S B D
T y p e :
KCQ120A03LE
OUTLINE DRAWING
Maximum Ratings
Approx Net Weight:
30g
Rating Symbol
KCQ120A03LE
Unit
Repetitive Peak Reverse Voltage
V
RRM
30
V
Average Rectified Output Current
I
O
120
Tc=97
C
50 Hz Full Sine Wave
Resistive Load
A
RMS Forward Current
I
F(RMS)
133
A
Surge Forward Current
I
FSM
700
50Hz Full Sine Wave ,1cycle
Non-repetitive
A
Operating JunctionTemperature Range
T
jw
-40 to +150
C
Storage Temperature Range
T
stg
-40 to +150
C
Anode,Kathode Lead recommended torque
0.5
Mounting torque
Ftor
Kathode Base recommended torque
2.4
Nm
Electrical
Thermal Characteristics
Characteristics Symbol
Conditions
Min.
Typ.
Max.
Unit
Peak Reverse Current
I
RM
Tj= 25
C, V
RM
= V
RRM
per arm
- - 40
mA
Peak Forward Voltage
V
FM
Tj= 25
C, I
FM
= 60 A
per arm
- -
0.54
V
Thermal Resistance (Junction to Case)
Rth(j-c) Junction to Case
-
-
0.45
C
/W
FEATURES
FEATURES
FEATURES
FEATURES
*Similar to TO-247AC (TO-3P) Case
*Dual Diodes Cathode Common
*Low Forward Voltage Drop
*Low Power Loss,High Efficiency
*High Surge Capability
*Tj=150
C
operation
KCQ120A03LE OUTLINE DRAWING
(Dimentions in mm)
FORWARD CURRENT VS. VOLTAGE
KCQ120A03LE (per Arm)
0
0.2
0.4
0.6
0.8
1.0
1.2
INSTANTANEOUS FORWARD VOLTAGE (V)
5
10
20
50
100
200
500
I
N
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
20
40
60
80
100
120
140
AVERAGE FORWARD CURRENT (A)
0
20
40
60
80
100
AVER
AG
E
F
O
R
W
AR
D
POW
E
R
D
I
S
S
IP
ATI
O
N
(
W
)
KCQ120A03LE (Total)
0
180
CONDUCTION ANGLE
SINE WAVE
RECT 180
FORWARD CURRENT VS. VOLTAGE
KCQ120A03LE (per Arm)
0
0.2
0.4
0.6
0.8
1.0
1.2
INSTANTANEOUS FORWARD VOLTAGE (V)
5
10
20
50
100
200
500
I
N
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
20
40
60
80
100
120
140
AVERAGE FORWARD CURRENT (A)
0
20
40
60
80
100
AVER
AG
E
F
O
R
W
AR
D
POW
E
R
D
I
S
S
IP
ATI
O
N
(
W
)
KCQ120A03LE (Total)
0
180
CONDUCTION ANGLE
SINE WAVE
RECT 180
PEAK REVERSE CURRENT VS. PEAK REVERSE VOLTAGE
KCQ120A03LE (per Arm)
Tj= 150 C
0
5
10
15
20
25
30
35
PEAK REVERSE VOLTAGE (V)
500
1000
2000
P
EAK
R
EVE
R
S
E
C
U
R
R
E
N
T
(
m
A
)
AVERAGE REVERSE POWER DISSIPATION
KCQ120A03LE (Total)
0
5
10
15
20
25
30
35
REVERSE VOLTAGE (V)
0
10
20
30
40
50
60
AVER
AG
E
R
E
VE
R
S
E
P
O
W
E
R
D
I
S
S
I
PATI
O
N
(
W
)
RECT 180
SINE WAVE
PEAK REVERSE CURRENT VS. PEAK REVERSE VOLTAGE
KCQ120A03LE (per Arm)
Tj= 150 C
0
5
10
15
20
25
30
35
PEAK REVERSE VOLTAGE (V)
500
1000
2000
P
EAK
R
EVE
R
S
E
C
U
R
R
E
N
T
(
m
A
)
AVERAGE REVERSE POWER DISSIPATION
KCQ120A03LE (Total)
0
5
10
15
20
25
30
35
REVERSE VOLTAGE (V)
0
10
20
30
40
50
60
AVER
AG
E
R
E
VE
R
S
E
P
O
W
E
R
D
I
S
S
I
PATI
O
N
(
W
)
RECT 180
SINE WAVE
AVERAGE FORWARD CURRENT VS. CASE TEMPERATURE
KCQ120A03LE (Total)
V
RM
=30V
0
25
50
75
100
125
150
CASE TEMPERATURE (C)
0
20
40
60
80
100
120
140
AV
ER
A
G
E FO
R
W
AR
D
C
U
R
R
E
N
T
(
A
)
0
180
CONDUCTION ANGLE
SINE WAVE
RECT 180
SURGE CURRENT RATINGS
KCQ120A03LE
f=50Hz,Half Sine Wave,Non-Repetitive,No Load
0.02
0.05
0.1
0.2
0.5
1
2
TIME (s)
0
100
200
300
400
500
600
700
800
S
U
R
G
E
F
O
RW
A
R
D
CUR
RE
N
T
(
A
)
0.02s
IFSM
AVERAGE FORWARD CURRENT VS. CASE TEMPERATURE
KCQ120A03LE (Total)
V
RM
=30V
0
25
50
75
100
125
150
CASE TEMPERATURE (C)
0
20
40
60
80
100
120
140
AV
ER
A
G
E FO
R
W
AR
D
C
U
R
R
E
N
T
(
A
)
0
180
CONDUCTION ANGLE
SINE WAVE
RECT 180
SURGE CURRENT RATINGS
KCQ120A03LE
f=50Hz,Half Sine Wave,Non-Repetitive,No Load
0.02
0.05
0.1
0.2
0.5
1
2
TIME (s)
0
100
200
300
400
500
600
700
800
S
U
R
G
E
F
O
RW
A
R
D
CUR
RE
N
T
(
A
)
0.02s
IFSM
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