SK32A THRU SK3AA
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 voltage, high frequency inverters,
free wheeling, and polarity protection applications
Mechanical Data
• Case: SMA (DO-214AC) molded plastic body
• Terminals: solder plated, 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%
SK32A SK33A SK34A SK35A SK36A SK38A SK3AA
Symbols
Units
Parameter
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
VRRM
20
14
20
30
21
30
40
28
40
50
35
50
60
42
60
80
57
80
100
71
V
VRMS
V
Maximum DC Blocking Voltage
VDC
100
V
Maximum Average Forward Rectified Current
0.375" (9.5 mm) Lead Length
I(AV)
3
A
A
Peak Forward Surge Current, 8.3 ms Single Half-
sine-wave Superimposed on rated load (JEDEC
method)
IFSM
80
Maximum Forward Voltage at 3 A DC 1)
VF
IR
0.55
0.75
0.85
V
O
0.5
Maximum Reverse Current
at Rated DC Blocking Voltage 1)
TA = 25 C
mA
O
TA = 100 C
20
10
Typical Junction Capacitance 3)
Typical Thermal Resistance 2)
CJ
250
160
pF
88
28
RθJA
RθJL
TJ
O
C/W
O
C
Operating Junction Temperature Range
Storage Temperature Range
- 65 to + 125
- 65 to + 150
- 65 to + 150
O
C
TS
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 Sino-Tech International Holdings Limited, a company
listed on the Hong Kong Stock Exchange, Stock Code: 724)
®
Dated : 14/04/2008
J