SURFACE MOUNT ZENER DIODE

www.comchip.com.tw

SURFACE MOUNT ZENER DIODE

www.comchip.com.tw

COMCHIP

COMCHIP

MDS0208021A

Page 4

RATING AND CHARACTERISTICS CURVES

CZRA4741 THRU CZRA4764

100

70

50

30

20

10

7.0

5.0

3.0

2.0

1.0

0.01

0.02

0.05

0.1

0.2

0.5

1.0

2.0

5.0

10

20

50

100

200

500

11V-91V NON-REPETITIVE

0.8V-10V NON-REPETITIVE

5% DUTY CYCLE

10% DUTY CYCLE

20% DUTY CYCLE

RECTANGULAR WAVEFORM

TJ = 2

PRIOR TO INITIAL

PULSE

PW, PULSE WIDTH

This graphrepresents 90 percentile data point.

For worst-case design characteristics, multiply surge power by 2/3

Fig. 5-MAXIMUM SURGE POWER

1000

500

200

100

50

20

10

5.0

2.0

1.0

0.1

0.2

0.5

1.0

2.0

5.0

10

20

50

100

47V

27V

0.8V

TJ = 25°C

I

f= 60Hz

IZ, ZENER CURRENT (mA)

1000

700

500

200

100

70

50

20

10

7

5

2

1

1.0

2.0

3.0

5.0

7.0

10

20

30

50

70

100

TJ = 25°C

I

f= 60Hz

I

5.0mA

20mA

IZ, ZENER CURRENT (mA)

Fig. 6-EFFECT OF ZENER CURRENT ON ZENER

IMPEDANCE

Fig. 7-EFFECT OF ZENER VOLTAGE ON ZENER

IMPEDANCE

5°C