D-46, Absolute maximum ratings – C&H Technology RM300CA-9W User Manual
Page 3
D-46
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
RM300CA-9W
Fast Recovery Welder Diode Module
300 Amperes/450 Volts
Absolute Maximum Ratings
Characteristics
Symbol
RM300CA-9W
Units
Peak Reverse Blocking Voltage
VRRM
450
Volts
Transient Peak Reverse Blocking Voltage (Non-Repetitive), t < 5ms
VRSM
540
Volts
DC Reverse Blocking Voltage
VR(DC)
360
Volts
DC Current, TC = 114°C
IF(DC)
300
Amperes
Peak Half-Cycle Surge (Non-Repetitive) On-State Current (60Hz)
IFSM
6000
Amperes
I2t (for Fusing), 8.3 milliseconds
I2t
37500
A2sec
Junction Temperature
Tj
-40 to 150
°C
Storage Temperature
TSTG
-40 to 125
°C
Maximum Mounting Torque M8 Mounting Screw
—
110
kg.-cm.
Maximum Mounting Torque M5 Terminal Screw
—
20
kg.-cm.
Module Weight (Typical)
—
460
Grams
V Isolation
VRMS
2500
Volts
Electrical and Thermal Characteristics,
Tj = 25°C unless otherwise specified
Characteristics
Symbol
Test Conditions
RM300CA-9W
Units
Blocking State Maximums
Reverse Leakage Current, Peak
IRRM
Tj = 150°C, VRRM = Rated
40
mA
Conducting State Maximums
Peak On-State Voltage
VFM
IFM = 300A
1.2
Volts
Switching Minimums
Reverse Recovery Time
trr
IFM = 300A, Tj = 25°C
0.5
s
-di/dt = 600 A/
s, VR = 300V
Reverse Recovery Charge
Qrr
IFM = 300A, Tj = 25°C
50
C
-di/dt = 600 A/
s, VR = 300V
Thermal Maximums
Thermal Resistance, Junction-to-Case
R
(J-C)
Per Module
0.068
°C/Watt
Thermal Resistance, Case-to-Sink (Lubricated)
R
(C-S)
Per Module
0.08
°C/Watt
di/dt, (AMPERES/µs)
REVERSE RECOVERY VS di/dt
CHARACTERISTICS (TYPICAL)
10
1
10
2
10
4
REVERSE RECOVERY, I
rr
, (AMPERES), Q
rr
, (µC)
10
0
10
2
10
3
REVERSE RECOVERY TIMES, t
rr,
(µs)
10
-1
10
1
10
2
t
rr
V
R
= 300V
di/dt = 600A/µs
10
1
10
3
10
0
I
rr
T
j
= 25
o
C
T
j
= 150
o
C
Q
rr
FORWARD VOLTAGE DROP, V
F
, (VOLTS)
FORWARD CURRENT, I
F
, (AMPERES)
FORWARD VOLTAGE DROP
CHARACTERISTICS (TYPICAL)
0.8
1.4
0.4
10
2
10
3
10
1
0.6
1.0
1.2
T
j
= 25
o
C
T
j
= 150
o
C
REVERSE RECOVERY VS FORWARD CURRENT
CHARACTERISTICS (TYPICAL)
10
1
10
2
10
4
REVERSE RECOVERY, I
rr
, (AMPERES), Q
rr
, (µC)
10
0
10
2
10
3
10
-1
10
1
10
2
Q
rr
t
rr
V
R
= 300V
-di/dt = 600A/µs
10
1
10
3
10
0
I
rr
FORWARD CURRENT, I
F
(AMPERES)
T
j
= 25
o
C
T
j
= 150
o
C