Dated : 04/07/2003
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, acompany
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
UF5400~UF5408
ULTRAFAST PLASTIC RECTIFIER
Reverse Voltage – 50 to 1000 Volts
Forward Current – 3.0 Amperes
Features
• Plastic package has Underwriters Laboratory
Flammabilit y Classification 94V-0
• Glass passivated chip junction
• Low cost
• Ultrafast recovery time for high efficienc y
• High current capability, low forward voltage
• High surge capability
• Low leakage
• High temperature soldering guaranteed:
250℃/10 sec, 0.375”(9.5mm) lead length,
5lbs. (2.3kg) tension
Mechanical Data
• Case: Molded plastic body, JEDEC DO-201AD
• Terminals: Plated Axial leads, solderable
p e r MIL- STD-7 5 0 , me th od 2026
• Polarity: Color band denotes cathode end.
• Mounting Position: Any
Absolute Maximum Ratings and Characteristics
Ratings at 25
0C unless otherwise specified.
Symbols
UF
5400
UF
5401
UF
5402
UF
5403
UF
5404
UF
5405
UF
5406
UF
5407
UF
5408
Units
Maximum recurrent peak reverse voltage
VRRM
50
100
200
300
400
500
600
800
1000
V
Maximum RMS voltage
VRMS
35
70
140
210
280
350
420
560
700
V
Maximum DC blocking voltage
VDC
50
100
200
300
400
500
600
800
1000
V
Maximum average forward rectified current
0.375” (9.5mm)lead length at Ta = 55
OC
I(AV)
3.0
A
Peak forward surge current
8.3mS single half sine-wave superimposed
on rated load (JEDEC method )at Ta = 55
OC
IFSM
150
A
Maximum instantaneous forward voltage
at 3 A (Note 1)
VF
1.0
1.3
1.7
V
10
Maximum reverse current
TA = 25
OC
at rated reverse voltage
TA = 100
OC
IR
75
200
µA
Maximum reverse recovery time
At IF = 0.5A, IR = 1.0A, Irr = 0.25A, TJ = 25
OC
trr
50
75
ns
Typical junction capacitance at 4.0V, 1MHz
Ctot
45
36
pF
Typical thermal resistance (Note 2)
RθJA
RθJL
20
8.5
OC/W
Operating junction temperature range
TJ
-55 to +150
OC
storage temperature range
TS
-55 to +150
OC
Notes:(1) Pulse test: 300μs pulse width, 1% duty cycle
(2) Thermal resistance from junction to lead and from junction to ambient with 0.375” (9.5mm) lead length, both
leads attached to heatsink.
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