UF4001 thru UF4007
Ultrafast Rectifiers
Reverse Voltage 50 to 1000V Forward Current 1.0A
Feature & Dimensions
* Plastic package has Underwriters Laboratories
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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
Diffused junction
High temperature soldering guaranteed:
260°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
Mechanical Data
Case: JEDEC DO-41, molded plastic body
Terminals: Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012 oz., 0.284 g
Handling precautin:None
We declare that the material of product
compliance with ROHS requirements
1.Electrical Characteristic
Maximum & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
UF
UF
UF
UF
UF
Parameter Symbol
symbol
4001 4002 4003 4004 4005
UF
UF
UF
UF
UF
device marking code
4001 4002 4003 4004 4005
VRRM
Maximum repetitive peak reverse voltage
50
100
200
400
600
UF
4006
UF
4006
UF
4007
UF
4007
Unit
800
1000
V
Maximum RSM voltage
VRSM
35
70
140
280
420
560
700
V
Maximum DC blocking voltage
VDC
50
100
200
400
600
800
1000
V
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA = 75°C
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
Maximum full load reverse current, full cycle
average,0.375"(9.5mm) lead lengths at TA = 55°C
IF(AV)
1.0
A
IFSM
30
A
IR(AV)
100
µA
50
Typical thermal resistance (Note 2)
RθJA
–50 to +150
Operating junction and storage temperature range
TJ, TSTG
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
UF
UF
UF
UF
UF
Parameter Symbol
symbol
4001 4002 4003 4004 4005
VF
1.00
1.30
Maximum instantaneous forward voltage at 1.0A
Maximum DC reverse current TA = 25°C
IR
at rated DC blocking voltage TA = 100°C
50
Typical reverse recovery time (Note 1)
trr
Typical junction capacitance at 4.0V, 1MHz
CJ
NOTES:
1. IF = 0.5A, IR = 1.0A, IRR = 0.25A
2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted
°C/W
°C
UF
4006
1.70
5.0
100
17
UF
4007
Unit
V
µA
75
ns
PF
