1.0W Zener Diode
COMCHIP
www.comchiptech.com
Ratings and Characteristic Curves
(TA = 25°C unless otherwise noted)
1.0
P
d
, TOTAL POWER DISSIPATION (W)
250
0.8
200
0.6
150
0.4
100
0.2
50
0
0
40
80
120
160
200
0
0
30
15
25
20
10
l, Lead Length (mm)
Fig. 2 Typical Thermal Resistance vs. Lead Length
5
T
A
, AMBIENT TEMPERATURE
Fig.1 Power Dissipation vs Ambient Temperature
1000
f = 1MHz
T
A
= 25C
1000
I
Z
= 1mA
C
j
, DIODE CAPACITANCE (pF)
2mA
100
V
R
= 0V
V
R
= 2V
V
R
= 5V
V
R
= 20V
100
5mA
10mA
20mA
10
V
R
= 30V
10
1
0
10
20
30
40
50
60
V
Z
, ZENER VOLTAGE (V)
Fig.3, Junction Capacitance vs Zener Voltage
1
1
10
100
V
Z
, ZENER VOLTAGE (V)
Fig. 4 Typical Zener Impedance vs. Zener Voltage
MDS0312003A
Page 2
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