
DS30068 Rev. 4 - 3 1 of 2 LLSD103A - 103C
www.diodes.com ãDiodes Incorporated
LLSD103A - 103C
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Features
·Low Forward Voltage Drop
·Guard Ring Construction for Transient Protection
·Fast Reverse Recovery Time
·Lead Free Finish, RoHS Compliant (Note 3)
·Case: MiniMELF
·Case Material: Glass. UL Flammability Classification
Rating 94V-0
·Moisture Sensitivity: Level 1 per J-STD-020C
·Terminals: Finish ¾Matte Tin. Solderable per
MIL-STD-202, Method 208
·Polarity: Cathode Band
·Ordering Information: See Last Page
·Marking: Cathode Band Only
·Weight: 0.05 grams (approximate)
Mechanical Data
MiniMELF
Dim Min Max
A3.30 3.70
B1.30 1.60
C0.28 0.50
All Dimensions in mm
A
C
B
Maximum Ratings @ TA= 25°C unless otherwise specified
Note: 1. Part mounted on FR-4 board with recommended pad layout, which can be found on our website
at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration test pulse used to minimize self-heating effect.
3. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see
EU Directive Annex Notes 5 and 7.
Electrical Characteristics @ TA= 25°C unless otherwise specified
Characteristic Symbol LLSD103A LLSD103B LLSD103C Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
40 30 20 V
RMS Reverse Voltage VR(RMS) 28 21 14 V
Forward Continuous Current (Note 1) IFM 350 mA
Repetitive Peak Forward Current @ t £1.0s IFRM 1.0 A
Non-Repetitive Peak Forward Surge Current @ t £1.0s
@ t = 10ms IFSM 1.5
7.5 A
Power Dissipation (Note 1) Pd400 mW
Thermal Resistance, Junction to Ambient Air (Note 1) RqJA 250 °C/W
Operating Temperature Range Tj-55 to +125 °C
Storage Temperature Range TSTG -55 to +150 °C
Characteristic Symbol Min Typ Max Unit Test Condition
Forward Voltage VF¾¾
0.37
0.60 VIF= 20mA
IF= 200mA
Peak Reverse Current (Note 2) LLSD103A
LLSD103B
LLSD103C
IR¾¾5.0 mA
VR= 30V
VR= 20V
VR= 10V
Total Capacitance CT¾50 ¾pF VR= 0V, f = 1.0MHz
Reverse Recovery Time trr ¾¾10 ns IF= IR= 50mA to 200mA,
Irr = 0.1 x IR,R
L= 100W
NOT RECOMMENDED FOR NEW DESIGNS
PLEASE USE SD103AW - SD103CW