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MD72WD Datasheet(PDF) 2 Page - M-System Co.,Ltd.

Part # MD72WD
Description  Lightning Surge Protectors for Electronics Equipment M-RESTER
PDF  3 Pages
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Manufacturer  MSYSTEM [M-System Co.,Ltd.]
Direct Link  https://www.m-system.co.jp/
Logo MSYSTEM - M-System Co.,Ltd.

MD72WD Datasheet(HTML) 2 Page - M-System Co.,Ltd.

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MODEL: MD72WD
MD72WD SPECIFICATIONS
ES-8068 Rev.6 Page 2/3
http://www.m-system.co.jp/
PERFORMANCE
MODEL NO.
MD72WD-07
MD72WD-16
MD72WD-32
Max. continuous operating voltage (Uc)
Line to Line
±7V
±16V
±32V
Line to Earth
±7V
±16V
±32V
Voltage protection level (Up)
@6kV (1.2 / 50 µs)
Line to Line
30V
45V
70V
Line to Earth
35V
50V
75V
Leakage current @Uc
Line to Line
≤ 10µA
≤ 5µA
Other sections
≤ 10µA
≤ 5µA
Response time
Line to Line
≤ 4 nsec.
Other sections
≤ 4 nsec.
Max. discharge current (Imax)
20kA (8 / 20 µs), 1.0kA (10 / 350 µs)
Nominal current (IN)
250mA
Internal series resistance
4.7Ω ±20% per line
Surge protection
IEC 61643-21 Categories C1, C2, D1
STANDARDS & APPROVALS
EU conformity:
ATEX Directive
Ex ia EN 60079-11
EMC Directive
EMI EN 61000-6-4
EMS EN 61000-6-2
RoHS Directive
EN 50581
Safety approval:
II 1G, Ex ia IIC; T4 and T5
EN 60079-0
EN 60079-11
CENELEC: Intrinsic safety (ATEX)
SAFETY PARAMETERS
■ CENELEC / ATEX IS DATA
MD72WD-07
MD72WD-16
MD72WD-32
Ui (Vmax)
7V
16V
32V
Ii (Imax)
any
any
any
Ci
50 nF
35 nF
15 nF
Li
0 µH
0 µH
0 µH
Pi
Temp. Class
Range
Parameter
T4
-25 to +40°C
1.3W
-25 to +60°C
1.2W
-25 to +80°C
1.0W
T5
-25 to +40°C
1.0W



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