State-of-the-art technology: Diffused collector "Enhanced generation"
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BU508AW
State-of-the-art technology: Diffused collector "Enhanced generation" Stable performances versus operating temperature variation base-drive requirement Tight range operating collector current High ruggedness TO-247 semi-insulated power package compliance with 2002/93/EC European directive TO-247
Applications
Internal schematic diagram
Horizontal deflection output Switch mode power supplies
Description
BU508AW manufactured using Diffused Collector Planar Technology adopting enhanced high voltage structure updated performance Horizontal Deflection stage.
Order codes
Part Number BU508AW Marking BU508AW Package TO-247 Packaging Tube
March 2007
www.st.com
This preliminary information product development undergoing evaluation. Details subject change without notice.
Electrical ratings
BU508AW
Electrical ratings
Table
Symbol VCES VCEO VEBO PTOT Tstg
Absolute maximum rating
Parameter Collector-emitter voltage (VBE Collector-emitter voltage Collector-base voltage Collector current Collector peak current 5ms) Base current Total dissipation 25°C Storage temperature Max. operating junction temperature Value 1500 Unit
Table
Symbol
Thermal data
Parameter Value Unit °C/W
Rthj-case Thermal resistance junction-case _max
BU508AW
Electrical characteristics
Electrical characteristics
(Tcase 25°C unless otherwise specified) Table
Symbol ICES IEBO
Electrical characteristics
Parameter Collector cut-off current (VBE Emitter cut-off current Test conditions 1500V 1500V; 125°C Min. Typ. Max. Unit
Collector-emitter VCEO(sus) sustaining voltage VCE(sat) VBE(sat) Collector-emitter saturation voltage Base-emitter saturation voltage current gain Inductive load Storage time Fall time
100mA
4.5A 4.5A 0.1A 4.5A 4.5A
1.6A IB(on) 0.5A
VBE(off) -2.7V 16KHz LBB(off) 4.5µH
Pulsed: Pulse duration duty cycle
Electrical characteristics
BU508AW
Test circuits
Figure Power losses inductive load switching
Figure
Reverse biased safe operating area
BU508AW
Package mechanical data
Package mechanical data
order meet environmental requirements, offers these devices ECOPACK® packages. These packages have Lead-free second level interconnect. category second level interconnect marked package inner label, compliance with JEDEC Standard JESD97. maximum ratings related soldering conditions also marked inner label. ECOPACK trademark. ECOPACK specifications available www.st.com
Package mechanical data
BU508AW
TO-247 MECHANICAL DATA
MIN. 4.85 2.20 0.40 19.85 15.45 5.45 14.20 3.70 18.50 3.55 4.50 5.50 3.65 5.50 0.140 0.177 0.216 14.80 4.30 0.560 0.14 0.728 0.143 0.216 MAX. 5.15 2.60 1.40 2.40 3.40 0.80 20.15 15.75 MIN. 0.19 0.086 0.039 0.079 0.118 0.015 0.781 0.608 0.214 0.582 0.17 inch TYP. MAX. 0.20 0.102 0.055 0.094 0.134 0.03 0.793 0.620
DIM.
BU508AW
Revision history
Revision history
Table
Date 02-Mar-2007
Revision history
Revision Initial release. Changes
BU508AW
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