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:
250
o
C/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 25
o
C ambient temperature unless otherwise specified.
Parameter
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
=55
o
C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 1.0A (Note 2)
Maximum DC reverse current
at rated DC blocking voltage
Maximum reverse recovery time
I
F
=0.5A, I
R
=1.0A, I
rr
= 0.25A
Typical junction capacitance at 4.0V, 1MHz
Typical thermal resistance (Note 1)
Operating junction temperature range
Storage temperature range
Notes:
Symbols
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
I
R
t
rr
C
J
R
θ
JA
R
θ
JL
T
J
T
STG
UF4001
50
35
50
UF4002
100
70
100
UF4003
200
140
200
UF4004
400
280
400
1.0
UF4005
600
420
600
UF4006
800
560
800
UF4007
1000
700
1000
Units
Volts
Volts
Volts
Amp
30.0
1.0
10.0
50
50
17
60
15
-55 to +150
-55 to +150
75
1.7
Amps
Volts
uA
nS
pF
o
@T
A
=25 C
@T
A
=100
o
C
o
C/W
o
C
C
o
1. Thermal resistance from junction to ambient at 0.375"(9.5mm) lead length
2. Pulse test: 300us pulse width, 1% duty cycle
157
PCB设计
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