SEMICONDUCTOR
TECHNICAL DATA
SWITCHING TYPE POWER SUPPLY APPLICATIONS.
2
SMAB33U
SCHOTTKY BARRIER TYPE DIODE
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.
A
D
H
E
1
C
B
G
APPLICATION
・Switching
Power Supply.
・DC/DC
Converter.
・Home
Appliances, Office Equipment.
・Telecommunication.
1. ANODE
2. CATHODE
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
Maximum Repetitive Peak Reverse Voltage
Average Output Rectitifed Current
Peak One Cycle Surge Forward Current
(Non-Repetitive 60Hz)
Junction Temperature
Storage Temperature Range
SYMBOL
V
RRM
I
O
I
FSM
T
j
T
stg
RATING
30
3
70
-55½125
-55½150
UNIT
V
A
A
℃
℃
SMA
Marking
Type Name
B33U
Lot No.
ELECTRICAL CHARACTERISTICS (Ta=25℃)
CHARACTERISTIC
Peak Forward Voltage
Repetitive Peak Reverse Current
SYMBOL
V
FM
I
RRM
R
th(j-1)
Thermal Resistance
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.
0.52
2.0
23
℃/W
108
UNIT
V
mA
2012. 7. 24
Revision No : 1
F
E
1/2
SMAB33U
AVERAGE FORWARD POWER DISSIPATION
P
F(AV)
(W)
I
F
- V
F
10
FORWARD CURRENT I
F
(A)
5
3
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
3.0
3.6
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
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)
2012. 7. 24
Revision No : 1
2/2
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