TRANS NPN HV CRT 700V 8A TO-247

BU508AW

Manufacturer Part NumberBU508AW
DescriptionTRANS NPN HV CRT 700V 8A TO-247
ManufacturerSTMicroelectronics
BU508AW datasheet
 


Specifications of BU508AW

Transistor TypeNPNCurrent - Collector (ic) (max)8A
Voltage - Collector Emitter Breakdown (max)700VVce Saturation (max) @ Ib, Ic1V @ 1.6A, 4.5A
Current - Collector Cutoff (max)200µADc Current Gain (hfe) (min) @ Ic, Vce10 @ 100mA, 5V
Power - Max125WMounting TypeThrough Hole
Package / CaseTO-247Transistor PolarityNPN
Mounting StyleThrough HoleCollector- Emitter Voltage Vceo Max700 V
Emitter- Base Voltage Vebo9 VMaximum Dc Collector Current8 A
Power Dissipation125000 mWMaximum Operating Temperature+ 150 C
Collector Emitter Voltage V(br)ceo700VPower Dissipation Pd125W
Dc Collector Current8ADc Current Gain Hfe10
Operating Temperature Range-65°C To +150°CLead Free Status / RoHS StatusLead free / RoHS Compliant
Frequency - Transition-Other names497-7196-5
BU508AW
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Features
State-of-the-art technology:
– Diffused collector “Enhanced generation”
Stable performances versus operating
temperature variation
Low base-drive requirement
Tight h
range at operating collector current
FE
High ruggedness
TO-247 semi-insulated power package
Applications
Horizontal deflection output for CRT TV
Switch mode power supplies for CRT TV
Description
The BU508AW is manufactured using diffused
collector in planar technology adopting new and
enhanced high voltage structure for updated
performance to the horizontal deflection stage.
Table 1.
Device summary
Order code
Marking
BU508AW
BU508AW
August 2007
High voltage NPN power transistor for standard
Figure 1.
Package
TO-247
Rev 2
BU508AW
definition CRT display
3
2
1
TO-247
Internal schematic diagram
Packaging
Tube
www.st.com
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BU508AW Summary of contents

  • Page 1

    ... Applications ■ Horizontal deflection output for CRT TV ■ Switch mode power supplies for CRT TV Description The BU508AW is manufactured using diffused collector in planar technology adopting new and enhanced high voltage structure for updated performance to the horizontal deflection stage. Table 1. Device summary Order code ...

  • Page 2

    ... Content Content 1 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves 2.2 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2/11 BU508AW ...

  • Page 3

    ... BU508AW Electrical ratings 1 Table 2. Absolute maximum rating Symbol V Collector-emitter voltage (V CES V Collector-emitter voltage (I CEO V Collector-base voltage (I EBO I Collector current C I Collector peak current ( Base current B P Total dissipation at T TOT T Storage temperature stg T Max. operating junction temperature J Table 3. Thermal data Symbol ...

  • Page 4

    ... Storage time s t Fall time f 1. Pulsed: Pulse duration = 300 ms, duty cycle 1.5 % 4/11 Parameter Test conditions V = 1500V CE = 1500V 100mA -2.7V f BE(off 4.5µH BB(off) BU508AW Min. Typ. Max. 0 125° 700 0.5A B(on) = 16KHz 2.5 h 0.2 Unit µs ...

  • Page 5

    ... BU508AW 2.1 Electrical characteristics (curves) Figure 2. Safe operating area Figure 4. DC current gain Figure 6. Collector-emitter saturation voltage Electrical characteristics Figure 3. Derating curve Figure 5. DC current gain Figure 7. Base-emitter saturation voltage 5/11 ...

  • Page 6

    ... Electrical characteristics Figure 8. Output characteristics 6/11 BU508AW ...

  • Page 7

    ... BU508AW 2.2 Test circuits Figure 9. Power losses and inductive load switching Figure 10. Reverse biased safe operating area Electrical characteristics 7/11 ...

  • Page 8

    ... These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK trademark. ECOPACK specifications are available at: 8/11 www.st.com BU508AW ...

  • Page 9

    ... BU508AW DIM øP øR S TO-247 MECHANICAL DATA mm. MIN. TYP MAX. 4.85 5.15 2.20 2.60 1.0 1.40 2.0 2.40 3.0 3.40 0.40 0.80 19.85 20.15 15.45 15.75 5.45 14.20 14.80 3.70 4.30 18.50 3.55 3.65 4.50 5.50 5.50 Package mechanical data inch MIN ...

  • Page 10

    ... Revision history 4 Revision history Table 5. Document revision history Date 02-Mar-2007 14-Aug-2007 10/11 Revision 1 Initial release. Complete document, added all curves 2 (curves) BU508AW Changes (2.1: Electrical characteristics ...

  • Page 11

    ... BU508AW Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...