SMD Zener Diode

Page 4

Lead length to heatsink, L , (inches)

Fig.3- Typical thermal resistance v.s. lead length

AQW-BZ003

Fig.2- Temperature coefficients v.s. Zener voltage

Zener voltage,Vz, (V)

Fig.1- Power temperature derating current

0

5.0

4.0

3.0

2.0

0

175

125

100

75

50

25

150

RATING AND CHARACTERISTIC CURVES (ACZRC5333B-G Thru. ACZRC5388B-G)

REV: A

0

10

20

40

0

0.2

0.4

0.8

1.0

0.9

0.7

0.3

0.1

30

0.5

0.6

1.0

100

1

10

100

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

Time, t , (s)

10

100

0.1

1

Comchip Technology CO., LTD.

1.0

Range

Pulse width, (ms)

100

10

1

Fig.4 - Maximum surge power

1

10

100

1000

D=0.5

D=0.2

D=0.1

D=0.05

D=0.0

1

D=0

Note: D=Note:Below 0.1 second,

Thermal response curve is

applicable to any lead length(L)

0.1

0.01

0.001

1

10

100

Company reserves the right to improve product design , functions and reliability without notice.