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UF4001 Datasheet, PDF (1/2 Pages) Won-Top Electronics – 1.0A ULTRAFAST RECOVERY RECTIFIER
UF4001 thru UF4007
Glass Passivated High Efficient Rectifiers
Reverse Voltage 50 to 1000 Volts Forward Current 1.0 Ampere
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
‹ Excellent high temperature switching
‹ Soft recovery characteristics
‹ Glass passivated junction
‹ High temperature soldering guaranteed:
250oC/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
Mechanical Data
‹ Case: JEDEC DO-204AL(DO-41) molded plastic body over
passivated chip
‹ Terminals: Axial leads, solderable per MIL-STD-750, Method
2026
‹ Polarity: Color band denotes cathode end
‹ Mounting Position: Any
‹ Weight: 0.012 ounce, 0.34 gram
Maximum Ratings and Electrical Characteristics
Ratings at 25oC ambient temperature unless otherwise specified.
Parameter
Symbols UF4001 UF4002 UF4003 UF4004 UF4005 UF4006 UF4007 Units
Maximum repetitive peak reverse voltage
V
RRM
50
100
200
400
600
Maximum RMS voltage
VRMS
35
70
140
280
420
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA=55oC
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
VDC
50
100
200
400
600
IF(AV)
1.0
IFSM
30.0
Maximum instantaneous forward voltage at 1.0A (Note 2)
VF
Maximum DC reverse current
at rated DC blocking voltage
@TA=25oC
@TA=100oC
IR
Maximum reverse recovery time
IF=0.5A, IR=1.0A, Irr= 0.25A
trr
Typical junction capacitance at 4.0V, 1MHz
CJ
Typical thermal resistance (Note 1)
RθJA
RθJL
Operating junction temperature range
TJ
1.0
10.0
50
50
17
60
15
-55 to +150
Storage temperature range
T
STG
-55 to +150
Notes: 1. Thermal resistance from junction to ambient at 0.375"(9.5mm) lead length
2. Pulse test: 300us pulse width, 1% duty cycle
800
1000
Volts
560
700
Volts
800
1000
Volts
Amp
Amps
1.7
Volts
uA
75
nS
pF
oC/W
oC
oC
157