PD-94100C
HFB35HB20
HEXFRED
ULTRAFAST, SOFT RECOVERY DIODE
Features
V
R
= 200V
I
F(AV)
= 35A
t
rr
= 35ns
Reduced RFI and EMI
Reduced Snubbing
Extensive Characterization of Recovery Parameters
Hermetically Sealed
Ceramic Eyelets
Description
These 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
Characteristics
V
R
I
F (AV)
I
FSM
P
D
@ T
C
= 25°C
T
J
, T
STG
Parameter
Cathode to Anode Voltage
Continuous Forward Current, T
C
= 80°C
Single Pulse Forward Current , T
C
= 25°C
Maximum Power Dissipation
Operating Junction and Storage Temperature Range
Max.
200
35
150
125
-55 to 150
Units
V
A
A
W
°C
Notes:
D.C. = 50% rectangle wave
1/2 sine wave, 60Hz, Pulse Width = 8.33ms
CASE STYLE
PIN ASSIGNMENTS
TO-254AA
1
International Rectifier HiRel Products, Inc.
2019-08-02
HFB35HB20
Electrical Characteristics @ T
J
= 25°C (unless otherwise specified)
Symbol
V
BR
Parameter
Cathode Anode Breakdown Voltage
Min. Typ. Max. Units
200
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
7.8
–––
1.25
1.15
1.41
1.92
1.01
10
1.0
–––
–––
200
–––
µA
mA
pF
nH
V
V
Test Conditions
I
R
= 100µA
I
F
= 20A, T
J
= -55°C
I
F
= 20A, T
J
= 25°C
I
F
= 35A, T
J
= 25°C
I
F
= 70A, T
J
= 25°C
I
F
= 20A, T
J
= 125°C
V
R
½
V
R
Rated
V
R
½
V
R
Rated, T
J
= 125°C
V
R
½
200V
Measured from anode lead to Cathode
lead, 6mm (0.25 in) from package
V
FM
Max Forward Voltage See Fig. 1
–––
–––
–––
I
RM
C
T
L
S
Max Reverse Leakage Current
See Fig. 2
Junction Capacitance, See Fig. 3
Series Inductance
–––
Dynamic Recovery Characteristics @ T
J
= 25°C (unless otherwise specified)
Symbol
t
rr
t
rr1
t
rr2
I
RRM1
I
RRM2
Q
rr1
Q
rr2
Parameter
Reverse Recovery Time
Reverse Recovery Time
See Fig. 5
Peak Recovery Current
See Fig. 6
Reverse Recovery Charge
See Fig. 7
Min. Typ. Max. Units
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
45
68
3.3
7.6
76
270
236
1020
35
–––
–––
–––
–––
–––
–––
–––
–––
nC
ns
ns
Test Conditions
I
F
= 1.0A, V
R
= 30V, di
f
/dt = 200A/µs
T
J
= 25°C
T
J
= 125°C
T
J
= 25°C
T
J
= 125°C
T
J
= 25°C
T
J
= 125°C
T
J
= 25°C
T
J
= 125°C
I
F
= 35A
A
V
R
= 160V
di
f
/dt = 200A/µs
di
(rec)M
/dt1 Peak Rate of Fall of Recovery Current
di
(rec)M
/dt1 During tb - See Fig. 8
A/µs
Thermal - Mechanical Characteristics
Symbol
R
JC
Wt
Parameter
Junction-to-Case, See Fig. 4
Weight
Typ.
–––
9.3
Max.
1.0
–––
Units
°C/W
g
2
International Rectifier HiRel Products, Inc.
2019-08-02
HFB35HB20
100
100
125°C
Reverse Current - I R (µA)
10
100°C
75°C
1
0.1
Instantaneous Forward Current - I F (A)
25°C
0.01
0.001
10
0
40
80
120
160
200
Reverse Voltage - V R (V)
Tj = 125°C
Fig. 2
Typical Values of Reverse Current
Vs. Reverse Voltage
10000
Tj = -55°C
Junction Capacitance - C T (pF)
Tj = 25°C
1000
1
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
Forward Voltage Drop - V F (V)
T J = 25°C
Fig. 1
Maximum Forward Voltage Drop Vs.
