Frontier Electronics Corp.
667 E. COCHRAN STREET, SIMI VALLEY, CA 93065
TEL: (805) 522-9998
FAX: (805) 522-9989
E-mail:
frontiersales@frontierusa.com
Web:
http://www.frontierusa.com
1A SURFACE MOUNT FAST RECOVERY RECTIFIERS
SM4933 THRU SM4937
FEATURES
FAST SWITCHING
GLASS PASSIVATED DEVICE
IDEAL FOR SURFACE MOUNTED APPLICATIONS
LOW LEAKAGE CURRENT
FAST SWITCHING TIME
SOLDERABLE ENDS
.105(2.67)
.095(2.41)
.022(.60)
.018(.46)
MECHANICAL DATA
CASE: TRANSFER MOLDED, MELF, DIMENSIONS
IN INCHES AND (MILLIMETERS
TERMINALS: SOLDERABLE PER MIL-STD-750, METHOD 2026
POLARITY: CATHODE INDICATED BY COLOR BAND
WEIGHT: 0.135 GRAMS
.205(5.2)
.190(4.8)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS RATINGS AT 25°C AMBIENT TEMPERATURE UNLESS OTHERWISE SPECIFIED
SINGLE PHASE, HALF WAVE, 60 HZ, RESISTIVE OR INDUCTIVE LOAD. FOR CAPACITIVE LOAD, DERATE CURRENT BY 20%
RATINGS
MAXIMUM RECURRENT PEAK REVERSE VOLTAGE
MAXIMUM RMS VOLTAGE
MAXIMUM DC BLOCKING VOLTAGE
MAXIMUM AVERAGE FORWARD RECTIFIED CURRENT
AT TL=75°C
PEAK FORWARD SURGE CURRENT, 8.3ms SINGLE HALF
SINE-WAVE SUPERIMPOSED ON RATED LOAD
TYPICAL JUNCTION CAPACITANCE (NOTE 1)
STORAGE TEMPERATURE RANGE
OPERATING TEMPERATURE RANGE
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
C
J
T
STG
T
OP
SM4933
50
35
50
SM4934
100
70
100
SM4935
200
140
200
1.0
30
15
- 55 TO + 150
- 55 TO + 150
SM4936
400
280
400
SM4937
600
420
600
UNITS
V
V
V
A
A
PF
℃
℃
ELECTRICAL CHARACTERISTICS (A
T
T
A
=25°C UNLESS OTHERWISE NOTED)
CHARACTERISTICS
MAXIMUM FORWARD VOLTAGE AT Io DC
MAXIMUM REVERSE CURRENT AT 55℃
SYMBOL
V
F
I
R
SM4933
SM4934
SM4935
1.3
5.0
150
SM4936
SM4937
UNITS
V
μA
nS
MAXIMUM REVERSE RECOVERY TIME (NOTE 2)
T
RR
NOTE: 1. MEASURED AT 1 MHZ AND APPLIED REVERSE VOLTAGE 0F 4.0 VOLTS
2. REVERSE RECOVERY TEST CONDITIONS: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
SM4933 THRU SM4937
Page: 1
RATING AND CHARACTERISTIC CURVES SM4933 THRU SM4937
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50Ω
NO INDUCTIVE
10Ω
NO INDUCTIVE
FIG. 2 - TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURREWT
’
(A)
1.0
.8
.6
.4
.2
0
0
25
50
75
100 125
150
175
Trr
(-)
+0.5A
D.U.T.
(+)
25 V
dc
(approx)
PULSE
GENERATOR
( NOTE 2 )
1Ω
NON
INDUCTIVE
OSCILLOSCOPE
( NOTE 1 )
0
-0.25A
(-)
(+)
Single Phase
Half Wave 60H
z
Resistive or
Inductive Load
NOTE: 1. RISE TIME=7ns MAX. INPUT
IMPEDANCE=1 MOhms 22PF
2. RISE TIME =10ns MAX. SOURCE
IMPEDANCE=50 OHMS
-1.0A
1cm
SET TIME BASE
FOR
TERMINAL TEMPERATURE
’
(℃)
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT
’
(
U
A)
10
4
1.0
.4
.1
.04
.01
0
20
40
60
80
100
120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE
’
(%)
INSTANTANEOUS FORWRD CURRENT
’
(A)
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
10
T
J
=100℃
T
J
=25℃
pulse Width=300
us
1% Duty Cycle
1.0
0.1
T
J
=25℃
.01
.6
.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE
’
(V)
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT
’
(A)
50
200
JUNCTION CAPACITANCE
’
(
P
F)
40
100
60
40
20
10
6
4
2
1
.1 .2
.4
1.0
2
4
10 20
40
100
T
J
=25℃
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
30
8.3ms Single Hhalf
9.Sine-Wave (JEDEC Method
20
10
0
1
2
4 6 8 10
20
40 60 80100
NUMBER OF CYCLES AT 60H
Z
REVERSE VOLTAGE
’
(V)
SM4933 THRU SM4937
Page: 2
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