Gas Discharge Tube：GD8 Series
：
2-Electrode
Φ8.0*T6
mm Type
Features
1. RoHS compliant
2. Rugged ceramic-metal construction
3. Available with or without leads
4. DC spark-over voltage: 70~800V
5. Low capacitance
6. Agency recognition: UL/cUL
Recommended Applications
1. Data transmission lines
2. Communication lines
3. CATV system
4. Power distribution system
5. Power supplier
6. Test equipment
7. Instrumentation circuits
Part Number Code
G
1
D
2
8
3
2
4
R
5
0
6
7
7
0
8
N
9
B
10
11
12
13
Product Code
G
THINKING Gas
Discharge Tube
Electrode Number
2R
2 Electrodes
Lead Wire Style
N
A
No Lead
Axial Lead
Packaging
B
T
R
Bulk
Ammo
Taping
Reel
Taping
Internal Control
Code
Type Series (size)
D8
Φ8.0*T6.0
DC
Spark-over
Voltage
070
230
600
14B
25B
70V
230V
600V
1400V
2500V
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice
1
www.thinking.com.tw
2010.09
Gas Discharge Tube：GD8 Series
：
2-Electrode
Φ8.0*T6
mm Type
Characteristics
Impulse
Discharge
Current
(8/20µs)
1
time
10
times
DC
Breakdown
Voltage
Max. Impulse
Breakdown Voltage
Impulse Life
(10/1000µs)
Normal Alternating
Discharge Current
DC
Holdover
Voltage
Type
100V/s
100V/µs
1KV/µs
100A
50Hz,
1Sec
Single
9 Cycles
<150ms
Minimum
Insulation
Resistance
Maximum
Capacitance
(1MHz)
Safety
approvals
(V)
GD82R070□□
GD82R075□□
GD82R090□□
GD82R120□□
GD82R130□□
GD82R145□□
GD82R180□□
GD82R230□□
GD82R250□□
GD82R300□□
GD82R350□□
GD82R400□□
GD82R470□□
GD82R600□□
GD82R800□□
(V)
(V)
(KA)
Times
(A)
(V)
52
52
52
52
52
52
(G )
(pF)
UL/
1449/cUL
UL
497B
70±20%
75±20%
90±20%
120±15%
130±15%
145±15%
180±15%
230±15%
250±15%
300±15%
350±15%
400±15%
470±15%
600±20%
800±20%
500
500
500
500
500
500
500
500
500
700
700
800
900
1100
1300
600
600
600
700
700
700
700
700
700
900
900
1000
1000
1400
1700
10
5
15
10
500
5
65
√
√
√
√
√
√
√
10
1.5
√
√
√
√
√
√
√
√
√
√
80
80
80
150
150
150
150
150
150
Note1: The first
□
is the style of lead wire, and the second
□
is packaging.
Note2: UL / 497B→ File No. E245070, UL / 1449 3rd→ File No.E314979
Note 3: Insulation resistance test conditions:
DC Breakdown Voltage
70-90V
120-400V
470-800V
DC Measuring Voltage
50V
100V
250V
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice
2
www.thinking.com.tw
2010.09
Gas Discharge Tube：GD8 Series
：
2-Electrode
Φ8.0*T6
mm Type
Dimensions
□
= A (Axial lead type)
Item
Spec.
D
L
d
Unit: mm
Dimensions
Tolerance
+0.3/-0.5
+0.3/-0.5
Min.
±0.05
8.0
6.0
20
0.8
T
L
D
d*
*: d =1.0mm is available.
T
□
= N (No lead type)
Unit: mm
D
Dimensions
Item
Spec.
Tolerance
+0.3/-0.5
+0.3/-0.5
D
T
8.0
6.0
T
Marking
GD82R300
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice
3
www.thinking.com.tw
2010.09
Gas Discharge Tube：GD8 Series
：
2-Electrode
Φ8.0*T6
mm Type
Packaging
Bulk
Plastic Tray
(263×144×6mm)
Inner Box
(270×145×50mm)
Outside Box
(320×305×280mm)
100 PCS/Plastic tray
500 PCS/box
5000 PCS/carton
Taping
For 2-electrode Axial Lead GDT
F
Unit: mm
Dimensions
Item
Spec.
D
Tolerance
±2
±3
±0.5
Max.
L1
1.2max.
52
64
10
T of Gas Tube
L
D
L1
L
F
+ 1.4
330 ± 4.0
1.5 typ.
100 typ.
68 typ.
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice
4
www.thinking.com.tw
2010.09
Gas Discharge Tube：GD8 Series
：
2-Electrode
Φ8.0*T6
mm Type
Storage Conditions of GDT
(I) Storage conditions:
1. Storage temperature: -10
℃
~ +40
℃
.
2. Relative humidity:
≦
75%RH.
3. Gas discharge tube must be kept away from sunlight and stored in a non-corrosive atmosphere.
(II) Shelf life: 1 year
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice
5
www.thinking.com.tw
2010.09
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