Gas Discharge Tube: GD8-H Series
2-Electrode
Φ8.0*T6
mm High Surge
Features
1. RoHS compliant
2. Rugged ceramic-metal construction
3. Available with or without Leads
4. DC spark-over voltage: 70V ~470V
5. Low capacitance
6. High transient current capability
7. 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
A
9
B
10
H
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
H
Product Type
High Surge
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice
1
www.thinking.com.tw
2010.09
Gas Discharge Tube: GD8-H Series
2-Electrode
Φ8.0*T6
mm High Surge
Characteristics
DC
Breakdown
Voltage
Max. Impulse
Breakdown
Voltage
Impulse
Discharge
Current
(8/20µs)
1
time
10
times
Impulse
Life
(10/1000µs)
Normal
Alternating
Discharge
Current
50Hz,
1Sec
Single
9 Cycles
DC
Holdover
voltage
Minimum
Insulation
Resistance
Maximum
Capacitance
(1MHz)
Type
(100V/S)
100V/µs
1KV/µs
100A
<150ms
Safety
approvals
(V)
GD82R070□□H
GD82R075□□H
GD82R090□□H
GD82R120□□H
GD82R130□□H
GD82R145□□H
GD82R180□□H
GD82R230□□H
GD82R250□□H
GD82R300□□H
GD82R350□□H
GD82R400□□H
GD82R470□□H
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%
(V)
500
500
500
500
500
500
500
500
500
700
700
800
900
(V)
600
600
600
700
700
700
700
700
700
900
900
1000
1100
20
(KA)
Times
(A)
(V)
52
52
52
52
52
52
(G )
(pF)
UL
497B
√
√
√
√
√
√
10
1.5
√
√
√
√
√
√
√
15
500
20
65
80
80
80
150
150
150
150
Note1: The first
□
is the style of lead wire, and the second
□
is packaging.
Note2: H = High Surge Series
Note3: UL / 497B→ File No. E245070
Note 4: Insulation resistance test conditions:
DC Breakdown Voltage
70-90V
120-400V
470-600V
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-H Series
2-Electrode
Φ8.0*T6
mm High Surge
Dimensions
□
= A (Axial lead type)
Unit: mm
Dimensions
L
d
Item
Spec.
D
8.0
6.0
20
1.0
Tolerance
+0.3/-0.5
+0.3/-0.5
Min.
±0.05
D
T
L
d
T
□
= N (No lead type)
Unit: mm
Dimensions
D
Item
Spec.
D
8.0
6.0
Tolerance
+0.3/-0.5
+0.3/-0.5
T
T
Marking
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice
3
www.thinking.com.tw
2010.09
Gas Discharge Tube: GD8-H Series
2-Electrode
Φ8.0*T6
mm High Surge
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
D
Spec.
L1
L
D
52
64
10
T of Gas Tube
F
Tolerance
±2
±3
±0.5
Max.
1.2max.
L1
L
+ 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-H Series
2-Electrode
Φ8.0*T6
mm High Surge
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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