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PD - 94238A
HFB50HC20C
FRED
Features
* * * * Reduced RFI and EMI Reduced Snubbing Extensive Characterization of Recovery Parameters Hermetic
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
Parameter
VR IF(AV) IFSM PD @ TC = 25C TJ, TSTG Cathode to Anode Voltage ( Per Leg ) Continuous Forward Current, Q TC =107 C Single Pulse Forward Current, R TC = 25C ( Per Leg ) Maximum Power Dissipation Operating Junction and Storage Temperature Range
Max.
200 50 300 130 -55 to +150
Units
V A W C
Note: Q D.C. = 50% rect. wave R 1/2 sine wave, 60 Hz , P.W. = 8.33 ms
CASE STYLE
(ISOLATED BASE)
ANODE
TO-258AA
COMMON CATHODE
ANODE
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08/02/01
HFB50HC20C
Electrical Characteristics ( Per Leg )@ TJ = 25C (unless otherwise specified)
Parameter
VBR VF Cathode Anode Breakdown Voltage Forward Voltage See Fig. 1
Min. Typ. Max. Units
200 -- -- -- -- -- -- -- -- -- -- -- -- 8.7 -- 1.36 1.20 1.49 0.99 1.0 100 200 -- A A pF nH V V
Test Conditions
IR = 100A IF = 25A, TJ = -55C IF = 25A, TJ = 25C IF = 50A, TJ = 25C IF = 25A, TJ = 125C VR = VR Rated VR = VR Rated, TJ = 125C VR = 200V Measured from anode lead to cathode lead , 6mm ( 0.025 in) from package See Fig. 2
IR
Reverse Leakage Current See Fig. 2 Junction Capacitance, See Fig. 3 Series Inductance
-- -- -- --
CT LS
Dynamic Recovery Characteristics ( Per Leg ) @ TJ = 25C (unless otherwise specified)
Parameter
t rr trr1 trr2 IRRM1 IRRM2 Q rr1 Q rr2 di(rec)M/dt1 di(rec)M/dt2 Reverse Recovery Time Reverse Recovery Time Peak Recovery Current Reverse Recovery Charge Peak Rate of Fall of Recovery Current During tb
Min. Typ. Max. Units
-- -- -- -- -- -- -- -- -- -- 46 84 5.7 12.5 150 595 530 1130 35 -- -- -- -- -- -- -- -- ns ns
Test Conditions
IF = 0.5A,VR = 30V, dif/dt = 300A/s TJ = 25C See Fig. TJ = 125C 5 IF = 50A TJ = 25C See Fig. A A TJ = 125C 6 VR = 160V TJ = 25C See Fig. nC TJ = 125C 7 dif/dt = 200A/s nC TJ = 25C See Fig. A/s 8 A/s TJ = 125C
Thermal - Mechanical Characteristics
Parameter
RthJC Wt Junction-to-Case, Single Leg Conducting Weight
Typ.
-- 10.9
Max.
0.96 --
Units
C/W g
2
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HFB50HC20C
100
100
125C
10
100C 75C
Reverse Current - I R (A)
1
0.1
25C
0.01
Instantaneous Forward Current - I F (A)
0.001
0.0001 0 40 80 120 160 200
10
Reverse Voltage - V R (V)
Fig. 2 - Typical Reverse Current Vs. Reverse Voltage ( Per Leg )
1000
Tj = 25C
Junction Capacitance - C T (pF)
Tj = 125C
Tj = -55C
T J = 25C
1 0.0 0.4 0.8 1.2 1.6 2.0
100 0 40 80 120 160 200
Forward Voltage Drop - V F (V)
Reverse Voltage - VR (V)
Fig. 1 - Maximum Forward Voltage Drop Vs. Instantaneous Forward Current ( Per Leg )
1 D = 0.50
Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage ( Per Leg )
Thermal Response (Z thJC )
0.20 0.1 0.10 0.05 0.02 0.01
0.01
SINGLE PULSE (THERMAL RESPONSE)
0.001 0.00001
Notes: 1. Duty factor D = t 1 / t 2 2. Peak T J = P DM x Z thJC + TC 0.1 1 0.0001 0.001 0.01
P DM t1 t2 10
t1 , Rectangular Pulse Duration (sec)
Fig. 4 - Maximum Thermal Impedance Zthjc Characteristics ( Per Leg )
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HFB50HC20C
120 VR = 160V 100 TJ = 125C TJ = 25C 100
IF = 100A IF = 50A IF = 25A
trr - ( ns )
80
IF = 25A
60
IRRM - ( A )
IF = 50A IF = 100A
10
VR = 160V 40 TJ = 125C TJ = 25C 1 100 1000 100 1000
20
dif / dt - ( A / s )
dif / dt - ( A / s )
Fig. 5 - Typical Reverse Recovery Vs. dif/dt (Per Leg)
Fig. 6 - Typical Recovery Current Vs. dif/dt (Per Leg)
10000
100000
IF = 100A IF = 50A
IF = 25A
di ( rec )M / dt - ( A / s )
1000
IF = 25A
IF = 50A IF = 100A
10000
Qrr - ( nC )
100 VR = 160V TJ = 125C TJ = 25C 10 100 1000
1000 VR = 160V TJ = 125C TJ = 25C 100 100 1000
dif / dt - ( A / s )
dif / dt - ( A / s )
Fig. 7 - Typical Stored Charge Vs. dif/dt (Per Leg)
Fig. 8 - Typical di(rec)M/dt Vs. dif/dt (Per Leg)
4
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HFB50HC20C
3
IF
t rr ta tb
4
R E V E R S E R E C O V E R Y C IR C U IT
V R = 2 00 V
0 Q rr
2
I RRM
0.5 I R R M di(rec)M /dt 0.75 I R R M
5
0.01 L = 70H D .U .T. D d if/d t A D JU S T G IR F P 2 50 S
1
di f /dt
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
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
Fig. 9 - Reverse Recovery Parameter Test Circuit
Fig. 10 - Reverse Recovery Waveform and Definitions
Case Outline and Dimensions -- TO-258AA
A 4.19 [.165] 3.93 [.155] 17.65 [.695] 17.39 [.685] 6.85 [.270] 6.09 [.240] 0.12 [.005] 1.14 [.045] 0.88 [.035]
17.95 [.707] 17.70 [.697] 37.00 [1.457] 20.40 [1.197] 19.05 [.750] 12.70 [.500] 1 2 3
21.20 [.835] 20.70 [.815]
13.97 [.550] 13.46 [.530]
C
B
5.08 [.200] 2X 3X
1.65 [.065] 1.39 [.055] CA C B
3.55 [.140]
0.50 [.020] 0.25 [.010]
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
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
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