OUTLINE
RANGE
KV (±10%)
DIMENSION A DIMENSION B DIMENSION C
(INCHES)
(INCHES)
(INCHES
TG-7
TG-88
TG-114
TG-121
TG-122
TG-123
TG-124
1.3 - 4.0
1.3 - 4.0
2.5 - 8.0
0.8 - 2.0
1.5 - 4.0
2.3 - 6.0
3.0 - 8.0
5.0
5.0
10.0
2.5
5.0
7.5
10.0
15.0
15.0
15.0
15.0
15.0
15.0
15.0
0.1
0.1
0.1
0.3
0.1
0.1
0.1
I-A
I-B
I-B
I-B/I-D
I-B/I-D
I-B/I-D
I-B/I-D
2.427 nom
2.427 nom
2.427 nom
1.990 nom
1.990 nom
1.990 nom
1.990 nom
0.228 max
0.228 max
0.228 max
0.228 max
0.228 max
0.228 max
0.228 max
1.500 max
2.015 max
2.015 max
1.450 max
1.450 max
1.450 max
1.450 max
TG-125
TG-126
4.5 - 12.0
6.0 - 16.0
15.0
20.0
20.0
20.0
0.1
0.1
I-B/I-D
I-B/I-D
2.67
2.67
0.54
0.54
1.560
1.560
TG-127
TG-151
TG-177
7.5 - 20.0
2.7 - 6.0
0.6 - 1.9
25.0
6.8
2.5
20.0
15.0
10.0
0.1
0.1
0.3
I-B/I-D
special
III
2.797 nom
1.625 max
0.540 max
0.520 ± .030
2.051 max
0.300 ± .025
TG-178
TG-179
1.5 - 3.5
3.0 - 8.0
5.0
10.0
10.0
10.0
0.2
0.1
III
III
1.625 max
1.719 max
0.580 ± .030
0.620 ± .030
0.340 ± .025
0.380 ± .025
TG-180
TG-181
TG-240
4.5 - 12.0
5.3 - 14.0
0.4 - 0.85
15.0
17.5
1.0
10.0
10.0
10.0
0.1
0.1
0.1
III
III
II
1.906 max
1.906 max
0.750 ± .063
0.725 ± .030
0.725 ± .030
-
0.490 ± .025
0.490 ± .025
-
TG-241
TG-242
0.5 - 1.25
0.7 - 1.7
1.5
2.0
10.0
10.0
0.1
0.1
II
II
0.750 ± .063
0.760 ± .063
-
-
TG-243
TG-244
0.8 - 2.1
1.2 - 4.2
2.5
5.0
10.0
10.0
0.1
0.1
II
II
0.760 ± .063
0.760 ± .063
-
-
TG-245
TG-246
TG-247
2.0 - 6.2
3.5 - 8.5
4.5 - 11.0
7.5
10.0
12.5
10.0
10.0
10.0
0.1
0.15
0.15
II
II
II
0.760 ± .063
0.790 ± .063
0.790 ± .063
-
-
TG-248
7.0 - 12.5
15.0
10.0
0.15
II
0.830 ± .063
TG-1208
8.3 - 22.2
25.0 - 30.0
20.0
0.1
I-B
2.797 nom
0.515 ± .020
2.051 max
(7)
The peak current is a conservative maximum for an approximately triangular pulse with a 50µs half-width.
(8) Delay time is for Mode A operation when the applied voltage is 80% of the main static breakdown and the trigger pulse reaches 150% of the maximum
trigger voltage.
ORDERING INFORMATION
A complete part number is represented
by the information in the Part Number
column of the specification table.
www.cpclare.com
569
HIGH ENERGY SPARK GAP DEVICES
Three Electrode High-Energy Spark Gaps
MECHANICAL DIMENSIONS
DIMENSIONS
mm
(inches)
TG LEGACY – 1A
TG LEGACY 1-B
B
C
A
#6 – 32 THREAD
A DIA.
B
0.79 ± 0.16
(0.313 ± 0.063)
C
TG LEGACY 1-D
TG LEGACY II
B
11.11 MAX.
(0.438)
A
A
16.67 ± 0.79 DIA.
(0.656 ± 0.031)
25.40 ± 1.59
(1.000 ± 0.063)
1.59 DIA. TYP.
(0.063)
12.70 ± 1.59
(0.500 ± 0.063)
C
4.76 ± 1.59
(0.188 ± 0.063)
TG LEGACY – OUTLINE III
A
B
2.22 ± 0.03 DIA. MAX.
(0.875 ± 0.010)
2.22 ± 0.03 DIA. MAX.
(0.875 ± 0.010)
C
1.90
(0.075)
1.90
(0.075)
4.76
(0.188)
6.17 ± 0.25 DIA.
(0.243 ± 0.010)
North America: 1-800-CPCLARE
570
0.76 NOM.
(0.030)
Europe: 32-11-300868
2.54
(0.100)
33.35 ± 1.59 DIA.
(1.313 ± 0.063)
13.97 DIA. MAX.
(0.550)
Asia: 886-2-2523-6368
Japan: 81-3-3980-2212
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