RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
ISF81
THRU
ISF87
GLASS PASSIVATED SUPER FAST RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 8.0 Amperes
FEATURES
*
*
*
*
*
*
*
Low switching noise
Low forward voltage drop
Low thermal resistance
High current capability
Super fast switching speed
High reliability
Good for switching mode circuit
.185(4.7)
.169(4.3)
.134(3.4)
.110(2.8)
ITO-220A
MECHANICAL DATA
*
*
*
*
*
Case: ITO-220 molded plastic
Epoxy: Device has UL flammability classification 94V-O
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 2.24 grams
.114(2.9)
.098(2.5)
.406(10.3)
.382(9.7)
.138(3.5)
.122(3.1)
.04MAX.
(1.0)
.071(1.8)
.055(1.4)
.055(1.4)
.039(1.0)
.035(0.9)
.020(0.5)
.108(2.75)
.091(2.30)
.602(15.3)
.579(14.7)
.154 (3.9)
.138 (3.5)
.531(13.5)
.492(12.5)
.114(2.9)
.098(2.5)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
o
.031(0.8)
.016 (0.4)
Dimensions in inches and (millimeters)
MAXIMUM RATINGS
(At T
A
= 25
o
C unless otherwise noted)
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
C
= 100
o
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Thermal Resistance
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
RθJC
C
J
T
J
, T
STG
50
-55 to + 150
ISF81
50
35
50
ISF82
100
70
100
ISF83
150
105
150
ISF84
200
140
200
8.0
125
3
30
ISF85
300
210
300
ISF86
400
280
400
ISF87
600
420
600
UNITS
Volts
Volts
Volts
Amps
Amps
0
C/ W
pF
0
C
ELECTRICAL CHARACTERISTICS
(At T
A
= 25 C unless otherwise noted)
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 8.0A DC
@T
C
= 25
o
C
Maximum DC Reverse Current
at Rated DC Blocking Voltage
@T
C
= 100
o
C
Maximum Reverse Recovery Time (Note 1)
SYMBOL
V
F
I
R
trr
35
ISF81
ISF82
1.0
10
500
50
ISF83
ISF84
ISF85
1.35
ISF86
ISF87
1.70
UNITS
Volts
uAmps
nSec
2002-12
o
NOTES : 1. Test Conditions: IF = 0.5A, IR = -1.0A, IRR = -0.25A
2. Measured at 1 MHz and applied reverse voltage of 4.0 volts.
3. Suffix “R” for Reverse Polarity.
RATING AND CHARACTERISTIC CURVES ( ISF81 THRU ISF87 )
AVERAGE FORWARD CURRENT, (A)
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE
10
8
6
4
2
0
0
50
100
CASE TEMPERATURE, ( )
150
Single Phase Half Wave
60Hz Inductive or
Resistive Load
FIG. 2 - TYPICAL REVERSE CHARACTERISTICS
1000
INSTANTANEOUS REVERSE CURRENT, (uA)
TC = 100
100
10
TC = 25
PEAK FORWARD SURGE CURRENT, (A)
FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT
150
125
1.0
0.1
100
75
50
25
0
1
2
5
10
20
50
NUMBER OF CYCLES AT 60Hz
100
8.3ms Single Half Sine-Wave
(JEDEC Method)
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK
REVERSE VOLTAGE, (%)
INSTANTANEOUS FORWARD CURRENT, (A)
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
JUNCTION CAPACITANCE, (pF)
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
4
2
1
.1
.2 .4
1.0 2 4
10 20 40
REVERSE VOLTAGE, ( V )
100
TJ = 25
ISF
81~
IS
40
IS
F
84
20
F8
1~
5~
IS
10
4
2
1.0
.4
.2
.1
.6
F8
6
I
87
SF
IS
F84
IS
F8
ISF
85~
ISF
87
TJ=25
Pulse Width = 300uS
1% Duty Cycle
.8
1.0
1.2
1.4
1.6
1.8
INSTANTANEOUS FORWARD VOLTAGE, (V)
2.0
RECTRON
MCU
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