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UG2A THRU UG2D
ULTRAFAST EFFICIENT PLASTIC RECTIFIER
Reverse Voltage - 50 to 200 Volts
DO-204AC
Forward Current - 2.0 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 recovery for high efficiency times Soft recovery characteristics Excellent high temperature switching Glass passivated junction High temperature soldering guaranteed: 250C/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension
0.034 (0.86) 1.0 (25.4) MIN. 0.028 (0.71) DIA.
0.300 (7.6) 0.230 (5.8)
0.140 (3.6) 0.104 (2.6) DIA. 1.0 (25.4) MIN.
MECHANICAL DATA
Case: JEDEC DO-204AC molded plastic body over passivated chip Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.015 ounce, 0.4 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS
UG2A
UG2B
UG2C
UG2D
UNITS
Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375" (9.5mm) lead length at TL=75C Peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) at TL=75C Maximum instantaneous forward voltage at 2.0A Maximum DC reverse current at rated DC blocking voltage Maximum reverse recovery time (NOTE 1) Maximum reverse recovery time (NOTE 2) Maximum stored charge
(NOTE 2)
VRRM VRMS VDC I(AV)
50 35 50
100 70 100 2.0
150 105 150
200 140 200
Volts Volts Volts Amps
IFSM VF IR trr
80.0 0.95 5.0 200.0 15.0 25.0 35.0 10.0 22.0 15.0 45.0 -55 to +150
Amps Volts A ns ns nC pF C/W C
TA=25C TA=100C TJ=25C TJ=100C TJ=25C TJ=100C
trr Qrr CJ RJA TJ, TSTG
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 at: IF=2.0A, VR=30V, di/dt=50A/s, Irr=10% IRM for measurement of trr (3) Measured at 1.0 MHZ and applied reverse voltage of 4.0 Volts (4) Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length
4/98
RATINGS AND CHARACTERISTIC CURVES UG2A THRU UG2D
FIG. 1 - MAXIMUM FORWARD CURRENT DERATING CURVES AVERAGE FORWARD RECTIFIED CURRENT, AMPERES FIG. 2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
3.0
2.5 2.0 1.5 1.0 0.5 P.C.B. MOUNTED 0
TA, AMBIENT TEMPERATURE 0.5 x 0.5" (12 x 12mm) COPPER PADS
PEAK FORWARD SURGE CURRENT, AMPERES
RESISTIVE OR INDUCTIVE LOAD 0.375" (9.5mm) LEAD LENGTH TL, LEAD TEMPERATURE
100
10
TL=75C 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method)
1
1
10
NUMBER OF CYCLES AT 60 HZ
100
0
25
50
75
100
125
150
175
TEMPERATURE, C
INSTANTANEOUS REVERSE LEAKAGE CURRENT, MICROAMPERES
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE LEAKAGE CHARACTERISTICS
100
TJ=100C
1000
INSTANTANEOUS FORWARD CURRENT, AMPERES
10
TJ = 25C PULSE WIDTH=300s 1% DUTY CYCLE
100
TJ=100C
1
10
0.1
1
TJ=25C
0.01 0.4
0.6
0.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
0.1 0
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
RECOVERED STORED CHARGE/REVERSE RECOVERY TIME, nC/ns
FIG. 5 - REVERSE SWITCHING CHARACTERISTICS
60 50 40 30 20
IF=2.0A VR=30V di/dt=150A/s di/dt=100A/s di/dt=20A/s di/dt=50A/s di/dt=100A/s di/dt=150A/s di/dt=50A/s di/dt=20A/s
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
100
JUNCTION CAPACITANCE, pF
TJ=25C f=1.0 MHZ Vsig=50mVp-p
10
10 0
trr Qrr
0
25
50
75
100
125
150
175
1 0.1
1
10
100
JUNCTION TEMPERATURE, C
REVERSE VOLTAGE, VOLTS

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