Dated : 03/09/2008
J
®
SEMTECH ELECTRONICS LTD.
(Subsidiary of Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
SB320 THRU SB3100
SCHOTTKY BARRIER RECTIFIERS
Reverse Voltage – 20 to 100 V
Forward Current – 3 A
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Metal silicon junction, majority carrier conduction
• High surge capability
• Low power loss, high efficiency
• High current capability, Low forward voltage drop
• For use in low voltage, high frequency inverters,
free wheeling, and polarity protection applications
Mechanical Data
• Case: JEDEC DO-201AD molded plastic body
• Terminals: Plated axial leads, solderable per MIL-STD-750,
method 2026
• Polarity: color band denotes cathode end
Absolute Maximum Ratings and Characteristics
Ratings at 25
OC ambient temperature unless otherwise specified. Single phase, half wave, resistive or inductive load, For
capacitive load, derate by 20%.
Parameter
Symbols SB320 SB330 SB340 SB350 SB360 SB380 SB3100
Units
Maximum Repetitive 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" (9.5 mm) Lead Length
I(AV)
3
A
Peak Forward Surge Current, 8.3 ms Single Half-
sine-wave Superimposed on rated load (JEDEC
method)
IFSM
80
A
Maximum Forward Voltage at 3 A DC
1)
VF
0.55
0.7
0.85
V
0.5
Maximum Reverse Current
TA = 25 OC
at Rated DC Blocking Voltage
1)
TA = 100 OC
IR
20
10
mA
Typical Junction Capacitance
3)
CJ
250
160
pF
Typical Thermal Resistance
2)
RθJA
40
O
C/W
Operating Junction Temperature Range
TJ
- 65 to + 125
- 65 to + 150
O
C
Storage Temperature Range
TS
- 65 to + 150
O
C
1) Pulse test: 300 µs pulse width, 1% duty cycle.
2) Thermal resistance from junction to lead vertical P.C.B. mounted, 0.5" (12.7 mm) lead length with 2.5 X 2.5" (63.5 X 63.5
mm) copper pads.
3) Measured at 1 MHz and applied reverse voltage of 4 V.
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