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KEC
KEC


U20A4CI

ULTRA FAST RECOVERY RECTIFIER DIODE



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U20A4CI pdf
SEMICONDUCTOR
TECHNICAL DATA
U20A4CI
ULTRA FAST RECOVERY
RECTIFIER DIODE
SWITCHING TYPE POWER SUPPLY APPLICATION
CONVERTER & CHOPPER APPLICATION.
FEATURES
Ultra-Fast Recovery Time for High Efficiency.
Low Forward Voltage Drop, High Current Capability,
and Low Power Loss.
APPLICATION
Switching Power Supply.
Home Appliances, Office Equipment.
Telecommunication, Factory Automation.
A
S
E
LL
M
DD
NN
C
DIM MILLIMETERS
A 10.0+_ 0.3
B 15.0+_ 0.3
C 2.70 +_ 0.3
D 0.76+0.09/-0.05
E Φ3.2 +_ 0.2
F 3.0+_ 0.3
G 12.0+_ 0.3
H 0.5+0.1/-0.05
J 13.6 +_ 0.5
R K 3.7+_ 0.2
L 1.2+0.25/-0.1
M 1.5+0.25/-0.1
N 2.54 +_ 0.1
P 6.8+_ 0.1
Q 4.5 +_ 0.2
R 2.6 +_0.2
HS
0.5 Typ
POLARITY
2
123
1. ANODE
2. CATHODE
3. ANODE
TO-220IS
13
MAXIMUM RATINGS (Ta=25 )
CHARACTERISTIC
SYMBOL RATING UNIT
Maximum Reverse Voltage
Average Output Rectified Current
(Tc=94 )
(Note1)
VRM
IO
430 V
20 A
Peak One Cycle Surge Forward
Current (Non-Repetitive)
100
IFSM
A
(60Hz)
Junction Temperature
Tj 150
Storage Temperature Range
Tstg -55~150
(Note1) : Average forward current of centertap full wave connection.
ELECTRICAL CHARACTERISTICS (Ta=25 )
CHARACTERISTIC
SYMBOL
Peak Forward Voltage
(Note2)
VFM
Reverse Current
(Note2)
IRM
Reverse Recovery Time
Thermal Resistance
(Note2) : A Value of one cell.
(Note2)
(Note2)
trr
Rth(j-c)
TEST CONDITION
IFM=20A
VRM=400V
VRM=Rated
IF=0.5A, IR=1A, Irr=0.25A
Junction to Case
2008. 6. 2
Revision No : 0
MIN.
-
-
-
-
-
TYP.
-
-
-
-
-
MAX.
1.6
10
30
30
1.75
UNIT
V
A
ns
/W
1/2



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U20A4CI pdf
U20A4CI
IF - VF
100
Ta=75 C
Ta=125 C
Ta=25 C
10
Ta=150 C
1
Ta=-25 C
0.1
0.01
0 200 400 600 800 1000 1200 1400 1600 1800
FORWARD VOLTAGE VF (mV)
IR - VR
1000000
100000
Ta=125 C
10000
1000
100
10
1
0
Ta=150 C
Ta=75 C
Ta=25 C
Ta=-25 C
50 100 150 200 250 300 350 400 450
REVERSE VOLTAGE VR (V)
PF(AV) - IO
50
45
40 DC
35 Sin(ѫ=180) D=1/2
30
25
20
15
10
5
0
0 10 20 30 40
AVERAGE OUTPUT RECTIFIED CURRENT I O (A)
SURGE FORWARD CURRENT
(NON - REPETITIVE)
1000
IFSM
8.3ms 8.3ms
1cyc
100
10
0
1 10 100
NUMBER OF CYCLES AT 60Hz
2008. 6. 2
Revision No : 0
2/2



Part Number U20A4CI
Description ULTRA FAST RECOVERY RECTIFIER DIODE
Maker KEC - KEC
Total Page 2 Pages
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