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STD840DN40

Part Number	STD840DN40
Manufacturer	ST Microelectronics
Description	Dual NPN High Voltage Transistors
Published	Dec 17, 2009
Detailed Description	STD840DN40 Dual NPN high voltage transistors in a single package Preliminary data Features ■ ■ ■ ■ Low VCE(sat) Simpli...
Datasheet	STD840DN40 PDF File

Overview

STD840DN40 Dual NPN high voltage transistors in a single package Preliminary data Features ■ ■ ■ ■ Low VCE(sat) Simplified circuit design Reduced component count Fast switching speed 8 4 1 Applications ■ ■ Compact fluorescent lamp (CFL) 220 V mains Electronic ballast for fluorescent lighting DIP-8 Description The device is a dual NPN high voltage power transistors manufactured in multi-epitaxial planar technology.
It is housed in dual island DIP-8 package with separated terminals for high assembly flexibility.
Figure 1.
Internal schematic diagram www.
DataSheet4U.
com Table 1.
Device summary Marking D840DN40 Package DIP-8 Packaging Tube Order code STD840DN40 November 2009 Doc ID ...

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STD840DN40 Dual NPN High Voltage Transistors - ST Microelectronics

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