Instantaneous Forward Current
100
0
40
80
120
160
200
Reverse Voltage - V R (V)
Fig. 3
Typical Junction Capacitance
Vs. Reverse Voltage
10
Thermal Response (Z
thJC
)
1
D = 0.50
0.20
0.1
0.10
0.05
0.02
0.01
0.01
P
DM
SINGLE PULSE
(THERM RESPONSE)
AL
t
1
t
2
Notes:
1. Duty factor D = t
1
/ t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.0001
0.001
0.01
0.1
1
10
0.001
0.00001
t
1
, Rectangular Pulse Duration (sec)
Fig. 4
Max. Thermal Impedance ZthJC Characteristics
3
International Rectifier HiRel Products, Inc.
2019-08-02
HFB35HB20
90
VR = 160V
TJ = 125°C
TJ = 25°C
70
100
IF = 35A
IRRM - ( A )
IF = 70A
trr - ( ns )
IF = 17.5A
10
IF = 17.5A
50
IF = 35A
IF = 70A
VR = 160V
TJ = 125°C
TJ = 25°C
30
100
1000
1
100
1000
dif / dt - ( A / µs )
dif / dt - ( A / µs )
Fig. 5
Typical Reverse Recovery Vs di
f
/dt
1000
Fig. 6
Typical Recovery Current Vs di
f
/dt
10000
IF = 35A
di ( rec )M / dt - ( A / µs )
IF = 70A
IF = 17.5A
Qrr - ( nC )
100
IF = 70A
IF = 35A
IF = 17.5A
VR = 160V
TJ = 125°C
TJ = 25°C
1000
VR = 160V
TJ = 125°C
TJ = 25°C
100
10
100
1000
100
1000
dif / dt - ( A / µs )
dif / dt - ( A / µs )
Fig. 7
Typical Stored Charge Vs di
f
/dt
Fig. 8
Typical di
(rec)M
/dt Vs di
f
/dt
3
I
F
0
t
rr
t
a
t
b
4
V
R
= 200V
2
Q
rr
I
RRM
0.5 I
RRM
di(rec)M/dt
0.75 I
RRM
5
0.01
L = 70µH
D.U.T.
dif/dt
ADJUST
D
G
IRFP250
S
1
di
f
/dt
di
f
/dt - Rate of change of current through zero crossing.
I
RRM
- Peak reverse recovery current.
t
rr
-
Reverse recovery time measured from zero crossing point of
negative going I
F
to point where a line passing through 0.75I
RRM
and 0.5I
RRM
extrapolated to zero current.
Q
rr
- Area under curve defined by t
rr
and I
RRM
- Q
rr =
(t
rr X
I
RRM
) / 2
di
(rec)M
/
dt
-
Peak rate of change of current during t
b
position of t
rr
.
Fig. 9
Typical Reverse Recovery Parameter Test Circuit
4
Fig. 10
Reverse Recovery Waveform and Definitions
2019-08-02
International Rectifier HiRel Products, Inc.
HFB35HB20
Case Outline and Dimensions — TO-254AA
0.12 [.005]
6.60 [.260]
6.32 [.249]
1.27 [.050]
1.02 [.040]
3.78 [.149]
3.53 [.139]
A
13.84 [.545]
13.59 [.535]
17.40 [.685]
16.89 [.665]
1
2
3
20.32 [.800]
20.07 [.790]
13.84 [.545]
13.59 [.535]
B
C
14.48 [.570]
12.95 [.510]
0.84 [.033]
MAX.
3X
3.81 [.150]
2X
NOTES:
1.14 [.045]
0.89 [.035]
0.36 [.014]
B A
3.81 [.150]
1.
2.
3.
4.
DIMENSIONING & TOLERANCING PER ASME Y14.5M-1994.
ALL DIMENSIONS ARE SHOWN IN MILLIMETERS [INCHES].
CONTROLLING DIMENSION: INCH.
CONFORMS TO JEDEC OUTLINE TO-254AA.
PIN ASSIGNMENTS
1
Refer to page 1.
= DRAIN
2 = SOURCE
3 = GATE
www.infineon.com/irhirel
Infineon Technologies Service Center: USA Tel: +1 (866) 951-9519 and International Tel: +49 89 234 65555
Leominster, Massachusetts 01453, USA Tel: +1 (978) 534-5776
San Jose, California 95134, USA Tel: +1 (408) 434-5000
Data and specifications subject to change without notice.
5
International Rectifier HiRel Products, Inc.
2019-08-02
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