中电½基南方集团有限公司
WS3A020120K
Silicon Carbide Schottky Diode
Features
Zero Reverse Recovery Current
Zero Forward Recovery Voltage
Positive Temperature Coefficient on V
F
Temperature-independent Switching
175° Operating Junction Temperature
C
1
2
3
V
RRM
=
1200
26
V
A**
I
F
( T
C
≤135℃)
=
Q
C
=
58 nC**
Package
Benefits
Replace Bipolar with Unipolar Device
Reduction of Heat Sink Size
Parallel Devices Without Thermal Runaway
Essentially No Switching Losses
TO-247-3
Applications
Switch Mode Power Supplies
Power Factor Correction
Motor drive, PV Inverter, Wind Power Station
Part Number
WS3A020120K
Package
TO-247-3
Marking
WS3A020120K
Maximum Ratings
Symbol
V
RRM
V
RSM
V
R
Parameter
Repetitive Peak Reverse Voltage
Surge Peak Reverse Voltage
DC Blocking Voltage
Forward Current
(Per leg/Device)
Non-Repetitive Forward Surge Current
Power Dissipation (Per leg/Device)
Maximum Case Temperature
Operating Junction and Storage Temperature
TO-247 Mounting Torque
*Per Leg, **Per Device
Value
1200
1200
1200
30/60
13/26
10/20
95*
150/
300
149
-55 to
175
1
Unit
V
V
V
Test Conditions
T
C
= 25℃
T
C
= 25℃
T
C
= 25℃
T
C
≤ 25℃
A
T
C
≤ 135℃
T
C
≤ 149℃
A
W
℃
℃
Nm
M3 Screw
T
C
= 25℃, t
p
= 8.3ms, Half Sine Wave
T
C
= 25℃
Fig.3
Note
I
F
I
FSM
P
tot
T
C
T
J
, T
STG
WS3A020120K Version 2.1
1
中电½基南方集团有限公司
Notes
1) Before using our products, please contact our marketing managers and get the latest specifications.
2) Ongoing efforts are being made to improve the reliability and quality of the products by CETC, but the
semiconductors can malfunction due to various factors.
Therefore, in order to prevent artificial damage or fire arising from failure, please take safety measures such as
complying with the derating characteristics, implementing redundant and fire prevention designs, and utilizing
backups and fail-safe procedures. CETC doesn’t have responsibility for any damages arising from the use of our
products beyond the rating specified by CETC.
3) All the information contained in this document, such as the examples of application circuits, circuit constants, is
provided only to illustrate the standard usage and operations of the products. The other relevant conditions must be
taken into consideration when designing circuits for mass production.
4) The information specified in this document is intended only to show the typical functions and examples of
application circuits for the products. CETC does not grant you, explicitly or implicitly, any license to use or exercise
intellectual property or other rights held by CETC or any other parties. CETC shall have no responsibility whatsoever
for any dispute arising from the use of such technical information.
5) The products specified in this document are not designed to be radiation tolerant.
6) For use of our products in applications requiring a high degree of reliability (as exemplified below), please contact
and consult with a CETC representative: transportation equipment (cars, ships, trains, etc.), primary communication
equipment, traffic lights, fire/crime prevention, safety equipment, medical systems, and power transmission systems.
7) Do not use our products in applications requiring extremely high reliability, such as aerospace equipment, nuclear
power control systems and submarine repeaters.
8) CETC shall not be responsible for any damages or injury caused by non-compliance with the recommended
usage conditions and specifications contained in this document.
9) CETC has used reasonable care to ensure the accuracy of the information contained in this document. However,
CETC does not guarantee the information contained in this document is totally correct, and CETC doesn’t have
responsibility for any damages arising from any inaccuracy or misprint of such information.
10) Please use the products in accordance with any applicable environmental laws and regulations, such as the
RoHS Directive. For more details, including RoHS compatibility, please contact a CETC marketing manager. CETC
doesn’t have responsibility for any damages or losses arising from disobedience to any relevant laws or regulations.
11) When providing our products and technologies contained in this document to other countries or regions, you must
comply with the procedures and provisions stipulated by all the applicable export laws and regulations, including but
not limited to the relevant laws or regulations.
12) The information contained in this document is subject to change without notice.
13) Neither part nor all of this file is allowed to be reprinted or reproduced without authorization of CETC.
14) CETC reserves the right to the final interpretation.
▏ADD:
No.166 Zhengfang Middle Road, Jiangning District, Nanjing, Jiangsu Province
▏Contact
Person: YONG YANG, NAN WANG
▏TEL：025-68005861,
13770574989
CETC All rights reserved.
5
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
