3R-6 SERIES
Gas Discharge Tube (GDT) Data Sheet
Features
■
Provide ultra-fast response to surge voltage from slow-rising
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■
■
■
■
■
■
■
■
■
surge of 100V/s to rapid-rising surge of 1KV/μs
Stable breakdown voltage
High insulation resistance
Low capacitance (≤2pF)
High holdover voltage
Large absorbing transient current capability
Micro-Gap Design
Size: 6.0mm*8.5mm
Storage and operating temperature: -40℃ ~ +85℃
Meets MSL level 1, per J-STD-020
Safety certification: E244458
Applications
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■
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Repeaters, Modems
Telephone Interface, Line cards
Data communication equipment
Line test equipment
Part Number Code
3
R
6
Electrical
Characteristics
L：5KA
M：10KA
Electrode Numbers
3R: 3 Electrodes
DC
Spark-over
Voltage
Packing Code
No suffix: Bulk
TR: Tape & Reel packing
Lead Type
L：Lead
M: SMD
Failsafe Option
Blank: Standard product
F: With failsafe mechanism
Dimensions
6: 6.0mm×8.5mm
Marking
: BrightKing Logo
3RL090-6 : Device Marking Code
YXXX
: Date Code
Revision: GDT-3R-6 SERIES-001(A3)
2/7
http://brightking.pulseelectronics.com
3R-6 SERIES
Dimensions
L Type
T1
T
Dimension (mm)
Symbol
D
Spec.
D
L
1.0
3.8
3.8
Tolerance
+0.2, -0.5
±0.5
Max.
Max.
6.0
8.5
15.0
16.0
T
T1
L
S
d
Recommended Pad Size
L-F Type
S
T1
T
R2
3.8
±0.3
d
R1
0.8
±0.1
1.0
3.8
S
d
3.8
R1
7.8
±0.4
Recommended Pad Size
R2
6.3
±0.3
M Type
D
6.0
±0.2
T
8.5
T
8.5
±0.5
6.0
B
2.2
1.6
1.0
±0.1
B1
B
D
Recommended Pad Size
B1
1.5
±0.2
Revision: GDT-3R-6 SERIES-001(A3)
3/7
http://brightking.pulseelectronics.com
3R-6 SERIES
Electrical Characteristics
DC
Spark-over
Voltage
Maximum
Impulse
Spark-over
Voltage
1000V/μs
(V)
750
750
800
800
800
900
900
950
1300
Nominal
Impulse
Discharge
Current
8/20μs
10times
(KA)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Alternating
Discharge
Current
Impulse
Life
Minimum
Insulation
Resistance
Test
Voltage
DC(V)
25
50
100
100
100
100
100
250
250
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)
3RL075L-6
3RL090L-6
3RL150L-6
3RL230L-6
3RL250L-6
3RL300L-6
3RL350L-6
3RL470L-6
3RL600L-6
3RL075M-6
3RL090M-6
3RL150M-6
3RL230M-6
3RL250M-6
3RL300M-6
3RL350M-6
3RL470M-6
3RL600M-6
75±20%
90±20%
150±20%
230±20%
250±20%
300±20%
350±20%
470±20%
600±20%
50Hz,1sec
(A)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
10/1000μs
100A
(times)
200
200
200
200
200
200
200
200
200
(GΩ)
1MHz
(pF)
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
Device
Marking
Code
3RL075-6
3RL090-6
3RL150-6
3RL230-6
3RL250-6
3RL300-6
3RL350-6
3RL470-6
3RL600-6
3RM075L-6
3RM090L-6
3RM150L-6
3RM230L-6
3RM250L-6
3RM300L-6
3RM350L-6
3RM470L-6
3RM600L-6
3RM075M-6
3RM090M-6
3RM150M-6
3RM230M-6
3RM250M-6
3RM300M-6
3RM350M-6
3RM470M-6
3RM600M-6
75±20%
90±20%
150±20%
230±20%
250±20%
300±20%
350±20%
470±20%
600±20%
750
750
800
800
800
900
900
950
1300
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
300
300
300
300
300
300
300
300
300
25
50
100
100
100
100
100
250
250
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
3RM075-6
3RM090-6
3RM150-6
3RM230-6
3RM250-6
3RM300-6
3RM350-6
3RM470-6
3RM600-6
Electrical Ratings
Items
DC Spark-over
Voltage
Test Condition/Description
The voltage is measured with voltage ramp dv/dt=100V/s. Test is between
each side electrode and center electrode.
The maximum impulse spark-over voltage is measured with voltage ramp
dv/dt=1000V/μs. Test is between each side electrode and center
electrode.
Requirement
Maximum Impulse
Spark-over Voltage
To meet
the specified
value
Revision: GDT-3R-6 SERIES-001(A3)
4/7
http://brightking.pulseelectronics.com
3R-6 SERIES
Maximum surge current that can be applied through center electrode with
8/20μs waveform, for 10 times with 3min interval time, which will be
equally divided between each side electrode to center electrode, without
causing the DC breakdown voltage to change more than 25% from its
initial measured value.
Crest value
Current (%)
Impulse
Discharge Current
100
90
50
20µs
10
0
8µs
Time
Impulse Width
Alternating
Discharge Current
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. Test is between each side electrode and center electrode.
8
IR＞10 ohms (-20%, +30% for 70~90V).
The resistance of gas tube shall be measured between each side
electrodes and center electrode.
The capacitance of gas tube shall be measured between each side
electrodes and center electrode.
Test frequency: 1MHz
Insulation
Resistance
Capacitance
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
Conditions
265℃
10 seconds
1 time
Revision: GDT-3R-6 SERIES-001(A3)
5/7
http://brightking.pulseelectronics.com
3R-6 SERIES
Reflow Soldering
Critical Zone
T
L
to T
P
T
P
Ramp-up
T
L
T
S max
t
P
t
L
Temperature
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-3R-6 SERIES-001(A3)
6/7
http://brightking.pulseelectronics.com
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