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PDF DA38-452M Data sheet ( Hoja de datos )

Número de pieza DA38-452M
Descripción DA38 Series
Fabricantes Mitsubishi 
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No Preview Available ! DA38-452M Hoja de datos, Descripción, Manual

DA38 Series has a micro gap cut to an accuracy of several tens of microns in
width for rapid response against induced lightning and electrostatic dischar-
ges.
Allows performing the AC withstanding voltage test.
This series are ideal for protecting power supplies against surge voltage.
Features
Small size. (‡3.8mm Length 10mm)
Allows performing the AC withstanding voltage test.
Quick response for surge voltage, and low limiting voltage.
Small capacitance and excellent insulation resistance.
Stable for repeated electrostatic test conditions and environmental fluctuation.
Axial taping available.
No polarity.
No dark effect.
DA38
Series
Part number system
272
Vs
DC Spark-over
voltage (Vs)
2
3
The first two digits are significant,
and the third is number of zeros.
272
Ex.) 272 means:
27 102=2700v
M
DC Spark-over
voltage tolerance
M 20
Dimensions
3.8 0.5
mm
Unit mm
0.50 0.05
T
Packing form
B Bulk pack
T Taping Form
A21F
Special code
Code
None
A21F
Description
Bulk pack
Axial Taping, Lead pitch 5mm
25.5min
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10.0 1.0
25.5min
Characteristics
Series
Part number
DC spark-over
voltage
Vs
Insulation
resistance
IR
Electrostatic Surge current
capacitance capacity
1kHz-6V max. 8/20µsec.
Surge life
test
AC
AC withstanding
voltage
UL1414 CSA22.2
45
EN132400
6
DA38
DA38-272M
DA38-302M
DA38-362M
2,160V 3,240V
2,400V 3,600V
2,880V 4,320V
100M min.
DC 500V
1pF max.
8 20 sec.
2,000A
8 20 sec.
100A
300times
AC1,200V 3sec.
AC1,500V 1min.
AC1,800V 3sec.
1
Approved if used together with an UL approved varistor (V1mAм270V, Dм 5mm), electrically connected in series by means such as twist and soldering,
staking, welding etc.
2
Approved if used together with a varistor (AC125V : V1mAм270V, Dм 5mm, AC250V : V1mAм470V, Dм 5mm), electrically connected in series by means
such as twist and soldering, staking, welding etc.
3
Approved if used together with a varistor (V1mAм470V, Dм 5mm), electrically connected in series by means such as twist and soldering, staking, welding etc.
4
5
6 DA38 has received recognition to EN132400 through TÜV. Report J9950875(Y2)
Please consult us for available
3

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DA38-452M pdf
Telecommunication equipment
(FAX, KTS, PBX)
Main
circuit
Telephone
(One piece, cordless, answering machine)
Main
circuit
Telecommunication interface
Between T
and R.
Normal mode
Japan,USA,EU and
South East Asia
Canada
DSS-401M
Power supply
Modem
DSANR-3
DSAZR2-501M
Between T, AC withstanding
R and GND. test is not required
Common mode
AC withstanding
test is required
AC1200V
DSA-242MA
AC1500V
DSA-302MA
DSANR-4
DSAZR1-242M
DSANR-5
DSANR-6A
DSAZR2-302M
DSAZR2-362M
Applications : key telephone system, PBX, modem, answering phone, cordless telephone, normal telephone etc.
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Overvoltage test circuit (DSSV-YD)
Overvoltage test circuit (DSSV-T5)
Main
circuit
Main
circuit
When the applied overvoltage is between tip and ring, the
communication line is cut off by the wire opening.
When the applied overvoltage is between tip and ring, the cir-
cuit is cut off by the wire opening.
25

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