Lead length to heat sink (inches)
Peak surge power (W)
Pulse width (ms)
Power dissipation(W)
Lead Temperature (°C)
0
3.0
1.5
1.0
0.5
0 175
125
100
75
5025 150
RATING AND CHARACTERISTIC CURVES (CZRB3005-G Thru CZRB3200B-G)
Ju
nc
t
i
o
n t
o
lea
d
t
h
e
r
m
a
l
re
s
i
s
t
a
n
c
e(
°
C
/W
)
0
2
0
4
0
8
0
0
0
.
2
0
.
4
0
.
8
1
.
0
0
.
9
0
.
7
0
.
3
0
.
1
6
0
0
.
5
0
.
6
0.1 100
10
1 10
100
1000
Junction to lead triensient thermal
Pulse width (ms)
0.0001
0.1
0.1
0.001 0.01
10
100
1 10
1
resistance (°C/W)
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
200
Zener voltage(V)
Temperature coefficient,(mV/°C)
100
10
1000
0
Range
40 120 16080
2.5
2.5
2.5
2.0
2.5
Fig.1 Power temperature derating current Fig.2 Temperature Coefficients v.s. Zener Voltage
Fig.3 Typical thermal resistance v.s. lead length
Fig.4 Maximum surge power
Fig.5 Typical thermal response L, lead length=3/8 inch
SMD Zener Diode
Page 4
REV:B
QW-BZ022
Comchip Technology CO., LTD.
Comchip
S M D D i o d e S p e c i a l i s t
