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PTB23003X - NPN microwave power transistor

Description

NPN silicon planar epitaxial microwave power transistor in a metal ceramic SOT440A flange package with base connected to the flange.

Marking code: 2303X.

Fig.1 Simplified outline and symbol.

Features

  • Diffused emitter ballasting resistors providing excellent current sharing and withstanding a high VSWR.
  • Interdigitated structure provides high emitter efficiency.
  • Multicell geometry gives good balance of dissipated power and low thermal resistance.
  • Localized thick oxide auto-alignment process and gold sandwich metallization ensure an optimum temperature profile and excellent performance and reliability.

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Full PDF Text Transcription

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DISCRETE SEMICONDUCTORS DATA SHEET handbook, halfpage M3D031 PTB23003X NPN microwave power transistor Product specification Supersedes data of 1997 Feb 19 1997 Nov 13 Philips Semiconductors Product specification NPN microwave power transistor FEATURES • Diffused emitter ballasting resistors providing excellent current sharing and withstanding a high VSWR • Interdigitated structure provides high emitter efficiency • Multicell geometry gives good balance of dissipated power and low thermal resistance • Localized thick oxide auto-alignment process and gold sandwich metallization ensure an optimum temperature profile and excellent performance and reliability. APPLICATIONS Common-base, class B power amplifiers up to 4.2 GHz.
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