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GP-489 Datasheet PDF - PerkinElmer Optoelectronics

Part Number GP-489
Description Mini-Triggered Spark Gaps and Transformers
Manufacturers PerkinElmer Optoelectronics 
Logo PerkinElmer Optoelectronics Logo 

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Total ( 6 pages )



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PerkinElmer’s Mini-Triggered
Spark Gaps are designed for high relia-
bility switching up to 4 kV and 10 kA.
Constructed of hermetically sealed
ceramic-metal, filled with pressurized
gas, they are typically used for activating
electro-explosive devices such as
exploding bridgewires, electronic
safe and arm systems, and detonators.
PerkinElmer’s Trigger Transformers are
matched to the requirements of the
Mini-Triggered Spark Gaps to provide
a high voltage pulse with a fast rise
time and low current. PerkinElmer
Trigger Transformers are designed
to be the most durable and reliable
transformers available.
Mini-Triggered
Spark Gaps
and Transformers
Features
High reliability
Extremely low jitter
Environmentally durable
Small size
Matching trigger transformers
EVERYTHING
IN A
NEW
LIGHT.
PerkinElmer Optoelectronics
page 3

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GP-489 equivalent
Miniature Trigger
Transformers
TR-2189/2190/2206/
2207
These transformers were custom-
designed for reliable triggering of the
PerkinElmer GP-485/486/488/489
triggered spark gaps. They have
operating circuit output voltages well
above the maximum required by the
switches and are capable of sustain-
ing the trigger to adjacent electrode
current during the turn-on phase of
gap operation. These transformers
are constructed using miniature
cores, wound and potted, to produce
high output voltage with a minimum
of corona at twice rated output volt-
age. The TR-2189 and TR-2206 are
low input voltage transformers,
round, with flying leads and solder
connections. The TR-2190 and
TR-2207 are high input voltage
transformers, square, with pins for
PC board connection.
+ 1.0 M
VT(IN)
PS
TR
CT
PF
SF
SS vT(OC)
2N6798
Transformer Circuit
TR-2189/2206Low Voltage
Peak vT(OC) vs Peak VT(IN)
7
6
5
TR-2190/2207High Voltage
Peak vT(OC) vs Peak VT(IN)
9
8
7
6
4
CT = 2.2µf
3
2
5 10 15 20 25 30 35 40 45
VT(IN)INPUT VOLTAGE, kV
5 CT = 0.1µf
4
3
2
0 50
100 150 200 250
VT(IN)INPUT VOLTAGE, kV
Output Voltage as a Function of Input Voltage
VT(IN) = 20 V vT(OC) = 3.85 kV, Peak VT(IN) = 110 V vT(OC) = 4.37 kV, Peak
TR-2189
TR-2206
TR-2190
TR-2207
GND
500ns/Div
500ns/Div
TIME
TIME
Notes: 1. Pulse rise time (10 to 90%): 2.2 µS max
2. Pulse width at 30% of max: 1.0 µS max
3. Corona pri-sec voltage of 8 kVDC
Output Pulse Shapes
GND
page 5
3(7IN6..2M0)IN
TYP
YEL/WHT
PS SS
PF SF
YEL TR-2189
BLK
RED
0.10 ± 0.02
(2.54 ± 0.5)
PS SS
TR-2206
PF SF
#28 AWG
33 TEFLON
0.685 ± 0.010
Z917.4 ± 0.25)
#28 AWG
E TEFLON
0.700 ± 0.010
SQUARE
(17.78 ± 0.25)
0.031
(0.79)
PIN. TYP
0.400 ± 0.010
(10.16 ± 0.25)
0.400 ± 0.010
(10.16 ± 0.25)
TR-2189
*TR-2190
0.10 ± 0.02
(2.54 ± 0.51)
0.520 ± 0.005
SQUARE
(13.21 ± 0.13)
*TR-2190 primary input leads are #30 AWG
E Teflon covered wire
TR-2206
TR-2207
0.200 ± 0.010
(5.08 ± 0.25)
Note: Dimensions in inches (mm in parentheses)
Mechanical Specifications
PerkinElmer Optoelectronics


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