Diodes 1SMB5913B – 1SMB5939B User Manual
Page 3
1SMB5913B – 1SMB5939B
Document number: DS32125 Rev. 6 - 2
3 of 5
May 2013
© Diodes Incorporated
1SMB5913B – 1SMB5939B
NEW PROD
UC
T
0
50
100
150
T , AMBIENT TEMPERATURE ( C)
Figure 1 Power Dissipation vs. Ambient Temperature
A
°
125
75
25
0
1
2
3
4
5
6
P
, MA
X
IM
U
M
P
O
WE
R
DISS
IP
A
T
IO
N
(W
)
D
T
L
T
A
Note 5
0
5
10
15
20
25
30
35
40
0
5
10
15
20
25
30
35
40
T
C
of
V
,
T
EM
P
E
R
A
T
U
R
E
C
O
E
F
F
IC
IE
N
T
O
F
Z
E
NE
R VO
L
T
AG
E (
m
V
/°C)
Z
V , ZENER VOLTAGE (V)
Z
Figure 2 Typical Temperature Coefficient of
Zener Voltage vs. Zener Voltage
0.1
1
10
100
0
10
20
30
40
50
V , ZENER VOLTAGE (V)
Figure 3 Typical
Characteristics
Z
Zener Breakdown
I,
Z
E
N
E
R
C
U
R
R
EN
T
(mA
)
Z
6.2V
13V
15V
39V
3.3V
V , ZENER VOLTAGE (V)
Z
Figure 4 Effect of Zener Voltage
Z,
D
Y
N
AM
IC
IM
P
EDA
N
C
E (
)
Z
1
10
100
1000
1
10
100
1mA
10mA
20mA
I , ZENER TEST CURRENT (mA)
Z
Figure 5 Effect of Zener Current
Z,
D
Y
NAM
IC
IM
P
EDAN
C
E (
)
Z
13V
15V
6.2V
39V
3.3V
0.1
1
10
100
0
10
20
30
40
V , REVERSE VOLTAGE (V)
Figure 6 Typical Total Capacitance vs. Reverse Voltage
R
0
200
400
600
800
1,000
1,200
1,400
1,600
1,800
C
,
T
O
T
AL
C
A
P
A
C
IT
AN
C
E (
p
F
)
T
V = 0V
R
f = 1MHz
V = V
R
Z
/2