SUPER FAST RECOVERY RECTIFIER
SF21 THRU SF28
FEATURES
•
•
•
•
•
VOLTAGE RANGE
CURRENT
50 to 600 Volts
2.0Ampere
DO-15
.034(0.9)
.028(0.7)
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
.300(7.6)
.230(5.8)
.140(3.6)
.104(2.6)
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: 0.014ounce, 0.39grams
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 @ 2.0A
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
21
50
35
50
SF
22
100
70
100
SF
23
150
105
150
SF
24
200
140
200
2.0
50
SF
25
300
210
300
SF
26
400
280
400
SF
27
500
350
500
SF
UNITS
28
600 Volts
420 Volts
600 Volts
Amp
Amps
0.95
5.0
50
35
30
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
20
40
(-55 to +150)
(-55 to +150)
PF
℃
/W
℃
℃
Notes:
1. Thermal resistance from junction to ambient with .375”(9.5mm)lead length, P.C.B. mounted. .
Web Site: WWW.PS-PFS.COM
SUPER FAST RECOVERY RECTIFIER
SF21 THRU SF28
VOLTAGE RANGE
CURRENT
50 to 600 Volts
2.0Ampere
RATING AND CHRACTERISTIC CURVES SF21 THRU SF28
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
80
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
3.0
AVERAGE FORWARD CURRENT,
70
PEAK FORWARD SURGE
60
8.3ms Single Half Sine-Wave
(JEDEC Method) Tj=Tjmax
20.
CURRENT, (A)
50
(A)
40
1.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375"(9.5mm)Lead Length
30
20
10
1 Cycle
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 FORWARD CURRENT,
1.0
INSTANTANEOUS REVERSE CURRENT,
(UA)
SF
21
-24
25
-2
6
27-
28
1.0
SF
T
j
=125° C
(A)
0.1
SF
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)
SF11-SF14
SF15-SF18
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
Vsig=50mVp-p
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)
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