Diodes MMBZ5221B - MMBZ5259B - Manual (Page 3)

MMBZ5221B - MMBZ5259B
Document number: DS18011 Rev. 23 - 2
3 of 5
www.diodes.com
November 2012
© Diodes Incorporated
MMBZ5221B - MMBZ5259B
0
0.1
0.2
0.3
0.4
25 0 50 75 100 125 150
P
,
P
O
WE
R
DI
SSI
P
A
T
IO
N (
W
)
D
T , AMBIENT TEMPERATURE ( C)
Fig. 1 Power Derating Curve
A
°
Note 7
0
10
20
30
40
50
0 1 2 3 4 5 6 7 8 9 10
I,
Z
E
N
E
R
C
U
R
R
E
N
T
(mA
)
Z
V , ZENER VOLTAGE (V)
Fig. 2 Typical Zener Breakdown Characteristics
Z
0
10
20
30
0
I,
Z
E
N
E
R
C
U
R
R
EN
T
(m
A
)
Z
V , ZENER VOLTAGE (V)
Fig. 3 Typical Zener Breakdown Characteristics
Z
10 20 30 40
T = 25°C
j
Test current I
Z
10
12
18
22
27
33 36
15
39
Nominal Zener Voltage
C
, T
O
T
A
L
CAP
A
CIT
A
NCE
(
p
F
)
T
10
100
1,000
10 100 1
V , NOMINAL ZENER VOLTAGE (V)
Fig. 4 Typical Total Capacitance vs. Nominal Zener Voltage
Z
T = 25 °C
f = 1MHz
J
V = 1V
R
V = 2V
R
1
10
100
1,000
1 10 100
V , ZENER VOLTAGE (V)
Fig. 5 Typical Zener Impedance Characteristics
Z
Z
, Z
E
NER
IM
PEDANC
E
(
)
Z
Ω