SF21 THRU SF28
SUPER FAST RECTIFIER
Reverse Voltage - 50 to 600 Volts Forward Current - 2.0 Amperes
DO-15
FEATURES
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
1.0 (25.4)
MIN.
Super fast switching for high efficiency
Low reverse leakage
0.140(3.6)
0.104(2.6)
DIA.
High forward surge current capability
High temperature soldering guarantteed:
250 C/10 seconds,0.375”(9.5mm) lead length,
5 lbs. (2.3kg) tension
0.300(7.6)
0.230(5.8)
MECHANICAL DATA
1.0 (25.4)
MIN.
Case: JEDEC DO-15 molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
0.034(0.9)
0.028(0.7)
DIA.
Polarity: Color band denotes cathode end
Mounting Position: Any
Dimensions in inches and (millimeters)
Weight:0.014 ounce, 0.40 grams
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%.
SYMBOLS
UNITS
SF21 SF22 SF23 SF24 SF25 SF26 SF28
Maximum repetitive peak reverse voltage
Maximum RMS voltage
50
35
50
100
70
150 200
105 140
150 200
300
210
300
400
280
400
600
420
600
VOLTS
VOLTS
VOLTS
VRRM
VRMS
VDC
100
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length at TA=55 C
Peak forward surge current
I(AV)
2.0
Amps
IFSM
VF
50.0
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Amps
Volts
0.95
1.25
Maximum instantaneous forward voltage at 2.0A
Maximum DC reverse current
at rated DC blocking voltage
Maximum reverse recovery time
TA=25 C
TA=100 C
(NOTE 1)
5.0
50.0
u
A
IR
trr
ns
35
Typical junction capacitance (NOTE 2)
CJ
RqJA
pF
C/W
C
60.0
30.0
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
50.0
TJ,TSTG
-65 to +150
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
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