SB320 THRU SB360
MEDIUM CURRENT SCHOTTKY BARRIER RECTIFIER
Reverse Voltage -
20 to 60 Volts
DO-201AD
Forward Current -
3.0 Amperes
FEATURES
♦
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
♦
Metal to silicon rectifier, majority
carrier conduction
♦
Low power loss,
high efficiency
♦
High current capability,
low V
F
♦
High surge capacity
♦
Epitaxial construction
♦
Guardring for transient protection
♦
For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
♦
High temperature soldering guaranteed:
250°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3 kg) tension
1.0 (25.4)
MIN.
0.210 (5.3)
0.190 (4.8)
DIA.
0.375 (9.5)
0.285 (7.2)
0.052 (1.32)
0.048 (1.22)
DIA.
1.0 (25.4)
MIN.
MECHANICAL DATA
Case:
JEDEC DO-201AD molded plastic body
Terminals:
Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes cathode
Mounting Position:
Any
Weight:
0.04 ounces, 1.12 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOLS
SB320
SB330
SB340
SB350
SB360
UNITS
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current at
0.375" (9.5mm) lead length
(SEE FIG. 1)
Peak forward surge current, 8.3ms single
half sine-wave superimposed on rated load
(JEDEC Method)
Maximum instantaneous forward voltage at 3.0A
(NOTE 1)
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
20
14
20
30
21
30
40
28
40
3.0
80.0
50
35
50
60
42
60
Volts
Volts
Volts
Amps
Amps
V
F
0.50
0.5
20.0
0.74
Volts
Maximum instantaneous reverse current at rated
DC blocking voltage
(NOTE 1)
T
A
=25°C
T
A
=100°C
Typical thermal resistance
(NOTE 1)
Operating junction temperature range
Storage temperature range
I
R
R
ΘJA
R
ΘJL
T
J
T
STG
-65 to +125
mA
10.0
40.0
10.0
-65 to +150
-65 to +150
°C/W
°C
°C
NOTES:
(1) Pulse test: 300µs pulse width, 1% duty cycle
(2) Thermal resistance from junction to lead vertical P.C.B. mounting, 0.500" (12.7mm) lead length with 2.5 x 2.5” (63.5 x 63.5mm)
copper pad
4/98
RATINGS AND CHARACTERISTIC CURVES SB320 THRU SB360
FIG. 1 - FORWARD CURRENT DERATING CURVE
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
4.
0
AVERAGE FORWARD CURRENT,
AMPERES
RESISTIVE OR INDUCTIVE LOAD
0.375" (9.5mm) LEAD LENGTH
80
PEAK FORWARD SURGE CURRENT,
AMPERES
70
60
50
40
30
20
10
1
T
J
=T
J
max.
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
3.
0
2.
0
1.
0
SB320 - SB340
SB350 & SB360
0
0
25
50
75
100
125
150
175
LEAD TEMPERATURE, °C
10
NUMBER OF CYCLES AT 60 H
Z
100
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
50
10
INSTANTANEOUS FORWARD CURRENT,
AMPERES
T
J
=125°C
INSTANTANEOUS REVERSE CURRENT,
MILLIAMPERES
10
PULSE WIDTH=300µs
1% DUTY CYCLE
T
J
=125°C
1
T
J
=25°C
1
0.
1
T
J
=75°C
0.
1
0.
01
T
J
=25°C
SB320 - SB340
SB350 & SB360
SB320 - SB340
SB350 & SB360
0.
01
0
0.
001
0.
2
0.
4
0.
6
0.
8
1.
0
1.
2
1.
4
1.
6
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
TRANSIENT THERMAL IMPEDANCE,
°C/W
PERCENT OF RATED PEAK REVERSE
VOLTAGE, %
FIG.6 - TYPICAL TRANSIENT THERMAL IMPEDANCE
1,
000
JUNCTION CAPACITANCE, pF
T
J
=25°C
f=1.0 MHz
Vsig=50mVp-p
100
10
100
SB320 - SB340
SB350 & SB360
10
0.
1
1
10
100
0.
1
0
0.
1
1
t
,
PULSE DURATION, sec.
10
100
REVERSE VOLTAGE, VOLTS