3R-5S Series
Gas Discharge Tube (GDT) Data Sheet
Features
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Provide ultra-fast response to surge voltage from slow-rising surge of 100V/s to rapid-rising surge of 1KV/μs
Low capacitance (≤2pF)
High holdover voltage
High insulation resistance
Stable breakdown voltage
Large absorbing transient current capability
Micro-Gap Design
Operating and Storage Temperature :-40℃ ~ +125℃
Meets MSL Level 1,per J-STD-020
Applications
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Telephone Interface, Line cards
Data communication equipment
Line test equipment
Repeaters, Modems
Part Number Code
3
R
Electrode Numbers
3R:3Electrodes
5
DC
Spark-over
Voltage
Dimensions
5S: 5mm x 7.6mm
Lead Type
L:Lead
S: SMD
Electrical
Characteristics
D: 5KA
E: 10KA
Revision:18-Dec-19
S
1/5
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3R-5S Series
Electrical Characteristics
DC
Spark-over
Voltage
Part Number
3RD075S-5S
Maximum
Impulse
Spark-over
Voltage
Nominal
Impulse
Minimum
Life
Insulation
Test
Resistance
100V/S
1KV/us
10/1000us
100A
Test
Voltage
(v)
(v)
(times)
DC(V)
75±20%
600
300
25
Alternating
Maximum
Impulse
Capacitance
Discharge
Current
Discharge
Current
Device
Marking
Code
(1MHz 1V)
8/20us
50Hz,1S
(pF)
(KA)
(A)
1
2.0
5
5
3RD075-5
(GΩ)
3RD090S-5S
90±20%
600
300
50
1
2.0
5
5
3RD090-5
3RD120S-5S
120±20%
600
300
50
1
2.0
5
5
3RD120-5
3RD150S-5S
150±20%
600
300
100
1
2.0
5
5
3RD150-5
3RD200S-5S
200±20%
650
300
100
1
2.0
5
5
3RD200-5
3RD230S-5S
230±20%
650
300
100
1
2.0
5
5
3RD230-5
3RD250S-5S
250±20%
650
300
100
1
2.0
5
5
3RD250-5
3RD300S-5S
300±20%
800
300
100
1
2.0
5
5
3RD300-5
3RD350S-5S
350±20%
800
300
100
1
2.0
5
5
3RD350-5
3RD400S-5S
400±20%
900
300
100
1
2.0
5
5
3RD400-5
3RD420S-5S
420±20%
900
300
250
1
2.0
5
5
3RD420-5
3RD470S-5S
470±20%
900
300
250
1
2.0
5
5
3RD470-5
3RD600S-5S
600±20%
1000
300
250
1
2.0
5
5
3RD600-5
Dimensions
Revision:18-Dec-19
2/5
SymboS
Dimension (mm)
D
5. 00±0.20
T
7.60±0.30
B
0.40±0.10
B1
1.50±0.20
d
4.80±0.10
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3R-5S Series
ESectricaS Ratings
Items
DC spark-over
voStage
Test Condition/Description
Requirement
The voStage is measured with voStage ramp dv/dt=100V/s.
Maximum
ImpuSse
Spark-over
VoStage
The maximum impuSse spark-over voStage is measured with voStage ramp
dv/dt=1000V/μs.
InsuSation
Resistance
The resistance of gas tube shaSS be measured between two eSectrodes.
Capacitance
The capacitance of gas tube shaSS be measured between two eSectrodes.
Test frequency: 1MHz
Maximum 8/20μs surge current that can be appSied between two eSectrodes,
5 positive and 5 negative surges, with 3 minutes intervaS time, without
causing the DC spark-over voStage to change more than 25% from its initiaS
To meet the
Specified
vaSue
vaSue.
Crest value
ImpuSse
Discharge
Current
100
90
50
20µs
10
0
8µs
Time
Impulse Width
ASternating
Discharge Current
Revision:18-Dec-19
Rated RMS vaSue of AC current at 50Hz, 1 sec. for 10 times with intervaS time 3
min. DC spark-over voStage shaSS not change more than ±25% from its initiaS
vaSue.IR> 108 ohms (-20%, +30% for 70~90V).
3/5
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3R-5S Series
SoSdering Recommendation
RefSow SoSdering
Critical Zone
TL to TP
tP
TP
Ramp-up
TL
tL
TS max
TS min
Ramp-down
tS
Preheat
25
t 25
to Peak
Time
ProfiSe Feature
Pb-Free AssembSy
3℃/second max.
Average ramp-up rate (TSto TP)
Preheat
150℃
200℃
-Temperature Min (TS min)
-Temperature Max (TS max)
-Time (min to max)( tS)
60-180 seconds
TS maxto TS
-Ramp-up Rate
3℃/second max.
Time maintained above:
-Temperature (TS)
217℃
-Time (tS)
60-150 seconds
260℃
Peak Temperature (TP)
Time
within
5
℃
of
actuaS
PeakTemperature (tP)
6℃/second max.
Ramp-down Rate
Time 25℃ to Peak Temperature
Revision:18-Dec-19
20-40 seconds
8 minutes max.
4/5
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3R-5S Series
Packaging
Tape
P0
P1
P2
D0
B
A
Dimension (mm)
W
16.00±0.20
P0
4.00±0.10
P1
12.00±0.20
P2
2.00±0.10
D0
Φ1.55±0.05
E
1.75±0.10
F
7.50±0.10
A0
7.40±0.1
B0
5.40±0.1
K0
5.50±0.1
T
0.50±0.1
D
330.0±2.0
d
13.0±0.5
S
20.0±2.0
t
2.0±0.2
T
E
F
A
SymboS
W
B0
K0
B
SECTION B-B
A0
SECTION A-A
ReeS
Quantity: 1000PCS
Revision:18-Dec-19
5/5
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