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: UL: E327997
Applications
■
■
■
■
Repeaters, Modems.
Telephone Interface, Line cards.
Data communication equipment.
Line test equipment
Part Number Code
2
8
R
H: 2.5KA
K: 3KA
L: 5KA
2R: 2 Electrodes
L: Lead
M: SMD
No suffix: Bulk
TR: Tape & Reel packing
8: 8.0mm×8.0mm
Marking
Revision:08-Oct-15
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2R-8*8 SERIES
Dimensions
L Type
Dimension (mm)
Symbol
Spec.
Tolerance
D
8.0
+0.3, -0.5
T
8.0
+0.6, -0.1
0.8
±0.1
1.0
±0.1
L
30.0
Max.
D
8.0
+0.3, -0.5
T
8.0
+0.6, -0.1
B
1.1
±0.4
d
M Type
Electrical Characteristics
DC
Spark-over
Part
Voltage
Maximum
Nominal
Impulse
Impulse
Spark-over
Discharge
Voltage
Current
Number
8/20μs
100V/s
1000V/μs
(V)
(V)
(KA)
10times
Alternating
Discharge
Current
Impulse
Life
Minimum
Insulation
Resistance
Maximum
Capacitance
Device
Marking
10/1000μs
Test
100A
Voltage
(A)
(times)
DC(V)
50Hz,1sec
(GΩ)
1MHz
Code
(pF)
2RH1400L-8
2RH1400M-8
1400±20%
2200
2.5
2.5
100
500
1.0
1.5
2RH1400-8
2RH1600L-8
2RH1600M-8
1600±20%
2400
2.5
2.5
100
500
1.0
1.5
2RH1600-8
2RH2000L-8
2RH2000M-8
2000±20%
2800
2.5
2.5
100
500
1.0
1.5
2RH2000-8
2RH2500L-8
2RH2500M-8
2500±20%
3600
2.5
2.5
100
500
1.0
1.5
2RH2500-8
2RH2700L-8
2RH2700M-8
2700±20%
3800
2.5
2.5
300*
1000
1.0
1.5
2RH2700-8
2RH3000L-8
2RH3000M-8
3000±20%
4200
2.5
2.5
100
1000
1.0
1.5
2RH3000-8
2RH3500L-8
2RH3500M-8
3500±20%
5000
2.5
2.5
100
1000
1.0
1.5
2RH3500-8
2RK2700L-8
2RK2700M-8
2700±20%
3800
3.0
3.0
300*
1000
1.0
1.5
2RK2700-8
2RK3000L-8
2RK3000M-8
3000±20%
4200
3.0
3.0
300*
1000
1.0
1.5
2RK3000-8
2RK3500L-8
2RK3500M-8
3500±20%
5000
3.0
3.0
100
1000
1.0
1.5
2RK3500-8
2RK4000L-8
2RK4000M-8
4000±20%
5500
3.0
3.0
100
1000
1.0
1.5
2RK4000-8
2RK5000L-8
2RK5000M-8
5000±20%
6400
3.0
3.0
100
1000
1.0
1.5
2RK5000-8
2RK6000L-8
2RK6000M-8
6000±20%
7800
3.0
3.0
100
1000
1.0
1.5
2RK6000-8
* Measured with an 8/20μs waveform, 100A
Revision:08-Oct-15
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2R-8*8 SERIES
Electrical Characteristics
DC
Spark-over
Part
Voltage
Maximum
Nominal
Impulse
Impulse
Spark-over
Discharge
Voltage
Current
Number
8/20μs
100V/s
1000V/μs
(V)
(V)
(KA)
10times
Alternating
Discharge
Current
Impulse
Life
Minimum
Insulation
Resistance
Maximum
Capacitance
Device
Marking
10/1000μs
Test
100A
Voltage
(A)
(times)
DC(V)
50Hz,1sec
1MHz
(GΩ)
Code
(pF)
2RL1000L-8
2RL1000M-8
1000±20%
1400
5.0
5.0
100
500
1.0
1.5
2RL1000-8
2RL1400L-8
2RL1400M-8
1400±20%
2200
5.0
5.0
100
500
1.0
1.5
2RL1400-8
2RL1600L-8
2RL1600M-8
1600±20%
2400
5.0
5.0
100
500
1.0
1.5
2RL1600-8
2RL2000L-8
2RL2000M-8
2000±20%
2800
5.0
5.0
100
500
1.0
1.5
2RL2000-8
2RL2500L-8
2RL2500M-8
2500±20%
3600
5.0
5.0
100
1000
1.0
1.5
2RL2500-8
Notes: The surface for 2RXXXXXM-8 series products is default for nickel plating, please change to use tin plating if used on PCB
boards while soldering, and adding the code “Sn” as suffix of the part number to distinguish.
Electrical Ratings
Items
DC Spark-over
Voltage
Maximum Impulse
Spark-over Voltage
Test Condition/Description
Requirement
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.
Impulse
Discharge Current
Alternating
Discharge Current
Insulation
Resistance
Capacitance
Revision:08-Oct-15
To meet
the specified
value
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%
from its initial value.
IR>108 ohms (-20%, +30% for 70~90V).
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
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2R-8*8 SERIES
Recommended Soldering Conditions
Wave Soldering
Item
Conditions
Peak Temperature
265℃
Dipping Time
10 seconds
Soldering
1 time
Reflow Soldering
Profile Feature
Average ramp-up rate (TL to TP)
Preheat
-Temperature Min (TS min)
-Temperature Max (TS max)
-Time (min to max) (ts)
TS max to TL
-Ramp-up Rate
Time maintained above:
-Temperature (TL)
-Time (tL)
Peak Temperature (TP)
Time within 5℃ of actual Peak Temperature (tP)
Ramp-down Rate
Time 25℃ to Peak Temperature
Revision:08-Oct-15
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.
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2R-8*8 SERIES
Packaging
Axial Packing (Bulk)
Skin packing
Symbol
Dimension (mm)
Tolerance
A
264.0
±1.0
B
145.0
±1.0
H
6.5
±0.5
B
Spec.
A
H
Quantity: 100pcs
Inner box
B0
H0
A0
A0
270.0
±2.0
B0
150.0
±1.0
H0
50.0
±1.0
Quantity: 500pcs
Axial Packing (Tape & Reel)
Tape
Dimension (mm)
Symbol
Spec.
Tolerance
P
10.0
±0.1
W
65.0
±0.1
E
6.0
±0.1
F
26.5
±0.1
d
0.8/1.0
±0.05
A1
330.0
±1.0
B1
70.0
±1.0
C1
82.0
±1.0
D
25.0
±0.2
t
2.0
±0.2
P
E
F
W
d
Reel
B1
D
A1
C1
t
Revision:08-Oct-15
Quantity: 500pcs
www.brightking.com
2R-8*8 SERIES
Packaging
SMD Packing (Tape & Reel)
Tape
Symbol
P2
D0
t0
B0
W
F
E
P0
P1
Dimension (mm)
Spec.
Tolerance
W
16.00
±0.20
P0
4.00
±0.10
P1
12.00
±0.20
P2
4.00
±0.10
D0
1.45
±0.1
E
1.75
±0.10
F
7.50
±0.10
A0
8.80
±0.10
K0
8.30
±0.10
B0
8.30
±0.10
t0
0.50
±0.10
D
330.00
±1.00
d
13.00
±0.50
L
20.00
±0.50
t
2.00
±0.20
K0
A0
Reel
Quantity: 500pcs
Revision:08-Oct-15
www.brightking.com
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