- 120 -
SRAF820 THRU SRAF8100
Isolation 8.0 AMPS. Schottky Barrier Rectifiers
Voltage Range
20 to 100 Volts
Current
8.0 Amperes
Features
Low forward voltage drop
High current capability
High
reliability
High surge current capability
Mechanical Data
Cases: ITO-220AC molded plastic
Epoxy: UL 94V-O rate flame retardant
Terminals: Leads solderable per
MIL-STD-202, Method 208 guaranteed
Polarity:
As
marked
High temperature soldering guaranteed:
260
O
C/10 seconds/.25",(6.35mm) from
case.
Weight: 2.24 grams
ITO-220AC
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25
ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Symbol SRAF
820
SRAF
830
SRAF
840
SRAF
850
SRAF
860
SRAF
890
SRAF
8100
Units
Maximum Recurrent Peak Reverse Voltage
V
RRM
20
30
40
50
60
90
100
V
Maximum RMS Voltage
V
RMS
14
21
28
35
42
63
70
V
Maximum DC Blocking Voltage
V
DC
20
30
40
50
60
90
100
V
Maximum Average Forward Rectified Current
See Fig. 1
I
(AV)
8.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated Load
(JEDEC method )
I
FSM
150 A
M
aximum
I
nstantaneous
F
orward
V
oltage
@8.0A
V
F
0.55 0.70
0.75
V
Maximum D.C. Reverse Current @ Tc=25
at Rated DC Blocking Voltage @ Tc=100
I
R
0.5
50
mA
mA
Typical Thermal Resistance (Note 1)
R
JC
5.0
/W
Typical Junction Capacitance (Note 2)
Cj 430
360 pF
Operating Junction Temperature Range
T
J
-65 to +125
-65 to +150
Storage Temperature Range
T
STG
-65 to +150
Notes: 1. Thermal Resistance from Junction to Case Per Leg with Heat sink (2"x3"x0.25") Al-Plate.
2. Measured at 1MHz and Applied Reverse Voltage of 4.0V D.C.
.071(1.8)
MAX
.161(4.1)
.146(3.7)
.118(3.00)
.124(3.16)
.185(4.7)
.173(4.4)
.272(6.9)
.248(6.3)
.063(1.6)
MAX
.100(2.55)
.543(13.8)
.512(13.2)
.100(2.55)
.110(2.8)
.098(2.5)
.606(15.5)
.583(14.8)
.112(2.85)
.100(2.55)
.406(10.3)
.390(9.90)
.134(3.4)DIA
.113(3.0)DIA
2
- 121 -
RATINGS AND CHARACTERISTIC CURVES (SRAF820 THRU SR
8100)
AF
FIG.3- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK
FOR
W
ARD
SURGE
CURRENT
.
(A)
1
2
5
10
20
100
50
25
50
125
100
150
175
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
JEDEC Method
FIG.5- TYPICAL FORWARD CHARACTERISTICS
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
.
(A)
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
0.1
1.0
10
50
FORWARD VOLTAGE. (V)
FIG.4- TYPICAL JUNCTION CAPACITANCE
JUNCTION
CAP
ACIT
ANCE.(pF)
0.1
0.4
1.0
4
10
40
100
100
200
400
600
1000
800
2000
4000
REVERSE VOLTAGE. (V)
Tj=25 C
0
SRAF850-
100
SRAF8
SRAF820-
40
SRAF8
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
A
VERAGE
FOR
W
ARD
CURRENT
.
(A)
0
50
100
150
0
2
4
6
8
10
CASE TEMPERATURE. ( C)
o
SRAF850-
0
SRAF810
SR
820-
40
AF
SRAF8
FIG.2- TYPICAL REVERSE CHARACTERISTICS
INST
ANT
ANEOUS
REVERSE
CURRENT
.
(mA)
20
40
60
80
100
120
10
1
0.1
0.01
0.001
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
Tj=1
00 C
0
Tj=25 C
0
Tj=75 C
0
Tj=25 C
Pulse Width=300 s
1% Duty Cycle
o
140
0
SRAF850-
0
SRAF86
SRAF820-
40
SRAF8
SRAF890-
100
SRAF8
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