75HQ... Series
2
Bulletin PD-2.246 rev. C 11/02
www.irf.com
I
F(AV)
Max. Average Forward Current 75 A 50% duty cycle @ T
C
= 117 °C, rectangular wave form
* See Fig. 5
I
FSM
Max. Peak One Cycle Non-Repetitive 9000 5µs Sine or 3µs Rect. pulse
Surge Current * See Fig. 7 1180 10ms Sine or 6ms Rect. pulse
E
AS
Non-Repetitive Avalanche Energy 101 mJ T
J
= 25 °C, I
AS
= 15 Amps, L = 0.9 mH
I
AR
Repetitive Avalanche Current 15 A Current decaying linearly to zero in 1 µsec
Frequency limited by T
J
max. V
A
= 1.5 x V
R
typical
Part number 75HQ030 75HQ035 75HQ040 75HQ045
V
R
Max. DC Reverse Voltage (V)
V
RWM
Max. Working Peak Reverse Voltage (V)
Parameters 75HQ Units Conditions
30 35 40 45
Voltage Ratings
Absolute Maximum Ratings
V
FM
Max. Forward Voltage Drop (1) 0.71 V @ 75A
* See Fig. 1 0.88 V @ 150A
0.63 V @ 75A
0.78 V @ 150A
I
RM
Max. Reverse Leakage Current (1) 5 mA T
J
= 25 °C
* See Fig. 2 45 mA T
J
= 125 °C
C
T
Max. Junction Capacitance 2600 pF V
R
= 5V
DC
, (test signal range 100Khz to 1Mhz) 25 °C
L
S
Typical Series Inductance 7.5 nH Measured from top of terminal to mounting plane
dv/dt Max. Voltage Rate of Change 10000 V/ µs
(Rated V
R
)
T
J
= 25 °C
T
J
= 125 °C
V
R
= rated V
R
Electrical Specifications
Parameters 75HQ Units Conditions
(1) Pulse Width < 300µs, Duty Cycle < 2%
T
J
Max. Junction Temperature Range -65 to 175 °C
T
stg
Max. Storage Temperature Range -65 to 175 °C
R
thJC
Max. Thermal Resistance Junction 0.83 °C/W DC operation * See Fig. 4
to Case
R
thCS
Typical Thermal Resistance, Case to 0.25 °C/W Mounting surface , smooth and greased
Heatsink
wt Approximate Weight 15 (0.53) g (oz.)
T Mounting Torque Min. 23 (20) Non-lubricated threads
Max. 46 (40)
Case Style DO-203AB (DO-5) JEDEC
Kg-cm
(Ibf-in)
Thermal-Mechanical Specifications
Parameters 75HQ Units Conditions
A
Following any rated
load condition and
with rated V
RRM
applied
