Gas Discharge Tube
MGT Series
FEATURE
•
•
•
•
•
•
Rugged Ceramic-Metal Construction
Available With Fail-Safe Clip
Available With Or Without Leads
Available With Various Lead Spacing
Low capacitance (< 2pF)
Large Transient Current Absorbing Capability
UL E223045
APPLICATIONS
•
•
•
•
Repeaters, Modems
Telephone Interface, Line Cards
Data Communication Equipment
Line Test Equipment
CHARACTERISTICS
•
•
•
Two or three electrodes
Discharge voltage: 75V to 800V
5.5mm or 8mm diameter
Rev.7
Gas Discharge Tube
MGT Series
P
ART
N
UMBERING
S
YSTEM
MGT
Meritek Series
Shape
CODE
A
D
K
SHAPE
D
G
075
M
C
A
3
CODE
B
F
M
SHAPE
H
N
S
T
Electrical Characteristics
AC
DISCHARGE
CURRENT
(A)
SURGE
DISCHARGE
CURRENT @
10/1000 µ s)
(A)
SURGE
DISCHARGE
CURRENT @
8/20 µ s)
(KA)
G
L
M
P
R
2
5
10
20
40
50
100
100
200
400
2
5
10
20
40
DC Breakage Voltage (V)
Tolerance
CODE
Tolerance
L
±15%
M
±20%
Type
CODE
Type
F
Gas Tube with
Fail Safe Plate
C
Ceramic Gas Tube
Subversion
Dimension
CODE
3
5
8
A
M
DIMENSIONS
4.5x3.2x2.7
CODE
D
E
H
R
Unit (mm)
DIMENSIONS
Φ
7.5x11.5
Φ
5.4x5.4x5
Φ
5.5x6
Φ
8x6
Φ
6x8.5
Φ
8x10
Φ
5x5x7.6
Φ
7.5x8x6
Rev.7
Gas Discharge Tube
MGT Series
E
LECTRODE
A
RRESTERS
(4.5×3.2×2.7)
Dimensions: mm
MGT-DG***M-CA3
DC
Breakdown
Model Number
Voltage
(@100V/S)
(V)
Tolerance
of DCBV
Impulse
Breakdown
Voltage
(@1000V/μs)
(V)
AC
Discharge
Current
(@50Hz)
(A)
Surge
Discharge
Current
(@10/1000μs)
(A)
Surge
Discharge
Current
(@8/20μs)
(KA)
Insulation
Resistance
(MΩ)
Electrode
Capacitance
(@1MHz)
(pF)
MGT-DG090M-CA3
MGT-DG150M-CA3
MGT-DG230M-CA3
MGT-DG250M-CA3
MGT-DG300M-CA3
MGT-DG350M-CA3
MGT-DG400M-CA3
MGT-DG420M-CA3
MGT-DG470M-CA3
MGT-DG600M-CA3
90
150
230
250
300
350
400
420
470
600
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
≤700
≤700
≤700
≤800
≤900
≤900
≤1000
≤1000
≤1000
≤1200
2
2
2
2
2
2
2
2
2
2
50
50
50
50
50
50
50
50
50
50
2
2
2
2
2
2
2
2
2
2
≥1000
≥1000
≥1000
≥1000
≥1000
≥1000
≥1000
≥1000
≥1000
≥1000
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
≤1
Rev.7
Gas Discharge Tube
MGT Series
E
LECTRODE
A
RRESTERS
(
Φ
5.5×6)
Dimensions: mm
MGT-AL***M-CA5
MGT-BL***M-CA5
DC
Breakdown
Model Number
Voltage
(@100V/S)
(V)
Tolerance
of DCBV
Impulse
Breakdown
Voltage
(@1000V/μs)
(V)
AC
Discharge
Current
(@50Hz)
(A)
Surge
Discharge
Current
(@10/1000μs)
(A)
Surge
Discharge
Current
(@8/20μs)
(KA)
Insulation
Resistance
(MΩ)
Electrode
Capacitance
(@1MHz)
(pF)
MGT-*L075M-CA5
MGT-*L090M-CA5
MGT-*L150M-CA5
MGT-*L230M-CA5
MGT-*L250M-CA5
MGT-*L300M-CA5
MGT-*L350M-CA5
MGT-*L400M-CA5
MGT-*L420M-CA5
MGT-*L470M-CA5
MGT-*L600M-CA5
MGT-*L800M-CA5
MGT-*L102M-CA5
75
90
150
230
250
300
350
400
420
470
600
800
1000
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
≤650
≤650
≤650
≤700
≤800
≤900
≤900
≤1000
≤1000
≤1000
≤1200
≤1400
≤1600
5
5
5
5
5
5
5
5
5
5
5
5
5
100
100
100
100
100
100
100
100
100
100
100
100
100
5
5
5
5
5
5
5
5
5
5
5
5
5
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
Rev.7
Gas Discharge Tube
MGT Series
E
LECTRODE
A
RRESTERS
(
Φ
8×6)
Dimensions: mm
MGT-AM***M-CA8
MGT-BM***M-CA8
DC
Breakdown
Model Number
Voltage
(@100V/S)
(V)
Tolerance
of DCBV
Impulse
Breakdown
Voltage
(@1000V/μs)
(V)
AC
Discharge
Current
(@50Hz)
(A)
Surge
Discharge
Current
(@10/1000μs)
(A)
Surge
Discharge
Current
(@8/20μs)
(KA)
Insulation
Resistance
(MΩ)
Electrode
Capacitance
(@1MHz)
(pF)
MGT-*M075M-CA8
MGT-*M090M-CA8
MGT-*M150M-CA8
MGT-*M230M-CA8
MGT-*M250M-CA8
MGT-*M300M-CA8
MGT-*M350M-CA8
MGT-*M400M-CA8
MGT-*M420M-CA8
MGT-*M470M-CA8
MGT-*M600M-CA8
MGT-*M800M-CA8
MGT-*M102M-CA8
75
90
150
230
250
300
350
400
420
470
600
800
1000
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
≤650
≤650
≤650
≤700
≤800
≤900
≤900
≤1000
≤1000
≤1000
≤1200
≤1400
≤1600
10
10
10
10
10
10
10
10
10
10
10
10
10
100
100
100
100
100
100
100
100
100
100
100
100
100
10
10
10
10
10
10
10
10
10
10
10
10
10
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≥10000
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
≤1.5
Rev.7
