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Technical content
1.1 General description
The BFR520 is an NPN silicon planar epitaxial transistor in a SOT23 plastic package.
1.2 Features and benefits
Gold metallization ensures excellent reliability.
1.3 Applications
Repeater amplifiers in fiber-optic systems.
1.4 Quick reference data
Table 1. Quick reference data
[1] T sp is the temperature at the soldering point of the collector tab. Table 1. Quick reference data …continued Table 2. Pinning Table 3. Ordering information Table 4. Marking
[1] T sp is the temperature at the soldering point of the collector tab. [1] T sp is the temperature at the soldering point of the collector tab. Table 5. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Table 6. Thermal characteristics Table 7. Characteristics j =2 5 C unless otherwise specified.
Measured at f(2pq) = 898 MHz and f(2qp) =9 0 4M H z . Table 7. Characteristics …continued Tj =2 5 C unless otherwise specified.
Product data sheet Rev. 4 — 13 September 2011 5 of 14 NXP Semiconductors BFR520 NPN 9 GHz wideband transistor IC = 0 A; f = 1 MHz. Tamb =2 5 C; f = 1 GHz. Fig 3. Feedback capacitance as a function of collector-base voltage. Fig 4. Transition frequency as a function of collector current. VCE = 6 V; f = 900 MHz. VCE = 6 V; f = 2 GHz. Fig 5. Gain as a function of collector current; f = 900 MHz. Fig 6. Gain as a function of collector current; f=2G H z . mra704 0.6 0.4 0.2 048 1 2 Cre (pF) VCB (V) mra705 fT (GHz) IC (mA) 10−1 11 0 1 02 VCE = 6 V 3 V mra70625 01 0 2 0 3 0 gain (dB) I C (mA) MSG Gmax GUM mra707 gain (dB) IC (mA) 01 0 2 0 3 0 Gmax GUM
Product data sheet Rev. 4 — 13 September 2011 6 of 14 NXP Semiconductors BFR520 NPN 9 GHz wideband transistor VCE =6 V ; IC =5 m A . VCE =6 V ; IC = 20 mA. Fig 7. Gain as a function of frequency; I C = 5 mA. Fig 8. Gain as a function of frequency; I C = 20 mA. VCE =6 V . VCE =6 V . Fig 9. Minimum noise figure and associated available gain as functions of collector current. Fig 10. Minimum noise figure and associated available gain as functions of frequency. mra708 gain (dB) f (MHz)10 10 2 103 104 Gmax GUM MSG mra709 gain (dB) f (MHz)10 10 2 103 104 Gmax GUM MSG 2 5 Gass (dB) Fmin (dB) IC (mA) mra714 1 10210 Fmin Gass 900 900 500 1000 1000 2000 2000 f (MHz) 2 5 Gass (dB) Fmin (dB) f (MHz) mra715 102 104103 Fmin 5 20 Gass IC (mA)
Product data sheet Rev. 4 — 13 September 2011 7 of 14 NXP Semiconductors BFR520 NPN 9 GHz wideband transistor Zo = 50 ; VCE =6 V ; IC = 5 mA; f = 900 MHz. Fig 11. Noise circle figure; f = 900 MHz. Zo = 50 ; VCE =6 V ; IC = 5 mA; f = 2000 MHz. Fig 12. Noise circle figure; f = 2000 MHz. 90° −90° 50.50.20 −0.2 +0.5 −0.5 21 0 0.2 0.6 0.4 0.8 1.0 1.0 −45°−135° 45°135° 180° 0° mra716 stability circle pot. unst. region F = 3 dB F = 2 dB F = 1.5 dB Fmin = 1.1 dB ΓOPT +0.2 mra717 90° −90° 50.50.2 +0.2 −0.2 +0.5 −0.5 21 0 0.2 0.6 0.4 0.8 1.0 1.0 −45°−135° 45°135° 180° 0° F = 3 dB F = 2.5 dB ΓOPTΓMS Fmin = 1. 9 dB G = 9 dB G = 8 dB G = 7 dB F = 2 dB Gmax = 9.3 dB
Product data sheet Rev. 4 — 13 September 2011 8 of 14 NXP Semiconductors BFR520 NPN 9 GHz wideband transistor VCE =6 V ; IC = 20 mA; Zo = 50 . Fig 13. Common emitter input reflection coefficient (s11). VCE =6 V ; IC = 20 mA. Fig 14. Common emitter forward transmission coefficient (s21). mra710 90° −90° 50.50.2 +0.2 −0.2 +0.5 −0.5 21 10 0 0.2 0.6 0.4 0.8 1.0 1.0 −45°−135° 45°135° 180° 0°
