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  Datasheet File OCR Text:
 SF21 THRU SF28
Reverse Voltage - 50 to 600 Volts
SUPER FAST RECOVERY SILICON RECTIFIER
Forward Current - 2.0 Ampere
FEATURES

DO-15
The plastic package carries Underwriters Laboratory Flammability Classification 94V-0 Super fast switching for high efficiency Low reverse leakage High forward surge current capability High temperature soldering guarantteed: 250 C/10 seconds,0.375"(9.5mm) lead length, 5 lbs. (2.3kg) tension
1.0 (25.4) MIN. 0.140(3.6) 0.104(2.6) DIA.
MECHANICAL DATA
Case: JEDEC DO-15 molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.014 ounce, 0.40 grams
0.300(7.6) 0.230(5.8)
1.0 (25.4) MIN. 0.034(0.9) 0.028(0.7) DIA.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified. Single phase half-wave 60Hz,resistive or inductive load,for current capacitive load current derate by 20%.
Characteristic
Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375"(9.5mm) lead length at TA=55 C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum instantaneous forward voltage at 2.0A Maximum DC reverse current TA=25 C at rated DC blocking voltage TA=100 C Maximum reverse recovery time (NOTE 1) Typical junction capacitance (NOTE 2) Typical thermal resistance (NOTE 3) Operating junction and storage temperature range
SYMBOLS
SF21
SF22
SF23
SF24
SF25
SF26
SF28
UNITS V V V A A
VRRM VRMS VDC I(AV) IFSM VF IR trr CJ R JA TJ,TSTG
50 35 50
100 70 100
150 105 150
200 140 200 2.0 50.0
300 210 300
400 280 400
600 420 600
0.95 5.0 50.0 35 60.0 50.0 -65 to +150
1.25
V
A
ns 30.0 pF C/W C
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A 2.Measured at 1MHz and applied reverse voltage of 4.0V D.C. 3.Thermal resistance from junction to ambient at 0.375"(9.5mm)lead length,P.C.B. mounted
SF21 THRU SF28
RATINGS AND CHARACTERISTIC CURVES
AVERAGE FORWARD RECTIFIED CURRENT, AMPERES
FIG. 1- FORWARD CURRENT DERATING CURVE
PEAK FORWARD SURGE CURRENT, AMPERES
2.0
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
50
1.6
40
1.2
30
0.8
Single Phase Half Wave 60Hz Resistive or inductive Load
20
0.4
10
8.3ms SINGLE HALF SINE-WAVE (JEDEC Method)
0
0
25
50
75
100
125
150
175
0
1
10
100
AMBIENT TEMPERATURE, C
NUMBER OF CYCLES AT 60 Hz
FIG. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
20 10
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
1,000
INSTANTANEOUS FORWARD CURRENT,AMPERES
TJ=25 C PULSE WIDTH=300 ms 1%DUTY CYCLE
INSTANTANEOUS REVERSE CURRENT, MICROAMPERES
100
1
10 TJ=100 C 1
0.1
SF21-SF24 SF25-SF28
0 0.4 0.8 1.2 1.6 1.8
0.1 TJ=25 C 0.01
0.01
INSTANTANEOUS FORWARD VOLEAGE, VOLTS
0
20
40
60
80
100
PERCENT OF PEAK REVERSE VOLTAGE,%
FIG. 5-TYPICAL JUNCTION CAPACITANCE
TRANSIENT THERMAL IMPEDANCE, C/W
200 100 TJ=25 C 100
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
JUNCTION CAPACITANCE, pF
10
10
1
SF21-SF24 SF25-SF28
1
0.1
0.01
0.1
1
10
100
0.1
1.0
10
100
REVERSE VOLTAGE,VOLTS
t,PULSE DURATION,sec.


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