Feb.1999
MITSUBISHI FAST RECOVERY DIODE MODULES
RM50DA/CA/C1A-XXS
MEDIUM POWER, HIGH FREQUENCY USE
INSULATED TYPE
OUTLINE DRAWING & CIRCUIT DIAGRAM Dimensions in mm
APPLICATION
Free wheel use, Welder
RM50DA/CA/C1A-XXS
•IDC DC current .................................. 50A
•VRRM Repetitive peak reverse voltage
......................300/600V
•trr Reverse recovery time ............. 0.4µs
•Insulated Type
53.5
43.3
16
18
14
5.3
36.5
R6
3–M4
8
33
3.5 3.5
24
4.5
22 7
CA
C1A
DA
LABEL
φ5.3
Feb.1999
Symbol
IRRM
VFM
trr
Qrr
trr
Qrr
Rth (j-c)
Rth (c-f)
Test conditions
Tj=150°C, VRRM applied
Tj=25°C, IFM=50A, instantaneous meas.
IFM=50A, di/dt=–100A/µs, VR=150/300V*1, Tj=25°C
IFM=50A, di/dt=–150A/µs, VR=150/300V*1, Tj=150°C
Junction to case
Case to fin, conductive grease applied
ABSOLUTE MAXIMUM RATINGS (Tj=25°C, unless otherwise noted)
Unit
V
V
V
MITSUBISHI FAST RECOVERY DIODE MODULES
RM50DA/CA/C1A-XXS
MEDIUM POWER, HIGH FREQUENCY USE
INSULATED TYPE
6
300
360
240
Symbol
VRRM
VDRM
VR
Parameter
Repetitive peak reverse voltage
Non-repetitive peak reverse voltage
Reverse DC voltage
Voltage class
12
600
720
480
Unit
mA
V
µs
µC
µs
µC
°C/W
°C/W
Limits
Parameter
Repetitive reverse current
Forward voltage
Reverse recovery time
Reverse recovery charge
Reverse recovery time
Reverse recovery charge
Thermal resistance
Contact thermal resistance
Min.
—
—
—
—
—
—
—
—
Typ.
—
1.7
—
—
—
—
—
—
Max.
20
1.8
0.2
1.5
0.4
4.5
0.6
0.3
ELECTRICAL CHARACTERISTICS
Unit
A
A
A2s
°C
°C
V
N·m
kg·cm
N·m
kg·cm
g
Conditions
Resistive load, TC=93°C
One half cycle at 60Hz, peak value
Value for one cycle of surge current
Charged part to case
Main terminal screw M4
Mounting screw M5
Typical value
Ratings
50
1000
4.2×103
–40~150
–40~125
2500
0.98~1.47
10~15
1.47~1.96
15~20
90
Symbol
IDC
IFSM
I2t
Tj
Tstg
Viso
—
—
Parameter
DC current
Surge (non-repetitive) forward current
I2t for fusing
Junction temperature
Storage temperature
Isolution voltage
Mounting torque
Weight
*1 6 class: VR=150V 12 class: VR=300V
Feb.1999
MITSUBISHI FAST RECOVERY DIODE MODULES
RM50DA/CA/C1A-XXS
MEDIUM POWER, HIGH FREQUENCY USE
INSULATED TYPE
PERFORMANCE CURVES
MAXIMUM FORWARD CHARACTERISTIC
FORWARD CURRENT (A)
FORWARD VOLTAGE (V)
REVERSE RECOVERY CHARACTERISTICS
VS. FORWARD CURRENT (TYPICAL)
FORWARD CURRENT (A)
–di/dt (A/µs)
Irr (A)
MAXIMUM TRANSIENT THERMAL IMPEDANCE
(JUNCTION TO CASE)
TIME (s)
Zth (j–c) (°C/W)
ALLOWABLE SURGE (NON-REPETITIVE)
FORWARD CURRENT
SURGE (NON-REPETITIVE)
FORWARD CURRENT (A)
trr (µs), Qrr (µC)
REVERSE RECOVERY CHARACTERISTICS
VS. –di/dt (TYPICAL)
Irr (A)
trr (µs), Qrr (µC)
CONDUCTION TIME
(CYCLES AT 60Hz)
–1
10
0
10
1
10
2
10
0
10
1
10
–1
10
–2
10
3
10
2
10
1
10
0
10
3
10
2
10
1
10
0
10
–1
10
0
10
1
10
2
10
0
10
1
10
–1
10
–2
10
–3
10 –2
10 –1
10
0
10 1
10
3
10
2
10
1
10
0
10
4.23.4
1.80.2
7
5
3
2
7
5
3
2
7
5
3
2
2.6
Tj=25°C
1.0 753275
32
7532
1.0
0.8
0.6
0.4
0.2
0
444
23457
32
54
10
75432
0
200
400
600
800
1000
7050403020110
100 753275327532
7
5
3
2
7
5
3
2
7
5
3
2
444
Irr
trr
Qrr
Tj=25°C
Tj=150°C
VR=150/300V
di/dt=–100A/µs
753275327532
7
5
3
2
7
5
3
2
7
5
3
2
444
Tj=25°C
Tj=150°C
VR=150/300V
IF=50A
Irr
trr
Qrr
