CLP270M-TR 데이터 시트보기 (PDF) - STMicroelectronics

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CLP270M-TR

OVERVOLTAGE AND OVERCURRENT PROTECTION FOR TELECOM LINE

STMicroelectronics 

CLP270M

The figure 9 shows two different curves :

s The lower one indicates the maximum guaranted working limits of the CLP270M.

Table 1: First level lightning surge.

Surge

1

2

3

4

5

Minimum

peak voltage

(volts)

Minimum

peak current

per conductor

(Amps)

Maximum rise

/ Minimum

decay time for

voltage and

current

(µs)

Repetitions,

each polarity

+/- 600

100

10/1000

25

+/- 1000

100

10/360

25

+/- 1000

100

10/1000

25

+/- 2500

500

2/10

10

+/- 1000

25

10/360

5

Test

connections

per

table 4.1

A

A

A

B

B

Table 2: Second level lightning surge.

Surge

1

Minimum

peak voltage

(volts)

Minimum

peak current

per conductor

(Amps)

Maximum rise

/ Minimum

decay time for

voltage and

current

(µs)

Repetitions,

each polarity

+/- 5000

500

2/10

1

Test

connections

per

table 4.1

B

s The upper curve shows the limit above which the CLP270M is completely destructed . In this case, the

Fail Diagnostic pin is on.

3. CLP270M TEST RESULTS ACCORDING TO BELLCORE 1089 REQUIREMENTS.

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