KEC SMAU1D

SEMICONDUCTOR
SMAU1D
TECHNICAL DATA
ULTRA FAST RECOVERY RECTIFIER DIODE
SWITCHING TYPE POWER SUPPLY APPLICATIONS.
2
E
FEATURES
Ultra-Fast Recovery Time for High Efficiency.
H
A
Low Forward Voltage Drop, High current Capability, and
D
Low Profile Surface Mount Package.
E
Low Power Loss.
APPLICATION
1
C
Switching Power Supply.
B
DC/DC Converter.
DIM
A
B
C
D
E
F
G
H
I
I
Home Appliances, Office Equipment.
F
Telecommunication, Factory Automation.
G
1. ANODE
MAXIMUM RATING (Ta=25
2. CATHODE
)
CHARACTERISTIC
SYMBOL
RATING
UNIT
Maximum Repetitive Peak Reverse Voltage
VRRM
200
V
IO
1
A
IFSM
33
A
Tj
-40 150
Tstg
-40 150
Average Output Rectitifed Current
Peak One Cycle Surge Forward Current
(Non-Repetitive 60Hz)
Junction Temperature
Storage Temperature Range
MILLIMETERS
_ 0.2
4.5 +
_ 0.2
2.6 +
_ 0.2
1.5 +
_ 0.3
5.0 +
_ 0.3
1.2 +
_ 0.2
2.0 +
0 ~ 0.15
R 0.5
_ 0.1
1.0 +
SMA
Marking
Type Name
U1D
Lot No.
ELECTRICAL CHARACTERISTICS (Ta=25
CHARACTERISTIC
)
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Peak Forward Voltage
VFM
IFM=1.0A
-
-
0.98
V
Repetitive Peak Reverse Current
IRRM
VRRM=Rated
-
-
1
A
IF=100mA, IR=200mA
-
-
35
ns
Junction to lead
-
-
23
/W
-
-
108
/W
trr
Reverse Recovery Time
Rth(j-1)
Thermal Resistance
2004. 3. 25
Rth(j-a)
Revision No : 4
Junction to ambient
(on alumina substrate)
1/2
IF
- VF
FORWARD CURRENT I F (A)
10
5
3
T j =150 C
25 C
1
0.5
0.3
0.1
0.4
0.6
0.8
1.0
1.2
1.4
1.6
AVERAGE FORWARD POWER DISSIPATION
P F(AV) (W)
SMAU1D
P F(AV) - I
1.2
RECTANGULAR
WAVEFORM
1.0
0.8
180
360
0.6
0.4
0.2
0
0
FORWARD VOLTAGE V F (V)
0.2
TL -
0.6
0.8
1.0
1.2
I F(AV)
200
50
Ta=25 C
f=60Hz
40
LEAD TEMPERATURE TL ( C)
PEAK SURGE FORWARD CURRENT
I FSM (A)
0.4
AVERAGE FORWARD CURRENT I F(AV) (A)
SURGE FORWARD CURRENT
(NON - REPETITIVE)
30
20
10
160
120
RECTANGULAR
WAVEFORM
80
40
180
360
0
0
1
3
5
10
30
NUMBER OF CYCLES AT 60Hz
2004. 3. 25
F(AV)
Revision No : 4
50
100
0
0.2
0.4
0.6
0.8
1.0
1.2
AVERAGE FORWARD CURRENT I F(AV) (A)
2/2