Datasheet

UNISONIC TECHNOLOGIES CO., LTD
SK310
DIODE
SURFACE MOUNT SCHOTTKY
BARRIER RECTIFIER

DESCRIPTION
The UTC SK310 is a Schottky Rectifier with high current capacity,
ultra low thermal resistance, Low reverse leakage and low forward
voltage.
The UTC SK310 is suitable for surface mount applications.

+
SMC
(JEDEC DO-241AB)
FEATURES
* High Current Capability
* Low Forward Voltage
* Low Reverse Leakage

SYMBOL

ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
SK310L-SMC-R
SK310G-SMC-R
Note: Pin Assignment: A: Anode
K: Cathode
SK310L-SMC-R

Package
SMC
Pin Assignment
1
2
K
A
Packing
Tape Reel
(1)Packing Type
(1) R: Tape Reel
(2)Package Type
(2) SMC: SMC
(3)Green Package
(3) L: Lead Free, G: Halogen Free and Lead Free
MARKING
Cathode Band for
uni-directional Only
UTC
SK310
Date Code
L: Lead Free
G: Halogen Free
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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SK310

DIODE
ABSOLUTE MAXIMUM RATINGS (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Peak Repetitive Reverse Voltage
VRRM
100
V
RMS Voltage
VRMS
70
V
DC Blocking Voltage
VDC
100
V
Average Forward Rectified Current
IF(AV)
3.0
A
Peak Forward Surge Current 8.3ms Single Half
Sine-Wave Superimposed On Rated Load
IFSM
100
A
(JEDEC Method)
Operating 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 (Note)
Note: 8.0mm2 (0.13mm thick) land pads.

SYMBOL
θJA
RATINGS
75
UNIT
°C/W
ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
Instantaneous Forward Voltage at 3.0A (Note 1)
VF
Maximum DC Reverse Current at
TA=25°C
IR
Rated DC Blocking Voltage (Note1) TA=100°C
Typical Total Capacitance (Note2)
CT
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
RATINGS
0.85
0.5
20
300
UNIT
V
mA
mA
pF
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SK310
DIODE
TYPICAL CHARACTERISTICS

Typical Forward Characteristics
Forward Derating Curve
100
Instantaneous Forward Current (A)
Average Rectified Current (A)
6
5
4
3
2
1
0
0
25
50
75
100 125 150 175
Case Temperature (°C)
10
25°C
1.0
0.1
0
0.2
0.4
0.6
0.8
1.0
1.2
Instantaneous Forward Voltage (V)
Typical Reverse Characteristics
Instantaneous Reverse Current (A)
1E-4
TJ=100°C
1E-5
1E-6
1E-7
TJ=25°C
1E-8
1E-9
0
20
40
60
80
100
120
Instantaneous Reverse Voltage (V)
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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