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The MT3S20TU(TE85L) is an NPN silicon RF bipolar transistor manufactured by Toshiba Semiconductor and Storage. It operates in the ultra-high frequency band with a transition frequency of 7GHz. The device supports a maximum collector current of 80mA and a collector-emitter breakdown voltage of 12V. Maximum power dissipation is rated at 900mW. It is designed for surface-mount installation in UFM packages, suitable for VHF and UHF radio frequency applications.
Verify component authenticity through authorized distributors due to obsolete status. Confirm package integrity upon receipt as surface-mount devices are sensitive to handling. Check datasheet revisions for any parameter updates prior to integration into final designs.
Select this component for high-frequency RF applications requiring moderate power handling. Ensure thermal management strategies accommodate the 900mW dissipation rating. Compare against newer alternatives if long-term supply continuity is critical for production cycles.
This part belongs to Toshiba's discrete semiconductor product line focusing on RF bipolar junction transistors. It complements other models like the MT3S16U within the manufacturer's portfolio for various frequency bands and power levels.
Public confirmed substitutes include BFR380FH6327XTSA1 from Infineon Technologies and MRF454 from MACOM Technology Solutions. Verify pinout compatibility and electrical specifications before substitution.