2R-8*8 SERIES
Gas Discharge Tube (GDT) Data Sheet
Features
■
Provide ultra-fast response to surge voltage from slow-rising
■
■
■
■
■
■
■
■
■
■
surge of 100V/s to rapid-rising surge of 1KV/μs
Stable breakdown voltage
High insulation resistance
Low capacitance (≤1.5pF)
High holdover voltage
Large absorbing transient current capability
Micro-Gap Design
Size: 8.0mm*8.0mm
Storage and operating temperature: -40℃ ~ +85℃
Meets MSL level 1, per J-STD-020
Safety certification: E327997
Applications
■
Repeaters, Modems
■
Telephone Interface, Line cards
■
Data communication equipment
■
Line test equipment
Part Number Code
2
R
8
Electrical
Characteristics
H: 2.5KA
K: 3KA
L: 5KA
Electrode Numbers
2R: 2 Electrodes
DC
Spark-over
Voltage
Lead Type
L: Lead
M: SMD
Packing Code
No suffix: Bulk
TR: Tape & Reel packing
Dimensions
8: 8.0mm×8.0mm
Marking
: BrightKing Logo
2RL1000-8 : Device Marking Code
YXXX
: Date Code
Revision: GDT-2R-8*8 SERIES-001(A3)
2/7
http://brightking.pulseelectronics.com
2R-8*8 SERIES
Dimensions
L Type
Symbol
D
d
D
Dimension (mm)
Spec.
D
T
d
L
8.0
8.0
0.8
30.0
8.0
8.0
0.5
Tolerance
+0.3, -0.5
+0.6, -0.1
±0.1
Max.
+0.3, -0.5
+0.6, -0.1
±0.4
L
T
M Type
B
8.0
D
8.0
T
B
T
D
1.5
Recommended Pad Size
Electrical Characteristics
DC
Spark-over
Voltage
Maximum
Impulse
Spark-over
Voltage
1000V/μs
(V)
2200
2400
3000
3600
4000
4200
5000
5200
4000
4200
5000
5200
5500
Nominal
Impulse
Discharge
Current
8/20μs
10times
(KA)
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
Alternating
Discharge
Current
Impulse
Life
10/1000μs
100A
(times)
100
100
100
100
300*
100
100
100
300*
300*
100
100
100
Minimum
Insulation
Resistance
Test
Voltage
DC(V)
500
500
500
500
1000
1000
1000
1000
1000
1000
1000
1000
1000
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Maximum
Capacitance
Part
Number
☆
100V/s
(V)
50Hz,1sec
(A)
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
(GΩ)
1MHz
(pF)
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
AC
Withstanding
Voltage
Device
Marking
Code
2RH1400X-8
2RH1600X-8
2RH2000X-8
2RH2500X-8
2RH2700X-8
2RH3000X-8
2RH3500X-8
2RH3600X-8
2RK2700X-8
2RK3000X-8
2RK3500X-8
2RK3600X-8
2RK4000X-8
1400±20%
1600±20%
2000±20%
2500±20%
2700±20%
3000±20%
3500±20%
3600±20%
2700±20%
3000±20%
3500±20%
3600±20%
4000±20%
-
-
-
AC1250V,1min
AC1250V,1min
AC1500V,1min
AC1800V,1min
AC1800V,1min
AC1250V,1min
AC1500V,1min
AC1800V,1min
AC1800V,1min
AC2000V,1min
2RH1400-8
2RH1600-8
2RH2000-8
2RH2500-8
2RH2700-8
2RH3000-8
2RH3500-8
2RH3600-8
2RK2700-8
2RK3000-8
2RK3500-8
2RK3600-8
2RK4000-8
Revision: GDT-2R-8*8 SERIES-001(A3)
3/7
http://brightking.pulseelectronics.com
2R-8*8 SERIES
Electrical Characteristics
DC
Spark-over
Voltage
Maximum
Impulse
Spark-over
Voltage
1000V/μs
(V)
1400
2200
2400
3000
3600
Nominal
Impulse
Discharge
Current
8/20μs
10times
(KA)
5.0
5.0
5.0
5.0
5.0
Alternating
Discharge
Current
Impulse
Life
10/1000μs
100A
(times)
100
100
100
100
100
Minimum
Insulation
Resistance
Test
Voltage
DC(V)
500
500
500
500
1000
1.0
1.0
1.0
1.0
1.0
Maximum
Capacitance
Part
Number
☆
100V/s
(V)
50Hz,1sec
(A)
5.0
5.0
5.0
5.0
5.0
(GΩ)
1MHz
(pF)
1.5
1.5
1.5
1.5
1.5
AC
Withstanding
Voltage
Device
Marking
Code
2RL1000X-8
2RL1400X-8
2RL1600X-8
2RL2000X-8
2RL2500X-8
1000±20%
1400±20%
1600±20%
2000±20%
2500±20%
-
-
-
-
AC1250V,1min
2RL1000-8
2RL1400-8
2RL1600-8
2RL2000-8
2RL2500-8
*
Measured with an 8/20μs waveform, 100A.
