Diotec Semiconductor AG 79423 Heitersheim Tel.: +49-7634-5266-0 mail@diotec.com
Kreuzmattenstr. 4 Germany Fax: +49-7634-5266-61 www.diotec.com
Version 2005-11-03
Diotec Products
for Telecommunication
Typical Applications:
Handsets, Mobile Chargers, Modems, Interfaces, Power Supplies,
Equipment and Line Cards
Handsets Î SMD Schottky Diodes
Mobile Chargers Î Bridge Rectifiers:
MiniDIL, MicroDIL
DC/DC-Converter Î Schottky Diodes, Superfast-/
Ultrafast-Rectifiers
Protection Î TVS-Diodes, SDA2/4AK (Low Cj),
(Fast) Bridge Rectifiers
Voltage Regulation Î Zener Diodes
OR-ing Diodes Î Schottky Diodes, Standard
Rectifiers
Diotec Products for
Telecommunication
www.diotec.com 11/2005
Handsets, Mobile Phones
Schottky Diodes for Polarity Protection
Connected between the battery of the mobile phone (or any other portable device) and the contacts to
the external charger. They protect the battery of unwanted reverse current if contacts a re short cut and
also against charging with wro ng polarity. Low forward voltage drop of a Schottky rectifier leads to
small power losses duri ng charging. The SGL34 and SGL1 in the MiniMELF package use minimal
space on a PCB.
Types
1
SMD:
SGL34-20…100, SGL1-20 …100, SMS120…1100, SMS220…2100, SMS320…3100;
SK12…110, SK32SMA…310SMA, SK52…510, SK82…810; (0.5 to 8 A!)
1
Preferred types are bold; colours according to Diotec Selection Guide