CDA70 Series

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

Features

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

Dimensions

Characteristics

Part Number DC Spark-Over Voltage
(Vs)
Insuration Resistance
(IR)
Electrostatic Capacitance
1kHz-6V
Surge Current Capacity
8/20μs
Surge Life Test
8/20μs
100A
CDA70-301L 300V (255 ~ 345) ≥ 100MΩ 100VDC 0.6pF max 2000A 300 times
CDA70-401L 400V (340 ~ 460) 250VDC
CDA70-501M 500V (400 ~ 600)
CDA70-601M 600V (480 ~ 720)
CDA70-701M 700V (560 ~ 840)
CDA70-102M 1000V (800 ~ 1200) 500VDC
CDA70-152M 1500V (1200 ~ 1800)
CDA70-272M 2700V (2160 ~ 3240)
CDA70-302M 3000V (2400 ~ 3600)
CDA70-362M 3600V (2880 ~ 4320)
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 1000VAC-1min
1200VAC-3s
  ○ 1) -
CDA70-302M 1500VAC-1min   ○ 1) ○ 2)
CDA70-362M 1800VAC-3s   ○ 1) ○ 2)
1):

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

2): Approved if used with a varistor (V1mA ≥ 470V, D ≥ φ5mm) 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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