RECOVERY RECTIFIER. SF21 Datasheet

SF21 RECTIFIER. Datasheet pdf. Equivalent

Part SF21
Description SUPER FAST RECOVERY RECTIFIER
Feature SUPER FAST RECOVERY RECTIFIER SF21 THRU SF28 VOLTAGE RANGE CURRENT 50 to 600 Volts 2.0Ampere FEA.
Manufacture MIC
Datasheet
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SF21
SUPER FAST RECOVERY RECTIFIER
SF21 THRU SF28
VOLTAGE RANGE
CURRENT
50 to 600 Volts
2.0Ampere
FEATURES
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
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
1.0(25.4)
MIN.
.300(7.6)
.230(5.8)
1.0(25.4)
MIN.
.034(0.9)
.028(0.7)
DIA.
DO-15
.140(3.6) DIA.
.104(2.6)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25OC ambient temperature unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
SF
SYMBOLS 21
SF
22
SF
23
SF SF SF SF SF
24 25 26 27 28
Maximum Repetitive Peak Reverse Voltage
VRRM 50 100 150 200 300 400 500 600
Maximum RMS Voltage
VRMS 35 70 105 140 210 280 350 420
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
0.375(9.5mm) lead length at TA= 55
Peak Forward Surge Current
8.3mS single half sine wave superimposed on
rated load (JEDEC method)
VDC 50 100 150 200 300 400 500 600
I(AV)
2.0
IFSM
50
Maximum Instantaneous Forward Voltage @ 2.0A
VF
0.95
1.25 1.7
Maximum DC Reverse Current at Rated
DC Blocking Voltage
TA = 25
TA = 125
IR
5.0
50
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)
trr
CJ
35
30 20
Typical Thermal Resistance(NOTE 1)
RθJA
40
Operating Junction Temperature Range
TJ
(-55 to +150)
Storage Temperature Range
TSTG
(-55 to +150)
Notes:
1. Thermal resistance from junction to ambient with .375(9.5mm)lead length, P.C.B. mounted. .
UNITS
Volts
Volts
Volts
Amp
Amps
Volts
µA
ns
PF
/W
E-mail: sales@cnmic.com Web Site: www.cnmic.com



SF21
SF21 THRU SF28
SUPER FAST RECOVERY RECTIFIER
VOLTAGE RANGE
CURRENT
50 to 600 Volts
2.0Ampere
RATING AND CHRACTERISTIC CURVES SF21 THRU SF28
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
3.0
20.
1.0
0
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375"(9.5mm)Lead Length
25 50 55 75 100 125 150
AMBIENT TEMPERATURE, (° C)
175
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
80
70
8.3ms Single Half Sine-Wave
60 (JEDEC Method) Tj=Tjmax
50
40
30
20 1 Cycle
10 1
2
4 6 8 10
20
40 60
NUMBER OF CYCLES AT 60 Hz
100
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
1.0
0.1
0.01
Tj =25° C
Pulse Width=300us
1% Duty Cycle
0.001
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
SF11-SF14
SF15-SF18
10
TJ=25° C F=1MHz
Vsig=50mVp-p
1.0
0.1 1.0 10
REVERSE VOLTAGE,(V)
100
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
10
1.0 Tj =125° C
0.1
Tj =25° C
0.01
0
20 40 60 80 100 120 140
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
FIG.6-TEST CIRCUIT DIAGRAM AND
REVERSE REXOVERY TIME CHARACTERISTIC
50Ω
NONINDUCTIVE
10Ω
NONINDUCTIVE
(+)
25 Vdc
app rox
(-)
D.U.T
1Ω
NON
INDUCTIVE
(-)
PULSE
GENERATIOR
(NOTE 2)
OSCILLOSCOPE
(NOTE 1)
+0.5A
0
0.25A
-1.0A
NOTE: 1.Rise Time =7ns max.Input Impedance=1megohm.22pF
2.Rise time=10ns max.Source Impedance=50 ohms
Trr
1cm
SET TIME BASE FOR
50 /100NS /cm
E-mail: sales@cnmic.com Web Site: www.cnmic.com





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