☆X
may be L or M.
Electrical Ratings
Items
DC Spark-over
Voltage
Maximum Impulse
Spark-over Voltage
Test Condition/Description
The voltage is measured with voltage ramp dv/dt=100V/s.
The maximum impulse spark-over voltage is measured with voltage ramp
dv/dt=1000V/μs.
Maximum 8/20μs surge current that can be applied between two
electrodes, 5 positive and 5 negative surges, with 3 minutes interval time,
without causing the DC spark-over voltage to change more than 25%
from its initial value.
Crest value
100
90
Requirement
Discharge Current
Current (%)
Impulse
To meet
50
20µs
10
0
8µs
Time
Impulse Width
the specified
value
Alternating
Discharge Current
Insulation
Resistance
Capacitance
Rated RMS value of AC current at 50Hz, 1 sec. for 10 times with interval
time 3 min. DC spark-over voltage shall not change more than ±25%
8
from its initial value.IR＞10 ohms
The resistance of gas tube shall be measured between two electrodes.
The capacitance of gas tube shall be measured between two electrodes.
Test frequency: 1MHz
Revision: GDT-2R-8*8 SERIES-001(A3)
4/7
http://brightking.pulseelectronics.com
2R-8*8 SERIES
Recommended Soldering Conditions
Wave Soldering
300
Preheating
Maximum Wave 265℃
Soldering
Cooling
250
Temperature (℃)
200
150
100
50
0
0
0.5
1
1.5
2
2.5
Time (minutes)
3
3.5
4
Item
Peak Temperature
Dipping Time
Soldering
Reflow Soldering
Conditions
265℃
10 seconds
1 time
T
P
Ramp-up
T
L
T
S max
Temperature
t
P
Critical Zone
T
L
to T
P
t
L
T
S min
t
S
Preheat
Ramp-down
25
t 25℃ to Peak
Time
Profile Feature
Average ramp-up rate (T
L
to T
P
)
Preheat
-Temperature Min (T
S min
)
-Temperature Max (T
S max
)
-Time (min to max) (ts)
T
S max
to T
L
-Ramp-up Rate
Time maintained above:
-Temperature (T
L
)
-Time (t
L
)
Peak Temperature (T
P
)
Time within 5℃ of actual Peak Temperature (t
P
)
Ramp-down Rate
Time 25℃ to Peak Temperature
Pb-Free Assembly
3℃/second max.
150℃
200℃
60-180 seconds
3℃/second max.
217℃
60-150 seconds
260℃
20-40 seconds
6℃/second max.
8 minutes max.
Revision: GDT-2R-8*8 SERIES-001(A3)
5/7
http://brightking.pulseelectronics.com
2R-8*8 SERIES
Packaging
Axial Packing (Bulk)
Skin packing
Symbol
Spec.
A
B
H
265.0
146.0
9.5
Tolerance
±5.0
±5.0
±0.5
Dimension (mm)
Quantity: 100pcs
Inner box
A0
B0
H0
270.0
150.0
50.0
±2.0
±2.0
±2.0
Quantity: 500pcs
Axial Packing (Tape & Reel)
Tape
Symbol
Spec.
P
W
E
F
d
Reel
A1
B1
C1
D
t
10.0
65.0
6.0
26.5
0.8
330.0
70.0
82.0
25.0
2.0
Tolerance
±0.5
±1.0
±0.5
±0.5
±0.1
±2.0
±2.0
±2.0
±0.5
±0.2
Dimension (mm)
Quantity: 500pcs
Revision: GDT-2R-8*8 SERIES-001(A3)
6/7
http://brightking.pulseelectronics.com
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