3 GHz
40 MHz
90° −90° −45°−135° 45°135° 0°0180° 50 40 30 20 10
Product data sheet Rev. 4 — 13 September 2011 9 of 14 NXP Semiconductors BFR520 NPN 9 GHz wideband transistor VCE =6 V ; IC = 20 mA. Fig 15. Common emitter reverse transmission coefficient (s12). VCE =6 V ; IC = 20 mA; Zo = 50 . Fig 16. Common emitter output reflection coefficient (s22). mra712 90° −90° −45°−135° 45°135° 90° −90° 50.50.2 +0.2 −0.2 +0.5 −0.5 21 10 0 0.2 0.6 0.4 0.8 1.0 1.0 −45°−135° 45°135° 180° 0°
Product data sheet Rev. 4 — 13 September 2011 10 of 14 NXP Semiconductors BFR520 NPN 9 GHz wideband transistor 8. Package outline Fig 17. Package outline SOT23 (TO-236AB). UNIT A1 max. bp cD E e1 HE Lp Qw v REFERENCESOUTLINE VERSION EUROPEAN PROJECTION ISSUE DATE 04-11-04 06-03-16 IEC JEDEC JEITA mm 0.1 0.48 0.38 0.15 0.09 3.0 2.8 1.4 1.2 0.95 e 1.9 2.5 2.1 0.55 0.45 0.10.2 DIMENSIONS (mm are the original dimensions) 0.45 0.15 SOT23 TO-236AB bp D e A Lp Q detail X HE E w M v M A B AB 0 1 2 mm scale A 1.1 0.9 c X Plastic surface-mounted package; 3 leads SOT23
Table 8. Revision history guidelines of NXP Semiconductors.
- Legal texts have been adapted to the new company name where appropriate.
- Package outline drawings have been updated to the latest version. BFR520 v.3 (9397 750 13397) 20040901 Product data sheet - BFR520_CNV v.2 BFR520_CNV v.2 19971204 Product specification - -
Product data sheet Rev. 4 — 13 September 2011 12 of 14 NXP Semiconductors BFR520 NPN 9 GHz wideband transistor 10. Legal information
10.1 Data sheet status
[1] Please consult the most recently issued document before initiating or completing a design. [2] The term ‘short data sheet’ is explained in section “Definitions”. [3] The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status information is available on the Internet at URL http://www.nxp.com.
10.2 Definitions
Draft — The document is a draft version only. The content is still under internal review and subject to formal approval, which may result in modifications or additions. NXP Semiconductors does not give any representations or warranties as to the accuracy or completeness of information included herein and shall have no liability for the consequences of use of such information. Short data sheet — A short data sheet is an extract from a full data sheet with the same product type number(s) and title. A short data sheet is intended for quick reference only and should not be relied upon to contain detailed and full information. For detailed and full information see the relevant full data sheet, which is available on request via the local NXP Semiconductors sales office. In case of any inconsistency or conflict with the short data sheet, the full data sheet shall prevail. Product specification — The information and data provided in a Product data sheet shall define the specification of the product as agreed between NXP Semiconductors and its customer, unless NXP Semiconductors and customer have explicitly agreed otherwise in writing. In no event however, shall an agreement be valid in which the NXP Semiconductors product is deemed to offer functions and qualities beyond those described in the Product data sheet.
