参数资料
型号: MMSZ4712-V-GS18
厂商: VISHAY SEMICONDUCTORS
元件分类: 齐纳二极管
英文描述: 28 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE
封装: ROHS COMPLIANT, PLASTIC PACKAGE-2
文件页数: 4/6页
文件大小: 65K
代理商: MMSZ4712-V-GS18
www.vishay.com
4
Document Number 85773
Rev. 1.7, 17-Jul-08
MMSZ4681-V to MMSZ4717-V
Vishay Semiconductors
For technical support, please contact: DiodesSSP@vishay.com
Figure 7. Z-Current vs. Z-Voltage
Figure 8. Z-Current vs. Z-Voltage
8
20
95 9604
0
20
40
60
80
100
I Z
-
Z-C
u
rrent
(mA)
P
tot = 500 mW
T
amb = 25 °C
04
6
12
VZ - Z-Voltage (V)
15
20
25
30
0
10
20
30
40
50
I Z
-
Z-C
u
rrent
(mA)
VZ - Z-Voltage (V)
35
95 9607
P
tot = 500 mW
T
amb = 25 °C
Figure 9. Differential Z-Resistance vs. Z-Voltage
0
101520
1
10
100
1000
25
95 9606
T
j = 25 °C
I
Z = 1 mA
5 mA
10 mA
VZ - Z-Voltage (V)
r Z
-
Differential
Z-Resistance
(
Ω
)
5
Figure 10. Thermal Response
1
10
100
1000
Z
thp
-
Thermal
Resistance
for
P
u
lse
Cond.
(K
W
)
tp - Pulse Length (ms)
95 9603
10-1
100
101
102
t
p/T = 0.5
t
p/T = 0.2
t
p/T = 0.1
t
p/T = 0.05
t
p/T = 0.02
t
p/T = 0.01
Single Pulse
R
thJA = 300 K/W
T = T
jmax - Tamb
i
ZM = (- VZ + (VZ
2 + 4r
zj x T/Zthp)
1/2)/(2r
zj)
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