SF31 thru SF38
SUPERFAST RECOVERY RECTIFIERS
REVERSE VOLTAGE
- 50
to
600
Volts
FORWARD CURRENT
- 3.0
Amperes
DO- 27
FEATURES
●
Super fast switching time for high efficiency
●
Low forward voltage drop and
high current capabiltiy
●
Low reverse leakage current
●
Plastic material has UL flammability
.052(1.3)
.048(1.2) DIA.
1.0(25.4)
MI
classification 94V-0
.375(9.5)
.335(8.5)
210
MECHANICAL DATA
●
Case: JEDEC DO-27 molded plastic
●
Polarity: Color band denotes cathode
●
Weight: 0.04 ounces , 1.1 grams
●
Mounting position: Any
.220(5.6)
.197(5.0) DIA.
1.0(25.4)
MI
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL 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%
CHARACTERISTICS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward
Rectified Current
Peak Forward Surage Current
8.3ms Single Half Sine-Wave
Super Imposed on Rated Load(JEDEC Method)
Peak Forward Voltage at 3.0A DC(Note1)
Maximum DC Reverse Current
at Rated DC Bolcking Voltage
@T
J
=25℃
@T
J
=100℃
@T
A
=55
℃
SYMBOL
V
RRM
V
RMS
V
DC
I
(AV)
SF31
50
35
50
SF32
100
70
100
SF33
150
105
150
SF34
200
140
200
3.0
SF35
300
210
300
SF36
400
280
400
SF38
600
420
600
UNIT
V
V
V
A
I
FSM
V
F
I
R
Trr
C
J
R
θJA
T
J
T
STG
70
0.95
125
1.25
5.0
100
35
45
20
-55 to +125
-55 to +150
A
V
uA
nS
pF
℃/W
℃
℃
Maximum Reverse Recovery Time(Note 1)
Typical Junction Capacitance (Note2)
Typical Thermal Resistance (Note3)
Operating Temperature Range
Storage Temperature Range
NOTES: 1.Measured with I
F
=0.5A,I
R
=1A,I
RR
=0.25A.
2.Measured at 1.0 MHz and applied reverse voltage of 4.0V DC
3.Thermal resistance junction to ambient,
~ 129 ~
RATING AND CHARACTERTIC CURVES
SF31 thru SF38
FIG. 1
–
FORWARD CURRENT DERATING CURVE
PEAK FORWARD SURGE CURRENT
(AMPERES
)
3.0
AVERAGE FORWARD CURRENT
AMPERES
2.5
2.0
1.5
1.0
0.5
0
25
50
75
100
125
150
175
SINGLE PHASE HALF WAVE 60Hz
RESISTIVE OR INDUCTIVE LOAD
FIG. 2
–
MAXIMUM NON-REPETITIVE SURGE CURRENT
200
150
100
50
PULSE WIDTH 8.3ms
SINGLE HALF-SINE-WAVE
(JEDEC METHOD)
0
1
2
5
10
20
50
100
AMBIENT TEMPERATURE (℃)
NUMBER OF CYCLES AT 60Hz
FIG.3
–
TYPICAL JUNCTION CAPACITANCE
100
100
SF31-SF34
FIG.4-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,
(A)
SF35-SF38
SF31-SF34
10
T
J
= 25°C
PULSE WIDTH 300us
CAPACITANCE, (pF)
10
1.0
SF35-SF38
T
J
= 25°C f = 1 MHz
0.1
1
1
4
10
100
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
REVERSE VOLTAGE, (VOLTS)
INSTANTANEOUS FORWARD VOLTAGE ,VOLTS
~ 130 ~