Surge arrester
3-Electrode arrester
DG3R090M
Series/Type:
Customer:
Version/Date:
Issue 01/2013-11-02
DC Elec.
. Reproduction,publication and dissemination of this document, enclosures here to and the
information contained therein without DC' prior express consent is prohibited.
Surge arrester
3-Electrode arrester
Features
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DG3R090M
Applications
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Splitter
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PCI Cards
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Morden
● Line Cards
Extremely small size
Extremely fast response time
Stable performance over life
Very low capacitance
High insulation resistance
RoHS-compatible
UL Certicfication :E311500
Electrical specifications
DC breakdown voltage
1)2)
Min.
Max.
Impulse breakdown voltage
at 1kv/μs
–For 99% measure values
90
72
108
≤600
5
200
5
≥1
≤1.5
-40…+90
40/90/21
DG3R090M
V
V
V
V
kA
A
A
GΩ
pF
°C
Service life
10 operations
8/20us
300 operations
10/1000us
10 operations
50Hz,1S
Insulation resistance at DC 100V
Capacitance at 1MHz
Storage and operations temperature
Climatic category（IEC60068-1)
Marking,Blue positive
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DC Elec.
Please read Cautions and warnings and
important notes at the end of this document.
Issue 01/2013-11-02
Page 2 of 3
1) Sampling size in accordance to AQL0.65 II
2) In ionized mode
3) current from one side electode to center electode , and 2 times current through center electode
Tests according to ITU-T Rec. K. 12 IEC61663-2 and IEC61643-311
Surge arrester
3-Electrode arrester
DG3R090M
Dimensions
1000pce/reel
Cautions and warnings
Surge arresters must not be operated directly in power supply networks,whose maximum operating voltage
exceeds the minimum spark-over voltage of the surge arresters.
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Surge arresters may become hot in case of longer periods of current stress (danger of burning).
If the contacts of the surge arrester are defective, current stress can lead to the formation of sparks and loud noises.
Surge arresters may be used only within their specified values. In case of overload, the head contacts may
fail or the component may be destroyed.
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Damaged surge arresters must not be re-used.
Issue 01/2013-11-02
Page 3 of 3
DC Elec.
Please read Cautions and warnings and
important notes at the end of this document.
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