Diodes MMSZ5221B - MMSZ5259B - Manual (Page 3)

MMSZ5221B - MMSZ5259B
Document number: DS18010 Rev. 27 - 2
3 of 5
www.diodes.com
September 2012
© Diodes Incorporated
MMSZ5221B - MMSZ5259B
0
0.1
0.2
0.3
0.4
0.5
25 0 50 75 100 125 150
P
,
P
O
WE
R
DISS
IP
A
T
IO
N
(W
)
D
T, TEMPERATURE ( C)
Figure 1 Power Derating Curve
°
0.6
Note 5
P vs.
D
T
L
P vs.T
D A
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
EN
T
(mA
)
Z
V , ZENER VOLTAGE (V)
Figure 2 Typical Zener Breakdown Characteristics
Z
0
10
20
30
0
I,
Z
E
N
E
R
C
U
R
R
EN
T
(mA
)
Z
V , ZENER VOLTAGE (V)
Figure 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
CI
T
A
NCE (
p
F
)
T
10
100
1,000
10 100 1
V , NOMINAL ZENER VOLTAGE (V)
Figure 4 Typical Total Capacitance vs. Nominal Zener Voltage
Z
1
10
100
1,000
1 10 100
V , ZENER VOLTAGE (V)
Figure 5 Typical Zener Impedance Characteristics
Z
Z
, Z
E
NER
I
M
P
E
DANCE
(
)
Z
Ω
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0 5 10 15 20 25 30 35 40
V , ZENER VOLTAGE (V)
Z
Figure 6 Typical Temperature Coefficient of Zener Voltage
vs. Zener Voltage (MMSZ5227B - MMSZ5258B)
T
C
O
F
V,
T
EM
P
E
R
A
T
U
R
E
C
O
E
F
F
IC
IE
N
T
O
F
Z
E
NER
VO
L
T
AG
E (
%
/°
C)
Z