(PDF) STD845DN40 Datasheet - Dual NPN high voltage transistors

Número de pieza	STD845DN40
Descripción	Dual NPN high voltage transistors
Fabricantes	ST Microelectronics
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No Preview Available ! www.DataSheet4U.com STD845DN40 Dual NPN high voltage transistors in a single package Preliminary data Features ■ Low VCE(sat) ■ Simplified circuit design ■ Reduced component count ■ Fast switching speed Applications ■ Compact fluorescent lamp (CFL) 220 V mains ■ Electronic ballast for fluorescent lighting 8 1 4 DIP-8 Description The device is a dual NPN high voltage power transistor manufactured using multi-epitaxial planar technology. It is housed in dual-island DIP- 8 package with separated terminals to provide a high degree of assembly flexibility. Figure 1. Internal schematic diagram Table 1. Device summary Order code Marking STD845DN40 D845DN40 Package DIP-8 Packaging Tube March 2010 Doc ID 17211 Rev 1 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. 1/10 www.st.com 10 1 page STD845DN40 Figure 8. Resistive load fall time www.DataSheet4U.com Electrical characteristics Figure 9. Resistive load storage time Figure 10. Reverse biased safe operating area Doc ID 17211 Rev 1 5/10 5 Page

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PDF STD845DN40 Data sheet ( Hoja de datos )