UF4001 thru UF4007
Ultrafast Rectifiers
Reverse Voltage 50 to 1000V Forward Current 1.0A
Feature & Dimensions
* 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
* 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
We declare that the material of product
compliance with ROHS requirements
Handling precautin:None
1.Electrical Characteristic
Maximum & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
UF
4001 4002 4003 4004 4005 4006 4007
UF UF UF UF UF UF UF
4001 4002 4003 4004 4005 4006 4007
UF
UF
UF
UF
UF
UF
Parameter Symbol
symbol
Unit
device marking code
VRRM
Maximum repetitive peak reverse voltage
Maximum RSM voltage
50
35
50
100
70
200
140
200
400
280
400
600
420
600
800
560
800
1000
700
V
V
V
VRSM
VDC
Maximum DC blocking voltage
100
1000
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA = 75°C
1.0
30
IF(AV)
A
A
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
IFSM
Maximum full load reverse current, full cycle
average,0.375"(9.5mm) lead lengths at TA = 55°C
100
IR(AV)
µA
50
Typical thermal resistance (Note 2)
Operating junction and storage temperature range
RθJA
TJ, TSTG
°C/W
°C
–50 to +150
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
UF
UF
UF
UF
UF
UF
UF
Parameter Symbol
symbol
VF
Unit
V
4001 4002 4003 4004 4005 4006 4007
1.00
50
1.30
1.70
Maximum instantaneous forward voltage at 1.0A
5.0
100
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 100°C
Typical reverse recovery time (Note 1)
Typical junction capacitance at 4.0V, 1MHz
NOTES:
IR
µA
75
trr
CJ
ns
PF
17
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