UGB8FT AND UGB8GT
ULTRAFAST SOFT RECOVERY RECTIFIER
Reverse Voltage - 300 to 400 Volts Forward Current - 8.0 Amperes
FEATURES
Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
Ideally suited for freewheeling diode power factor
correction applications
Soft recovery characteristics
Excellent high temperature switching
Optimized to reduce switching losses
High temperature soldering in accordance with
CECC 802 / Reflow guaranteed
Glass passivated chip junction
MECHANICAL DATA
Case: JEDEC TO-263AB molded plastic body
Terminals: Plated leads, solderable per MIL-STD-750,
Method 2026
Polarity: As marked
Mounting Position: Any
Weight: 0.08 ounce, 2.24 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS
UGB8FT
UGB8GT
UNITS
Maximum repetitive peak reverse voltage
V
RRM
300
400
Volts
Working peak reverse voltage
V
RWM
225
300
Volts
Maximum RMS voltage
V
RMS
210
280
Volts
Maximum DC blocking voltage
V
DC
300
400
Volts
Maximum average forward rectified current at T
C
=100C
I
(AV)
8.0
Amps
Peak forward surge current
8.3ms single half sine-wave superimposed
I
FSM
100.0
Amps
on rated load (JEDEC Method)
Maximum instantaneous forward voltage at I
F
= 8A
(NOTE 1)
T
J
=25C
1.30
T
J
=150C
V
F
1.00
Volts
Maximum reverse leakage current
T
C
=25C
10
at working peak reverse voltage
T
C
=100C
I
R
350
A
Reverse recovery time at
Maximum
I
F
=1.0A, di/dt=100A/
s, V
R
=30V, I
rr
=0.1 I
RM
t
rr
50
ns
Maximum reverse recovery time at I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
t
rr
35
ns
Maximum reverse recovery current at
I
F
=10A, di/dt=50A/
s,V
R
=30V
T
C
=100C
I
RM
5.5
Amps
Maximum stored charge
I
F
=2A, di/dt=20A/
s, V
R
=30V, I
rr
=0.1 I
RM
Q
rr
55
nC
Typical thermal resistance from junction to case
R
JC
2.2
C/W
Operating junction and storage temperature range
T
J
, T
STG
-40 to+150
C
NOTE: (1) Pulse test: 300
s pulse width, 1% duty cycle
NOTICE: Advanced product information is subject to change without notice
4/98
ADVANCED INFORMATION
ADVANCED INFORMATION
ADVANCED INFORMATION
Dimensions are in inches and (millimeters)
-T-
SEATING
PLATE
0.380 (9.65)
0.420 (10.67)
0.320 (8.13)
0.360 (9.14)
0.575 (14.60)
0.625 (15.88)
0.027 (0.686)
0.037 (0.940)
1
2
0.160 (4.06)
0.190 (4.83)
0.045 (1.14)
0.055 (1.40)
0.018 (0.46)
0.025 (0.64)
0.080 (2.03)
0.110 (2.79)
0.090 (2.29)
0.110 (2.79)
0.245 (6.22)
MIN
- HEATSINK
PIN 1
K
K
0.095 (2.41)
0.100 (2.54)
K
PIN 2
0.047 (1.19)
0.055 (1.40)
TO-263AB
0
25
50
75
100
125
150
175
0
2.0
4.0
6.0
8.0
10
12
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.01
0.1
1
10
100
0.1
1
10
100
1
10
100
0
25
50
75
100
125
150
175
0
10
20
30
40
50
60
0
20
40
60
80
100
0.01
0.1
1
10
100
1,000
1
10
100
25
50
75
100
125
150
0
FIG. 1 - FORWARD CURRENT DERATING
CURVE
CASE TEMPERATURE, C
A
VERA
GE FOR
W
ARD RECTIFIED CURRENT
,
AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
NUMBER OF CYCLES AT 60 Hz
PEAK FOR
W
ARD SURGE CURRENT
,
AMPERES
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE
CHARACTERISTICS
INST
ANT
ANEOUS FOR
W
ARD CURRENT
,
AMPERES
INST
ANT
ANEOUS REVERSE LEAKA
GE CURRENT
,
MICR
O
AMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - REVERSE SWITCHING
CHARACTERISTICS
RECO
VERED ST
ORED CHARGE/REVERSE
RECO
VER
Y TIME
nC/ns
JUNCTION TEMPERATURE, C
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAP
A
CIT
ANCE, pF
REVERSE VOLTAGE, VOLTS
T
C
=100
C
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
T
J
=100C
T
J
=25C
T
J
=25C
PULSE WIDTH=300
s
1% DUTY CYCLE
T
J
=25C
f=1.0 MH
Z
Vsig=50mVp-p
di/dt=20A/
s
di/dt=150A/
s
di/dt=100A/
s
di/dt=50A/
s
di/dt= 150A/
s
di/dt=20A/
s
di/dt=50A/
s
di/dt=100A/
s
T
J
=125C
I
F
=4.0A
V
R
=30V
t
rr
Q
rr
RESISTIVE OR INDUCTIVE LOAD
RATINGS AND CHARACTERISTIC CURVES UGB8FT AND UGB8GT
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