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HIGH-ENERGY TRIGGERED SPARK GAPS
Triggergaps
DESCRIPTION
CP Clare's Triggergaps are high-energy spark gaps that are capable of switching stored energy in a fraction of a microsecond. Triggergaps require no standby power, are extremely rugged, and require only a low-energy, highvoltage triggering pulse. The miniature TA series (1-15kV) provides switching capability for pulses with energy content as high as 50 joules. The larger TB series (2.5-25 kV) will reliably switch pulses with up to 300 joules of energy. The TG-221 to 226 (1-60 kV) can switch pulses with energy contents of up to 6000 joules and feature adjustable self-breakdown voltages.
FEATURES
s Tight self-breakdown voltage tolerance
APPLICATIONS
s s s s
(10%;TA & TB series) s Adjustable self-breakdown voltage (TG-221 to TG-226) s Rugged ceramic-metal construction s Refractory metal electrodes s Corrosion-resistant stainless steel external surfaces (TB series)
High current surge generators Exploding bridge wire systems Crowbars Flashtube triggers
STANDARD VOLTAGES
Series or P/N TA Self-Breakdown Voltage (typ) 1.0 2.0 5.0 7.0 10.0 15.0 2.5 5.0 10.0 15.0 20.0 25.0 1.0-20.0 18.0-40.0 1.0-20.0 18.0-40.0 35.0-60.0 kV kV kV kV kV kV kV kV kV kV kV kV kV kV kV kV kV Units
TB
TG-221 TG-222 TG-224 TG-225 TG-226
North America: 1-800-CPCLARE
Europe: 32-11-300868
Asia: 886-2-2523-6368
Japan: 81-3-3980-2212
558
HIGH-ENERGY TRIGGERED SPARK GAPS
Triggergaps
SPECIFICATIONS
All characteristics at 25C
TA-1.0
CONDITIONS
100V/s t r=0.5s, PW=3.0s 1000 shots into .2
TA-2.0
MIN TYP MAX MIN
TA-5.0
TYP MAX UNITS
PARAMETER Device Specifications
Self-Breakdown Voltage Applied Voltage Trigger Voltage1 Dimension A
SYMBOL MIN
EZ Ebb etrig -
TYP MAX
0.9 1.0 1.1 1.8 2.0 2.2 4.5 5.0 5.5 kV 0.4 0.85 0.7 1.7 1.2 4.2 kV 3.0 2.5 3.0 2.5 3.5 2.5 kV pk 0.687 0.750 0.813 0.697 0.760 0.823 0.697 0.760 0.823 inches 45 50 50 J
Life Ratings
Discharge Life2
TA-7.0
PARAMETER Device Specifications
Self-Breakdown Voltage Applied Voltage Trigger Voltage1 Dimension A 100V/s t r=0.5s, PW=3.0s 1000 shots into .2 EZ Ebb etrig -
TA-10.0
MAX MIN TYP MAX MIN
TA-15.0
TYP MAX UNITS
CONDITIONS
SYMBOL MIN TYP
6.3 7.0 7.7 9.0 10.0 11.0 13.5 15.0 16.5 kV 1.9 5.8 3.5 8.5 7.0 12.5 kV 3.7 2.8 5 3.5 8.0 4.5 kV pk 0.697 0.760 0.823 0.727 0.790 0.853 0.767 0.830 0.893 inches 50 60 70 J
Life Ratings
Discharge Life2
TB-2.5
PARAMETER Device Specifications
Self-Breakdown Voltage Applied Voltage Trigger Voltage1 Dimension A Dimension B Dimension C 100V/s t r=0.5s, PW=3.0s EZ Ebb etrig 2.25 2.50 0.8 3.1 1.99 150 2.75 2.0 1.8 0.23 2.03 4.5 1.5 3.2 150
TB-5.0
MAX MIN TYP
5.0 1.99 -
TB-10.0
MAX
5.5 4.0 1.9 0.23 2.03 -
CONDITIONS
SYMBOL MIN TYP
MIN
9.0 3.0 4.6 300
TYP
10.0 1.99 -
MAX UNITS
11.0 8.0 2.1 0.58 2.10 kV kV kV pk inches inches inches J
Life Ratings
Discharge Life2 discharges into .3
TB-15.0
PARAMETER Device Specifications
Self-Breakdown Voltage Applied Voltage Trigger Voltage1 Dimension A Dimension B Dimension C 100V/s t r=0.5s, PW=3.0s EZ Ebb etrig 13.5 15.0 4.5 6.3 2.67 300 16.5 12.0 3.5 0.58 2.10 -
TB-20.0
MIN
18.0 6.0 8.0 300
TB-25.0
MIN
22.5 7.5 9.7 300
CONDITIONS
SYMBOL MIN TYP
MAX
TYP
20.0 2.79 -
MAX
22.0 16.0 4.5 0.58 2.10 -
TYP
25.0 2.79 -
MAX UNITS
27.5 20.0 5.2 0.58 2.10 kV kV kV pk inches inches inches J
Life Ratings
Discharge Life2
1
discharges into .3
The trigger voltages given in these tables are the minimum triggering voltages necessary for triggering at the corresponding applied voltage limits. As the applied trigger voltage increases, the trigger voltage required for triggering decreases. It is assumed that the trigger is applied across the trigger and adjacent main electrodes -- higher trigger voltages are required if it is applied across the trigger voltage and opposite main electrodes. 2 End point for life testing is a 15% reduction in the self-breakdown voltage. 3 Because the self-breakdown voltage of these devices is adjustable, the trigger voltage required for any particular applied voltage cannot be specified. Clare suggests setting the selfbreakdown voltage to at least 115% of the maximum applied voltage.
