VS-HFA08TB120SPbF
www.vishay.com
Vishay Semiconductors
HEXFRED
®
,
Ultrafast Soft Recovery Diode, 8 A
FEATURES
Base
cathode
2
D
2
PAK
1
N/C
3
Anode
Ultrafast recovery
Ultrasoft recovery
Very low I
RRM
Very low Q
rr
Specified at operating conditions
Meets MSL level 1, per J-STD-020, LF maximum
peak of 260 °C
• Halogen-free according to IEC 61249-2-21
definition
• Compliant to RoHS Directive 2002/95/EC
• AEC-Q101 qualified
•
•
•
•
•
•
BENEFITS
PRODUCT SUMMARY
Package
I
F(AV)
V
R
V
F
at I
F
t
rr
(typ.)
T
J
max.
Diode variation
TO-263AB (D
2
PAK)
8A
1200 V
3.3 V
28 ns
150 °C
Single die
•
•
•
•
•
Reduced RFI and EMI
Reduced power loss in diode and switching transistor
Higher frequency operation
Reduced snubbing
Reduced parts count
DESCRIPTION
VS-HFA08TB120S is a state of the art ultrafast recovery
diode. Employing the latest in epitaxial construction and
advanced processing techniques it features a superb
combination of characteristics which result in performance
which is unsurpassed by any rectifier previously available.
With basic ratings of 1200 V and 8 A continuous current, the
VS-HFA08TB120S is especially well suited for use as the
companion diode for IGBTs and MOSFETs. In addition to
ultrafast recovery time, the HEXFRED
®
product line features
extremely low values of peak recovery current (I
RRM
) and
does not exhibit any tendency to “snap-off” during the t
b
portion of recovery. The HEXFRED features combine to offer
designers a rectifier with lower noise and significantly lower
switching losses in both the diode and the switching
transistor. These HEXFRED advantages can help to
significantly reduce snubbing, component count and
heatsink sizes. The HEXFRED VS-HFA08TB120S is ideally
suited for applications in power supplies and power
conversion systems (such as inverters), motor drives, and
many other similar applications where high speed, high
efficiency is needed.
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Cathode to anode voltage
Maximum continuous forward current
Single pulse forward current
Maximum repetitive forward current
Maximum power dissipation
Operating junction and storage temperature range
SYMBOL
V
R
I
F
I
FSM
I
FRM
P
D
T
J
, T
Stg
T
C
= 25 °C
T
C
= 100 °C
T
C
= 100 °C
TEST CONDITIONS
VALUES
1200
8
130
32
73.5
29
- 55 to + 150
W
°C
A
UNITS
V
Revision: 10-Jun-11
Document Number: 94046
1
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VS-HFA08TB120SPbF
www.vishay.com
Vishay Semiconductors
ELECTRICAL SPECIFICATIONS
(T
J
= 25 °C unless otherwise specified)
PARAMETER
Cathode to anode
breakdown voltage
SYMBOL
V
BR
I
R
= 100 μA
I
F
= 8.0 A
Maximum forward voltage
V
FM
I
F
= 16 A
I
F
= 8.0 A, T
J
= 125 °C
Maximum reverse
leakage current
Junction capacitance
Series inductance
I
RM
C
T
L
S
V
R
= V
R
rated
T
J
= 125 °C, V
R
= 0.8 x V
R
rated
V
R
= 200 V
Measured lead to lead 5 mm from package body
TEST CONDITIONS
MIN.
1200
-
-
-
-
-
-
-
TYP.
-
2.6
3.4
2.4
0.31
135
11
8.0
MAX.
-
3.3
4.3
3.1
10
1000
20
-
μA
pF
nH
V
UNITS
DYNAMIC RECOVERY CHARACTERISTICS
(T
J
= 25 °C unless otherwise specified)
PARAMETER
SYMBOL
t
rr
Reverse recovery time
t
rr1
t
rr2
Peak recovery current
I
RRM1
I
RRM2
Q
rr1
Q
rr2
dI
(rec)M
/dt1
dI
(rec)M
/dt2
TEST CONDITIONS
I
F
= 1.0 A, dI
F
/dt = 200 A/μs, V
R
= 30 V
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
= 8.0 A
dI
F
/dt = 200 A/μs
V
R
= 200 V
MIN.
-
-
-
-
-
-
-
-
-
TYP.
28
63
106
4.5
6.2
140
335
133
85
MAX.
-
95
160
8.0
11
380
880
-
-
A
ns
UNITS
Reverse recovery charge
Peak rate of fall of
recovery current during t
b
nC
A/μs
THERMAL - MECHANICAL SPECIFICATIONS
PARAMETER
Lead temperature
Thermal resistance,
junction to case
Thermal resistance,
junction to ambient
Weight
Marking device
Case style D
2
PAK
SYMBOL
T
lead
R
thJC
R
thJA
Typical socket mount
TEST CONDITIONS
0.063" from case (1.6 mm) for 10 s
MIN.
