SBD
Type :
KCH20A20
KCH20A20
KCH20A20
KCH20A20
OUTLINE DRAWING
Maximum Ratings
Approx Net Weight:5.55g
Rating
Symbol KCH20A20
Unit
Repetitive Peak Reverse Voltage
V
RRM
200 V
Average Rectified Output Current
I
O
20
Tc=118
C
50 Hz,Full Sine Wave
Resistive Load
A
RMS Forward Current
I
F(RMS)
22.2 A
Surge Forward Current
I
FSM
120
50 Hz Full Sine Wave,1cycle
Non-repetitive
A
Operating JunctionTemperature Range
Tjw
- 40 to + 150
C
Storage Temperature Range
Tstg
- 40 to + 150
C
Mounting torque
0.5 Recommended value
N
m
Electrical
Thermal Characteristics
Characteristics
Symbol Conditions Min. Typ.
Max.
Unit
Peak Reverse Current
I
RM
Tj=25
C,V
RM
=V
RRM
per Diode
- -
200
A
Peak Forward Voltage
V
FM
Tj=25
C, I
FM
=10A per Diode
- -
0.90
V
Rth(j-c) Junction to Case
-
-
3
Thermal Resistance
Rth(c-f) Case to Fin
-
-
1.5
C/W
FEATURES
* High VRM SBD
* Low Forward Voltage Drop and Low Noise
* Dual Diodes Cathode Common
For High Frequency Rectification
20A 200V Cathode Common
KxH20A20 OUTLINE DRAWING (Dimensions in mm)
FORWARD CURRENT VS. VOLTAGE
KCH30A20 (per Arm)
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE (V)
1
2
5
10
20
50
100
IN
STA
N
T
A
N
E
O
U
S FOR
W
AR
D
C
U
R
R
EN
T (
A
)
Tj=25C
Tj=150C
AVERAGE FORWARD POWER DISSIPATION
0
5
10
15
20
25
30
35
AVERAGE FORWARD CURRENT (A)
0
5
10
15
20
25
30
AVER
AG
E
FOR
W
AR
D
POWE
R
D
I
S
S
IP
ATI
O
N
(
W
)
KCH30A20 (Total)
0
180
CONDUCTION ANGLE
SINE WAVE
RECT 180
FORWARD CURRENT VS. VOLTAGE
KCH30A20 (per Arm)
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE (V)
1
2
5
10
20
50
100
IN
STA
N
T
A
N
E
O
U
S FOR
W
AR
D
C
U
R
R
EN
T (
A
)
Tj=25C
Tj=150C
AVERAGE FORWARD POWER DISSIPATION
0
5
10
15
20
25
30
35
AVERAGE FORWARD CURRENT (A)
0
5
10
15
20
25
30
AVER
AG
E
FOR
W
AR
D
POWE
R
D
I
S
S
IP
ATI
O
N
(
W
)
KCH30A20 (Total)
0
180
CONDUCTION ANGLE
SINE WAVE
RECT 180
PEAK REVERSE CURRENT VS. PEAK REVERSE VOLTAGE
KCH30A20 (per Arm)
Tj= 150 C
0
40
80
120
160
200
PEAK REVERSE VOLTAGE (V)
10
20
50
PE
AK R
EVE
R
SE C
U
R
R
E
N
T
(
m
A
)
AVERAGE REVERSE POWER DISSIPATION
KCH30A20 (Total)
0
40
80
120
160
200
REVERSE VOLTAGE (V)
0
2
4
6
8
10
A
VER
A
G
E R
E
VE
R
S
E
POW
E
R
D
I
S
S
IP
ATI
O
N
(
W
)
RECT 180
SINE WAVE
PEAK REVERSE CURRENT VS. PEAK REVERSE VOLTAGE
KCH30A20 (per Arm)
Tj= 150 C
0
40
80
120
160
200
PEAK REVERSE VOLTAGE (V)
10
20
50
PE
AK R
EVE
R
SE C
U
R
R
E
N
T
(
m
A
)
AVERAGE REVERSE POWER DISSIPATION
KCH30A20 (Total)
0
40
80
120
160
200
REVERSE VOLTAGE (V)
0
2
4
6
8
10
A
VER
A
G
E R
E
VE
R
S
E
POW
E
R
D
I
S
S
IP
ATI
O
N
(
W
)
RECT 180
SINE WAVE
AVERAGE FORWARD CURRENT VS. CASE TEMPERATURE
KCH30A20 (Total)
V
RM
=200V
0
25
50
75
100
125
150
CASE TEMPERATURE (C)
0
5
10
15
20
25
30
35
A
V
E
R
A
G
E
F
O
R
W
A
R
D
CURR
E
N
T
(
A
)
0
180
CONDUCTION ANGLE
SINE WAVE
RECT 180
SURGE CURRENT RATINGS
KCH30A20
f=50Hz,Harf Sine Wave,Non-Repetitive,No Load
0.02
0.05
0.1
0.2
0.5
1
2
TIME (s)
0
20
40
60
80
100
120
140
160
S
U
R
G
E
F
O
R
W
A
R
D
CUR
RE
NT
(
A
)
0.02s
IFSM
AVERAGE FORWARD CURRENT VS. CASE TEMPERATURE
KCH30A20 (Total)
V
RM
=200V
0
25
50
75
100
125
150
CASE TEMPERATURE (C)
0
5
10
15
20
25
30
35
A
V
E
R
A
G
E
F
O
R
W
A
R
D
CURR
E
N
T
(
A
)
0
180
CONDUCTION ANGLE
SINE WAVE
RECT 180
SURGE CURRENT RATINGS
KCH30A20
f=50Hz,Harf Sine Wave,Non-Repetitive,No Load
0.02
0.05
0.1
0.2
0.5
1
2
TIME (s)
0
20
40
60
80
100
120
140
160
S
U
R
G
E
F
O
R
W
A
R
D
CUR
RE
NT
(
A
)
0.02s
IFSM
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