参数资料
型号: SML4728A-5A
厂商: VISHAY SEMICONDUCTORS
元件分类: 参考电压二极管
英文描述: 3.3 V, 1 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-214AC
封装: ROHS COMPLIANT, PLASTIC PACKAGE-2
文件页数: 3/6页
文件大小: 67K
代理商: SML4728A-5A
SML4728 to SML4764A
Document Number 85782
Rev. 1.6, 21-Oct-08
Vishay Semiconductors
www.vishay.com
3
For technical support, please contact: Diodes-SSP@vishay.com
TYPICAL CHARACTERISTICS
Tamb = 25 °C, unless otherwise specified
Fig. 1 - Maximum Continuous Power Dissipation
Fig. 2 - Typical Zener Impedance
Fig. 3 - Typical Temperature Coefficients
25
50
75
100
125
150
175
0
0.25
0.5
0.75
1.0
Terminals Temperature (
°C)
P
M(A
V
),A
v
erage
Po
w
er
Dissipation
(W
)
60 Hz
Resistiveor
Inductive Load
P.C.B. Mounted on
0.31 x 0.31 x 0.08"(8 x 8 x 2mm)
copper areas pads
17923
0.5
10
100
500
1
10
100
1,000
IZT, Zener Test Current (mA)
Z
,
D
ynamic
Zener
Impedance
)
TJ =25°C
VZ =91V
VZ =56V
VZ =30V
VZ = 6.2V
17925
0
10 20 30
40
50 60 70
80 90 100
0
10
30
50
70
90
110
VZ, Zener Voltage (V)
Θ
V
Z
,
Temperat
u
re
Coefficient
(m
V
C
)
Tested at rated IZT
17927
Fig. 4 - Typical Instantaneous Forward Characteristics for
SML4763
Fig. 5 - Typical Reverse Characteristics
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.01
0.1
1
10
Instantaneous Forward Voltage (V)
Instantaneo
u
s
For
w
ard
C
u
rrent
(A)
Pulse width = 300s
1% Duty Cycle
TJ =25°C
17924
0
20
40
60
80
100
0.01
0.1
1
10
Percent of Rated Zener Voltage (%)
Instantaneo
u
sR
e
v
erse
C
u
rrent
(
A)
TJ =25°C
TJ = 100°C
17926
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