-
-
-
-
-
TYP.
-
-
-
2.0
0.07
MAX.
300
1.7
K/W
40
-
-
g
oz.
UNITS
°C
HFA08TB120S
Revision: 10-Jun-11
Document Number: 94046
2
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VS-HFA08TB120SPbF
www.vishay.com
I
F
- Instantaneous Forward Current (A)
Vishay Semiconductors
1000
T
J
= 150 °C
100
I
R
- Reverse Current (μA)
100
T
J
= 125 °C
T
J
= 100 °C
10
10
1
T
J
= 150 °C
T
J
= 125 °C
T
J
= 25 °C
1
0
2
4
6
8
10
0.1
T
J
= 25 °C
0.01
0
94046_02
300
600
900
1200
94046_01
V
FM
- Forward Voltage Drop (V)
V
R
- Reverse Voltage (V)
Fig. 1 - Maximum Forward Voltage Drop Characteristics
Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage
100
C
T
- Junction Capacitance (pF)
T
J
= 25 °C
10
1
1
94046_03
10
100
1000
10 000
V
R
- Reverse Voltage (V)
Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage
10
Z
thJC
- Thermal Response
1
P
DM
0.1
Single
pulse
(thermal response)
0.01
0.00001
D = 0.50
D = 0.20
D = 0.10
D = 0.05
D = 0.02
D = 0.01
t
1
t
2
Notes:
1. Duty factor D = t
1
/t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.01
0.1
1
0.0001
0.001
94046_04
t
1
- Rectangular Pulse Duration (s)
Fig. 4 - Maximum Thermal Impedance Z
thJC
Characteristics
Revision: 10-Jun-11
Document Number: 94046
3
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VS-HFA08TB120SPbF
www.vishay.com
160
140
120
V
R
= 160 V
T
J
= 125 °C
T
J
= 25 °C
1200
1000
800
V
R
= 160 V
T
J
= 125 °C
T
J
= 25 °C
Vishay Semiconductors
I
F
= 8 A
I
F
= 4 A
t
rr
(ns)
100
80
60
40
20
100
Q
rr
(nC)
600
400
200
0
100
I
F
= 8 A
I
F
= 4 A
1000
1000
94046_05
dI
F
/dt (A/μs)
Fig. 5 - Typical Reverse Recovery Time vs. dI
F
/dt
94046_07
dI
F
/dt (A/μs)
Fig. 7 - Typical Stored Charge vs. dI
F
/dt (Per Leg)
20
V
R
= 160 V
T
J
= 125 °C
T
J
= 25 °C
1000
I
F
= 8 A
I
F
= 4 A
16
I
rr
(A)
12
I
F
= 8 A
I
F
= 4 A
dI
(rec)M
/dt (A/μs)
100
8
4
V
R
= 160 V
T
J
= 125 °C
T
J
= 25 °C
1000
10
100
94046_08
0
100
94046_06
1000
dI
F
/dt (A/µs)
Fig. 6 - Typical Recovery Current vs. dI
F
/dt
dI
F
/dt (A/μs)
Fig. 8 - Typical dI
(rec)M
/dt vs. dI
F
/dt
Revision: 10-Jun-11
Document Number: 94046
4
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
VS-HFA08TB120SPbF
www.vishay.com
Vishay Semiconductors
V
R
= 200 V
0.01
Ω
L = 70 μH
D.U.T.
dI
F
/dt
adjust
D
G
IRFP250
S
Fig. 9 - Reverse Recovery Parameter Test Circuit
(3)
I
F
0
t
rr
t
a
t
b
Q
rr
(2)
(4)
I
RRM
0.5 I
RRM
dI
(rec)M
/dt
(5)
0.75 I
RRM
(1)
dI
F
/dt
(1) dI
F
/dt - rate of change of current
through zero crossing
(2) I
RRM
- peak reverse recovery current
(3) t
rr
- reverse recovery time measured
from zero crossing point of negative
going I
F
to point where a line passing
through 0.75 I
RRM
and 0.50 I
RRM
extrapolated to zero current.
(4)
Q
rr
- area under curve defined by t
rr
and I
RRM
Q
rr
=
t
rr
x I
RRM
2
(5) dI
(rec)M
/dt - peak rate of change of
current during t
b
portion of t
rr
Fig. 10 - Reverse Recovery Waveform and Definitions
Revision: 10-Jun-11
Document Number: 94046
5
For technical questions within your region:
DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
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