Dated : 30/01/2008
C
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
UF4001S THRU UF4007S
ULTRA FAST RECTIFIERS
Voltage Range - 50 to 1000 V
Forward Current - 1 A
Features
• Ultra fast switching for high efficiency
• Low reverse leakage
• High forward surge current capability
Mechanical data
• Case: A-405 molded plastic body
• Terminals: Plated axial leads, solderable per MIL-STD-750
Method 2026
• Polarity: Color band denotes cathode end
• Mounting position: any
Absolute Maximum Ratings and Electrical characteristics (Ta = 25 OC)
Ratings at 25 OC ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Parameter
Symbols UF4001S UF4002S UF4003S UF4004S UF4005S UF4006S UF4007S Units
Maximum Repetitive Peak Reverse Voltage
VRRM
50
100
200
400
600
800
1000
V
Maximum RMS Voltage
VRMS
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 = 55
OC
I(AV)
1
A
Peak Forward Surge Current 8.3 ms Single Half Sine-Wave
Superimposed on Rated Load (JEDEC Method)
IFSM
30
A
Maximum Forward Voltage at 1 A
VF
1
1.7
V
Maximum DC Reverse Current
at Rated DC Blocking Voltage
TA = 25
OC
TA = 100
OC
IR
5
50
µA
Maximum Reverse Recovery Time
1)
trr
50
75
ns
Typical Junction Capacitance
2)
CJ
15
pF
Typical Thermal Resistance
3)
RθJA
50
OC/W
Operating and Storage Temperature Range
TJ, TS
- 65 to + 150
OC
1) Reverse recovery condition I
F = 0.5 A, IR = 1 A, Irr = 0.25 A.
2) Measured at 1 MHz and applied reverse voltage of 4 V D.C.
3) Thermal resistance from junction to ambient at 0.375" (9.5 mm) lead length, P.C.B. mounted.
A-405
1.0 (25.4)
Dimensions in inches and (millimeters)
MIN.
DIA.
0.025 (0.65)
0.021 (0.55)
DIA.
0.107 (2.7)
0.080 (2.3)
0.205 (5.2)
0.166 (4.2)
1.0 (25.4)
MIN.
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