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ADVANCED INFORMATION
UG8FT AND UG8GT
ULTRAFAST SOFT RECOVERY RECTIFIER
Reverse Voltage - 300 to 400 Volts Forward Current - 8.0 Amperes
TO-220AC
0.185 (4.70) 0.415 (10.54) MAX. 0.370 (9.40) 0.360 (9.14) 0.154 (3.91) DIA. 0.148 (3.74) 0.055 (1.39) 0.045 (1.14) 0.175 (4.44)
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
0.113 (2.87) 0.103 (2.62) 0.145 (3.68) 0.135 (3.43) 0.560 (14.22) 0.530 (13.46) 0.410 (10.41) 0.390 (9.91) PIN 1 0.160 (4.06) 0.140 (3.56) 0.560 (14.22) 0.530 (13.46) 2 0.635 (16.13) 0.625 (15.87) 0.350 (8.89) 0.330 (8.38) 1.148 (29.16) 1.118 (28.40) 0.110 (2.79) 0.100 (2.54)
MECHANICAL DATA
0.105 (2.67) 0.095 (2.41) 0.037 (0.94) 0.027 (0.68) 0.022 (0.56) 0.014 (0.36)
PIN 1 0.205 (5.20) 0.195 (4.95) PIN 2 CASE
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
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS
UG8FT
UG8GT
UNITS
Maximum repetitive peak reverse voltage Working peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at TC=100C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at IF= 8A (NOTE 1) Maximum reverse leakage current at working peak reverse voltage Maximum reverse recovery time at IF=0.5A, IR=1.0A, Irr=0.25A MaximumReverse recovery time at IF=1.0A, di/dt=100A/s, VR=30V, Irr=0.1 IRM Maximum reverse recovery current at IF=10A, di/dt=50A/s,VR=30V Maximum stored charge IF=2A, di/dt=20A/s, VR=30V, Irr=0.1 IRM Typical thermal resistance from junction to case Operating junction and storage temperature range
NOTE: (1) Pulse test: 300s pulse width, 1% duty cycle NOTICE: Advanced product information is subject to change without notice 12/16/98
VRRM VRWM VRMS VDC I(AV) IFSM TJ=25C TJ=150C TC=25C TC=100C
300 225 210 300 8.0 100.0 1.30 1.00 10 350 35 50 5.5 55 2.2
400 300 280 400
Volts Volts Volts Volts Amps Amps
VF IR trr trr IRM Qrr RJC TJ, TSTG
Volts A ns ns Amps nC C/W C
TC=100C
-40 to+150
RATINGS AND CHARACTERISTIC CURVES UG8FT AND UG8GT
AVERAGE FORWARD RECTIFIED CURRENT, AMPERES FIG. 1 - FORWARD CURRENT DERATING CURVE
12 10 8.0 6.0 4.0 2.0 0 0 25 50 75 100 125 150 175
CASE TEMPERATURE, C PEAK FORWARD SURGE CURRENT, AMPERES
RESISTIVE OR INDUCTIVE LOAD
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
150 125 100 75 50 25 0 1 10
NUMBER OF CYCLES AT 60 Hz
TC=100C 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method)
100
100
INSTANTANEOUS FORWARD CURRENT, AMPERES
INSTANTANEOUS REVERSE LEAKAGE CURRENT, MICROAMPERES
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
1,000
TJ=125C
10
TJ=25C PULSE WIDTH=300s 1% DUTY CYCLE
100
TJ=100C
10
1
1
TJ=25C
0.1
0.1
0.01 0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.01 0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
FIG. 5 - REVERSE SWITCHING CHARACTERISTICS RECOVERED STORED CHARGE/REVERSE RECOVERY TIME nC/ns
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
60
IF=4.0A VR=30V di/dt= 150A/s di/dt=100A/s di/dt=20A/s di/dt=50A/s di/dt=100A/s di/dt=50A/s di/dt=150A/s
100
TJ=25C f=1.0 MHZ Vsig=50mVp-p
40 30 20
JUNCTION CAPACITANCE, pF
50
10
di/dt=20A/s
10
trr Qrr
0
0
25
50
75
100
125
150
175
JUNCTION TEMPERATURE, C
1 0.1
1
10
100
REVERSE VOLTAGE, VOLTS

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