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DC COMPONENTS CO., LTD.
R
RECTIFIER SPECIALISTS
SD103A THRU SD103C
TECHNICAL SPECIFICATIONS OF SMALL SIGNAL SCHOTTKY BARRIER DIODES
VOLTAGE RANGE - 20 to 40 Volts CURRENT - 0.35 Ampere
FEATURES
* * * * For general purpose applications Low turn-on voltage Fast switching time Protected by a PN junction guard ring against excessive voltage, such as electrostatic discharge(ESD)
DO-35
MECHANICAL DATA
* * * * * Case: Glass sealed case Lead: MIL-STD-202E, Method 208 guaranteed Polarity: Color band denotes cathode end Mounting position: Any Weight: 0.13 gram
1.0(25.4) MIN.
.020 TYP. (0.5)
.165(4.2) MAX. .079 MAX. (2.0) 1.0(25.4) MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in inches and (millimeters)
SYMBOL Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current at TA=25 o C Peak Forward Surge Current 8.3 ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum Instantaneous Forward Voltage Maximum DC Reverse Current Typical Thermal Resistance (Note1) Typical Junction Capacitance (Note 2) Storage Operating Temperature Range @ IF=0.2A @ IF=0.02A VRRM VRMS VDC IO IFSM VF IR R JA CJ TJ, TSTG
SD103A 40 28 40
SD103B 30 21 30 0.35 2.0 0.6 0.37
SD103C 20 14 20
UNITS Volts Volts Volts Amps Amps Volts
5.0 @ VR=30V
5.0 @ VR=20V 300 50 -55 to + 125
5.0 @ VR=10V
Amps
0
C/ W pF
0
C
Note: 1. Leads maintained at specified ambient temperature at a distance of 4.0mm from case. 2. Measured at 1 MHz and applied reverse voltage of 0 volts.
RATING AND CHARACTERISTIC CURVES (SD103A THRU SD103C)
FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE 0.8 AVERAGE FORWARD CURRENT, (A) 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 20 40 60 80 100 120 AMBIENT LEAD TEMPERATURE, (oC) INSTANTANEOUS FORWARD CURRENT, (A)
FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
TJ= 75 C
o
0.1
TJ= 100 C
o
0.01
TJ= 25 C
o
0.001 0
0.1
0.2
0.3
0.4
0.5
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 100 REVERSE CURRENT, (A) 10000
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
REVERSE CURRENT, (A)
10
TJ= 100 C
o
TJ= 25 C
o
1
1000
TJ= 75 C
o
0.1
0.01
100 0 5 10 15 20 25 0 5 10 15 20 25 REVERSE VOLTAGE, (V) REVERSE VOLTAGE, (V)
FIG. 5 - TYPICAL JUNCTION CAPACITANCE 100 JUNCTION CAPACITANCE, (pF)
10
1
0
10
20
30
40
REVERSE VOLTAGE, (V)
DC COMPONENTS CO., LTD.
R

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