SEP ELECTRONIC CORP.
SF51 thru SF57
5.0 A Super Fast Recovery Rectifier
Rectifier Reverse Voltage 50 to 600V
DO-27
Features
Diffused junction
Fast switching for high efficiency
High current capability and low Forward
Voltage Drop
Surge overload rating to 150A peak
Low reverse leakage current
Plastic material has UL flammability
classification 94V-0
Mechanical Data
Case: Molded plastic
Terminals: Solder plated solderable per MIL-STD-202,
Method 208
Polarity: Cathode band
Mounting Position: Any
Weight: 1.10 grams (approx)
.052(1.3)
.048(1.2)
1.0(25.4)
MIN.
.375(9.5)
.285(7.2)
.220(5.6)
.197(5.0)
1.0(25.4)
MIN.
All dimensions inches and (millimeters)
Maximum Ratings & Thermal Characteristics
Rating at 25 C ambient temperature unless otherwise specified, Resistive or Inductive load, 60 Hz.
For Capacitive load derate current by 20%.
Parameter
Symbol SF51 SF52 SF53 SF54 SF55 SF56 SF57 unit
Maximum repetitive peak reverse voltage
VRRM 50 100 150 200 300 400 600 V
Maximum RMS bridge input voltage
VRMS 35 70 105 140 210 280 420 V
Maximum DC blocking voltage
VDC 50 100 150 200 300 400 600 V
Maximum average forward rectified
output current at TA=55 C
IF(AV)
5.0
A
Peak forward surge current single sine-wave
superimposed on rated load (JEDEC Method)
IFSM
150
A
Maximum reverse recovery time TJ=25 C
Trr
35
nS
Typical thermal resistance per element
ReJA
30
/W
Typical junction capacitance per element
Operating junction and storage temperature
range
Cj
TJ,
TSTG
50
-55 to + 150
pF
Electrical Characteristics
Rating at 25 C ambient temperature unless otherwise specified. Resistive or Inductive load, 60Hz.
For Capacitive load derate by 20 %.
Parameter
Symbol SF51 SF52 SF53 SF54 SF55 SF56
Maximum instantaneous forward voltage drop
per leg at 5.0A
VF
0.95
1.25
Maximum DC reverse current at rated TA =25 C IR
DC blocking voltage per element TA =125 C
10
100
SF57 Unit
1.50 V
A
2003 SEP ELECTRONIC CORP.
www.sep.net.cn M099
