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PDF HFB50HC20C Data sheet ( Hoja de datos )
| Número de pieza | HFB50HC20C | |
| Descripción | Soft Recovery Diode | |
| Fabricantes | International Rectifier | |
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FRED
Features
• Reduced RFI and EMI
• Reduced Snubbing
• Extensive Characterization of Recovery Parameters
• Hermetic
PD - 94238A
HFB50HC20C
Ultrafast, Soft Recovery Diode
VR = 200V
IF(AV) = 50A
trr = 35ns
Description
These Ultrafast, soft recovery 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 ( Per Leg )
Continuous Forward Current, Q TC =107 °C
Single Pulse Forward Current, R TC = 25°C ( Per Leg )
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
50
300
130
-55 to +150
Units
V
A
W
°C
CASE STYLE
(ISOLATED BASE)
TO-258AA
ANODE COMMON ANODE
CATHODE
www.irf.com
1
08/02/01
1 page  
HFB50HC20C
REVERSE RECOVERY CIRCUIT
VR = 200V
L = 70µH
0.01 Ω
D .U .T.
dif/dt
ADJUST G
D
IRFP250
S
Fig. 9 - Reverse Recovery Parameter Test Circuit
IF
0
3
trr
ta
tb
2
I RRM
Q rr 4
0.5 I RRM
di(rec)M /dt
5
0.75 IRRM
1 dif /dt
1. dif/dt - Rate of change of current
through zero crossing
2. IRRM - Peak reverse recovery current
3. trr - Reverse recovery time measured
from zero crossing point of negative
going IF to point where a line passing
through 0.75 IRRM and 0.50 IRRM
extrapolated to zero current
4. Qrr - Area under curve defined by trr
and IRRM
trr X IRRM
Qrr =
2
5. di(rec)M/dt - Peak rate of change of
current during tb portion of trr
Fig. 10 - Reverse Recovery Waveform and Definitions
Case Outline and Dimensions — TO-258AA
4.19 [.165]
3.93 [.155]
A
17.65 [.695]
17.39 [.685]
6.85 [.270]
6.09 [.240]
0.12 [.005]
1.14 [.045]
0.88 [.035]
37.00 [1.457]
20.40 [1.197]
17.95 [.707]
17.70 [.697]
1 23
19.05 [.750]
12.70 [.500]
21.20 [.835]
20.70 [.815]
C
13.97 [.550]
13.46 [.530]
5.08 [.200]
2X
3X
1.65 [.065]
1.39 [.055]
0.50 [.020] C A
0.25 [.010] C
B
NOT ES :
1. DIMENS IONING & TOLERANCING PER AS ME Y14.5M-1994.
2. ALL DIMENS IONS ARE S HOWN IN MILLIMET ERS [INCHES ].
3. CONTROLLING DIMENS ION: INCH.
4. CONFORMS TO JEDEC OUTLINE T O-258AA.
PIN AS S IGNMENTS
1 = ANODE 1
2 = COMMON CATHODE
3 = ANODE 2
B
3.55 [.140]
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105
TAC Fax: (310) 252-7903
Visit us at www.irf.com for sales contact information.
Data and specifications subject to change without notice. 08/01
www.irf.com
5
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| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet HFB50HC20C.PDF ] | |
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