SEMICONDUCTOR
TECHNICAL DATA
SWITCHING TYPE POWER SUPPLY APPLICATION
CONVERTER & CHOPPER APPLICATION.
A
F
U20A4CI
ULTRA FAST RECOVERY
RECTIFIER DIODE
C
S
FEATURES
・Ultra-Fast
Recovery Time for High Efficiency.
・Low
Forward Voltage Drop, High Current Capability,
and Low Power Loss.
E
G
B
DIM
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
H
S
K
L
L
R
M
APPLICATION
・Switching
Power Supply.
・Home
Appliances, Office Equipment.
・Telecommunication,
Factory Automation.
D
D
MILLIMETERS
_
10.0 + 0.3
_
15.0 + 0.3
_
2.70 + 0.3
0.76+0.09/-0.05
_
Φ3.2
+ 0.2
_
3.0 + 0.3
_
12.0 + 0.3
0.5+0.1/-0.05
_
13.6 + 0.5
_
3.7 + 0.2
1.2+0.25/-0.1
1.5+0.25/-0.1
_
2.54 + 0.1
_ 0.1
6.8 +
_
4.5 + 0.2
_
2.6 + 0.2
0.5 Typ
N
N
J
1
2
3
Q
1. ANODE
2. CATHODE
3. ANODE
POLARITY
2
TO-220IS
1
3
MAXIMUM RATINGS (Ta=25℃)
CHARACTERISTIC
Maximum Reverse Voltage
Average Output Rectified Current
(Tc=94℃)
(Note1)
SYMBOL
V
RM
I
O
RATING
430
20
100
(60Hz)
150
-55~150
UNIT
V
A
Peak One Cycle Surge Forward
Current (Non-Repetitive)
Junction Temperature
Storage Temperature Range
I
FSM
T
j
T
stg
A
℃
℃
(Note1) : Average forward current of centertap full wave connection.
ELECTRICAL CHARACTERISTICS (Ta=25℃)
CHARACTERISTIC
Peak Forward Voltage
Reverse Current
Reverse Recovery Time
Thermal Resistance
(Note2) : A Value of one cell.
(Note2)
(Note2)
(Note2)
(Note2)
SYMBOL
V
FM
I
RM
V
RM
=Rated
t
rr
R
th(j-c)
I
F
=0.5A, I
R
=1A, I
rr
=0.25A
Junction to Case
-
-
-
-
-
-
30
30
1.75
ns
℃/W
TEST CONDITION
I
FM
=20A
V
RM
=400V
MIN.
-
-
TYP.
-
-
MAX.
1.6
10
μ
A
UNIT
V
2008. 6. 2
Revision No : 0
P
1/2
U20A4CI
I
F
- V
F
100
FORWARD CURRENT I
F
(A)
Ta=125 C
Ta=75 C
Ta=25 C
I
R
- V
R
1000000
REVERSE CURRENT I
R
(nA)
100000
10000
Ta=125 C
10
Ta=150 C
Ta=150 C
1
Ta=-25 C
1000
Ta=75 C
100
Ta=25 C
0.1
10
1
0
Ta=-25 C
0.01
0
200 400 600 800 1000 1200 1400 1600 1800
FORWARD VOLTAGE V
F
(mV)
50
100 150 200 250 300 350 400 450
REVERSE VOLTAGE V
R
(V)
AVERAGE FORWARD POWER DISSIPATION
P
F(AV)
(W)
P
F(AV)
- I
O
PEAK SURGE FORWARD CURRENT
I
FSM
(A)
50
45
40
35
30
25
20
15
10
5
0
0
10
20
30
40
Sin( =180)
D=1/2
DC
SURGE FORWARD CURRENT
(NON - REPETITIVE)
1000
I
FSM
8.3ms
8.3ms
100
1cyc
10
0
1
10
NUMBER OF CYCLES AT 60Hz
100
AVERAGE OUTPUT RECTIFIED CURRENT I
O
(A)
2008. 6. 2
Revision No : 0
2/2
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