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Preliminary Data Sheet PD-20603 rev. A 01/99
HFA08TB120S
HEXFRED
Features

TM
Ultrafast, Soft Recovery Diode
(K)
BASE + 2
Benefits
Ultrafast Recovery Ultrasoft Recovery Very Low IRRM Very Low Qrr Guaranteed Avalanche Specified at Operating Conditions
Reduced RFI and EMI Reduced Power Loss in Diode and Switching Transistor Higher Frequency Operation Reduced Snubbing Reduced Parts Count
(N/C)
1
3 _ (A)
VR = 1200V VF(typ.)* = 2.4V IF(AV) = 8.0A Qrr (typ.)= 140nC IRRM (typ.) = 4.5A trr(typ.) = 28ns di(rec)M/dt (typ.)* = 85A/s
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 (IRRM ) and does not exhibit any tendency to "snap-off" during the tb 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.
D2 Pak
Absolute Maximum Ratings
Parameter
VR IF @ TC = 100C IFSM IFRM PD @ T C = 25C PD @ TC = 100C TJ TSTG Cathode-to-Anode Voltage Continuous Forward Current Single Pulse Forward Current Maximum Repetitive Forward Current Maximum Power Dissipation Maximum Power Dissipation Operating Junction and Storage Temperature Range
Max.
1200 8.0 130 32 73.5 29 -55 to +150
Units
V A W C
* 125C
1
HFA08TB120S
Preliminary Data Sheet PD-20603 rev. A 01/99
Electrical Characteristics @ TJ = 25C (unless otherwise specified)
Parameter
VBR VFM IRM CT LS Cathode Anode Breakdown Voltage Max Forward Voltage Max Reverse Leakage Current Junction Capacitance Series Inductance
Min. Typ. Max. Units
1200 2.6 3.3 3.4 4.3 2.4 3.1 0.31 10 135 1000 11 20 8.0 V V A pF nH
Test Conditions
IR = 100A IF = 8.0A IF = 16A IF = 8.0A, TJ = 125C VR = V R Rated TJ = 125C, VR = 0.8 x V R RatedD Rated VR = 200V Measured lead to lead 5mm from package body
Dynamic Recovery Characteristics @ TJ = 25C (unless otherwise specified)
Parameter
trr trr1 trr2 IRRM1 IRRM2 Qrr1 Qrr2 di(rec)M /dt1 di(rec)M /dt2 Reverse Recovery Time
Min. Typ. Max. Units
28 63 106 4.5 6.2 140 335 133 85 95 160 8.0 11 380 880
Test Conditions
Peak Recovery Current Reverse Recovery Charge Peak Rate of Fall of Recovery Current During tb
IF = 1.0A, di f/dt = 200A/s, V R = 30V ns TJ = 25C TJ = 125C IF = 8.0A TJ = 25C A TJ = 125C VR = 200V TJ = 25C nC TJ = 125C dif/dt = 200A/s TJ = 25C A/s TJ = 125C
Thermal - Mechanical Characteristics
Parameter
Tlead RthJC RthJA Wt Lead Temperature Thermal Resistance, Junction to Case Thermal Resistance, Junction to Ambient Weight
Min.

Typ.
2.0 0.07
Max.
300 1.7 40
Units
C K/W g (oz)
0.063 in. from Case (1.6mm) for 10 sec Typical Socket Mount
2
Preliminary Data Sheet PD-20603 rev. A 01/99
HFA08TB120S
Outline Table
10.16 (0.40) REF.
4.69 (0.18) 4.20 (0.16)
1.32 (0.05)
6.47 (0.25)
15.49 (0.61)
1.22 (0.05)
93
6.18 (0.24)
14.73 (0.58)
2.61 (0.10)
2.32 (0.09) 8.89 (0.35)
5.28 (0.21) 4.78 (0.19)
3X
1.40 (0.055)
REF.
0.9 3 (0.37) 0.69 (0.27)
0.55 (0 .02) 0.46 (0 .02)
1.14 (0.045) 2X
MINIMUM RECOMMEND ED FOOTPR INT
11.43 (0.45)
1
3
4.57 (0.18)
4 .32 (0.17)
2 0.61 (0.02 ) MAX. 5.08 (0.20 ) REF.
8.89 (0 .35)
17.78 (0.70) 3.81 (0.15)
2.08 (0.08) 2X
2 .54 (0.10) 2X
Conforms to JEDEC Outline D2PAK Dimensions in millimeters and inches
Part Marking Information
EXAMPLE: THIS IS AN HFA08TB120S
(K)
INTERNATIONAL RECTIFIER LOGO HFA08TB120S
PART NUMBER
5K3A ASSEMBLY LOT CODE
9712
(N/C)
(A)
DATE CODE (YYWW) YY = YEAR WW = WEEK
3
HFA08TB120S
TRR
Preliminary Data Sheet PD-20603 rev. A 01/99
Tape & Reel Information
1.60 (0.063) 1.50 (0.059)
4.10 (0.161) 3.90 (0.153) FEED DIR EC TION
1.60 (0.063) 1.50 (0.059)
DIA. 0.368 (0.0145) 0.342 (0.0135)
1.85 (0.073) 1.65 (0.065)
11.60 ( 0.457) 11.40 ( 0.449)
15.42 (0.609) 15.22 (0.601) 1.75 (0.069)
24.30 (0.957) 23.90 (0.941)
TRL DIA.
10.90 (0.429) 10.70 (0.421)
1.25 (0.049) 16.10 (0.634) 15.90 (0.626)
4.72 (0.186) 4.52 (0.178)
FEED DIRECTION
13.50 (0.532) 12.80 (0.504) D IA.
26.40 (1.039) 24.40 (0.961)
SMD- 220 Tape & Reel When ordering, indicate the part number, part orientation, and the quantity. Quantities are in multiples
60 (2.362) D IA. MIN .
of 800 pieces per reel for both TRL and T RR.
360 (14.173) DIA. MAX.
WORLD HEADQUARTERS: EUROPEAN HEADQUARTERS: IR CANADA: IR GERMANY: IR ITALY: IR FAR EAST: IR SOUTHEAST ASIA: IR TAIWAN:
233 Kansas St., El Segundo, California 90245 U.S.A. Tel: (310) 322 3331. Fax: (310) 322 3332. Hurst Green, Oxted, Surrey RH8 9BB, U.K. Tel: ++ 44 1883 732020. Fax: ++ 44 1883 733408. 15 Lincoln Court, Brampton, Markham, Ontario L6T3Z2. Tel: (905) 453 2200. Fax: (905) 475 8801. Saalburgstrasse 157, 61350 Bad Homburg. Tel: ++ 49 6172 96590. Fax: ++ 49 6172 965933. Via Liguria 49, 10071 Borgaro, Torino. Tel: ++ 39 11 4510111. Fax: ++ 39 11 4510220. K&H Bldg., 2F, 30-4 Nishi-Ikebukuro 3-Chome, Toshima-Ku, Tokyo, Japan 171. Tel: 81 3 3983 0086. 1 Kim Seng Promenade, Great World City West Tower,13-11, Singapore 237994. Tel: ++ 65 838 4630. 16 Fl. Suite D.207, Sec. 2, Tun Haw South Road, Taipei, 10673, Taiwan. Tel: 886 2 2377 9936.
http://www.irf.com
Fax-On-Demand: +44 1883 733420
Data and specifications subject to change without notice.
4

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