SEMICONDUCTOR
TECHNICAL DATA
SWITCHING TYPE POWER SUPPLY APPLICATIONS.
FEATURES
Ultra-Fast Recovery Time for High Efficiency.
Low Profile Surface Mount Package.
Low Forward Voltage Drop, High current Capability, and
Low Power Loss.
2
SMAU1G
ULTRA FAST RECOVERY RECTIFIER DIODE
H
A
D
APPLICATION
Switching Power Supply.
DC/DC Converter.
Home Appliances, Office Equipment.
Telecommunication, Factory Automation.
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
400
1
33
-40 150
-40 150
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
U1G
Lot No.
ELECTRICAL CHARACTERISTICS (Ta=25 )
CHARACTERISTIC
Peak Forward Voltage
Repetitive Peak Reverse Current
Reverse Recovery Time
Thermal Resistance
SYMBOL
V
FM
I
RRM
t
rr
R
th(j-1)
R
th(j-a)
TEST CONDITION
I
FM
=1.0A
V
RRM
=Rated
I
F
=100mA, I
R
=200mA
Junction to lead
Junction to ambient
(on alumina substrate)
MIN.
-
-
-
-
-
TYP.
-
-
-
-
-
MAX.
1.3
10
50
23
108
UNIT
V
A
ns
/W
/W
2002. 3. 7
Revision No : 3
E
E
1/2
SMAU1G
AVERAGE FORWARD POWER DISSIPATION
P
F(AV)
(W)
I
F
10
FORWARD CURRENT I
F
(A)
5
3
T
j
=150 C
- V
F
P
F(AV)
- I
F(AV)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
180
360
25 C
1
0.5
0.3
RECTANGULAR
WAVEFORM
0.1
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
FORWARD VOLTAGE V
F
(V)
AVERAGE FORWARD CURRENT I
F(AV)
(A)
SURGE FORWARD CURRENT
(NON - REPETITIVE)
PEAK SURGE FORWARD CURRENT
I
FSM
(A)
MAXIMUM ALLOWABLE AMBIENT
TEMPERATURE Ta MAX ( C)
50
40
30
20
10
0
1
3
5
10
30
50
100
200
160
120
80
40
0
0
0.2
Ta=25 C
f=60Hz
Ta - I
F(AV)
RECTANGULAR
WAVEFORM
180
360
0.4
0.6
0.8
1.0
1.2
NUMBER OF CYCLES AT 60Hz
AVERAGE FORWARD CURRENT I
F(AV)
(A)
2002. 3. 7
Revision No : 3
2/2
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