UNISONIC TECHNOLOGIES CO., LTD
SK34
SURFACE MOUNT SCHOTTKY
BARRIER RECTIFIER
-
+
-
SMC
(JEDEC DO-214AB)
DIODE
+
DESCRIPTION
SMB
(JEDEC DO-214AA)
The UTC
SK34
is a Schottky Rectifier with high current capacity,
ultra low thermal resistance, Low reverse leakage and low forward
voltage.
The UTC
SK34
is suitable for surface mount applications.
+
-
SMA
(JEDEC DO-214AC)
+
-
SOD-123F
FEATURES
* High Current Capability
* Low Forward Voltage
* Low Reverse Leakage
ORDERING INFORMATION
Package
SMA
SMB
SMC
SOD-123F
Pin Assignment
1
2
K
A
K
A
K
A
K
A
Packing
Tape Reel
Tape Reel
Tape Reel
Tape Reel
Ordering Number
Lead Free
Halogen Free
SK34L-SMA-R
SK34G-SMA-R
SK34L-SMB-R
SK34G-SMB-R
SK34L-SMC-R
SK34G-SMC-R
SK34L-CA2F-R
SK34G-CA2F-R
Note: Pin Assignment: A: Anode, K: Cathode
MARKING
SMA / SMB / SMC
UTC
SK34
Date Code
L: Lead Free
G: Halogen Free
SOD-123F
Cathode Band for
uni-directional Only
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SK34
ABSOLUTE MAXIMUM RATINGS
(T
A
=25°C, unless otherwise specified)
DIODE
PARAMETER
SYMBOL
RATINGS
UNIT
Peak Repetitive Reverse Voltage
V
RRM
40
V
RMS Voltage
V
RMS
28
V
DC Blocking Voltage
V
DC
40
V
Average Forward Rectified Current
I
O
3.0
A
Peak Forward Surge Current 8.3ms Single Half
Sine-Wave Superimposed On Rated Load
I
FSM
100
A
(JEDEC Method)
Operating Temperature
T
J
-65 ~ +125
°C
Storage Temperature
T
STG
-65 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA (Note)
PARAMETER
SYMBOL
RATINGS
25
32
20
11
UNIT
°C/W
°C/W
°C/W
°C/W
SOD-123F
SMA
Typical Thermal Resistance
θ
JL
SMB
SMC
Notes: FR-4 PCB, 2 oz Copper. Minimum recommended pad layout.
ELECTRICAL CHARACTERISTICS
(T
A
=25°C, unless otherwise specified)
RATINGS
0.50
0.5
20
300
UNIT
V
mA
mA
pF
PARAMETER
SYMBOL
Instantaneous Forward Voltage at 3.0A (Note 1)
V
F
DC Reverse Current at Rated DC T
A
=25°C
I
R
Blocking Voltage (Note 1)
T
A
=100°C
Typical Total Capacitance (Note 2)
C
T
Notes: 1. Pulse Test Pulse Width 300μS, Duty Cycle 2%.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R601-044.G
SK34
TYPICAL CHARACTERISTICS
DIODE
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R601-044.G
SK34
DIODE
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all UTC products described or contained herein.
UTC products are not designed for use in life support appliances, devices or systems where malfunction
of these products can be reasonably expected to result in personal injury. Reproduction in whole or in
part is prohibited without the prior written consent of the copyright owner. UTC reserves the right to
make changes to information published in this document, including without limitation specifications and
product descriptions, at any time and without notice. This document supersedes and replaces all
information supplied prior to the publication hereof.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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