SUPER FAST RECOVERY RECTIFIER
SF31 THRU SF38
FEATURES
•
•
•
•
•
VOLTAGE RANGE
CURRENT
50 to 600 Volts
3.0Ampere
DO-27
.052(1.3)
.048(1.2)
1.0(25.4)
MIN.
DIA.
Low coat construction
Fast switching for high efficency.
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
260℃/10 secods/.375”(9.5mm)lead length at 5 lbs(2.3kg) tension
.375(9.5)
.335(8.5)
.220(5.6)
.197(5.0)
1.0(25.4)
MIN.
DIA.
MECHANICAL DATA
•
•
•
•
•
•
Case: Transfer molded plastic
Epoxy: UL94V-O rate flame retardant
Polarity: Color band denotes cathode end
Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Weight: 0.042ounce, 1.19grams
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
•
•
•
Ratings at 25
O
C ambient temperature unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
SYMBOLS
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
0.375”(9.5mm) lead length at T
A
= 55℃
Peak Forward Surge Current
8.3mS single half sine wave superimposed on
rated load (JEDEC method)
Maximum Instantaneous Forward Voltage @ 3.0A
Maximum DC Reverse Current at Rated
DC Blocking Voltage
T
A
= 25℃
T
A
= 125℃
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
trr
C
J
R
θJA
T
J
T
STG
SF
31
50
35
50
SF
32
100
70
100
SF
33
150
105
150
SF
34
200
140
200
5.0
125
SF
35
300
210
300
SF
36
400
280
400
SF
37
500
350
500
SF
UNITS
38
600 Volts
420 Volts
600 Volts
Amp
Amps
0.95
5.0
50
35
50
1.25
1.7
Volts
µA
ns
Maximum Reverse Recovery Time
Test conditions IF=0.5A,IR=1.0A,IRR=0.25A
Typical Thermal Capavitance
(Measured at 1.0MHz and applied rever voltage of 4.0V)
Typical Thermal Resistance(NOTE 1)
Operating Junction Temperature Range
Storage Temperature Range
30
30
(-55 to +150)
(-55 to +150)
PF
℃
/W
℃
℃
Notes:
1. Thermal resistance from junction to ambient with .375”(9.5mm)lead length, PCB. mounted. .
Web Site: WWW.PS-PFS.COM
SUPER FAST RECOVERY RECTIFIER
SF31 THRU SF38
VOLTAGE RANGE
CURRENT
50 to 600 Volts
3.0Ampere
RATING AND CHRACTERISTIC CURVES SF31 THRU SF38
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
3.0
AVERAGE FORWARD CURRENT,
(A)
150
PEAK FORWARD SURGE
8.3ms Single Half Sine-Wave
(JEDEC Method) Tj=Tjmax
2.0
1.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375"(9.5mm)Lead Length
CURRENT, (A)
100
50
1 Cycle
0
1
2
0
0
25
50 55
75
100
125
150
175
4
6
8
10
20
40
60
100
AMBIENT TEMPERATURE, (° C)
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
10
INSTANTANEOUS FORW ARD CURRENT,
1.0
INSTANTANEOUS REVERSE CURRENT,
(UA)
4
31
-3
35
-3
6
7-3
8
SF
1.0
SF
T
j
=125° C
(A)
0.1
SF 3
0.1
0.01
T
j
=25° C
Tj =25° C
Pulse Width=300us
1% Duty Cycle
0.001
0.4
0.01
0
20
40
60
80
100
120
140
0.6
0.8
1.0
1.2
1.4
1.6
1.8
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
JUNCTION CAPACITANCE,(pF)
FIG.6-TEST CIRCUIT DIAGRAM AND
REVERSE REXOVERY TIME CHARACTERISTIC
Trr
+0.5A
50Ω
NONINDUCTIVE
10Ω
NONINDUCTIVE
(-)
0
0.25A
10
(+)
25 Vdc
（approx）
(-)
D.U.T
PULSE
GENERATIOR
(NOTE 2)
1Ω
NON
INDUCTIVE
OSCILLOSCOPE
(NOTE 1)
-1.0A
1cm
TJ=25° C F=1MHz
V sig=50mVp-p
SF31-SF34
SF35-SF38
1.0
0.1
1.0
10
100
NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF
2.Rise time=10ns max.Source Impedance=50 ohms
SET TIME BASE FOR
50 /100NS /cm
REVERSE VOLTAGE,(V)
Web Site: WWW.PS-PFS.COM
Analog electronics
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