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SM320B SM360B
THRU
3.0 AMP SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
VOLTAGE RANGE
20 to 60 Volts
CURRENT
FEATURES
3.0 Ampere
* Ideal for surface mount applications
* Easy pick and place
* Built-in strain relief
* Low forward voltage drop
MECHANICAL DATA
* 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
.083(2.11)
.075(1.91)
.096(2.44)
.083(2.13)
.050(1.27)
.030(0.76)
Dimensions in inches and (millimeters)
DO-214AA(SMB)
.185(4.70)
.160(4.06)
.008
(.203)
.220(5.59)
.200(5.08)
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 3.0A
Maximum DC Reverse Current Ta=25 C
at Rated DC Blocking Voltage Ta=100 C
Typical Junction Capacitance (Note1)
Typical Thermal Resistance R JA (Note 2)θ
Operating
Storage Temperature Range TSTG
NOTES:
1. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
Temperature Range TJ
SM320B SM330B SM340B SM350B SM360B
20 30 40 50 60
14 21 28 35 42
20 30 40 50 60
3.0
100
0.55 0.75
2.0
20
300
17
-65 +125
-65 +150
.155(3.94)
.130(3.30)
.012(0.31)
.006(0.15)
MAX.
-65 +150
UNITS
V
V
V
A
A
V
mA
mA
pF
C/W
C
C
2. Thermal Resistance Junction to Ambient.
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RATING AND CHARACTERISTIC CURVES (SM320B THRU SM360B)
FIG.1-TYPICAL FORWARD CURRENT DERATING CURVE
3.0
2.5
2.0
1.5
1.0
0.5
AVERAGE FORWARD CURRENT,(A)
0 20 40 60 80 100 120 140 160 180 200
SM320
B~SM34
SM350
B~SM36
0B
0B
AMBIENT TEMPERATURE ( C)
FIG.3-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
100
80
60
8.3ms Single Half
Sine Wave
JEDEC method
40
20
PEAK FORWAARD SURGE CURRENT,(A)
0
1 10 5
Tj=25 C
NUMBER OF CYCLES AT 60Hz
FIG.2-TYPICAL FORWARD
CHARACTERISTICS
50
B
0
34
M
S
10
3.0
2
M3
S
B
~
0
B
6
0
M3
S
0B~
SM35
1.0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
0.1
INSTANTANEOUS FORWARD CURRENT,(A)
.01
.1 .3 .5 .7 .9 1.1 1.3 1.5
FORWARD VOLTAGE,(V)
FIG.5 - TYPICAL REVERSE
50
100
100
CHARACTERISTICS
FIG.4-TYPICAL JUNCTION CAPACITANCE
700
600
500
400
300
200
JUNCTION CAPACITANCE,(pF)
100
0
.01 .05 .1 .5 1 5 10 50 100
REVERSE VOLTAGE,(V)
229
10
1.0
.1
REVERSE LEAKAGE CURRENT, (mA)
.01
0 20 40 60 80 100 120 140
PERCENTAGE RATED PEAK REVERSE VOLTAGE
Tj=75 C
Tj=25 C
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