1N4728A Series
1000
500
200
100
50
20
10
5
2
1
0.1
0.2
0.5
1
2
5
10
I
Z
, ZENER CURRENT (mA)
20
50
100
6.2 V
V
Z
= 2.7 V
47 V
27 V
T
J
= 25°C
i
Z
(rms) = 0.1 I
Z
(dc)
f = 60 Hz
1000
700
500
200
100
70
50
20
10
7
5
2
1
1
2
3
5
7 10
20 30
V
Z
, ZENER VOLTAGE (V)
50
70 100
T
J
= 25°C
i
Z
(rms) = 0.1 I
Z
(dc)
f = 60 Hz
Z Z , DYNAMIC IMPEDANCE (OHMS)
Z Z , DYNAMIC IMPEDANCE (OHMS)
I
Z
= 1 mA
5 mA
20 mA
Figure 6. Effect of Zener Current
on Zener Impedance
Figure 7. Effect of Zener Voltage
on Zener Impedance
10000
7000
5000
2000
1000
700
500
200
100
70
50
I R , LEAKAGE CURRENT (µ A)
20
10
7
5
2
1
0.7
0.5
0.2
0.1
0.07
0.05
0.02
0.01
0.007
0.005
0.002
0.001
3
4
5
6
7
8
400
300
TYPICAL LEAKAGE CURRENT
AT 80% OF NOMINAL
BREAKDOWN VOLTAGE
200
C, CAPACITANCE (pF)
100
50
20
10
8
4
1
2
0 V BIAS
1 V BIAS
50% OF BREAKDOWN BIAS
5
10
20
V
Z
, NOMINAL V
Z
(VOLTS)
50
100
Figure 9. Typical Capacitance versus V
Z
1000
500
I F , FORWARD CURRENT (mA)
200
100
50
20
10
5 150°C
2
9
10
11
12
13
14
15
1
0.4
0.5
0.6
0.7
0.8
75°C
25°C
0°C
0.9
1
1.1
+125°C
MINIMUM
MAXIMUM
+25°C
V
Z
, NOMINAL ZENER VOLTAGE (VOLTS)
V
F
, FORWARD VOLTAGE (VOLTS)
Figure 8. Typical Leakage Current
Figure 10. Typical Forward Characteristics
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