DATA SHEET
SD320T~SD3100T
SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS
VOLTAGE
20 to 100 Volts
CURRENT
3.0 Ampere
TO-251AB
Unit : inch (mm)
FEATURES
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
• For surface mounted applications
• Low profile package
• Built-in strain relief
• Low power loss, High efficiency
• High surge capacity
• For use in low voltage high frequency inverters, free wheeling, and
polarity protection applications
.307(7.8)
.283(7.2)
.225(5.7)
.209(5.3)
.264(6.7)
.248(6.3)
.098(2.5)
.082(2.1)
.024(0.6)
.016(0.4)
.063(1.6)
.047(1.2)
.216(5.5)
.200(5.1)
MECHANICAL DATA
Case: TO-251AB molded plastic
Terminals: Solder plated, solderable per MIL-STD-750,Method 2026
Polarity: As marking
Weight: 0.015 ounces, 0.4grams.
.071(1.8)
.051(1.3)
.032(0.8)
.012(0.3)
.09 .09
(2.3) (2.3)
.02(0.5)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
PARAMETER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current .375"(9.5mm)
lead length at T
C
=75
O
C
Peak Forward Surge Current : 8.3ms single half sine-wave
superimposed on rated load(JEDEC method)
Maximum Forward Voltage at 3.0A
Maximum DC Reverse Current at Rated DC Blocking Voltage T
C
=25
O
C
Maximum DC Reverse Current at Rated DC Blocking Voltage T
C
=100
O
C
Maximuml Thermal Resistance
Operating Junction Temperature Rang
Storage Temperature Rang
SYMBOL
V
RRM
V
RMS
V
DC
I
AV
I
FSM
V
F
0.50
0.2
20
5.0
-50 to +125
-65 to +150
O
S D 320T
20
14
20
S D 330T
30
21
30
S D 340T
40
28
40
S D 350T
50
35
50
3.0
75
S D 360T
60
42
60
S D 380T
80
56
80
S D 3100T
100
70
100
UNITS
V
V
V
A
A
0.64
0.85
V
I
R
mA
RθJC
T
J
T
STG
C/W
°C
O
C
STAD-SEP.11.2003
PAGE . 1
RATING AND CHARACTERISTIC CURVES
AVERAGE FORWARD CURRENT,
AMPERES
PEAK FORWARD SURGE CURRENT,
AMPERES
5.0
4.0
3.0
2.0
RESISTTIVE OR INDUCTIVE LOAD
80
75
60
45
30
15
0
1
10
NO. OF CYCLE AT 60HZ
1.0
0
20
40
60
80
100
120
O
140
100
CASE TEMPERATURE, C
Fig.1- FORWARD CURRENT DERATING CURVE
Fig.2- MAXIMUM NON - REPETITIVE SURGE CURRENT
INSTANTANEOUS REVERSE CURRENT, mA
INSTANTANEOUS FORWARD CURRENT
AMPERES
10
50
50-60V
10
20-40V
80-100V
1.0
T
J
=100
O
C
0.1
T
J
=
75
O
C
1.0
O
T
J
=
25
O
C
.01
TJ=25 C
f=1.0mHz
Visg=5mVp-p
.001
0.1
0
20
40
60
80
100 120
140
.2
.3
.4
.5
.6
.7
.8 .9 1.0 1.1
PERCENT OF INSTANTANEOUS REVERSE VOLTAGE,(%)
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
Fig.3- TYPICAL REVERSE CHARACTERISTICS
Fig.4- TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
STAD-SEP.11.2003
PAGE . 2