(PDF) STD840DN40 Datasheet - Dual NPN High Voltage Transistors

Número de pieza	STD840DN40
Descripción	Dual NPN High Voltage Transistors
Fabricantes	ST Microelectronics
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No Preview Available ! 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 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 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 Order code Marking STD840DN40 D840DN40 Package DIP-8 Packaging Tube November 2009 Doc ID 16796 Rev 1 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. 1/9 www.st.com 9 1 page STD840DN40 3 Test circuit Figure 8. Resistive load switching test circuit Test circuit 1. Fast electronic switch 2. Non-inductive resistor www.DataSheet4U.com Doc ID 16796 Rev 1 5/9 5 Page

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PDF STD840DN40 Data sheet ( Hoja de datos )