- 116 -
.412(10.5)
MAX
.185(4.70)
.175(4.44)
.055(1.40)
.045(1.14)
.27(6.86)
.23(5.84)
.11(2.79)
.10(2.54)
.025(0.64)
.014(0.35)
.154(3.91)
.148(3.74)
DIA
PIN1
2
.113(2.87)
.103(2.62)
.16(4.06)
.14(3.56)
.037(0.94)
.027(0.68)
.205(5.20)
.195(4.95)
.594(15.1)
.587(14.9)
.56(14.22)
.53(13.46)
PIN 1
PIN 2
Case Positive
CASE
SRA820 THRU SRA8200
8.0 AMPS. Schottky Barrier Rectifiers
Voltage Range
20 to 200 Volts
Current
8.0 Amperes
Features
Low forward voltage drop
High current capability
High
reliability
High surge current capability
Mechanical Data
Cases: TO-220A 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
TO-220A
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
SRA
820
SRA
830
SRA
840
SRA
850
SRA
860
SRA
890
SRA
8100
SRA
8200
Units
Maximum Recurrent Peak Reverse Voltage
V
RRM
20
30
40
50
60
90 100 200
V
Maximum RMS Voltage
V
RMS
14
21
28
35
42
63
70 140
V
Maximum DC Blocking Voltage
V
DC
20
30
40
50
60
90 100 200
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
0.92
1.05
V
Maximum D.C. Reverse Current @ Tc=25
at Rated DC Blocking Voltage @ Tc=100
I
R
0.5
50
0.009
10
mA
mA
Typical Thermal Resistance (Note 1)
R
JC
4.0
/W
Typical Junction Capacitance (Note 2)
Cj 400
300 250
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.
- 117 -
RATINGS AND CHARACTERISTIC CURVES (SRA820 THRU SRA8200)
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
10
50
FORWARD VOLTAGE. (V)
SR
A8
50
-6
0
SRA820-40
FIG.4- TYPICAL JUNCTION CAPACITANCE
JUNCTION
CAP
ACIT
ANCE.(pF)
0.1
0.4
1
4
10
40
100
100
200
400
600
1000
800
2000
4000
REVERSE VOLTAGE. (V)
Tj=25 C
0
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
SRA850-8200
SRA820-40
FIG.2- TYPICAL REVERSE CHARACTERISTICS
INST
ANT
ANEOUS
REVERSE
CURRENT
.
(mA)
20
40
60
80
100
120
0.001
0.01
0.1
1
10
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
Tj=125
C
0
Tj=25 C
0
Tj=75 C
0
Tj=25 C
Pulse Width=300 s
1% Duty Cycle
o
SR
A82
0-8
60
SR
A82
00
SR
A8
90
-1
00
SR
A8
20
0
SR
A89
0-1
00
0
140
75
SRA820-SRA8100
SRA8200
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