SEP ELECTRONIC CORP.
SM4933 thru SM4937
1.0 A Surface Mount Fast Recovery Rectifier
Rectifier Reverse Voltage 50 to 600V
SMA / DO-214AC
Features
Ideal for surface mounted applications
Fast switching for high efficiency
High current capability and low Forward
Voltage Drop
Surge overload rating to 30A peak
Low reverse leakage current
.087(2.2)
Plastic material has UL flammability
classification 94V-0
Mechanical Data
.071(1.8)
.177(4.8)
Soldering Pad
Case: Molded plastic
Terminals: Solder plated solderable per MIL-STD-202,
Method 208
Polarity: Cathode indicated with color band
Weight: 0.063 grams (approx)
.177(4.50)
.157(3.99)
.058(1.47)
.052(1.32)
.090(2.29)
.078(1.98)
.060(1.52)
.030(0.76)
.208(5.26)
.194(4.93)
.110(2.79)
.100(2.54)
.090(2.29)
.078(1.98)
.005(.127)
max.
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 SM4933 SM4934 SM4935 SM4936 SM4937 unit
Maximum repetitive peak reverse voltage
VRRM
50
100
200
400 600 V
Maximum RMS bridge input voltage
VRMS
35
70
140
280 420 V
Maximum DC blocking voltage
VDC
50
100
200
400 600 V
Maximum average forward rectified
output current at TA=75 C
IF(AV)
1.0
A
Peak forward surge current single sine-wave
superimposed on rated load (JEDEC Method)
IFSM
30.0
A
Maximum reverse recovery time TJ=25 C
Trr
150
nS
Typical thermal resistance per element
ReJA
50
/W
Typical junction capacitance per element
Operating junction and storage temperature
range
Cj
TJ,
TSTG
15
-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 SM4933 SM4934 SM4935 SM4936 SM4937 Unit
Maximum instantaneous forward voltage drop
per leg at 1.0A
VF
1.3
V
Maximum DC reverse current at rated TA =25 C IR
DC blocking voltage per element
5.0
A
2003 SEP ELECTRONIC CORP.
www.sep.net.cn M099
