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LL103A - LL103C
FEATURES :
* For general purpose applications * The LL103A, B, C series is a metal-on-silicon Schottky barrier device which is protected by a PN junction guard ring. * The low forward voltage drop and fast switching make it ideal for protection of MOS devices, steering, biasing and coupling diodes for fast switching and low logic level applications. * Other applications are click suppression, efficient full wave bridges in telephone subsets, and blocking diodes in rechargeable low voltage battery systems. * These diodes are also available in the DO-35 case with type designation SD103A, B, C * Pb / RoHS Free
SCHOTTKY BARRIER DIODES
MiniMELF (SOD-80C)
Cathode Mark
0.063 (1.64)
0.055 (1.40) 0.019(0.48) 0.011(0.28)
0.142(3.6) 0.134(3.4)
Mounting Pad Layout
0.098 (2.50) Max. 0.049 (1.25)Min. 0.079 (2.00)Min.
MECHANICAL DATA :
Case: MiniMELF Glass Case (SOD-80C) Weight: approx. 0.05g
0.197 (5.00) REF
Dimensions in inches and ( millimeters )
25 C ambient temperature unless otherwise specified.)
Maximum Ratings and Thermal Characteristics (Rating at
Parameter
LL103A Repetitive Peak Reverse Voltage LL103B
Symbol
VRRM
Value
40 30 20
Unit
V
LL103C Single Cycle Surge 60 Hz Sine Wave Power Dissipation (Infinite Heatsink) Thermal Resistance Junction to Ambient Air Junction Temperature Storage temperature range
Note: (1) Valid provided that electrodes are kept at ambient temperature.
IFSM PD RJA TJ TS
15 400 300
(1) (1)
A mW C/W C C
125 -55 to + 150
Electrical Characteristics (TJ = 25C unless otherwise noted)
Parameter
Reverse Current LL103A LL103B LL103C
Symbol
IR
Test Condition
VR = 30 V VR = 20 V VR = 10 V IF = 20mA IF = 200mA VR = 0 V, f = 1MHz IF = IR = 5mA to 200mA recover to 0.1IR
Min -
Typ 50 10
Max 5 5 5 0.37 0.6 -
Unit A
Forward Voltage Drop Diode Capacitance Reverse Recovery Time
VF Cd Trr
V pF ns
Page 1 of 2
Rev. 02 : March 24, 2005
RATING AND CHARACTERISTIC CURVES ( LL103A - LL103C )
Typical variation of forward current and forward voltage for primary conduction through the schottky barrier 10
3
Typical high current forward conduction curve tp = 300ms , duty cycle = 2% 5
Forward Current , IF (mA)
10
Forward Current , IF (A)
10
2
4
3
1
2
10-1
1
10-2 0 0.5 Forward Voltage , VF (V) 1
0 0 0.5 1 1.5 Forward Voltage , VF (V)
Typical non repetitive forward surge current versus pulse width Rectangular pulse 50
103
Typical variation of reverse current at various temperatures
Ta =125C 40 Reverse Current , IR (A) Forward Current , IF (A)
102
30
10
20
10
1
25C
0 10
-3
10-1
10
-2
10
-1
1
10
10
2
10
3
0
10
20
30
40
50
Pulse Test , tp (ms)
Reverse Voltage , VR (V)
Page 2 of 2
Rev. 02 : March 24, 2005

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