VISHAY UG4A

UG4A THRU UG4D
ULTRAFAST EFFICIENT PLASTIC RECTIFIER
Reverse Voltage - 50 to 200 Volts
Forward Current - 4.0 Amperes
FEATURES
DO-201AD
♦ Plastic package has Underwriters Laboratories
Flammability Classification 94V-0
♦ Ideally suited for use in very high frequency switching
power supplies, inverters and as free wheeling diodes
♦ Ultrafast recovery time for high efficiency
♦ Soft recovery characteristics
♦ Excellent high temperature switching
♦ Glass passivated junction
♦ High temperature soldering guaranteed:
250°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
1.0 (25.4)
MIN.
0.210 (5.3)
0.190 (4.8)
DIA.
0.375 (9.5)
0.285 (7.2)
MECHANICAL DATA
0.052 (1.32)
0.048 (1.22)
DIA.
1.0 (25.4)
MIN.
Dimensions in inches and (millimeters)
Case: JEDEC DO-201AD 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: 0.045 ounce, 1.2 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
UG4A
UG4B
UG4C
100
Maximum repetitive peak reverse voltage
VRRM
50
Maximum RMS voltage
UG4D
UNITS
150
200
Volts
VRMS
35
70
105
140
Volts
Maximum DC blocking voltage
VDC
50
100
150
200
Volts
Maximum average forward rectified current
0.375" (9.5mm) lead length at TL=75°C
I(AV)
4.0
Amps
Peak forward surge current
8.3 ms single half sine-wave superimposed
on rated load (JEDEC Method) at TL=75°C
IFSM
150.0
Amps
Maximum instantaneous forward voltage at 4.0A
VF
0.95
Volts
IR
5.0
300.0
µA
trr
20.0
ns
TJ=25°C
TJ =100°C
trr
30.0
50.0
ns
TJ=25°C
TJ=100°C
Qrr
15.0
30.0
nC
CJ
20.0
pF
RΘJA
25.0
°C/W
TJ, TSTG
-55 to +150
°C
Maximum DC reverse current
at rated DC blocking voltage
TA=25°C
TA=100°C
Maximum reverse recovery time (NOTE 1)
Maximum reverse recovery time
(NOTE 2)
Maximum recovered stored charge
(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 tester: IF=4.0A, VR=30V, di/dt=50A/µs, 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
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG. 1 - FORWARD CURRENT
DERATING CURVE
6.0
200
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
RATINGS AND CHARACTERISTIC CURVES UG4A THRU UG4D
RESISTIVE OR INDUCTIVE LOAD
TL, LEAD TEMPERATURE
0.375" (9.5mm) LEAD LENGTH
5.0
4.0
TA, AMBIENT
TEMPERATURE
P.C.B. MOUNTED
0.5 x 0.5” (12 x 12mm)
COPPER PADS
3.0
2.0
1.0
0
0
25
50
75
TL=75°C
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
100
10
1
1
10
100
NUMBER OF CYCLES AT 60 HZ
100 125 150 175
INSTANTANEOUS FORWARD CURRENT,
AMPERES
FIG. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
100
TJ=100°C
TJ=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
10
1
0.1
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
INSTANTANEOUS REVERSE LEAKAGE CURRENT,
MICROAMPERES
TEMPERATURE, °C
FIG. 4 - TYPICAL REVERSE LEAKAGE
CHARACTERISTICS
1,000
100
TJ=100°C
10
1
TJ=25°C
0.1
0.01
0
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
20
40
60
80
100
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
100
TJ=25°C
f=1.0 MHz
Vsig=50mVp-p
60
di/dt=150A/µs
IF=4.0A
VR=30V
50
di/dt=100A/µs
di/dt=20A/µs
40
di/dt=50A/µs
30
di/dt=150A/µs
di/dt=50A/µs
20
di/dt=20A/µs
10
0
JUNCTION CAPACITANCE, pF
RECOVERED STORED CHARGE/REVERSE
RECOVERY TIME, nC/ns
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
FIG. 5 - REVERSE SWITCHING
CHARACTERISTICS
10
trr
Qrr
0
25
50
75
100 125 150 175
JUNCTION TEMPERATURE, °C
1
0.1
1
10
REVERSE VOLTAGE, VOLTS
100