SEMICONDUCTOR
TECHNICAL DATA
SWITCHING TYPE POWER SUPPLY APPLICATIONS.
FEATURES
Low Profile Surface Mount Package.
Low Power Loss, High Efficiency.
For Use in Low Voltage, High Frequency inverters, Free
Wheeling, and Polarity Protection Applications.
2
SMAB33
SCHOTTKY BARRIER TYPE DIODE
H
A
D
APPLICATION
Switching Power Supply.
DC/DC Converter.
Home Appliances, Office Equipment.
Telecommunication.
1
C
B
G
1. ANODE
DIM
A
B
C
D
E
F
G
H
MILLIMETERS
_
4.5 + 0.2
_
2.6 + 0.2
_
1.5 + 0.2
_
5.0 + 0.3
_
1.2 + 0.3
_
2.0 + 0.2
0 ~ 0.15
R 0.5
MAXIMUM RATING (Ta=25
CHARACTERISTIC
)
SYMBOL
V
RRM
I
O
I
FSM
T
j
T
stg
RATING
30
3
70
-40 125
-40 125
UNIT
V
A
A
2. CATHODE
Maximum Repetitive Peak Reverse Voltage
Average Output Rectitifed Current
Peak One Cycle Surge Forward Current
(Non-Repetitive 60Hz)
Junction Temperature
Storage Temperature Range
Marking
F
SMA
Type Name
B33
Lot No.
ELECTRICAL CHARACTERISTICS (Ta=25 )
CHARACTERISTIC
Peak Forward Voltage
Repetitive Peak Reverse Current
Thermal Resistance
SYMBOL
V
FM
I
RRM
R
th(j-1)
R
th(j-a)
TEST CONDITION
I
FM
=3.0A
V
RRM
=Rated
Junction to lead
Junction to ambient
(on alumina substrate)
MIN.
-
-
-
-
TYP.
-
-
-
-
MAX.
0.45
2.0
23
108
/W
UNIT
V
mA
2002. 3. 7
Revision No : 3
E
E
1/2
SMAB33
AVERAGE FORWARD POWER DISSIPATION
P
F(AV)
(W)
I
F
- V
F
10
FORWARD CURRENT I
F
(A)
5
3
T
j
=125 C
25 C
P
F(AV)
- I
F(AV)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0.6
1.2
1.8
2.4
180
360
1
0.5
0.3
RECTANGULAR
WAVEFORM
0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
3.0
3.6
FORWARD VOLTAGE V
F
(V)
AVERAGE FORWARD CURRENT I
F(AV)
(A)
MAXIMUM ALLOWABLE TEMPERATURE
Ta MAX ( C)
SURGE FORWARD CURRENT
(NON - REPETITIVE)
PEAK SURGE FORWARD CURRENT
I
FSM
(A)
80
Ta=25 C
f=60Hz
Ta - I
F(AV)
140
120
100
180
RECTANGULAR
WAVEFORM
60
80
60
40
20
0
0
0.6
1.2
1.8
2.4
360
40
20
0
1
10
NUMBER OF CYCLES AT 60Hz
100
3.0
3.6
AVERAGE FORWARD CURRENT I
F(AV)
(A)
2002. 3. 7
Revision No : 3
2/2
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