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NEW PRODUCT
NEW PRODUCT
NEW PRODUCT
UGB18ACT THRU UGB18DCT
ULTRAFAST EFFICIENT PLASTIC RECTIFIER
Reverse Voltage - 50 to 200 Volts
TO-263AB
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 in accordance with CECC 802 / Reflow guaranteed
0.380 (9.65) 0.420 (10.67) 0.245 (6.22) MIN K
0.160 (4.06) 0.190 (4.83) 0.045 (1.14) 0.055 (1.40)
0.320 (8.13) 0.360 (9.14) 1 K 2 0.575 (14.60) 0.625 (15.88)
0.047 (1.19) 0.055 (1.40)
SEATING PLATE
-T-
0.090 (2.29) 0.110 (2.79) 0.018 (0.46) 0.025 (0.64) 0.027 (0.686) 0.037 (0.940) 0.080 (2.03) 0.110 (2.79)
0.095 (2.41) 0.100 (2.54)
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
PIN 1 K - HEATSINK PIN 2
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS
UGB18ACT
UGB18BCT
UGB18CCT
UGB18DCT
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 TC=25C at rated DC blocking voltage per leg TC=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
Volts A ns ns nC pF C/W C
IR trr trr Qrr CJ RJC TJ, TSTG
-65 to +150
4/98
RATINGS AND CHARACTERISTIC CURVES UGB18ACT THRU UGB18DCT
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
10
CASE TEMPERATURE, C
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 10
TJ=100C
1
1
TJ=25C
0.1
0.1 0.01
0.01 0.4
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
di/dt=150A/s 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
trr Qrr
0
0
25
50
75
100 125 150 175
1 0.1
1
10
100
JUNCTION TEMPERATURE, C
REVERSE VOLTAGE, VOLTS

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