3.0 AMP SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
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
MECHANICAL DATA
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current Ta=25 C
at Rated DC Blocking Voltage Ta=100 C
Typical Junction Capacitance (Note1)
3.0
80
2.0
20
17
-65 +125
-65 +150
V
V
A
V
mA
mA
pF
NOTES:
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
2. Thermal Resistance Junction to Ambient.
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Metallurgically bonded construction
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.093 grams
SM5820B
SM5822B
THRU
0.500
VOLTAGE RANGE
20 to 40 Volts
CURRENT
3.0 Ampere
UNITS
V
Typical Thermal Resistance R JA (Note 2)
300
SM5820B SM5821B SM5822B
20 30 40
20 30 40
14 21 28
0.475
0.525
A
FEATURES
* Ideal for surface mount applications
* Easy pick and place
* Built-in strain relief
* Low forward voltage drop
Operating
Storage Temperature Range T
STG
Temperature Range T
J
C
C
C/W
Dimensions in inches and (millimeters)
.220(5.59)
.200(5.08)
.185(4.70)
.160(4.06)
.012(0.31)
.006(0.15)
.083(2.11)
.075(1.91)
.096(2.44)
.083(2.13)
.050(1.27)
.030(0.76)
.155(3.94)
.130(3.30)
.008
(.203)
MAX.
DO-214AA(SMB)
0.1
1.0
.01
10
50
RATING AND CHARACTERISTIC CURVES (SM5820B THRU SM5822B)
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
A
V
E
R
A
G
E
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
(
A
)
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
P
E
A
K
F
O
R
W
A
A
R
D
S
U
R
G
E
C
U
R
R
E
N
T
,
(
A
)
FIG.4-TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE,(V)
J
U
N
C
T
I
O
N
C
A
P
A
C
I
T
A
N
C
E
,
(
p
F
)
I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
,
(
A
)
Pulse Width 300us
1% Duty Cycle
0.5
1.0
1.5
2.0
2.5
3.0
0
20
40
60
80
100
120
140
160
180
200
0
700
600
500
400
300
200
100
0
40
20
60
100
80
.01 .05 .1 .5 1 5 10 50 100
.1 .3 .5 .7 .9 1.1 1.3 1.5
3.0
AMBIENT TEMPERATURE ( C)
.1
1.0
10
100
FIG.5 - TYPICAL REVERSE
CHARACTERISTICS
R
E
V
E
R
S
E
L
E
A
K
A
G
E
C
U
R
R
E
N
T
,
(
m
A
)
PERCENTAGE RATED PEAK REVERSE VOLTAGE
0 20 40 60 80 100 120 140
.01
Tj=75 C
Tj=25 C
Tj=25 C
NUMBER OF CYCLES AT 60Hz
1
10
5
50
100
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
FORWARD VOLTAGE,(V)
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