FORMOSA SF81

SF81
THRU
SF87
8.0 AMP SUPER FAST RECTIFIERS
VOLTAGE RANGE
50 to 600 Volts
CURRENT
8.0 Amperes
FEATURES
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Good for switching mode application
TO-220A
3.8 f +.2
HOLE THRU
.412
(10.5)
MAX.
.108
(2.75)
.248
(6.3)
.040
(1.0)
MAX.
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Lead solderable per MIL-STD-202,
method 208 guranteed
* Polarity: As Marked
* Mounting position: Any
.050
(1.27)
.595
(15.1)
MAX.
.550
(14.0)
.158
(4.0) MIN.
MAX.
.051 MAX.
(1.3)
.040 MAX.
(1.0)
+
PIN 1
* Weight: 2.24 grams
.180
(4.6)
.200
(5.08)
.120
(3.05)
PIN 1
+
CASE
PIN 2
Case Negative
Suffix "R"
+
CASE
PIN 2
Case Positive
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
SF81
SF82
SF83
SF84
SF85
SF86
50
35
50
100
70
100
150
105
150
200
140
200
300
210
300
400
280
400
.375"(9.5mm) Lead Length at Tc=100 C
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 8.0A
Maximum DC Reverse Current
Tc=25 C
at Rated DC Blocking Voltage
Tc=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range TJ, TSTG
NOTES:
1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
SF87 UNITS
600
420
600
A
8.0
125
1.50
1.30
0.95
10
500
35
50
-65
50
+150
V
V
V
A
V
mA
mA
nS
pF
C
RATING AND CHARACTERISTIC CURVES (SF81 THRU SF87)
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
FIG.1- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
trr
10W
NONINDUCTIVE
( )
D.U.T.
25Vdc
(approx.)
PULSE
GENERATOR
(NOTE 2)
( )
1W
NONINDUCTIVE
|
|
|
|
|
|
|
|
+0.5A
(+)
AVERAGE FORWARD CURRENT,(A)
50W
NONINDUCTIVE
0
-0.25A
(+)
OSCILLISCOPE
(NOTE 1)
-1.0A
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
1cm
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
12
10
8
Single Phase
6
Half Wave 60Hz
Resistive Or Inductive Load
4
2
0
SET TIME BASE FOR
0
25
50
75
100
125
150
175
CASE TEMPERATURE,( C)
50 / 10ns / cm
FIG.3-TYPICAL FORWARD
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
CHARACTERISTICS
1000
REVERSE LEAKAGE CURRENT, (mA)
10
3.0
SF
81~
SF
84
SF
85
~S
F8
6
SF
87
INSTANTANEOUS FORWARD CURRENT,(A)
50
1.0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
0.1
.01
.4
.6
.8
1.0
1.2
1.4 1.6
100
10
Tc=25 C
1.0
0.1
1.8
0
20
40
60
80
100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
FORWARD VOLTAGE,(V)
FIG.6-TYPICAL JUNCTION CAPACITANCE
FIG.5-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
175
125
JUNCTION CAPACITANCE,(pF)
PEAK FORWARD SURGE CURRENT,(A)
Tc=100 C
100
75
Tj=25 C
8.3ms Single Half
Sine Wave
50
JEDEC method
25
150
125
100
75
50
25
0
0
1
5
10
NUMBER OF CYCLES AT 60Hz
50
100
.01
.05
.1
.5
1
REVERSE VOLTAGE,(V)
5
10
50
100