SF81 THRU SF86

SUPER FAST RECTIFIER
SF81 THRU SF86
VOLTAGE RANGE
50 to 400 Volts
CURRENT
8.0 Ampere
FEATURES
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TO-220AC
Glass passivated chip junction
Low power loss, high efficiency
Low leakage
Super fast switching speed
High current capacity, high surge capacity
High temperature soldering guaranteed
200℃/10 second, 0.16″(4.06mm) lead length from case
Also available in reverse polarity, add the “R” Suffix, i.e. SF81R
Also available in isolated package under part number SFF81
MECHANICAL DATA
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Case: Transfer molded plastic
Epoxy: UL94V-0 rate flame retardant
Polarity: Color Band denotes cathode end
Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Weight: 0.08ounce, 2.24 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
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Ratings at 25℃ ambient temperature unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
SYMBOLS
SF81
SF82
Maximum Repetitive Peak Reverse Voltage
VRRM
50
100
Maximum RMS Voltage
VRMS
35
70
Maximum DC Blocking Voltage
VDC
50
100
Maximum Average Forward Rectified Current
At Tc=105℃
Peak Forward Surge Current
8.3ms single half sine wave superimposed on
rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 8.0A
UNIT
Volts
Volts
Volts
IFSM
125
Amps
VF
trr
Storage Temperature Range
SF86
400
280
400
Amps
Maximum Reverse Recovery Time
Test conditions IF =0.5A, IR =1.0A, IRR =0.25A
Operating Junction Temperature Range
SF85
300
210
300
8.0
IR
Typical Thermal Resistance (Note 1)
SF84
200
140
200
I(AV)
Maximum DC Reverse Current at rated TA = 25℃
DC Blocking Voltage
TA = 125℃
Typical Junction Capacitance (Note 2)
SF83
150
105
150
CJ
RθJC
TJ
TSTG
Notes:
1. Unit mounted on heatsink
2. measured at 1.0MHz and applied reverse voltage of 4.0V
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0.975
1.4
10
500
35
µA
50
40
2.5
(-55 to +150)
(-55 to +150)
Volts
nS
pF
℃/W
℃
℃
SUPER FAST RECTIFIER
SF81 THRU SF86
VOLTAGE RANGE
50 to 400 Volts
CURRENT
8.0 Ampere
RATING AND CHRACTERISTIC CURVES SF81 THRU SF86
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
FORWARD SURGE CURRENT
(A)
8.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375″(9.5mm)
Lead Length
4.0
150
CURRENT, (A)
PEAK FORWARD SURGE
AVERAGE FORWARD CURRENT,
12
8.3ms Single Half Sine-Wave
(JEDEC Method) T= Tjmax
100
50
1 Cycle
0
0
50
25
100
75
150
125
175
0
1
2
AMBIENT TEMPERATURE, (° C)
4
6
8 10
40
20
60
100
NUMBER OF CYCLES AT 60 Hz
FIG.4-TYPICAL REVERSE
CHARACTERISTICS PER LEG
FIG.3-TYPICAL INSTANTANEOUS
100
FORWARD CHARACTERISTICS
0V
/20
0/
40
0V
0/ 1
50
30
50
/ 10
(A)
INSTANTANEOUS FORWARD CURRENT,
10
1.0
TJ =25° C
Pulse Width=300us
1% Duty Cycle
0.1
0.4
0.8
1.2
10
(μA)
INSTANTANEOUS REVERSE CURRENT,
TJ =125° C
100
1.0
TJ=25° C
0.1
1.6
INSTANTANEOUS FORWARD VOLTAGE,(V)
0.01
0
20
40
60
100
80
120
140
PERCENT OF RATED PEAK
FIG.5-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(%)
JUNCTION CAPACITANCE,(pF)
100
F1G.6-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
Trr
50Ω
10Ω
NONINDUCTIVE NONINDUCTIVE
+0.5A
(-)
10
(+)
25 Vdc
(approx.)
(-)
TJ =25° C
f=1MHz
Vsig=50mVp-p
1.0
1Ω
NON
INDUCTIVE
PULSE
GENERATIOR
(NOTE 2)
0
-0.25A
(+)
OSCILLOSCOPE
(NOTE 1)
-1.0A
1cm
1
0.1
D.U.T.
10
REVERSE VOLTAGE,(V)
100
NOTES : 1.Rise Time=7ns mas. Input Impedance=
1 magohm. 22pF
2.Rise time=10ns max. Source Impedance=
50 ohms
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SET TIME BASE FOR
50/100ns/cm