Datasheet

UNISONIC TECHNOLOGIES CO., LTD
SK54
DIODE
5A, 40V SCHOTTKY RECTIFIER

DESCRIPTION
The UTC SK54 is a schottky rectifier, it uses UTC’s advanced
technology to provide the customers with high current capability and
low forward voltage, etc.
The UTC SK54 is suitable for surface mount applications, etc.

+
SMB
FEATURES
* High current capability
* Low forward voltage

SYMBOL

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
SK54L-SMB-R
SK54G-SMB-R
Note: Pin Assignment: A: Anode
K: Cathode

Package
SMB
Pin Assignment
1
2
K
A
Packing
Tape Reel
MARKING
Cathode Band for
uni-directional Only
UTC
SK54
Date Code
L: Lead Free
G: Halogen Free
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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QW-R601-092.C
SK54

DIODE
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
DC Blocking Voltage
VB
40
V
RMS Voltage
VRMS
28
V
Recurrent Peak Reverse Voltage
VR
40
V
Average Forward Rectified Current
IO
5.0
A
Peak Forward Surge Current 8.3ms Single Half
Sine-Wave Superimposed On Rated Load
IFSM
100
A
(JEDEC Method)
Operating Junction Temperature
TJ
-55~+150
°C
Storage Temperature
TSTG
-55~+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
PARAMETER
Junction to Ambient
Junction to Lead

SYMBOL
θJA
θJL
RATINGS
55
16
UNIT
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (TJ =25°C unless otherwise specified.)
PARAMETER
SYMBOL
Instantaneous Forward Voltage
VF
DC Reverse Current At
IR
Rated DC Blocking Voltage
Junction Capacitance
CJ
Notes: 1. Pulse test: Pulse width 200μsec, Duty cycle 2%.
2. High temperature solder exemptions applied.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
TEST CONDITIONS
MIN
IFM=5.0A, TJ=25°C
TJ=25°C
TJ=100°C
Measured at 1.0MHz, VR=4.0V
TYP MAX UNIT
0.55
V
1.0 mA
20
mA
200
pF
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QW-R601-092.C
SK54
DIODE
TYPICAL CHARACTERISTICS

Typical Forward Characteristics
Forward Derating Curve
Instantaneous Forward Current, IF (A)
Average Rectified Current, IO (A)
7
6
5
4
3
2
1
0
0
25
50
75
100 125
150 175
Case Temperature, TC (°C)
100
IF Pulse
Width=200uS
25°C
10
1.0
0.1
0.2
0.4
0.6
0.8
1.0
Instantaneous Forward Voltage, VF (V)
Typical Reverse Characteristics
Instantaneous Reverse Current, IR (A)
1E-1
1E-2
1E-3
1E-4
1E-5
1E-6
1E-7
VR=40V
Pulse
Width=200uS
25
50
100 125 150
75
Case Temperature, TC (°C)
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. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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