参数资料
型号: MMSZ5231B
厂商: RECTRON LTD
元件分类: 齐纳二极管
英文描述: 5.1 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE
封装: PLASTIC PACKAGE-2
文件页数: 3/4页
文件大小: 458K
代理商: MMSZ5231B
RECTRON
RATING AND CHARACTERISTICS CURVES ( MMSZ5221B-MMSZ5260B )
0.4
0.5
0.6
0.3
0.2
0.1
0
1000
100
10
1000
1
100
10
1
10
100
0
10
20
30
40
0
25
50
75
100
125
150
1
10
100
30
20
10
0
P D
,P
O
W
ER
DI
SS
IP
AT
IO
N(
W
)
DY
NA
M
IC
ZE
NE
R
IM
PE
DA
NC
E(
W
)
I Z
,Z
EN
ER
CU
RR
EN
T(
m
A)
C T
,T
O
TA
L
CA
PA
CI
TA
NC
E(
pF
)
Figure 1 Power Dissipation vs Ambient Temperature
Figure 3 Zener Voltage vs Zener Impedence
TA,AMBIENT TEMPERATURE(OC)
VZ,NOMINAL ZENER VOLTAGE(V)
Figure 2 Typical Capacitance
VZ,ZENER VOLTAGE(V)
Figure 5 Zener Breakdown Characteristics
IZ = 1.0mA
TJ = 25OC 10
12
15
18
22
27
33
36 39
50
40
30
20
10
0
1
2
3
4
5
6
7
8
9
10
I Z
,Z
EN
ER
CU
RR
EN
T(
m
A)
VZ,ZENER VOLTAGE(V)
Figure 4 Zener Breakdown Characteristics
TJ = 25OC
5V6
6V8
8V2
Test Current Iz
20mA
Test Current Iz
Nominal Zener Voltage
TJ = 25OC
VR = 1V
VR = 2V
100
Figure 6. 8×20s Pulse Waveform
90
80
70
60
50
40
30
20
10
0
20
40
60
80
t, TIME ( s)
tP
tr
PULSE WIDTH (tP) IS DEFINED
AS THAT POINT WHERE THE
PEAK CURRENT DECAY = 8 s
HALF VALUE IRSM/2 @ 20 s
%
O
F
P
E
A
K
P
U
L
S
E
C
U
R
E
N
T
PEAK VALUE IRSM @ 8 s
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