Gas Discharge Tube: GB8 Series
3-Electrode
Φ8.0*T10
mm Type
Features
1. RoHS compliant
2. Rugged ceramic-metal construction
3. Available with or without leads
4. Available with fail-safe clip
5. DC spark-over voltage：75~600V
6. Low capacitance
7. Agency recognition :UL
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
B
2
8
3
3
4
R
5
0
6
7
7
5
8
R
9
B
10
11
12
13
Product Code
G
THINKING Gas
Discharge Tube
Electrode Number
3R
3 Electrodes
Lead Wire Style
N
R
No Lead
Radial Lead
Packaging
B
T
R
Bulk
Ammo
Taping
Reel
Taping
Internal Control
Code
Type Series (size)
B8
Φ8.0*T10
DC
Spark-over
Voltage
070
230
600
14B
25B
70V
230V
600V
1400V
2500V
F
Product Type
Fail-Safe Clip
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
1
www.thinking.com.tw
2010.09
Gas Discharge Tube: GB8 Series
3-Electrode
Φ8.0*T10
mm Type
Characteristics
DC
Breakdown
Voltage
Max. Impulse
Breakdown
Voltage
Impulse
Discharge
Current
(8/20µs)
10 times
(5 times each
polarity)
Impulse
Life
(10/1000µs)
Normal
Alternating
Discharge
Current
50Hz,1Sec
DC
Holdover
voltage
Type
(100V/S)
100V/µs
1KV/µs
Minimum
Insulation
Resistance
Maximum
Capacitance
(1MHz)
Safety
approvals
200 A
<150ms
(V)
GB83R075□□(F)
GB83R090□□(F)
GB83R145□□(F)
GB83R200□□(F)
GB83R230□□(F)
GB83R250□□(F)
GB83R300□□(F)
GB83R350□□(F)
GB83R400□□(F)
GB83R420□□(F)
GB83R470□□(F)
GB83R600□□(F)
75±20%
90±20%
145±20%
200±20%
230±20%
250±20%
300±20%
350±20%
400±20%
420±20%
470±20%
600±20%
(V)
600
600
500
500
600
600
700
700
800
800
900
1000
(V)
700
700
700
700
700
700
900
900
1000
1000
1000
1100
(KA)
Times
(A)
(V)
(G )
(pF)
UL
497B
√
√
√
√
√
√
52
52
52
135
135
20
130
20
135
150
150
150
150
150
150
10
2
√
√
√
√
√
√
Note1：The first
□
is the style of lead wire, the second
□
is packaging.
Note2：F = With fail-safe clip for optional.
Note 3: UL / 497B→ File No. E245070
Note 4: Insulation resistance test conditions:
DC Breakdown Voltage
75-90V
145-400V
420-600V
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: GB8 Series
3-Electrode
Φ8.0*T10
mm Type
Dimensions
□
= R (Radial lead type)
Unit: mm
Item
D
T
T1
L
S
d
Dimensions
Spec.
8.0
10.0
13.4
7.5
4.4
1.0
Tolerance
+0.2/-0.8
±0.5
+0.8/-0.5
±0.5
±0.4
±0.05
□
= N (No lead type)
Unit: mm
Item
D
T
Dimensions
Spec.
8.0
10.0
Tolerance
+0.2/-0.8
±0.5
□
=F (Fail-Safe Device)
T1
R1
Unit: mm
Item
R1
R2
T1
L
S
d
Dimensions
Spec.
Tolerance
8.1
±0.3
9.8
±0.4
13.4
±0.4
11.0
±0.5
4.4
±0.3
1.0
±0.05
R2
L
d
S
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
3
www.thinking.com.tw
2010.09
Gas Discharge Tube: GB8 Series
3-Electrode
Φ8.0*T10
mm Type
Marking
Packaging
Bulk
Plastic Tray
(210x220x12mm)
Inner Box
(210x225x60mm)
Outside Box
(450x245x345mm)
100 PCS/Plastic tray
500 PCS/Box
5000 PCS/Carton
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.
4
www.thinking.com.tw
2010.09
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