Document
Surface Mount Schottky Barrier Diodes
Features:
*Low Forward Voltage *Very Small Conduction Losses *Schottky Barrier Diodes Encapsulated in a SOD-123 Package
Mechanical Data:
*Polarity: Cathode Band *Leads: Solderable per MIL-STD-202 Method 208 *Wight: 0.01grams(approx)
SD103AW/BW/CW
SMALL SIGNAL SCHOTTKY DIODES
350m AMPERES 20-40 VOLTS
1 2
SOD-123
SOD-123 Outline Dimensions
Unit:mm
SOD-123
Dim Min
Max
A 2.55 2.85
B 1.40 1.80
C 0.95 1.35
D 0.50 0.70
E 0.30 REF
H - 0.10
J - 0.15
K 3.55 3.85
PIN 1. CATHODE 2. ANODE
WEITRON
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SD103AW/BW/CW
Maximum Ratings ( TA=25 C Unless otherwise noted)
Characteristic Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current
Symbol
VRRM VRWM
VR VR(RMS)
IFAV
SD103AW SD103BW 40 30
28 21 350
Non-Repetitive Peak Forward Surge Current @t 1.0S
Power Dissipation (1)
IFSM PD
1.5 400
Typical thermal Resistance junction to Ambient Note (1)
R JA
300
Operating & Storage Temperature Range
TJ TSTG
-55 to +125
SD103CW 20 14
Unit V
V mA
A mW C/W C
E lectr ical C har acter istics ( TA=25 C Unless otherwise noted)
Characteristic
Reverse Breakdown Voltage (2) Forward Voltage Note(2)
SD103AW SD103BW SD103CW
IF=20mA IF=200mA
Reverse Current Note(2)
VR=30V, SD103AW VR=20V,SD103BW
VR=10V, SD103CW
Junction Capacitance, f=1MHZ, VR=0VDC
Reverse Recovery Time
IF=IF=200mA, Irr =0.1*IR,RL=100 Ω
Symbol
V(BR)R VF
IR Cj trr
Min
40 30 20
-
-
Typ
-
50 10
Max
0.37 0.60
5.0
Unit
V
V
A PF ns
Device Marking
Item SD103AW SD103BW SD103CW
Marking
S4 S5 S4 S6
Eqivalent Circuit diagram
12
Note: 1. Valid provited that leads are kept at ambient tememperature. 2. Pulse Test : Pulse width = 300us, Duty Cycle 2%
WEITRON
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SD103AW/BW/CW
Cj , CAPACITANCE (pF) IF, INSTANTNEOUS FWD CURRENT (A)
100
10
1.0
0.1 0
10 20
30 40
VR.REVERSE VOLTAGE (V) FIG. 1 Typ, Junction Capacitance vs. Reverse Voltage
1000
100
10
1.0
0.10
0.01 0
0.5 1.0
VF, INSTANTANEOUS FORWARD VOLTAGE (V) FIG. 2 Typical Forward Characterictics
WEITRON
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