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SANGDEST
MICROELECTRONICS
Technical Data
Data Sheet N0107, Rev. -
Applications:
SK520 SCHOTTKY RECTIFIER
SK520
Green Products
Switching power supply
Converters
Free-Wheeling diodes
Reverse battery protection
Features:
Schottky Barrier Chip
Guard Ring Die Construction for Transient Protection
High Current Capability
Low Power Loss, High Efficiency
High Surge Current Capability
For Use in Low Voltage, High Frequency Inverters, Free Wheeling, and Polarity Protection
Applications
This is a Pb Free Device
All SMC parts are traceable to the wafer lot
Additional testing can be offered upon request
Mechanical Dimensions (In mm / Inches):
SMC
Weiqi Street, Airport Development Zone, Jiangning District, Nanjing, China 211113  (86) 25-87123907
FAX (86) 25-87123900 World Wide Web Site - http://www.sangdest.com.cn E-Mail Address - sales@ sangdest.com.cn

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SANGDEST
MICROELECTRONICS
Technical Data
Data Sheet N0107, Rev. -
Marking Diagram:
CautionsMolding resin
Epoxy resin UL:94V-0
SK520
Green Products
Where XXXXX is YYWWL
SK520
YY
WW
L
= Part Name
= Year
= Week
= Lot Number
Ordering Information
Device
SK520
Package
SMC
(Pb-Free)
Shipping
3000pcs / reel
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specification.
Weiqi Street, Airport Development Zone, Jiangning District, Nanjing, China 211113  (86) 25-87123907
FAX (86) 25-87123900 World Wide Web Site - http://www.sangdest.com.cn E-Mail Address - sales@ sangdest.com.cn

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SANGDEST
MICROELECTRONICS
Technical Data
Data Sheet N0107, Rev. -
SK520
Green Products
Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
Maximum RMS Voltage
Average Rectified Output Current
(Note 1)
@TA = 105°C
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
Forward Voltage
@IF = 5.0A,TA = 25°C
@IF = 5.0A,TA = 125°C
Peak Reverse Current
At Rated DC Blocking Voltage
@TA = 25°C
@TA = 125°C
Typical Thermal Resistance Junction to Ambient
Storage Temperature Range
Max. Junction Temperature
Approximate Weight
Case Style
Symbol
VRRM
VRWM
VR
VRMS
IF(AV)
IFSM
VFM
IRM
RθJA
TSTG
TJ
wt
SK520
200
140
5.0
120
1.10
0.90
1
7
10
-55 to +150
-55 to +150
0.65
SMC
Unit
V
V
A
A
V
mA
°C /W
°C
°C
g
Note:1. Leads maintained at ambient temperature at a distance of 9.5mm from the case.
Weiqi Street, Airport Development Zone, Jiangning District, Nanjing, China 211113  (86) 25-87123907
FAX (86) 25-87123900 World Wide Web Site - http://www.sangdest.com.cn E-Mail Address - sales@ sangdest.com.cn

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SANGDEST
MICROELECTRONICS
Technical Data
Data Sheet N0107, Rev. -
SK520
Green Products
1000
100
TJ=25
1
0.1
0.01
0.001
0.0001
TJ=125
TJ=25
10
5
10 15 20 25 30 35 40
Reverse Voltage-VR(V)
0.00001
10 20 30 40 50 60 70 80 90 100
Reverse Voltage-VR(V)
Fig.1-Typical Junction Capacitance Vs.Reverse Voltage
Fig.2-Typical Values Of Reverse Current Vs.Reverse
Voltage
100
10 TJ=125
TJ=25
1
0.5 0.6 0.7 0.8 0.9
1
Forward Voltage Drop-VF(V)
1.1 1.2
Fig.3-Typical Forward Voltage Drop Characteristics
Weiqi Street, Airport Development Zone, Jiangning District, Nanjing, China 211113  (86) 25-87123907
FAX (86) 25-87123900 World Wide Web Site - http://www.sangdest.com.cn E-Mail Address - sales@ sangdest.com.cn

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SANGDEST
MICROELECTRONICS
Technical Data
Data Sheet N0107, Rev. -
SK520
Green Products
DISCLAIMER:
1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product
characteristics. Before ordering, purchasers are advised to contact the SMC - Sangdest Microelectronics (Nanjing) Co., Ltd sales
department for the latest version of the datasheet(s).
2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment,
medical equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by
means of users’ fail-safe precautions or other arrangement .
3- In no event shall SMC - Sangdest Microelectronics (Nanjing) Co., Ltd be liable for any damages that may result from an accident or
any other cause during operation of the user’s units according to the datasheet(s). SMC - Sangdest Microelectronics (Nanjing) Co., Ltd
assumes no responsibility for any intellectual property claims or any other problems that may result from applications of information,
products or circuits described in the datasheets.
4- In no event shall SMC - Sangdest Microelectronics (Nanjing) Co., Ltd be liable for any failure in a semiconductor device or any
secondary damage resulting from use at a value exceeding the absolute maximum rating.
5- No license is granted by the datasheet(s) under any patents or other rights of any third party or SMC - Sangdest Microelectronics
(Nanjing) Co., Ltd.
6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permission of SMC
- Sangdest Microelectronics (Nanjing) Co., Ltd.
7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will
hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third
party. When exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and
regulations..
Weiqi Street, Airport Development Zone, Jiangning District, Nanjing, China 211113  (86) 25-87123907
FAX (86) 25-87123900 World Wide Web Site - http://www.sangdest.com.cn E-Mail Address - sales@ sangdest.com.cn