SMD Zener Diode

Page 2

SMD Diodes Specialist

Lead length to heat sink (inches)

Fig.1 Typical thermal resistance v.s. lead length

QW-BZ019

Fig.3 Temperature coefficents v.s. zener voltage

Zener voltage(V)

Fig.2 Maximum surge power

Pulse width (ms)

Fig.4 Power temperature derating current

0

2.5

1.5

1.0

0.5

0

175

125

100

75

50

25

150

RATING AND CHARACTERISTIC CURVES (CZRA5920B-G Thru CZRA5956B-G)

REV:A

100

10

1000

100

30

10

Range

0

20

40

80

0

0.2

0.4

0.8

1.0

0.9

0.7

0.3

0.1

60

0.5

0.6

0.1

100

10

1

10

100

1000

Fig.5 Typical thermal response L, lead length=3/8 inch

Pulse width (ms)

0.0001

0.1

0.1

0.001

0.01

10

100

1

10

1

D=0.5

D=0.2

D=0.1

D=0.05

D=0.02

D=0.01

D=0

D=Note:Below 0.1 second,

Thermal response curve is

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