UNISONIC TECHNOLOGIES CO., LTD
SK54
5A, 40V SCHOTTKY RECTIFIER
DESCRIPTION
DIODE
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
Halogen Free
SK54G-SMB-R
K: Cathode
Package
SMB
Pin Assignment
1
2
K
A
Packing
Tape Reel
Lead Free
SK54L-SMB-R
Note: Pin Assignment: A: Anode
MARKING
UTC
SK54
Date Code
L: Lead Free
G: Halogen Free
Cathode Band for
uni-directional Only
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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QW-R601-092.C
SK54
ABSOLUTE MAXIMUM RATINGS
DIODE
PARAMETER
SYMBOL
RATINGS
UNIT
DC Blocking Voltage
V
B
40
V
RMS Voltage
V
RMS
28
V
Recurrent Peak Reverse Voltage
V
R
40
V
Average Forward Rectified Current
I
O
5.0
A
Peak Forward Surge Current 8.3ms Single Half
Sine-Wave Superimposed On Rated Load
I
FSM
100
A
(JEDEC Method)
Operating Junction Temperature
T
J
-55~+150
°C
Storage Temperature
T
STG
-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
SYMBOL
θ
JA
θ
JL
RATINGS
55
16
UNIT
°C/W
°C/W
PARAMETER
Junction to Ambient
Junction to Lead
ELECTRICAL CHARACTERISTICS
(T
J
=25°C
unless otherwise specified.)
TEST CONDITIONS
MIN
I
FM
=5.0A, T
J
=25°C
T
J
=25°C
T
J
=100°C
Measured at 1.0MHz, V
R
=4.0V
TYP MAX UNIT
0.55
V
1.0 mA
20
mA
200
pF
PARAMETER
SYMBOL
Instantaneous Forward Voltage
V
F
DC Reverse Current At
I
R
Rated DC Blocking Voltage
Junction Capacitance
C
J
Notes: 1. Pulse test: Pulse width 200μsec, Duty cycle 2%.
2. High temperature solder exemptions applied.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 3
QW-R601-092.C
SK54
TYPICAL CHARACTERISTICS
Forward Derating Curve
DIODE
Typical Forward Characteristics
Instantaneous Forward Current, I
F
(A)
7
Average Rectified Current,
I
O
(A)
6
5
4
3
2
1
0
0
25
50
75
100 125
150 175
100
IF Pulse
Width=200uS
25°C
10
1.0
0.1
0.2
0.4
0.6
0.8
1.0
Case Temperature, T
C
(°C)
Instantaneous Forward Voltage, V
F
(V)
Typical Reverse Characteristics
1E-1
Instantaneous Reverse Current, I
R
(A)
1E-2
1E-3
1E-4
1E-5
1E-6
1E-7
V
R
=40V
Pulse
Width=200uS
25
50
100 125 150
75
Case Temperature, T
C
(°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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QW-R601-092.C
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