UG8FT AND UG8GT
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-220AC 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
UG8FT
UG8GT
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
Maximum reverse recovery time at I
F
=0.5A, I
R
=1.0A, I
rr
=0.25A
t
rr
35
ns
MaximumReverse recovery time at
I
F
=1.0A, di/dt=100A/
s, V
R
=30V, I
rr
=0.1 I
RM
t
rr
50
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
12/16/98
0.154 (3.91)
0.148 (3.74)
DIA.
0.113 (2.87)
0.103 (2.62)
0.185 (4.70)
0.175 (4.44)
0.055 (1.39)
0.045 (1.14)
0.145 (3.68)
0.135 (3.43)
0.350 (8.89)
0.330 (8.38)
0.160 (4.06)
0.140 (3.56)
0.037 (0.94)
0.027 (0.68)
0.205 (5.20)
0.195 (4.95)
0.560 (14.22)
0.530 (13.46)
0.022 (0.56)
0.014 (0.36)
0.110 (2.79)
0.100 (2.54)
1
2
1.148 (29.16)
1.118 (28.40)
0.105 (2.67)
0.095 (2.41)
0.410 (10.41)
0.390 (9.91)
0.635 (16.13)
0.625 (15.87)
0.560 (14.22)
0.530 (13.46)
PIN
PIN 1
PIN 2
CASE
0.415 (10.54) MAX.
0.370 (9.40)
0.360 (9.14)
TO-220AC
Dimensions in inches and (millimeters)
ADVANCED INFORMATION
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
VERAGE 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 LEAKAGE CURRENT
,
MICROAMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG. 5 - REVERSE SWITCHING
CHARACTERISTICS
RECOVERED ST
ORED CHARGE/REVERSE
RECOVER
Y
TIME nC/ns
JUNCTION TEMPERATURE, C
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAP
ACIT
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 UG8FT AND UG8GT
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