Dated : 19/05/2003
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, acompany
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
SB520 THRU SB5A0
SCHOTTKY BARRIER RECTIFIERS
Reverse Voltage – 20 to 100 Volts
Forward Current – 5.0 Amperes
Features
•
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
•
Metal silicon junction, majority carrier conduction
•
Guard ring for overvoltage protection
•
Low power loss, high efficiency
•
High current capability, low forward voltage drop
•
High surge capability
•
For use in low voltage, high frequency inverters, free
wheeling, and polarity protection applications
•
High temperature soldering guaranteed:250℃/10 seconds
at terminals, 0.375”(9.5mm)lead length, 5lb.(2.3kg) tension
Mechanical Data
•
Case: Molded plastic body, JEDEC DO-201AD.
•
Terminals: Axial leads, solderable per MIL-STD-750, method 2026
•
Polarity: Color band denotes cathode end.
•
Mounting Position: Any
Absolute Maximum Ratings and Characteristics
Ratings at 25
0C ambient temperature unless otherwise specified. Single phase, half wave, resistive or inductive load.
For capacitive load, derate by 20%
Symbols
SB
520
SB
530
SB
540
SB
550
SB
560
SB
580
SB
5A0
Units
Maximum recurrent peak reverse voltage
VRRM
20
30
40
50
60
80
100
V
Maximum RMS voltage
VRMS
14
21
28
35
42
57
71
V
Maximum DC blocking voltage
VDC
20
30
40
50
60
80
100
V
Maximum average forward rectified current
0.375” (9.5mm)lead length
I(AV)
5.0
A
Peak forward surge current
8.3mS single half sine-wave superimposed
on rated load (JEDEC method)
IFSM
150
A
Maximum instantaneous forward voltage
at 5 A (Note 1)
VF
0.55
0.70
0.80
0.85
V
2.5
Maximum reverse current
TA = 25
OC
at rated reverse voltage(Note 1)
TA = 100
OC
IR
50
25
mA
Typical junction capacitance (Note 2)
Ctot
500
400
pF
Typical thermal resistance, from junction to ambient(Note 3)
RθJA
25
OC/W
Typical thermal resistance, from junction to lead(Note 3)
RθJL
8.0
OC/W
Operating junction temperature range
TJ
-65 to +125
-65 to +150
OC
storage temperature range
TS
-65 to +150
OC
Notes:
(1) Pulse test: 300μs pulse width, 1% duty cycle
(2) Measured at 1MHZ and applied reverse voltage of 4 Volts
(3) Thermal Resistance from Junction to lead vertical P.C.B, mounted with 0.375”(9.5mm) lead length
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