SB520A thru SB560A
New Product
Vishay Semiconductors
formerly General Semiconductor
Reverse Voltage 20 to 60V Forward Current 5A
Schottky Barrier Rectifier
DO-201AD
1.0 (25.4) Min. 0.210 (5.3) 0.190 (4.8) Dia.
Features
• Low power loss, high efficiency • For use in low voltage high frequency inverters, free wheeling, and polarity protection applications • Guardring for overvoltage protection • Plastic package has Underwriters Laboratory Flammability Classification 94V-0
0.375 (9.5) 0.285 (7.2)
Mechanical Data
1.0 (25.4) Min. 0.052 (1.32) 0.048 (1.22) Dia.
Dimensions in inches and (millimeters)
Case: JEDEC DO-201AD molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 High temperature soldering guaranteed: 250°C/10 seconds 0.375” (9.5mm) lead length, 5lbs. (2.3kg) tension Polarity: Color band denotes cathode end Mounting Position: Any Weight: 0.04 oz., 1.12 g
(TA = 25°C unless otherwise noted)
Maximum Ratings and Thermal Characteristics
Parameter Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375" (9.5mm) lead length (SEE FIG.1) Peak forward surge current, 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) at rated TL Typical thermal resistance
(2)
Symbol SB520A SB530A SB540A SB550A SB560A VRRM VRMS VDC IF(AV) 20 14 20 30 21 30 40 28 40 5 50 35 50 60 42 60
Unit V V V A
IFSM RΘJA RΘJC RΘJL TJ TSTG – 65 to +125
150 25 10 8 – 65 to +150
A
°C/W °C °C
Operating junction temperature range Storage temperature range
-65 to +150
Electrical Characteristics
Parameter
(TA = 25°C unless otherwise noted)
Symbol SB520A SB530A SB540A SB550A SB560A VF IR 0.50 0.5 50 25 0.70
Unit V mA
Max. instantaneous forward voltage at 5.0A (NOTE 1) Maximum instantaneous reverse current at rated DC blocking voltage (1) TA= 25°C TA = 100°C
Notes: (1) Pulse test: 300µs pulse width, 1% duty cycle (2) Thermal resistance junction to lead vertical P.C.B. mounted, 0.375" (9.5mm) lead length
Document Number 88903 09-Mar-04
www.vishay.com 1
SB520A thru SB560A
Vishay Semiconductors
formerly General Semiconductor
Ratings and Characteristic Curves (TA = 25°C unless otherwise noted)
Fig. 1 - Forward Current Derating Curve
5.0 180
Fig. 2 - Maximum Non-repetitive Peak Forward Surge Current
Peak Forward Surge Current (A)
150
Average Forward Current (A)
4.0
120
3.0
90 60 30 0
2.0
Resistive or Inductive Load 0.375" (9.5mm) lead length SB520 - SB540 SB550 & SB560
0 20 40 60 80 100 120 150
1.0
0
1
10
100
Lead Temperature (°C)
Number of Cycles at 60 Hz
Instantaneous Forward Current (A)
Fig. 3 - Typical Instantaneous Forward Characteristics
Instantaneous Reverse Current (mA)
50 100 10
Fig. 4 - Typical Reverse Characteristics
TJ = 125°C
10
TJ = 125°C Pulse Width = 300µs 1% Duty Cycle
1
TJ = 75°C
0.1
1
TJ = 25°C
0.1
0.01 0.001 0.0001 0 20 40 60
TJ = 25°C
0.01 0 0.2 0.4 0.6 0.8 1.0
SB520 - SB540 SB550 & SB560
1.2 1.4 1.6
SB520 - SB540 SB550 & SB560
80 100
Instantaneous Forward Voltage (V) Transient Thermal Impedance (°C/W)
Percent of Rated Peak Reverse Voltage (%)
Fig. 5 - Typical Junction Capacitance
1,000
Fig. 6 - Typical Transient Thermal Impedance
100
Junction Capacitance (pF)
TJ = 25°C f=1.0 MHZ Vsig=50mVp-p
10
100
1
SB520 - SB540 SB550 & SB560
10 1.0 10 100
0.1 0.01 0.1 1 10 100
Reverse Voltage (V)
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t, Pulse Duration (sec.)
Document Number 88903 09-Mar-04
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