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LTE42012R - NPN microwave power transistor

General Description

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

Key Features

  • Interdigitated structure provides high emitter efficiency.
  • Diffused emitter ballasting resistor provides excellent current sharing and withstanding a high VSWR.
  • Gold metallization realizes very stable characteristics and excellent lifetime.
  • Multicell geometry gives good balance of dissipated power and low thermal resistance.
  • Input matching cell improves input impedance and allows an easier design of wideband circuits.

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Full PDF Text Transcription for LTE42012R (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LTE42012R. For precise diagrams, and layout, please refer to the original PDF.

DISCRETE SEMICONDUCTORS DATA SHEET LTE42012R NPN microwave power transistor Product specification Supersedes data of June 1992 1997 Feb 21 Philips Semiconductors Product s...

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ersedes data of June 1992 1997 Feb 21 Philips Semiconductors Product specification NPN microwave power transistor FEATURES • Interdigitated structure provides high emitter efficiency • Diffused emitter ballasting resistor provides excellent current sharing and withstanding a high VSWR • Gold metallization realizes very stable characteristics and excellent lifetime • Multicell geometry gives good balance of dissipated power and low thermal resistance • Input matching cell improves input impedance and allows an easier design of wideband circuits. APPLICATIONS • Common emitter class-A power amplifiers up to 4.2 GHz in CW condi