10.3 Disclaimers
Limited warranty and liability — Information in this document is believed to be accurate and reliable. However, NXP Semiconductors does not give any representations or warranties, expressed or implied, as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. In no event shall NXP Semiconductors be liable for any indirect, incidental, punitive, special or consequential damages (including - without limitation - lost profits, lost savings, business interruption, costs related to the removal or replacement of any products or rework charges) whether or not such damages are based on tort (including negligence), warranty, breach of contract or any other legal theory. Notwithstanding any damages that customer might incur for any reason whatsoever, NXP Semiconductors’ aggregate and cumulative liability towards customer for the products described herein shall be limited in accordance with the Terms and conditions of commercial sale of NXP Semiconductors. Right to make changes — NXP Semiconductors reserves the right to make changes to information published in this document, including without limitation specifications and product descriptions, at any time and without notice. This document supersedes and replaces all information supplied prior to the publication hereof. Suitability for use — NXP Semiconductors products are not designed, authorized or warranted to be suitable for use in life support, life-critical or safety-critical systems or equipment, nor in applications where failure or malfunction of an NXP Semiconductors product can reasonably be expected to result in personal injury, death or severe property or environmental damage. NXP Semiconductors accepts no liability for inclusion and/or use of NXP Semiconductors products in such equipment or applications and therefore such inclusion and/or use is at the customer’s own risk. Applications — Applications that are described herein for any of these products are for illustrative purposes only. NXP Semiconductors makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. Customers are responsible for the design and operation of their applications and products using NXP Semiconductors products, and NXP Semiconductors accepts no liability for any assistance with applications or customer product design. It is customer’s sole responsibility to determine whether the NXP Semiconductors product is suitable and fit for the customer’s applications and products planned, as well as for the planned application and use of customer’s third party customer(s). Customers should provide appropriate design and operating safeguards to minimize the risks associated with their applications and products. NXP Semiconductors does not accept any liability related to any default, damage, costs or problem which is based on any weakness or default in the customer’s applications or products, or the application or use by customer’s third party customer(s). Customer is responsible for doing all necessary testing for the customer’s applications and products using NXP Semiconductors products in order to avoid a default of the applications and the products or of the application or use by customer’s third party customer(s). NXP does not accept any liability in this respect. Limiting values — Stress above one or more limiting values (as defined in the Absolute Maximum Ratings System of IEC 60134) will cause permanent damage to the device. Limiting values are stress ratings only and (proper) operation of the device at these or any other conditions above those given in the Recommended operating conditions section (if present) or the Characteristics sections of this document is not warranted. Constant or repeated exposure to limiting values will permanently and irreversibly affect the quality and reliability of the device. Terms and conditions of commercial sale — NXP Semiconductors products are sold subject to the general terms and conditions of commercial sale, as published at http://www.nxp.com/profile/terms , unless otherwise agreed in a valid written individual agreement. In case an individual agreement is concluded only the terms and conditions of the respective agreement shall apply. NXP Semiconductors hereby expressly objects to applying the customer’s general terms and conditions with regard to the purchase of NXP Semiconductors products by customer. No offer to sell or license — Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights. Export control — This document as well as the item(s) described herein may be subject to export control regulations. Export might require a prior authorization from national authorities. Document status[1][2] Product status[3] Definition Objective [short] data sheet Development This document contains data from the objective specification for product development. Preliminary [short] data sheet Qualification This document contains data from the preliminary specification. Product [short] data sheet Production This document contains the product specification.
Product data sheet Rev. 4 — 13 September 2011 13 of 14 NXP Semiconductors BFR520 NPN 9 GHz wideband transistor Quick reference data — The Quick reference data is an extract of the product data given in the Limiting values and Characteristics sections of this document, and as such is not complete, exhaustive or legally binding. Non-automotive qualified products — Unless this data sheet expressly states that this specific NXP Semiconductors product is automotive qualified, the product is not suitable for automotive use. It is neither qualified nor tested in accordance with automotive testing or application requirements. NXP Semiconductors accepts no liability for inclusion and/or use of non-automotive qualified products in automotive equipment or applications. In the event that customer uses the product for design-in and use in automotive applications to automotive specifications and standards, customer (a) shall use the product without NXP Semiconductors’ warranty of the product for such automotive applications, use and specifications, and (b) whenever customer uses the product for automotive applications beyond NXP Semiconductors’ specifications such use shall be solely at customer’s own risk, and (c) customer fully indemnifies NXP Semiconductors for any liability, damages or failed product claims resulting from customer design and use of the product for automotive applications beyond NXP Semiconductors’ standard warranty and NXP Semiconductors’ product specifications.
10.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. 11. Contact information For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com
NPN 9 GHz wideband transistor © NXP B.V. 2011. All rights reserved. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com Date of release: 13 September 2011 Document identifier: BFR520 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. 12. Contents