en GQF3R

Gas Discharge Tube: GQF Series
SMD 3-Electrodes Φ5.0 x T7.2 mm
 Features
1. RoHS & HF compliant
2. Rugged ceramic-metal construction
3. DC spark-over voltage: 75~800V
4. Low capacitance
5. Agency recognition :UL / cUL
6. Operating temperature : -40℃ ~ +85℃
Storage temperature: -40℃ ~ +115℃
 Recommended Applications
1. Cable Modem
2. xDSL
3. Set-Top Box
4. TV sets
5. Power supplier
6. Consumer electronics
 Part Number Code
G
Q
F
3
R
0
7
5
M
R
M
1
2
3
4
5
6
7
8
9
10
11
Electrode Number
Product Code
G
3R
THINKING Gas
Discharge Tube
Lead Wire Style
3 Electrodes
Size
QF Φ5.0 x 7.2 mm
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
M
DC Spark-over
Voltage
075
230
11B
No Lead
12
Internal Control
Code
Packaging
R
13
Reel
Taping
Type
M
75V
230V
1100V
42
SMD Round Type
www.thinking.com.tw
2014.08
Gas Discharge Tube: GQF Series
SMD 3-Electrodes Φ5.0 x T7.2 mm
 Characteristics
DC
Spark-over
Voltage
Part No.
Max. Impulse
Discharge
Current
(8/20μs)
Max. Impulse
Breakdown
Voltage
100V/S
100V/μs
1KV/μs
(V)
(V)
(V)
GQF3R075MRM
75±20%
600
700
GQF3R090MRM
90±20%
500
600
GQF3R120 MRM
120±20%
500
600
GQF3R150MRM
150±20%
500
GQF3R200MRM
200±20%
GQF3R230MRM
1
time
Impulse
Life
(10/1000μs)
Normal
Alternating
Discharge
Current
DC
Holdover
Voltage
200A
50Hz, 1Sec
<150ms
(Times)
(A)
(V)
10
times
(KA)
Minimum
Insulation
Resistance
Maximum
Capacitance
(1MHz)
(GΩ)
(pF)
Safety
Approvals
UL
1449
/cUL
UL
497B
52
√
52
√
80
√
600
80
√
600
700
135
√
230±20%
600
700
135
√
GQF3R250MRM
250±20%
600
700
GQF3R350MRM
350±20%
650
750
GQF3R400MRM
400±20%
700
GQF3R420MRM
420±20%
GQF3R470MRM
470±20%
GQF3R600MRM
GQF3R800MRM
10
5
5
300
15
10
135
10
1
2
√
135
√
800
135
√
700
800
135
√
800
900
135
√
600±20%
900
1000
135
√
800±20%
1150
1400
10
5
5
√
135
Note1: UL 497B File No: E245070, UL 1449 3rd File No:E314979
Note 2: Insulation resistance test conditions:
DC Spark-over Voltage
DC Measuring Voltage
75-90V
50V
120-400V
100V
420-800V
250V
 Dimension
 Recommended Pad Size
(Unit: mm)
(Unit: mm)
8.2
7.2±0.3
3.3
5.0±0.1
5.0±0.1
0.4
1.5
5.6
1.6
0.4
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
43
www.thinking.com.tw
2014.08
Gas Discharge Tube: GQF Series
SMD 3-Electrodes Φ5.0 x T7.2 mm
 Marking
Example:
Electrode Number
Product Code
∆
GQF
□ □
 XXX
Size
3R230
DC Spark-over
Voltage
 Packaging
 Taping
330±4.0
P0
>1.5 typ.
E
D
F
W
100 typ.
t
P
K
18 typ.
Quantity: 900pcs per reel (13”)
Unit: mm
ITEM
Spec.
P
12.0
P0
4.0
W
16.0
F
7.5
E
1.75
D
Φ1.55
K
5.5
t
0.5
Tolerance
±0.1
±0.1
±0.3
±0.1
±0.1
±0.05
±0.1
±0.05
 Warehouse Storage Conditions of Products
 Storage Conditions:
1. Storage Temperature: -10℃~+40℃
2. Relative Humidity: ≦75%RH
3. Keep away from corrosive atmosphere and sunlight.
 Period of Storage: 1 year
THINKING ELECTRONIC INDUSTRIAL Co., LTD.
All specification are subject to change without notice.
44
www.thinking.com.tw
2014.08
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