SR820
THRU
SR860
8.0 AMP SCHOTTKY BARRIER RECTIFIERS
VOLTAGE RANGE
20 to 60 Volts
CURRENT
FEATURES
* Low forward voltage drop
* High current capability
* High reliability
* High surge current capability
* Epitaxial construction
.412
(10.5)
MAX.
8.0 Amperes
3.8
φ
+.2
HOLE THRU
.248
(6.3)
TO-220A
.180
(4.6)
.050
(1.27)
.108
(2.75)
.040
(1.0)
MAX.
.051 MAX.
(1.3)
.040 MAX.
(1.0)
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
* Weight: 2.24 grams
.595
(15.1)
MAX.
.158
(4.0)
MAX.
.200
(5.08)
+
CASE
.550
(14.0)
MIN.
PIN 1
PIN 2
+
.120
(3.05)
PIN 1
+
CASE
PIN 2
Case Negative
Suffix "R"
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
See Fig. 1
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
Ta=25 C
at Rated DC Blocking Voltage
Ta=100 C
Typical Junction Capacitance (Note1)
Typical Thermal Resistance R
θ
JC (Note 2)
Operating Temperature Range T
J
Storage Temperature Range T
STG
NOTES:
SR820 SR830 SR835 SR840 SR845 SR850 SR860 UNITS
20
30
35
40
45
50
60
V
14
21
24
28
31
35
42
V
V
20
30
35
40
45
50
60
8.0
150
0.65
5.0
50
700
3.0
-65
+125
-65
+150
-65
+150
460
0.75
A
A
V
mA
mA
pF
C/W
C
C
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance Junction to Case.
34
RATING AND CHARACTERISTIC CURVES (SR820 THRU SR860)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
12
10
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
50
INSTANTANEOUS FORWARD CURRENT,(A)
20
~S
R
84
5
8
SR
6
4
2
0
10
5.0
SR
8
0
20
40
60
80
100
120
140
160
180
200
1.0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
CASE TEMPERATURE,( C)
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
250
0.1
PEAK FORWARD SURGE CURRENT,(A)
200
.01
.1
.3
.5
SR
8
50
~S
R8
60
SR
82
0~
8
SR
45
85
0~
SR
86
0
.7
.9
1.1
1.3
1.5
150
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
FORWARD VOLTAGE,(V)
100
50
FIG.5 - TYPICAL REVERSE
0
1
5
10
50
100
CHARACTERISTICS
100
NUMBER OF CYCLES AT 60Hz
FIG.4-TYPICAL JUNCTION CAPACITANCE
2800
2400
2000
1600
1200
800
400
0
JUNCTION CAPACITANCE,(pF)
REVERSE LEAKAGE CURRENT, (mA)
10
1.0
Tj=75 C
SR
820
~S
R
8 45
.1
Tj=25 C
SR8
50~S
R 86 0
.01
.05
.1
.5
1
5
10
50
100
.01
0
20
40
60
80
100 120 140
REVERSE VOLTAGE,(V)
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
35
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