5

12/12

Please read Cautions and warnings and

Important notes at the end of this document.

With:

Maximum magnetic flux density in the ferrite core of the current sense transformer

G

max

Maximum duty cycle

Number of turns of the secondary winding of the current sense transformer

Effective magnetic area of the ferrite core

Operating frequency of the switching operator IC

With:

Resistance of burden resistor

Number of turns on the secondary side of the CT

Maximum primary current (peak current)

Characteristics and ordering codes

PH

Turns ratio

DC resistance

Voltage-

time product

V

Recomm.

:

Ordering code

primary

secondary

80

1 : 20

0.6

400

10.0

20

B82801B0803A020

180

1 : 30

0.6

870

15.0

30

B82801B0184A030

320

1 : 40

0.6

1140

20.0

40

B82801B0324A040

500

1 : 50

0.6

1500

25.0

50

B82801B0504A050

720

1 : 60

0.6

1980

30.0

60

B82801B0724A060

980

1 : 70

0.6

3000

35.0

70

B82801B0984A070

2000

1 : 100

0.6

5500

50.0

100

B82801B0205A100

3000

1 : 125

0.6

6500

62.5

125

B82801B0305A125

8000

1 : 200

0.6

33240

100.0

200

B82801B0925A200



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B82801B

EE 5.0

SMT current sense transformers