RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
SF81S
THRU
SF86S
GLASS PASSIVATED SUPER FAST RECTIFIER
VOLTAGE RANGE 50 to 400 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
.05 (1.27 REF.)
D2PAK
MECHANICAL DATA
*
*
*
*
*
Case: D2PAK molded plastic
Epoxy: Device has UL flammability classification 94V-O
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 2.2 grams
.185 (4.70)
.177 (4.50)
.051 (1.29)
.049 (1.25)
.343 (8.70)
.335 (8.50)
.624 (15.84)
.576 (14.64)
.151 (3.84)
.143 (3.64)
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
.200 (5.08)
.401 (10.19)
.399 (10.13)
.015 (0.381)
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
Rθ J C
C
J
T
J
, T
STG
50
-65 to + 150
SF81S
50
35
50
SF82S
100
70
100
SF83S
150
105
150
8.0
125
3
30
SF84S
200
140
200
SF85S
300
210
300
SF86S
400
280
400
UNITS
Volts
Volts
Volts
Amps
Amps
0
.065 (1.65)
.052 (1.32)
.048 (1.22)
.032 (0.81)
.043 (1.10)
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
Maximum Reverse Recovery Time (Note 1)
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.
@T
C
= 100
o
C
SYMBOL
V
F
I
R
trr
35
SF81S
SF82S
1.0
10
500
50
SF83S
SF84S
SF85S
1.35
SF86S
UNITS
Volts
uAmps
nSec
2001-4
o
RATING AND CHARACTERISTIC CURVES ( SF81S THRU SF86S )
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
SF8
1
S~S
F
40
20
10
4
2
1.0
.4
.2
.1
.6
.7
.8
.9
1.0
1.1
1.2
INSTANTANEOUS FORWARD VOLTAGE, (V)
1.3
S
SF
8
F
~S
1S
84
S
84S
S
F86
~S
5S
F8
SF8
5S~
S
F86
S
TJ=25
Pulse Width = 300uS
1% Duty Cycle
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