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MD1802FX
High voltage NPN power transistor for standard definition CRT display
August 2007 Rev 2 1/11
MD1802FXHigh voltage NPN power transistor for standard
definition CRT display
Features State-of-the-art technology: Diffused collector “Enhanced generation” Stable performances versus operating
temperature variation Low base-drive requirements Tight hFE range at operating collector current Fully insulated power package U.L. compliant
Applications Horizontal deflection output for TV Switch mode power supplies for CRT TV
DescriptionThe MD1802FX is manufactured using Diffused
Collector in Planar Technology adopting new and
enhanced high voltage structure. The new MD
product series show improved silicon efficiency
bringing updated performance to the Horizontal
Deflection stage.
Figure 1. Internal schematic diagram
Table 1. Device summary
Content MD1802FX2/11
Content Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 T est circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
MD1802FX Electrical ratings
3/11 Electrical ratings
Table 3. Thermal data
Table 2. Absolute maximum rating
Electrical characteristics MD1802FX
4/11 Electrical characteristics
(Tcase = 25°C unless otherwise specified)
Table 4. Electrical characteristics Pulsed: Pulse duration = 300 ms, duty cycle 1.5 %
MD1802FX Electrical characteristics
5/11
2.1 Electrical characteristics (curves)
Figure 2. Safe operating area Figure 3. Derating curve
Figure 4. DC current gain Figure 5. DC current gain
Figure 6. Collector-emitter saturation
voltage
Figure 7. Base-emitter saturation
voltage
Electrical characteristics MD1802FX
6/11
Figure 8. Output characteristics