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SD103A - SD103C
FEATURES :
* For general purpose applications * The SD103 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 MiniMELF case with type designations LL103A thru LL103C. * Pb / RoHS Free
SCHOTTKY BARRIER DIODES
DO - 35 Glass (DO-204AH)
0.079(2.0 )max.
1.00 (25.4) min.
Cathode Mark
0.150 (3.8) max.
0.020 (0.52)max.
1.00 (25.4) min.
MECHANICAL DATA :
Case: DO-35 Glass Case Weight: approx. 0.13g
Dimensions in inches and ( millimeters )
Maximum Ratings and Thermal Characteristics (Rating at
Parameter
SD103A Repetitive Peak Reverse Voltage SD103B SD103C Single Cycle Surge 60 Hz Sine Wave Power Dissipation (Infinite Heatsink) Thermal Resistance Junction to Ambient Air Junction Temperature Storage temperature range
25 C ambient temperature unless otherwise specified.)
Symbol
VRRM
Value
40 30 20
Unit
V
IFSM PD RJA TJ TS
15 400(1) 0.3(1) 125
(1)
A mW C/mW C C
-55 to + 150 (1)
Note: (1) Valid provided that leads at a distance of 4mm from case are kept at ambient temperature.
Electrical Characteristics (TJ = 25C unless otherwise noted)
Parameter
Reverse Current SD103A SD103B SD103C
Symbol
IR
Test Condition
VR = 30 V VR = 20 V VR = 10 V IF = 20mA IF = 200mA VR = 0 V, f = 1MHz IF = IR = 50mA to 200mA recover to 0.1IR
Min -
Typ 50 10
Max 5 5 5 0.37 0.6 -
Unit A
Forward Voltage Drop Junction Capacitance Reverse Recovery Time
VF Ctot Trr
V pF ns
Page 1 of 2
Rev. 02 : March 24, 2005
RATING AND CHARACTERISTIC CURVES ( SD103A - SD103C )
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)
Blocking voltage deration versus temperature at various average forward currents 50
103
Typical variation of reverse current at various temperatures
Ta =125C 40 Reverse Voltage , V (V) R Reverse Current , IR (A)
100 mA 102
30
200 mA IF=400 mA
10
20
10
1
25C
0 0 100 Ambient Temperature, Ta (C) 200
10-1 0 10 20 30 40 50
Reverse Voltage , VR (V)
Page 1 of 2
Rev. 02 : March 24, 2005

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