25
50
75
100
125
150
175
0
0.25
0.5
0.75
1.0
0.5
10
100
500
1
10
100
1,000
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.01
0.1
1
10
0
20
40
60
80
100
0.01
0.1
1
10
0
10 20 30
40
50 60 70
80 90 100
0
10
30
50
70
90
110
Terminals Temperature (
°C)
P
M(AV)
,Average
Power
Dissipation
(W)
IZT, Zener Test Current (mA)
Z
,Dynamic
Zener
Impedance
(
)
Percent of Rated Zener Voltage (%)
Instantaneous
Reverse
Current
(
A)
VZ, Zener Voltage (V)
Θ
V
Z
,Temperature
Coefficient
(mV/
°C)
Instantaneous Forward Voltage (V)
Instantaneous
Forward
Current
(A)
Fig. 1 - Maximum Continuous Power
Dissipation
Fig. 3 - Typical Zener Impedance
Fig. 5 - Typical Temperature Coefficients
Fig. 2 - Typical Instantaneous Forward
Characteristics for SML4763
Fig. 4 - Typical Reverse Characteristics
60 Hz
Resistive or
Inductive Load
P.C.B. Mounted on
0.31 x 0.31 x 0.08" (8 x 8 x 2mm)
copper areas pads
Pulse width = 300
s
1% Duty Cycle
TJ = 25°C
VZ = 91V
VZ = 56V
VZ = 30V
VZ = 6.2V
Tested at rated IZT
TJ = 25°C
TJ = 100°C
Ratings and
Characteristic Curves (TA = 25°C unless otherwise noted)
SML4728 thru SML4764A
Surface Mount Zener Diodes