UF4001 THRU UF4007
ULTRAFAST RECOVERY RECTIFIERS
Reverse Voltage – 50 to 1000 V
Forward Current – 1 A
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
Mechanical Data
•
Case: molded plastic, DO-41
•
Epoxy: UL 94V-0 rate flame retardant
•
Lead: Axial leads, solderable per MIL-STD-202,
Method 208 guaranteed
•
Polarity: Color band denotes cathode end
•
Mounting Position: Any
Absolute Maximum Ratings and Characteristics
Ratings at 25
O
C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or
inductive load. For capacitive load, derate current by 20%.
Parameter
Maximum Recurrent 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, 8.3 ms Single Half-sine -wave
Superimposed on Rated Load (JEDEC Method)
Maximum Forward Voltage at 1 A DC
Maximum Reverse Current
at Rated DC Blocking Voltage
Typical Junction Capacitance
Typical Thermal Resistance
2)
3)
1)
Symbols
UF4001 UF4002 UF4003 UF4004 UF4005 UF4006 UF4007
50
35
50
100
70
100
200
140
200
400
280
400
1
30
1
5
500
1.7
600
420
600
800
560
800
1000
700
1000
Units
V
V
V
A
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
T
A
= 25
O
C
T
A
= 100 C
O
A
V
µA
pF
O
I
R
C
J
R
θJA
t
rr
T
J
,T
S
50
17
60
75
-55 to +150
C/W
ns
O
Maximum Reverse Recovery Time
Operating and Storage Temperature Range
1)
2)
C
Measured at 1 MHz and applied reverse voltage of 4 V DC.
Thermal resistance junction to ambient and from juntcion to lead at 0.375"(9.5mm) lead length P.C.B mounted.
3)
Reverse recovery test conditions: I
F
= 0.5 A, I
R
= 1 A, I
rr
= 0.25 A.
SEMTECH ELECTRONICS LTD.
(Subsidiary
of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 12/04/2006 H
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