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Bulletin PD-20779 03/02
UFB60FA40
Insulated Ultrafast Rectifier Module
Features
* * * * * * * * * * Two Fully Independent Diodes Ceramic Fully Insulated Package (VISOL = 2500V AC) Ultrafast Reverse Recovery Ultrasoft Reverse Recovery Current Shape Low Forward Voltage Optimized for Power Conversion: Welding and Industrial SMPS Applications Industry Standard Outline Plug-in Compatible with other SOT-227 Packages Easy to Assemble Direct Mounting to Heatsink
trr = 46ns IF(AV) = 60A @ TC = 90C VR = 400V
Description
The UFB60FA40 insulated modules integrate two state-of-the-art International Rectifier's Ultrafast recovery rectifiers in the compact, industry standard SOT-227 package. The planar structure of the diodes, and the platinum doping lifetime control, provide a Ultrasoft recovery current shape, together with the best overall performance, ruggedness and reliability characteristics. These devices are thus intended for high frequency applications in which the switching energy is designed not to be predominant portion of the total energy, such as in the output rectification stage of Welding machines, SMPS, DCDC converters. Their extremely optimized stored charge and low recovery current reduce both over dissipation in the switching elements (and snubbers) and EMI/ RFI.
Absolute Maximum Ratings Parameters
VR IF IFSM PD V ISOL TJ, TSTG Cathode-to-Anode Voltage Continuous Forward Current, TC = 90C Single Pulse Forward Current, TC = 25C Max. Power Dissipation, TC = 90C Operating Junction and Storage Temperatures Per Diode Per Diode Per Module
Max
400 30 250 64 2500 - 55 to 150
Units
V A W V C
RMS Isolation Voltage, Any Terminal to Case, t = 1 min
Case Styles
UFB60FA40
1 4
SOT-227 www.irf.com
2
3
1
UFB60FA40
Bulletin PD-20779 03/02
Electrical Characteristics @ TJ = 25C (unless otherwise specified) per diode
Parameters
VBR VFM Cathode Anode Breakdown Voltage Forward Voltage
Min Typ Max Units Test Conditions
400 V V V A mA pF IR = 100A IF = 30A IF = 30A, TJ = 150C VR = VR Rated TJ = 150C, VR = VR Rated VR = 400V
1.13 1.39 0.93 1.07 68 100 1.0 -
IRM
Reverse Leakage Current
-
CT
Junction Capacitance
-
Dynamic Recovery Characteristics @ TJ = 25C (unless otherwise specified) per diode
Parameters
trr Reverse Recovery Time
Min Typ Max Units Test Conditions
32 67 120 6.8 15 228 900 46 nC A ns IF = 1.0A, diF/dt = 200A/s, VR = 30V TJ = 25C TJ = 125C TJ = 25C TJ = 125C TJ = 25C TJ = 125C IF = 30A VR = 200V diF /dt = 200A/s
IRRM
Peak Recovery Current
-
Qrr
Reverse Recovery Charge
-
Thermal - Mechanical Characteristics
Parameters
RthJC RthCS Wt T Junction to Case, Single Leg Conducting Both Leg Conducting Case to Heat Sink, Flat, Greased Surface Weight Mounting Torque
Min
-
Typ
0.05 30 1.3
Max
1.9 0.95 -
Units
C/W K/W g (N*m)
2
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UFB60FA40
Bulletin PD-20779 03/02
1000
100
Tj = 150C
Reverse Current - I R (A)
10 1 0.1
125C
25C
Instantaneous Forward Current - I F (A)
100
0.01 0.001 0 100 200 300 400
Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage
Tj = 150C Tj = 125C
Junction Capacitance - C T (pF)
1000
10
Tj = 25C
100
T = 25C
J
1 0
Forward Voltage Drop - VFM (V)
10
0.5 1 1.5 2
1
10
100
1000
Fig. 1 - Typical Forward Voltage Drop Characteristics (per diode) 10
Thermal Impedance Z thJC (C/W)
Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage
1
Single Pulse (Thermal Impedance)
PDM
t1
0.1
Notes: 1. Duty factor D = t1/ t2
t2
2. Peak Tj = Pdm x ZthJC + Tc
0.01 0.0001
0.001 0.01 0.1 t 1, Rectangular Pulse Duration (Seconds)
Fig. 4 - Max. Thermal Impedance Z thJC Characteristics (per diode)
1
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3
UFB60FA40
Bulletin PD-20779 03/02
160
Allowable Case Temperature (C) Average Power Loss ( W )
70
RMS Limit
140 120
DC
60 50
DC
100 80
Square wave (D = 0.50) 60 Rated Vr applied
40 30 20 10 0 0 10 20 30 40
D = 0.01 D = 0.02 D = 0.05 D = 0.10 D = 0.20 D = 0.50
40 see note (3) 20 0 10 20 30 40 50 60 70
Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (per leg)
50
60
70
Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics (per leg)
150 140 130 120
Tj = 125C
Qrr ( nC ) trr ( ns )
2400
If = 30A Vrr = 100V If = 30A Vrr = 100V Tj = 125C
2000
1600
110 100 90 80 70 60 50 100 1000
Tj = 25C
1200
800
Tj = 25C
400
di F /dt (A/s )
0 100
di F /dt (A/s )
1000
Fig. 7 - Typical Reverse Recovery time vs. di F /dt
Fig. 8 - Typical Stored Charge vs. di F /dt
(3) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = rated VR
4
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UFB60FA40
Bulletin PD-20779 03/02
3
IF
trr ta tb
4
VR = 200V
0
2
Q rr I RRM
0.01 L = 70H D.U.T. dif/dt ADJUST D G IRFP250 S
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
1
0.5 I RRM di(rec)M/dt 0.75 I RRM
5
di f /dt
4. Qrr - Area under curve defined by t rr and IRRM
Q rr = t rr x I 2
RRM
5. di (rec) M / dt - Peak rate of change of current during t b portion of t rr
Fig. 9 - Reverse Recovery Parameter Test Circuit
Fig. 10 - Reverse Recovery Waveform and Definitions
SOT-227 Package Details
LEAD ASSIGNMENTS
FRED
Notes:
1. Dimensioning & tolerancing per ANSI Y14.5M-1982. 2. Controlling dimension: millimeter. 3. Dimensions are shown in millimeters (inches).
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UFB60FA40
Bulletin PD-20779 03/02
SOT-227 Package Details Tube
QUANTITY PER TUBE IS 10 M4 SCREW AND WASHER INCLUDED
Ordering Information Table
Device Code
UF
1
B
2
60
3
F
4
A
5
40
6
1 2 3 4 5 6
-
ULTRAFAST RECTIFIER Ultrafast Pt diffused Current Rating Circuit Configuration Package Indicator Voltage Rating (60 = 60A) (2 separate Diodes, parallel pin-out) (SOT-227 Standard Isolated Base) (40 = 400V)
Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site.
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 03/02
6
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