C&H Technology CM4308A2 User Manual
Page 3
S-10
Powerex, Inc., 200 Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272
CM4308A2
Dual SCR POW-R-BLOK™ Modules
25 Amperes/800 Volts
Absolute Maximum Ratings
Characteristics
Symbol
CM4308A2
Units
Peak Forward Blocking Voltage
VDRM
800
Volts
Transient Peak Forward Blocking Voltage (Non-Repetitive), t < 5ms
VDSM
960
Volts
DC Forward Blocking Voltage
VD(DC)
640
Volts
Peak Reverse Blocking Voltage
VRRM
800
Volts
Transient Peak Reverse Blocking Voltage (Non-Repetitive), t < 5ms
VRSM
960
Volts
DC Reverse Blocking Voltage
VR(DC)
640
Volts
RMS On-State Current
IT(RMS)
39
Amperes
Average On-State Current, TC = 93°C
IT(AV)
25
Amperes
Peak One-Cycle Surge (Non-Repetitive) On-State Current (60Hz)
ITSM
490
Amperes
Peak One-Cycle Surge (Non-Repetitive) On-State Current (50Hz)
ITSM
445
Amperes
I2t (for Fusing), 8.3 milliseconds
I2t
1000
A2sec
Critical Rate-of-Rise of On-State Current*
di/dt
100
Amperes/
s
Peak Gate Power Dissipation
PGM
5.0
Watts
Average Gate Power Dissipation
PG(AV)
0.5
Watts
Peak Forward Gate Voltage
VGFM
10
Volts
Peak Reverse Gate Voltage
VGRM
5.0
Volts
Peak Forward Gate Current
IGFM
2.0
Amperes
Storage Temperature
TSTG
-40 to 125
°C
Operating Temperature
Tj
-40 to 125
°C
Maximum Mounting Torque M6 Mounting Screw
—
26
in.-lb.
Maximum Mounting Torque M5 Terminal Screw
—
17
in.-lb.
Module Weight (Typical)
—
160
Grams
V Isolation
VRMS
2000
Volts
*Tj = 125°C, IG = 0.5A, VD = 1/2 VDRM
Electrical and Thermal Characteristics,
Tj = 25°C unless otherwise specified
Characteristics
Symbol
Test Conditions
CM4308A2
Units
Blocking State Maximums
Forward Leakage Current, Peak
IDRM
Tj = 125°C, VDRM = Rated
4.0
mA
Reverse Leakage Current, Peak
IRRM
Tj = 125°C, VRRM = Rated
4.0
mA
Conducting State Maximums
Peak On-State Voltage
VTM
ITM = 75A
1.5
Volts
Switching Minimums
Critical Rate-of-Rise of Off-State Voltage
dv/dt
Tj = 125°C, VD = 2/3 VDRM
500
Volts/
s
Thermal Maximums
Thermal Resistance, Junction-to-Case
R
(J-C)
Per Module
0.8
°C/Watt
Thermal Resistance, Case-to-Sink (Lubricated)
R
(C-S)
Per Module
0.2
°C/Watt
Gate Parameters Maximums
Gate Current-to-Trigger
IGT
VD = 6V, RL = 2
Ω
50
mA
Gate Voltage-to-Trigger
VGT
VD = 6V, RL = 2
Ω
3.0
Volts
Non-Triggering Gate Voltage
VGDM
Tj = 125°C, VD = 1/2 VDRM
0.25
Volts