STD840DN40 transistors equivalent, dual npn high voltage transistors.
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Low VCE(sat) Simplified circuit design Reduced component count Fast switching speed
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Applications
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Compact fluorescent lamp (CF.
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Compact fluorescent lamp (CFL) 220 V mains Electronic ballast for fluorescent lighting
DIP-8
Description
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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
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