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HFB35HB20 Datasheet, PDF (1/5 Pages) International Rectifier – Ultrafast, Soft Recovery Diode
HEXFREDTM
Features
• Reduced RFI and EMI
• Reduced Snubbing
• Extensive Characterization of Recovery Parameters
• Hermetic
PD - 94100
HFB35HB20
Ultrafast, Soft Recovery Diode
VR = 200V
IF(AV) = 35A
trr = 35ns
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
VR
IF(AV)
IFSM
PD @ TC = 25°C
TJ, TSTG
Parameter
Cathode to Anode Voltage
Continuous Forward Current, Q TC = 80°C
Single Pulse Forward Current, R TC = 25°C
Maximum Power Dissipation
Operating Junction and Storage Temperature Range
Note: Q D.C. = 50% rect. wave
R 1/2 sine wave, 60 Hz , P.W. = 8.33 ms
Max.
200
35
150
125
-55 to +150
Units
V
A
W
°C
CASE STYLE
(ISOLATED BASE)
TO-254AA
CATHODE
ANODE
www.irf.com
1
03/23/01