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UGF18ACT THRU UGF18DCT
ULTRAFAST EFFICIENT PLASTIC RECTIFIER
Reverse Voltage - 50 to 200 Volts
ITO-220AB
Forward Current - 18.0 Amperes
FEATURES
Plastic package has Underwriters Laboratories Flammability Classification 94V-0 Ideally suited for use in very high frequency switching power supplies, inverters and as a free wheeling diode Ultrafast 25 nanosecond reverse recovery times Soft recovery characteristics Excellent high temperature switching Glass passivated junctions High temperature soldering guaranteed: 250C, 0.25" (6.35mm) from case for 10 seconds
0.405 (10.27) 0.383 (9.72)
0.188 (4.77) 0.172 (4.36) 0.110 (2.80) 0.100 (2.54) 0.140 (3.56) DIA. 0.130 (3.30) 0.131 (3.39) DIA. 0.122 (3.08)
0.600 (15.5) 0.580 (14.5)
PIN 1 2 3
0.670 (17.2) 0.646 (16.4)
0.350 (8.89) 0.330 (8.38)
0.191 (4.85) 0.171 (4.35) 0.560 (14.22) 0.530 (13.46) 0.060 (1.52) 0.110 (2.80) 0.100 (2.54)
MECHANICAL DATA
0.037 (0.94) 0.027 (0.69) 0.105 (2.67) 0.095 (2.41) 0.022 (0.55) 0.014 (0.36)
PIN 1 PIN 3 PIN 2
0.205 (5.20) 0.195 (4.95)
Dimensions in inches and (millimeters)
Case: JEDECITO-220AB 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 Mounting Torque: 5 in. - lbs. max.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS
UGF18ACT
UGF18BCT
UGF18CCT
UGF18DCT
UNITS
Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at TC=105C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) per leg at TC=105C Maximum instantaneous forward voltage per leg at 9.0A 20A 5.0A, TJ=100C Maximum DC reverse current TA=25C at rated DC blocking voltage per leg TA=100C Maximum reverse recovery time (NOTE 1) Maximum reverse recovery time TJ=25C TJ=100C (NOTE 2) Maximum recovered stored charge TJ=25C TJ=100C (NOTE 2) Typical junction capacitance (NOTE 3) Typical thermal resistance (NOTE 4) Operating junction and storage temperature range
NOTES: (1) Reverse recovery test conditions: IF=0.5A, IR=1.0A, Irr=0.25A (2) trr and Qrr measured at: IF=9.0A, VR=30V, di/dt=50A/s, Irr=10% IRM (3) Measured at 1.0 MHZ and applied reverse voltage of 4.0 Volts (4) Thermal resistance from junction to case per leg
VRRM VRMS VDC I(AV) IFSM
50 35 50
100 70 100 18.0 175.0 1.10 1.20 0.95 10.0 300.0 20.0 30.0 50.0 20.0 45.0 30.0 4.0
150 105 150
200 140 200
Volts Volts Volts Amps Amps
VF IR trr trr Qrr CJ RJC TJ, TSTG
Volts A ns ns nC pF C/W C
-65 to +150
4/98
RATINGS AND CHARACTERISTIC CURVES UGF18ACT THRU UGF18DCT
FIG. 1 -FORWARD CURRENT DERATING CURVE FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT PER LEG
24
AVERAGE FORWARD CURRENT, AMPERES
RESISTIVE OR INDUCTIVE LOAD
1,000
PEAK FORWARD SURGE CURRENT, AMPERES
8.3ms SINGLE HALF SINE-WAVE (JEDEC Method) TC=105C
20 16 12 8.0 4.0 0
100
0
25
50
75
100 125 150 175
CASE TEMPERATURE, C
10
1
10
NUMBER OF CYCLES AT 60 HZ
100
INSTANTANEOUS REVERSE LEAKAGE CURRENT, MICROAMPERES
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER LEG INSTANTANEOUS FORWARD CURRENT, AMPERES
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS PER LEG
100
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
0.01
0.6
0.8
1.0
1.2
1.4
1.6
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
FIG. 5 - REVERSE SWITCHING CHARACTERISTICS PER LEG
FIG. 6 - TYPICAL JUNCTION CAPACITANCE PER LEG
60
STORED CHARGE/REVERSE RECOVERY TIME, nC/ns
100
IF=9.0A VR=30V
50 40 30 20
di/dt=20A/s di/dt=50A/s di/dt=100A/s di/dt=50A/s di/dt=150A/s
JUNCTION CAPACITANCE, pF
di/dt=100A/s
TJ=125C f=1.0 MHz Vsig=50MVp-p
10
di/dt=20A/s
10 0
trr Qrr
0
25
50
75
100 125 150 175
JUNCTION TEMPERATURE, C
1 0.1
1
10
100
REVERSE VOLTAGE, VOLTS


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