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Parameter
Max.
Units
V
R
Cathode-to-Anode Voltage
1200
V
I
F
@ T
C
= 100C
Continuous Forward Current
8.0
I
FSM
Single Pulse Forward Current
130
A
I
FRM
Maximum Repetitive Forward Current
32
P
D
@ T
C
= 25C
Maximum Power Dissipation
73.5
P
D
@ T
C
= 100C
Maximum Power Dissipation
29
T
J
Operating Junction and
T
STG
Storage Temperature Range
Preliminary Data Sheet PD-20603 rev. A 01/99
Ultrafast Recovery
Ultrasoft Recovery
Very Low
I
RRM
Very Low
Q
rr
Guaranteed Avalanche
Specified at Operating Conditions
Benefits
Reduced RFI and EMI
Reduced Power Loss in Diode and Switching
Transistor
Higher Frequency Operation
Reduced Snubbing
Reduced Parts Count
Features
Description
International Rectifier's HFA08TB120S is a state of the art ultra fast 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 volts and 8 amps continuous current, the HFA08TB120S
is especially well suited for use as the companion diode for IGBTs and
MOSFETs. In addition to ultra fast 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 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.
Ultrafast, Soft Recovery Diode
HEXFRED
TM
HFA08TB120S
Absolute Maximum Ratings
-55 to +150
W
C
V
R
= 1200V
V
F
(typ.)* = 2.4V
I
F(AV)
= 8.0A
Q
rr
(typ.)= 140nC
I
RRM
(typ.)
= 4.5A
t
rr
(typ.)
= 28ns
di
(rec)M
/dt (typ.)* = 85A/s
*
125C
D
2
Pak
1
1
+
3
2
BASE
(N/C)
(A)
(K)
_
HFA08TB120S
Preliminary Data Sheet PD-20603 rev. A 01/99
2
Parameter
Min.
Typ.
Max.
Units
T
lead
Lead Temperature
300
C
R
thJC
Thermal Resistance, Junction to Case
1.7
R
thJA
Thermal Resistance, Junction to Ambient
40
Wt
Weight
2.0
g
0.07
(oz)
Parameter
Min. Typ. Max. Units
Test Conditions
V
BR
Cathode Anode Breakdown Voltage
1200
V
I
R
= 100A
2.6
3.3
I
F
= 8.0A
3.4
4.3
V
I
F
= 16A
2.4
3.1
I
F
= 8.0A, T
J
= 125C
0.31 10
V
R
= V
R
Rated
135 1000
T
J
= 125C, V
R
= 0.8 x V
R
Rated
D
Rated
C
T
Junction Capacitance
11
20
pF
V
R
= 200V
Measured lead to lead 5mm from
package body
Electrical Characteristics @ T
J
= 25C (unless otherwise specified)
L
S
Series Inductance
8.0
nH
Thermal - Mechanical Characteristics
K/W
V
FM
Max Forward Voltage
A
Max Reverse Leakage Current
I
RM
Parameter
Min. Typ. Max. Units Test Conditions
t
rr
Reverse Recovery Time
28
I
F
= 1.0A, di
f
/dt = 200A/s, V
R
= 30V
t
rr1
63
95
ns
T
J
= 25C
t
rr2
106 160
T
J
= 125C
I
F
= 8.0A
I
RRM1
Peak Recovery Current
4.5
8.0
T
J
= 25C
I
RRM2
6.2
11
T
J
= 125C
V
R
= 200V
Q
rr1
Reverse Recovery Charge
140 380
T
J
= 25C
Q
rr2
335 880
T
J
= 125C
di
f
/dt = 200A/s
di
(rec)M
/dt1
Peak Rate of Fall of Recovery Current
133
T
J
= 25C
di
(rec)M
/dt2
During t
b
85
T
J
= 125C
Dynamic Recovery Characteristics @ T
J
= 25C (unless otherwise specified)
A/s
nC
A
0.063 in. from Case (1.6mm) for 10 sec
Typical Socket Mount
HFA08TB120S
Preliminary Data Sheet PD-20603 rev. A 01/99
3
Conforms to JEDEC Outline D
2
PAK
Dimensions in millimeters and inches
10.16 (0.40)
REF.
8.89 (0.35)
4.57 (0.18)
4 .32 (0.17)
0.61 (0.02 ) MAX.
5.08 (0.20 ) REF.
1.32 (0.05)
1.22 (0.05)
1
3
6.47 (0.25)
6.18 (0.24)
93
RE F.
2.61 (0.10)
2.32 (0.09)
5.28 (0.21)
4.78 (0.19)
4.69 (0.18)
4.20 (0.16)
0.55 (0 .02)
0.46 (0 .02)
14.73 (0.58)
15.49 (0.61)
1.40 (0.055)
1.14 (0.045)
3X
0.9 3 (0.37)
0.69 (0.27)
2X
11.43 (0.45)
17.78 (0.70)
8.89 (0 .35)
3.81 (0.15)
2.08 (0.08)
2 X
2 .54 (0.10)
2X
MINIMUM RECOMMEND ED FOOTPR INT
2
Outline Table
Part Marking Information
EXAMPLE: THIS IS AN HFA08TB120S
5K3A
HFA08TB120S
9712
INTERNATIONAL
RECTIFIER LOGO
PART NUMBER
DATE CODE (YYWW)
YY = YEAR
WW = WEEK
ASSEMBLY
LOT CODE
(K)
(N/C)
(A)
HFA08TB120S
Preliminary Data Sheet PD-20603 rev. A 01/99
4
TRR
FEED DIR EC TION
TRL
FEED DIRECTION
10.90 (0.429)
10.70 (0.421)
16.10 (0.634)
15.90 (0.626)
1. 75 (0.069)
1. 25 (0.049)
1.85 (0.073)
1.65 (0.065)
4.10 (0.161)
3.90 (0.153)
1.60 (0. 063)
1.50 (0. 059)
DIA.
1. 60 (0. 063)
1. 50 (0. 059)
DIA.
11.60 ( 0.457)
11.40 ( 0.449)
15.42 (0.609)
15.22 (0.601)
4. 72 (0.186)
4. 52 (0.178)
24.30 (0.957)
23.90 (0.941)
0.368 (0.0145)
0.342 (0.0135)
360 (14.173)
DI A. MAX.
26.40 (1.039)
24.40 (0.961)
13.50 (0.532)
12.80 (0.504)D IA.
60 (2.362)
D IA. MIN .
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