SK32 THRU SK3A
SCHOTTKY BARRIER RECTIFIER
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
• Built-in strain relief, ideal for automated placement
• For surface mount applications
• Low profile package
• Low power loss, high efficiency
• High current capability , Low forward voltage drop
• For use in low volatge, high frequency inverters,
free wheeling, and polarity protection applications
Mechanical Data
• Case: JEDEC SMB (DO-214AA) molded plastic body
• Terminals: solder plated, solderable per MIL-STD-750,
Method 2026
• Polarity: color band denotes cathode end
Absolute Maximum Ratings and Characteristics
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Ratings at 25 C ambient temperature unless otherwise specified. Single phase, half wave, resistive or inductive
load, For capacitive load, derate by 20%
Parameter
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Symbols SK32 SK33 SK34 SK35 SK36 SK38 SK3A Units
VRRM
VRMS
VDC
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
80
57
80
100
71
V
V
V
Maximum DC Blocking Voltage
100
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
IR
0.55
0.75
0.85
V
O
1.5
Maximum Reverse Current
TA = 25 C
mA
at Rated DC Blocking Voltage 1) TA = 100 C
O
20
10
Typical Junction Capacitance 3)
CJ
250
160
pF
RθJA
RθJL
55
17
Typical Thermal Resistance 2)
C/W
O
O
Operating Junction Temperature Range
Storage Temperature Range
TJ
-65 to +125
-65 to +150
C
O
TS
-65 to +150
C
1) Pulse test: 300 µs pulse width, 1% duty cycle.
2) P.C.B. mounted with 0.55 X 0.55" (14 X 14 mm) copper pad areas.
3) Measured at 1 MHz and applied reverse voltage of 4 V.
SEMTECH ELECTRONICS LTD.
(Subsidiary of Semtech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
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Dated : 25/04/2006
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