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| BFR181TF Vishay Semiconductors Silicon NPN Planar RF Transistor Description The main purpose of this bipolar transistor is broadband amplification up to 2 GHz. In the space-saving 3-pin surface-mount SOT-490 package electrical performance and reliability are taken to a new level covering a smaller footprint on PC boards than previous packages. In addition to space savings, the SOT-490 provides a higher level of reliability than other 3-pin packages, such as more resistance to moisture. Due to the short length of its leads the SOT-490 is also reducing package inductances resulting in some bet- 1 2 3 16867 Electrostatic sensitive device. Observe precautions for handling. ter electrical performance. All of these aspects make this device an ideal choice for demanding RF applications. Applications For low noise and high gain broadband amplifiers at collector currents from 0.5 mA to 12 mA. Features * * * * * Small feedback capacitance Low noise figure e3 High power gain Lead (Pb)-free component Component in accordance to RoHS 2002/95/EC and WEEE 2002/96/EC Mechanical Data Typ: BFR181TF Case: SOT-490 Plastic case Weight: approx. 2.5 mg Pinning: 1 = Collector, 2 = Base, 3 = Emitter Parts Table Part BFR181TF RF Marking SOT-490 Package Absolute Maximum Ratings Tamb = 25 C, unless otherwise specified Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Total power dissipation Junction temperature Storage temperature range Tamb 78 C Test condition Symbol VCBO VCEO VEBO IC IB Ptot Tj Tstg Value 15 10 2 20 2 160 150 - 65 to + 150 Unit V V V mA mA mW C C Document Number 85100 Rev. 1.3, 28-Apr-05 www.vishay.com 1 BFR181TF Vishay Semiconductors Maximum Thermal Resistance Parameter Junction ambient 1) 1) Test condition Symbol RthJA Value 450 Unit K/W on glass fibre printed board (25 x 20 x 1.5) mm3 plated with 35 m Cu Electrical DC Characteristics Tamb = 25 C, unless otherwise specified Parameter Collector-emitter cut-off current Collector-base cut-off current Emitter-base cut-off current Collector-emitter breakdown voltage Collector-emitter saturation voltage Test condition VCE = 15 V, VBE = 0 VCB = 10 V, IE = 0 VEB = 1 V, IC = 0 IC = 1 mA, IB = 0 IC = 15 mA, IB = 1.5 mA Symbol ICES ICBO IEBO V(BR)CEO VCEsat hFE hFE 50 10 0.1 100 100 0.4 Min Typ. Max 100 100 1 Unit A nA A V V DC forward current transfer ratio VCE = 6 V, IC = 5 mA VCE = 6 V, IC = 10 mA www.vishay.com 2 Document Number 85100 Rev. 1.3, 28-Apr-05 BFR181TF Vishay Semiconductors Electrical AC Characteristics Tamb = 25 C, unless otherwise specified Parameter Transition frequency Test condition VCE = 3 V, IC = 6 mA, f = 500 MHz VCE = 8 V, IC = 20 mA, f = 500 MHz Collector-base capacitance Collector-emitter capacitance Emitter-base capacitance Noise figure VCB = 10 V, f = 1 MHz VCE = 10 V, f = 1 MHz VEB = 0.5 V, f = 1 MHz VCE = 5 V, IC = 3 mA, ZS = ZSopt, f = 900 MHz VCE = 5 V, IC = 3 mA, ZS = ZSopt, f = 1.75 GHz Power gain VCE = 8 V, ZS = 50 , ZL = ZLopt, IC = 8 mA, f = 900 MHz VCE = 8 V, ZS = 50 , ZL = ZLopt, IC = 8 mA, f = 1.75 GHz Transducer gain VCE = 8 V, IC = 8 mA, f = 900 MHz, ZO = 50 Symbol fT fT Ccb Cce Ceb F F Gpe Gpe |S21e|2 Min Typ. 7 8 0.3 0.2 0.4 1.4 2.2 16 12.5 15 Max Unit GHz GHz pF pF pF dB dB dB dB dB Package Dimensions in mm 0.6 (0.023) 0.8 (0.031) 0.1 A 3 x 0.20 (0.008) 3 x 0.30 (0.012) 0.1 B 1.5 (0.059) 1.7 (0.066) 0.4 (0.016) ISO Method E 0.65(0.026) 0.75 (0.029) 0.95 (0.037) 1.15(0.045) 16866 0.5 (0.016) 1.0 (0.039) 0.5 (0.016) Document Number 85100 Rev. 1.3, 28-Apr-05 0.10 (0.004) 0.20 (0.008) 1.5 (0.059) 1.7 (0.066) www.vishay.com 3 BFR181TF Vishay Semiconductors Ozone Depleting Substances Policy Statement It is the policy of Vishay Semiconductor GmbH to 1. Meet all present and future national and international statutory requirements. 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. It is particular concern to control or eliminate releases of those substances into the atmosphere which are known as ozone depleting substances (ODSs). The Montreal Protocol (1987) and its London Amendments (1990) intend to severely restrict the use of ODSs and forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban on these substances. Vishay Semiconductor GmbH has been able to use its policy of continuous improvements to eliminate the use of ODSs listed in the following documents. 1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively 2. Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental Protection Agency (EPA) in the USA 3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C (transitional substances) respectively. Vishay Semiconductor GmbH can certify that our semiconductors are not manufactured with ozone depleting substances and do not contain such substances. We reserve the right to make changes to improve technical design and may do so without further notice. Parameters can vary in different applications. All operating parameters must be validated for each customer application by the customer. Should the buyer use Vishay Semiconductors products for any unintended or unauthorized application, the buyer shall indemnify Vishay Semiconductors against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany www.vishay.com 4 Document Number 85100 Rev. 1.3, 28-Apr-05 Legal Disclaimer Notice Vishay Notice Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right. The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Vishay for any damages resulting from such improper use or sale. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1 |
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