CDA70 series

The CDA70 is a chip type surge absorber for communication lines. It has excellent surge protection characteristics and its capacitance is lower than 0.6pF. It's small but withstands 2000A (8/20μsec) surges.
Meets the standard for ADSL POTS* splitters, in accordance with ITU-T (International Telecommunication Union test standrd) K.20 and K.21 Enhanced Test Conditions.
*POTS: Plain Old Telephone Service

Features

•Standard small chip package: EIA 1612, height is 2.3 ± 0.2mm
•Can be used with flow or reflow solder
•Compliant with various AC withstanding voltage tests
•Excellent surge response
•Low capacitance of less than 0.6pF
Excellent insulation resistance over 100Mohm
•Stable for repeated discharge tests
•UL1449 Recognized
•RoHS compliant

Dimensions

Characteristics

Part number DC Spark-over voltage
(Vs)
Insuration resistance
(IR)
Electrostatic capacitance
1kHz-6V max.
Surge current capacity
8/20μsec
Surge life test|
8/20μsec
100A
CDA70-301L 300V(255〜345) 100MΩmin. DC100V 0.6pF max. 2000A 300times
CDA70-401L 400V(340〜460) DC250V
CDA70-501M 500V(400〜600)
CDA70-601M 600V(480〜720)
CDA70-701M 700V(560〜840)
CDA70-102M 1,000V(800〜1,200) DC500V
CDA70-152M 1,500V(1,200〜1,800)
CDA70-272M 2,700V(2,160~3,240)
CDA70-302M 3,000V(2,400~3,600)
CDA70-362M 3,600V(2,880~4,320)
Part number Withstanding Voltage UL recognized EN recognized
3)
UL497B
4)
UL 1449
5)
EN60065
EN60950-1
CDA70-301L - - -
CDA70-401L - - -
CDA70-501M - - -
CDA70-601M - - -
CDA70-701M - - -
CDA70-102M -   - -
CDA70-152M -   - -
CDA70-272M AC1,000V-1min.
AC1,200V-3sec.
  ○ 1) -
CDA70-302M AC1,500V-1min.   ○ 1) ○ 2)
CDA70-362M AC1,800V-3sec   ○ 1) ○ 2)
1):

Approved if used with a varistor( 125VAC : V1mA≧270V, D≧φ10mm, 250VAC : V1mA≧470V, D≧φ10mm), electrically connected in series(soldered, crimped, or welded).

2): Approved if used with a varistor( V1mA≧470V, D≧φ5mm), electrically connected in series( soldered, crimped, or welded).
3): UL Standard UL 497B File No. E175280
4): UL Standard UL 1449 File No. E318314
5): TÜV Report No.J50164470

 

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