Dated : 25/04/2005 H
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, acompany
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
SF51 THRU SF58
SUPERFAST RECOVERY RECTIFIERS
Reverse Voltage – 50 to 600 Volts
Forward Current – 5.0 Amperes
Features
• Low forward voltage drop
• Low leakage
• High current capability
• Super fast switching speed
• High forward surge capability
• High reliability.
Mechanical Data
• Case: JEDEC DO-201AD molded plastic body
• Epoxy : UL 94V-O rate flame retardant
• Lead: Axial leads, solderable per MIL-STD-202, Method 208 guaranteed
• Polarity: Color band denotes cathode end
• Mounting Position: Any
Absolute Maximum Ratings and Characteristics
Rating at 25℃ ambient temperature unless otherwise specified. Single-phase, half wave, 60Hz, resistive or
inductive load. For capacitive load, derate current by 20%.
Symbols SF51 SF52 SF53 SF54 SF55 SF56
SF58 Units
Repetitive Peak Reverse Voltage
VRRM
50
100
150
200
300
400
600
V
RMS Voltage
VRMS
35
70
105
140
210
280
420
V
DC Blocking Voltage
VDC
50
100
150
200
300
400
600
V
Average Forward Rectified Current 0.375”(9.5mm)
Lead Length at TA = 55℃
I(AV)
5.0
A
Peak Forward Surge Current ,
8.3ms Single Half Sine-Wave Superimposed
on Rated Load (JEDEC Method)
IFSM
150
A
Instantaneous Forward Voltage @ 5.0A DC and 25℃
VF
0.95
1.25
1.7
V
Reverse Current
@ TA = 25℃
at Rated DC Blocking Voltage
@ TA = 100℃
IR
IR
5.0
500
uA
uA
Reverse Recovery Time (Note 1)
Trr
35
50
ns
Typical Junction Capacitance (Note 2)
CJ
45
pF
Typical Thermal Resistance (Note 3)
RθJA
25
℃
/W
Operating Junction Temperature Range
TJ
-55 to +125
℃
Storage Temperature Range
TS
-55 to +150
℃
Note: (1) Reverse recovery test conditions: IF = 0.5A, IR = 1A, IRR = 0.25A.
(2) Measured at 1 MHz and applied reverse voltage of 4 Volts D.C
(3) Thermal resistance junction to ambient and form junction to lead at 0.375” (9.5mm) lead length, P. C. B.
mounted.
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