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
RMS Voltage
VRRM
VRMS
VDC
50
35
50
100 150 200 300 400
70 105 140 210 280
600
420
600
V
V
V
DC Blocking Voltage
100 150 200 300 400
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
VF
150
A
V
Instantaneous Forward Voltage @ 5.0A DC and 25℃
0.95
1.25
1.7
50
Reverse Current
at Rated DC Blocking Voltage
@ TA = 25℃
@ TA = 100℃
IR
IR
5.0
500
uA
uA
Reverse Recovery Time (Note 1)
Trr
CJ
35
ns
Typical Junction Capacitance (Note 2)
Typical Thermal Resistance (Note 3)
Operating Junction Temperature Range
Storage Temperature Range
45
25
pF
℃/W
℃
R
θ
JA
TJ
-55 to +125
-55 to +150
TS
℃
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.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, acompany
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 25/04/2005
H