401CMQ... Series
2
Bulletin PD-20735 rev. B 08/01
www.irf.com
VFM Max. Forward Voltage Drop 0.67 V @ 200A
(Per Leg) * See Fig. 1 (1) 0.78 V @ 400A
0.56 V @ 200A
0.68 V @ 400A
IRM Max. Reverse Leakage Current 20 mA TJ = 25 °C
(Per Leg) * See Fig. 2 (1) 180 mA TJ = 125 °C
CTMax. Junction Capacitance (Per Leg) 10,300 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25°C
LSTypical Series Inductance (Per Leg) 5.0 nH From top of terminal hole to mounting plane
dv/dt Max. Voltage Rate of Change 10000 V/ µs (Rated VR)
VRMS Insulation Voltage 1000 V
IF(AV) Max. Average Forward (Per Leg) 200 A 50% duty cycle @ TC = 116 °C, rectangular wave form
Current * See Fig. 5 (Per Device) 400
IFSM Max. Peak One Cycle Non-Repetitive 25,000 5µs Sine or 3µs Rect. pulse
Surge Current (Per Leg) * See Fig. 7 3450 10ms Sine or 6ms Rect. pulse
EAS Non-Repetitive Avalanche Energy 270 mJ T J = 25 °C, IAS
= 40 Amps, L = 0.34 mH
(Per Leg)
IAR Repetitive Avalanche Current 40 A Current decaying linearly to zero in 1 µsec
(Per Leg) Frequency limited by TJ max. VA = 1.5 x VR typical
Part number 401CMQ035 401CMQ040 401CMQ045
VRMax. DC Reverse Voltage (V)
VRWM Max. Working Peak Reverse Voltage (V)
Voltage Ratings
Absolute Maximum Ratings
Following any rated
load condition and with
rated VRRM
applied
Parameters 401CMQ Units Conditions
A
(1) Pulse Width < 300µs, Duty Cycle <2%
TJMax. Junction Temperature Range -55 to 175 °C
Tstg Max. Storage Temperature Range -55 to 175 °C
RthJC Max. Thermal Resistance Junction 0.4 °C/W DC operation * See Fig. 4
to Case (Per Leg)
RthJC Max. Thermal Resistance Junction 0.2 °C/W DC operation
to Case (Per Package)
RthCS Typical Thermal Resistance, Case 0.1 °C/W Mounting surface , smooth and greased
to Heatsink
wt Approximate Weight 79 (2.80) g (oz.)
T Mounting Torque Base Min. 24 (20)
Max. 35 (30)
Mounting Torque Center Hole Typ. 13.5 (12)
Terminal Torque Min. 35 (30)
Max. 46 (40)
Case Style TO - 244AB isolated Modified JEDEC
Thermal-Mechanical Specifications
Parameters 401CMQ Units Conditions
TJ = 25 °C
VR = rated VR
Kg-cm
(Ibf-in)
Electrical Specifications
35 40 45
Parameters 401CMQ Units Conditions
TJ = 125 °C