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PD - 40009 rev. A 01/99
HEXFREDTM
Features
Reduced RFI and EMI
Reduced Snubbing
Extensive Characterization of
Recovery Parameters
HFA140MD60C
Ultrafast, Soft Recovery Diode
LUG
LUG
LUG
TERMINAL TERMINAL TERMINAL
ANODE 1 CATHODE ANODE 2
Isolated Base
VR = 600V
VF(typ.) = 1.2V
IF(AV) = 140A
Qrr (typ.) = 360nC
IRRM(typ.) = 8.0A
trr(typ.) = 35ns
di(rec)M/dt (typ.) = 230A/µs
Description
HEXFREDTM diodes are optimized to reduce losses and EMI/RFI in high frequency
power conditioning systems. An extensive characterization of the recovery
behavior for different values of current, temperature and di/dt simplifies the
calculations of losses in the operating conditions. The softness of the recovery
eliminates the need for a snubber in most applications. These devices are ideally
suited for power converters, motors drives and other applications where
switching losses are significant portion of the total losses.
Absolute Maximum Ratings (per Leg)
TO-244AB
(ISOLATED)
VR
IF @ TC = 25°C
IF @ TC = 100°C
IFSM
PD @ TC = 25°C
PD @ TC = 100°C
TJ
TSTG
Parameter
Cathode-to-Anode Voltage
Continuous Forward Current
Continuous Forward Current
Single Pulse Forward Current
Maximum Power Dissipation
Maximum Power Dissipation
Operating Junction and
Storage Temperature Range
Max.
600
99
48
600
227
91
-55 to +150
Units
V
A
W
C
Thermal - Mechanical Characteristics
Parameter
Min. Typ. Max. Units
RthJC
RthCS
Junction-to-Case, Single Leg Conducting
Junction-to-Case, Both Legs Conducting
Case-to-Sink, Flat , Greased Surface
0.10
0.55
0.275
°C/W
K/W
Wt Weight
79 (2.8)
g (oz)
Mounting Torque
Terminal Torque
30 (3.4)
30 (3.4)
40 (4.6) lbfin
40 (4.6) (Nm)
Vertical Pull
2 inch Lever Pull
80 lbfin
35
Note: Limited by junction temperature
125°C
Mounting surface must be smooth, flat, free or burrs or other
protrusions. Apply a thin even film or thermal grease to mounting
surface. Gradually tighten each mounting bolt in 5-10 lbfin steps
until desired or maximum torque limits are reached. Module
1
