Bulletin PD-20491 rev. B 02/02
UFB200FA20
Insulated Ultrafast Rectifier Module
Features
•
•
•
•
•
•
•
•
•
•
trr = 45ns
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
IF(AV) = 240A
@ TC = 90°C
VR = 200V
Description
The UFB200FA20 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
Cathode-to-Anode Voltage
Max
Units
200
V
A
IF
Continuous Forward Current, TC = 90°C
Per Diode
120
IFSM
Single Pulse Forward Current, TC = 25°C
Per Diode
1700
PD
Max. Power Dissipation, TC = 90°C
Per Module
V ISOL
RMS Isolation Voltage, Any Terminal to Case, t = 1 min
TJ, TSTG
Operating Junction and Storage Temperatures
240
W
2500
V
- 55 to 150
°C
Case Styles
UFB200FA20
SOT-227
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1
4
2
3
1
UFB200FA20
Bulletin PD-20491 rev. C 02/02
Electrical Characteristics @ TJ = 25°C (unless otherwise specified) per diode
Parameters
VBR
Cathode Anode
Breakdown Voltage
VFM
Forward Voltage
Min Typ Max Units Test Conditions
200
-
-
V
IR = 100µA
-
-
1.1
V
IF = 120A
-
-
0.95
V
IF = 120A, TJ = 150°C
-
50
µA
VR = VR Rated
IRM
Reverse Leakage Current
-
-
2
mA
TJ = 150°C, VR = VR Rated
CT
Junction Capacitance
-
200
-
pF
VR = 200V
Dynamic Recovery Characteristics @ TJ = 25°C (unless otherwise specified) per diode
Parameters
trr
IRRM
Qrr
Reverse Recovery Time
Peak Recovery Current
Reverse Recovery Charge
Min Typ Max Units Test Conditions
-
-
45
-
34
-
TJ = 25°C
-
58
-
TJ = 125°C
-
5.1
-
-
10.3
-
-
87
-
-
300
-
ns
A
IF = 1.0A, diF/dt = 200A/µs, VR = 30V
TJ = 25°C
IF = 150A
VR = 160V
diF /dt = 200A/µs
TJ = 125°C
nC
TJ = 25°C
TJ = 125°C
Thermal - Mechanical Characteristics
Parameters
RthJC
RthCS
2
Max
Units
Junction to Case, Single Leg Conducting
0.5
°C/W
Both Leg Conducting
0.25
K/W
Case to Heat Sink, Flat, Greased Surface
Min
Typ
0.05
Wt
Weight
30
g
T
Mounting Torque
1.3
(N*m)
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UFB200FA20
Bulletin PD-20491 rev. C 02/02
1000
Tj = 150˚C
100
Reverse Current - I R (µA)
100
125˚C
10
1
25˚C
0.1
0.01
0.001
0
100
200
300
400
Reverse Voltage - VR (V)
Fig. 2 - Typical Values Of Reverse Current
Vs. Reverse Voltage
T J = 150˚C
10000
T J = 25˚C
Junction Capacitance - C T (pF)
Instantaneous Forward Current - I F (A)
1000
10
1
0.2
T J = 25˚C
1000
100
0.4
0.6
0.8
1
1.2
1
1.4
Forward Voltage Drop - VF (V)
Fig. 1 - Typical Forward Voltage Drop Characteristics
(per diode)
1
Thermal Impedance Z thJC (°C/W)
10
100
1000
Reverse Voltage - VR (V)
Fig. 3 - Typical Junction Capacitance
Vs. Reverse Voltage
PDM
0.1
t1
Single Pulse
(Thermal Resistance)
t2
Notes:
1. Duty factor D = t1/ t2
2. Peak Tj = Pdm x ZthJC + Tc
0.01
0.0001
0.001
0.01
0.1
t 1, Rectangular Pulse Duration (Seconds)
1
10
Fig. 4 - Max. Thermal Impedance Z thJC Characteristics (per diode)
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3
UFB200FA20
Bulletin PD-20491 rev. C 02/02
150
140
Average Power Loss ( W )
Allowable Case Temperature (°C)
150
130
120
DC
110
100
Square wave (D = 0.50)
Rated Vr applied
90
120
RMS Limit
90
D = 0.01
D = 0.02
D = 0.05
D = 0.10
D = 0.20
D = 0.50
DC
60
30
80 see note (3)
70
0
0
20 40 60 80 100 120 140 160
0
Average Forward Current - I F(AV) (A)
20 40 60 80 100 120 140 160
Average Forward Current - I F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (per leg)
Fig. 6 - Forward Power Loss Characteristics
(per leg)
70
900
IF = 150A
IF = 75A
60
800
Vr = 160V
Tj = 125˚C
Tj = 25˚C
700
600
Qrr ( nC )
trr ( ns )
50
40
30
IF = 150A
IF = 75A
500
400
300
200
20
10
100
Vr = 160V
Tj = 125˚C
Tj = 25˚C
100
di F /dt (A/µs )
1000
Fig. 7 - Typical Reverse Recovery time vs. di F /dt
0
100
di F /dt (A/µs )
1000
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 = 80% rated VR
4
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UFB200FA20
Bulletin PD-20491 rev. C 02/02
3
t rr
IF
VR = 200V
tb
ta
0
2
0.01 Ω
4
0.5 I RRM
di(rec)M/dt
L = 70µH
5
0.75 I RRM
D.U.T.
dif/dt
ADJUST
Q rr
I RRM
1
di f /dt
D
G
IRFP250
S
Fig. 9 - Reverse Recovery Parameter Test
Circuit
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
4. Qrr - Area under curve defined by
t rr and IRRM
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
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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5
UFB200FA20
Bulletin PD-20491 rev. C 02/02
SOT-227 Package Details
Tube
QUANTITY PER TUBE IS 10
M4 SCREW AND WASHER INCLUDED
Ordering Information Table
Device Code
UF
B
200
F
A
20
1
2
3
4
5
6
1
-
ULTRAFAST RECTIFIER
2
-
Ultrafast Pt diffused
3
-
Current Rating
(200 = 200A)
4
-
Circuit Configuration
(2 separate Diodes, parallel pin-out)
5
-
Package Indicator
(SOT-227 Standard Isolated Base)
6
-
Voltage Rating
(20 = 200V)
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. 02/02
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