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Leshan Radio Company - (UF4001 - UF4007) SUPER FAST DIODES

Numéro de référence UF4004
Description (UF4001 - UF4007) SUPER FAST DIODES
Fabricant Leshan Radio Company 
Logo Leshan Radio Company 





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UF4004 fiche technique
LESHAN RADIO COMPANY, LTD.
UF4001 thru UF4007
1.Feature & Dimensions
* Plastic package has Underwriters Laboratories
Ultrafast Rectifiers
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
Reverse Voltage 50 to 1000V
Forward Current 1.0A
2.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., 0.34 g
Handling precautin:None
We declare that the material of product
compliance with RoHS requirements.
3.Electrical Characteristic
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
UF
4001
UF
4002
UF
4003
UF
4004
UF
4005
UF
4006
UF
4007
Unit
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
VRRM
VRMS
VDC
50 100 200 400 600 800 1000 V
35 70 140 280 420 560 700 V
50 100 200 400 600 800 1000 V
Maximum average forward rectified current
0.375" (9.5mm) lead length at TA = 75°C
IF(AV)
1.0
A
Peak forward surge current 8.3ms single half
sine-wave superimposed on rated load (JEDEC
Method)
IFSM
30 A
Maximum full load reverse current, full cycle
average,0.375"(9.5mm) lead lengths at TA = 55° IR(AV) 100 µA
C
Typical thermal resistance (Note 2)
RθJA
Operating junction and storage temperature range TJ, TSTG
50
–50 to +150
°C/W
°C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol
symbol
UF UF UF UF UF UF UF
4001 4002 4003 4004 4005 4006 4007
Unit
Maximum instantaneous forward voltage at 1.0A
VF
1.00
1.70
Maximum DC reverse current TA = 25°C
at rated DC blocking voltage TA = 100°C
IR
5.0
100
Typical reverse recovery time (Note 1)
trr
50
75
Typical junction capacitance at 4.0V, 1MHz
CJ
17
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
V
µA
ns
PF
1/3

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