www.cpclare.com
559
HIGH-ENERGY TRIGGERED SPARK GAPS
Triggergaps
SPECIFICATIONS
All characteristics at 25C
TG-221
CONDITIONS
100V/s
TG-222
TYP
3.25 2.50 -
TG-224
TYP
3.00 4.50 -
PARAMETER Device Specifications
Self-Breakdown Voltage Applied Voltage Dimension A Dimension B
SYMBOL MIN TYP
EZ E bb
-
MAX MIN
20.0 18.0 18.0 15.0 20 3000
MAX MIN
40.0 35.0 1.0 0.5 50 6000
MAX UNITS
20.0 19.0 kV kV inches inches kA J
PW=30s 1000 shots into 1 -
1.0 0.5 20 3000
2.25 2.50 -
Life Ratings
Peak Current Discharge Life 3
TG-225
PARAMETER Device Specifications
Self-Breakdown Voltage AppliedVoltage Dimension A Dimension B 100V/s EZ E bb
-
TG-226
TYP
4.50 4.50 -
CONDITIONS
SYMBOL MIN TYP
18.0 15.0 3.50 4.50 50 6000 -
MAX MIN
40.0 35.0 35.0 30.0 50 6000
MAX
60.0 55.0 -
UNITS
kV kV inches inches kA J
PW=30s 1000 shots into 1 -
Life Ratings
Peak Current Discharge Life 3
1
The trigger voltages given in these tables are the minimum triggering voltages necessary for triggering at the corresponding applied voltage limits. As the applied trigger voltage increases, the trigger voltage required for triggering decreases. It is assumed that the trigger is applied across the trigger and adjacent main electrodes -- higher trigger voltages are required if it is applied across the trigger voltage and opposite main electrodes. 2 End point for life testing is a 15% reduction in the self-breakdown voltage. 3 Because the self-breakdown voltage of these devices is adjustable, the trigger voltage required for any particular applied voltage cannot be specified. Clare suggests setting the selfbreakdown voltage to at least 115% of the maximum applied voltage.
MECHANICAL DIMENSIONS
TA SERIES
11.11 MAX. (0.438)
ORDERING INFORMATION
Triggergaps with self-breakdown voltages other than the standard values listed (in the ranges of 1-15kV for the TA series and 2.5-25kV for the TB series) are available upon request. A complete part number is represented by the digits below. Self-breakdown voltages are expressed in kV. For example, TA-5.0 is a 5kV TA series device and TB-25.0 is a 25kV TB series device. The TG-221 to 226 are ordered by the appropriate part number as given in the specifications.
DIMENSIONS mm (inches)
A
25.40 1.59 (1.000 0.063) 1.59 DIA. TYP. (0.063) 12.70 1.59 (0.500 0.063) 4.76 1.59 (0.188 0.063)
16.67 0.79 DIA. (0.656 0.031)
TB SERIES
C B
TA- X.X TA- XX.X TB- X.X TB- XX.X
Series
TA TB
ADJACENT OPPOSITE
for 1.0-9.0kV for 10.0-15.0kV for 2.5-9.0kV for 10.0-25.0kV
Self-breakdown voltage
See specification tables
A DIA.
TRIGGER
North America: 1-800-CPCLARE
Europe: 32-11-300868
Asia: 886-2-2523-6368
Japan: 81-3-3980-2212
560

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