SEMICONDUCTOR
TECHNICAL DATA
SWITCHING TYPE POWER SUPPLY APPLICATIONS.
2
SMAB34
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.
1
C
B
E
G
A
D
APPLICATION
・Switching
Power Supply.
・DC/DC
Converter.
・Home
Appliances, Office Equipment.
・Telecommunication.
DIM
A
B
C
D
E
F
G
Unit : mm
MILLIMETERS
_
4.3
+
0.3
_
2.5
+
0.15
_
1.45
+
0.18
_
0.2
5.0
+
_
1.15
+
0.35
_
0.2
2.1
+
_
0.23
+
0.08
F
1. ANODE
2. CATHODE
SMA
℃
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
40
3
70
-55½150
-55½150
UNIT
V
A
A
℃
℃
Lot No.
Marking
Type Name
B34
℃
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)
I
FM
=3.0A
V
RRM
=Rated
Junction to lead
Junction to ambient (on alumina substrate)
TEST CONDITION
MIN.
-
-
-
-
TYP.
-
-
-
-
MAX.
0.52
0.5
23
108
℃/W
UNIT
V
mA
2016. 06. 16
Revision No : 9
E
1/2
SMAB34
AVERAGE FORWARD POWER DISSIPATION
P
F(AV)
(W)
I
F
- V
F
10
FORWARD CURRENT I
F
(A)
5
3
T
j
=150 C
25 C
75 C
P
F(AV)
- I
F(AV)
2.0
RECTANGULAR
WAVEFORM
1.5
180
360
1
0.5
0.3
125 C
1.0
0.5
0.1
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
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)
150
125
100
75
50
25
0.0
180
360
RECTANGULAR
WAVEFORM
60
40
20
0
1
10
NUMBER OF CYCLES AT 60Hz
100
0.5
1.0
1.5
2.0
2.5
3.0
AVERAGE FORWARD CURRENT I
F(AV)
(A)
2016. 06. 16
Revision No : 9
2/2