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UG4A Datasheet, PDF (1/2 Pages) General Semiconductor – ULTRAFAST EFFICIENT PLASTIC RECTIFIER
UG4A THRU UG4D
ULTRAFAST EFFICIENT PLASTIC RECTIFIER
Reverse Voltage - 50 to 200 Volts Forward Current - 4.0 Amperes
DO-201AD
0.210 (5.3)
0.190 (4.8)
DIA.
1.0 (25.4)
MIN.
0.375 (9.5)
0.285 (7.2)
FEATURES
♦ 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
0.052 (1.32)
0.048 (1.22)
DIA.
1.0 (25.4)
MIN.
Dimensions in inches and (millimeters)
MECHANICAL DATA
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.
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=75°C
Peak forward surge current
8.3 ms single half sine-wave superimposed
on rated load (JEDEC Method) at TL=75°C
Maximum instantaneous forward voltage at 4.0A
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)
TJ=25°C
TJ =100°C
Maximum recovered stored charge
(NOTE 2)
TJ=25°C
TJ=100°C
Typical junction capacitance (NOTE 3)
Typical thermal resistance (NOTE 4)
Operating junction and storage temperature range
SYMBOLS
VRRM
VRMS
VDC
I(AV)
IFSM
VF
IR
trr
trr
Qrr
CJ
RΘJA
TJ, TSTG
UG4A
50
35
50
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
UG4B
100
70
100
UG4C
150
105
150
4.0
150.0
0.95
5.0
300.0
20.0
30.0
50.0
15.0
30.0
20.0
25.0
-55 to +150
UG4D
200
140
200
UNITS
Volts
Volts
Volts
Amps
Amps
Volts
µA
ns
ns
nC
pF
°C/W
°C
4/98