P.1
SGE0006_Dec. 20, 2019
Diodes by Application
SANKEN ELECTRIC CO., LTD.
All the contents in this document are as of date of publication. Make sure
that this is the latest revision of the document before use. Please check
the details of the product by data sheet.
https://www.sanken-ele.co.jp/en
Selection Guide
Description
Offline Non-isolated Circuit（Buck/Buck-boost)
Freewheeling Diode
Offline Isolated Circuit (Flyback)
Secondary-side Rectifier Diode
Auxiliary Switch Diode for Snubber (SARS Series)
Current Resonant Circuit
Bootstrap Diode
Secondary-side Rectifier Diode
PFC Circuit
Bypass Diode
Boost Diode
P.2
SGE0006_Dec. 20, 2019
Diodes by Application
AC/DC Convertor
VAC
VOUT
AC/DC
Convertor
VAC
VOUT
VOUT
GND
AC/DC
Convertor
GND
REG
VS
VAC
V
PFCOUT
PFC
Contr ol IC
AC/DC Convertor
VAC
VOUT
Sanken provides diodes used for peripheral power supply circuit.
For more information, refer to Sanken’s website.
Freewheeling Diode
Snubber Diode →
p.5
Secondary-side Rectifier Diode
Diode for Bootstrap →
p.6
Bypass Diode → p.7
Offline Non-isolated Circuit (Buck/ Buck-boost)
Offline Isolated Circuit (Flyback)
Current Resonant Circuit
Power Factor Correction (PFC)
Off-line Buck Converter
Off-line Buck-boost Converter
Secondary-side Rectifier Diode
Boost Diode →p.8
Low Power Application
Motor Control Power Supply
Auxiliary Power Supply
LED Lighting, etc.
Low to Middle Power Application
Adapter
Auxiliary Power Supply
LED Lighting, etc.
High Power Application
OA, AV
Industrial Equipment
LED Street Light, etc.
Application for ≥75 W
Industrial Equipment
LED Lighting, etc.
• Fast recovery diode
→
p.4
• Schottky diode
→
p.3
• Fast Recovery diode
→
p.4
• Schottky diode
→
p.3
• Fast Recovery diode
→
p.4