2SC4915 TOSHIBA Transistor Silicon NPN Epitaxial Planar Type 2SC4915 High Frequency Amplifier Applications FM, RF, MIX, If Amplifier Applications Unit: mm • Small reverse transfer capacitance: Cre = 0.55 pF (typ.) • Low noise figure: NF = 2.3dB (typ.) Absolute Maximum Ratings (Ta = 25°C) Characteristics Symbol Rating Unit Collector-base voltage VCBO 40 V Collector-emitter voltage VCEO 30 V Emitter-base voltage VEBO 4 V Collector current IC 20 mA Base current IB 4 mA Collector power dissipation PC 100 mW Junction temperature Tj 125 °C Tstg −55~125 °C Storage temperature range Note: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook (“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). JEDEC ― JEITA ― TOSHIBA 2-2H1A Weight: 2.4 mg (typ.) Electrical Characteristics (Ta = 25°C) Characteristics Symbol Test Condition Min Typ. Max Unit Collector cut-off current ICBO VCB = 40 V, IE = 0 A ⎯ ⎯ 0.1 μA Emitter cut-off current IEBO VEB = 4 V, IC = 0 A ⎯ ⎯ 0.5 μA VCE = 6 V, IC = 1 mA 40 ⎯ 200 Cre VCB = 6 V, f = 1 MHz ⎯ 0.55 ⎯ pF fT VCE = 6 V, IC = 1 mA 260 550 ⎯ MHz VCE = 6 V, IE = −1 mA, f = 30 MHz ⎯ ⎯ 20 ps VCC = 6 V, IE = −1 mA, f = 100 MHz, Figure 1 ⎯ 2.3 5.0 dB 17 23 ⎯ dB DC current gain Reverse transfer capacitance Transition frequency Collector-base time constant hFE (Note) Cc･rbb’ Noise figure NF Power gain Gpe Note: hFE classification R: 40~80, O: 70~140, Y: 100~200 1 2007-11-01 2SC4915 L1: 0.8 mmφ silver plated copper wire, 4 T, 10 mm ID, 8 mm length Figure 1 NF, Gpe Test Circuit Marking 2 2007-11-01 2SC4915 3 2007-11-01 2SC4915 4 2007-11-01 2SC4915 RESTRICTIONS ON PRODUCT USE • Toshiba Corporation, and its subsidiaries and affiliates (collectively “TOSHIBA”), reserve the right to make changes to the information in this document, and related hardware, software and systems (collectively “Product”) without notice. • This document and any information herein may not be reproduced without prior written permission from TOSHIBA. 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