SMC K21W Guardring for over voltage protection Datasheet

K21W
Technical Data
Data Sheet N1782, Rev. -
K21W Schottky Barrier Rectifiers
Features
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Plastic package has Underwriters Laboratory Flammability Classification 94V-0
For use in low voltage high frequency inverters, free wheeling, and polarity protection
applications
Guardring for over voltage protection
High temperature soldering guaranteed: 260°C/10 seconds at terminals
These Devices are Pb−Free and are RoHS Compliant
All SMC parts are traceable to the wafer lot
Additional testing can be offered upon request
Mechanical Data
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Case: SOD123FL molded plastic over sky die
Terminals: Tin Plated, solderable per MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.02g
Mechanical Dimensions (In mm)
SOD-123FL
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K21W
Technical Data
Data Sheet N1782, Rev. -
Marking Diagram:
K21
= Part Name
Cautions:Molding resin
Epoxy resin UL: 94V-0
Ordering Information:
Device
Package
Shipping
K21W
SOD-123FL
3000pcs / reel
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specification.
Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
VRRM
VRWM
VR
10
V
Maximum Average Rectified Forward Current at TA = 55°C
IF(AV)
2
A
Peak forward surge current 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
IFSM
50
A
@IF = 1A,TA = 25°C
@IF = 2A,TA = 25°C
VFM
0.38
0.42
V
@VR = 10V,TA = 25°C
IRM
3
mA
Cj
500
pF
RΘJA
180
°C/W
TJ
-55 to +125
°C
TSTG
-55 to +150
°C
Forward Voltage
Peak Reverse Current
Maximum Junction Capacitance (Note 1)
Typical thermal resistance (Note 2)
Operating Junction Temperature Range
Storage Temperature Range
Case Style
SOD-123FL
Note1. Measured at 1MHz and applied reverse voltage of 5.0V D.C.
2. PCB mounted on 0.2 X 0.2" (5.0 X 5.0 mm) copper pad areas.
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K21W
Technical Data
Data Sheet N1782, Rev. -
TJ=100℃
TJ=25℃
Fig.1-Typical Junction Capacitance
TJ=25℃
Fig.2-Typical Reverse Characteristics
TJ=25℃
Fig.3-Typical Forward Voltage Drop Characteristics
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K21W
Technical Data
Data Sheet N1782, Rev. 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..
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