Document
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.
Parameter Symbol
symbol
UF UF UF UF UF 4001 4002 4003 4004 4005
device marking code
UF UF UF UF UF 4001 4002 4003 4004 4005
Maximum repetitive peak reverse voltage
VRRM
50 100 200 400 600
Maximum RSM voltage
VRSM
35 70 140 280 420
Maximum DC blocking voltage
VDC 50 100 200 400 600
Maximum average forward rectified current 0.375" (9.5mm) lead length at TA = 75°C
IF(AV)
1.0
Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method)
IFSM
30
Maximum full load reverse current, full cycle average,0.375"(9.5mm) lead lengths at TA = 55°C
IR(AV)
100
Typical thermal resistance (Note 2)
RθJA
50
Operating junction and storage temperature range
TJ, TSTG
–50 to +150
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
UF UF UF UF UF 4001 4002 4003 4004 4005
Maximum instantaneous forward voltage at 1.0A
VF
1.00
Maximum DC reverse current TA = 25°C at rated DC blocking voltage TA = 100°C
IR
Typical reverse recovery time (Note 1)
trr 50
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
1.30 5.0 100
17
UF 4006 UF 4006 800 560 800
UF 4006 1.70
75
UF 4007 UF 4007 1000 700 1000
UF 4007
Unit
V V V A
A
µA °C/W
°C
Unit V µA ns PF
Average Forward Rectified Current (A)
Average Forward Rectified Current (A)
UF4001 thru UF4007
2. Characteristic Curves ( TA = 25°C unless otherwise noted )
Fig. 1 – Forward Current Derating Curve
Fig. 2 – Maximum Non-repetitive Peak Forward Surge Current
60 Hz
50
TJ = TJ max
Resistive or
8.3ms Single Half Sine-wave
1.0
Inductive Load
40 (JEDEC Method)
30
0.5 20
0.375" (9.5mm) Lead Length
0 0 25 50 75 100 125 150 175
Ambient Temperature, °C Fig 3. – Typical Instantaneous Forward
Characteristics
10
1.0 UF4001~4 0.1
UF4005~7
10
0 1
10
Number of Cycles at 60Hz
Fig 4.