BAS521 Single high-voltage switching diode 29 June 2018 Product data sheet 1. General description Single high-voltage switching diode, fabricated in planar technology, and encapsulated in a SOD523 (SC-79) ultra small Surface-Mounted Device (SMD) plastic package. 2. Features and benefits • High switching speed: t ≤ 50 ns rr • High reverse voltage: V ≤ 300 V R • Repetitive peak forward current: I ≤ 1 A FRM • Ultra small SMD plastic package • AEC-Q101 qualified 3. Applications • High-speed switching • High-voltage switching 4. Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit I forward current T ≤ 90 °C [1] - - 250 mA F sp V repetitive peak reverse T = 25 °C - - 300 V RRM j voltage V reverse voltage - - 300 V R V forward voltage I = 100 mA; t = 300 µs; δ = 0.02; - 0.95 1.1 V F F p pulsed I reverse current V = 250 V - 30 150 nA R R t reverse recovery time I = 30 mA; I = 30 mA; R = 100 Ω; - 16 50 ns rr F R L I = 3 mA R(meas) [1] Tsp is the solder point temperature at the soldering point of the cathode tab.

Nexperia BAS521 Single high-voltage switching diode 5. Pinning information Table 2. Pinning information Pin Symbol Description Simplified outline Graphic symbol 1 K cathode K A 2 A anode 1 2 aaa-028035 SOD523 6. Ordering information Table 3. Ordering information Type number Package Name Description Version BAS521 SOD523 plastic, surface-mounted package; 2 leads; 1.2 mm x 0.8 mm x SOD523 0.6 mm body 7. Marking Table 4. Marking codes Type number Marking code BAS521 L4 BAS521 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet 29 June 2018 2 / 11

Nexperia BAS521 Single high-voltage switching diode 8. Limiting values Table 5. Limiting values In accordance with the Absolute Maximum Rating Sytem (IEC 60134). Symbol Parameter Conditions Min Max Unit V repetitive peak reverse T = 25 °C - 300 V RRM j voltage V reverse voltage - 300 V R I forward current T ≤ 90 °C [1] - 250 mA F sp I non-repetitive peak t = 1 µs; square wave [2] - 4.5 A FSM p forward current I repetitive peak forward t = 1 ms; δ = 0.25 - 1 A FRM p current P total power dissipation T ≤ 90 °C [1] [3] - 500 mW tot sp T junction temperature - 150 °C j T ambient temperature -65 150 °C amb T storage temperature -65 150 °C stg [1] Tsp is the solder point temperature at the soldering point of the cathode tab. [2] Tj = 25 °C prior to surge. [3] Reflow soldering is the only recommended soldering method. 9. Thermal characteristics Table 6. Thermal characteristics Symbol Parameter Conditions Min Typ Max Unit R thermal resistance In free air [1] [2] - - 500 K/W th(j-a) from junction to ambient R thermal resistance [3] - - 120 K/W th(j-sp) from junction to solder point [1] Device mounted on an FR4 PCB, single-sided copper, tin-plated and standard footprint. [2] Reflow soldering is the only recommended soldering method. [3] Soldering point of cathode tab. BAS521 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet 29 June 2018 3 / 11

Nexperia BAS521 Single high-voltage switching diode 103 aaa-028432 duty cycle = 1 Zth(j-a) 0.75 (K/W) 0.50 0.33 102 0.25 0.20 0.10 0.05 10 0.02 0.01 0 1 10-5 10-4 10-3 10-2 10-1 1 10 102 103 tp (s) FR4 PCB, standard footprint Fig. 1. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values 103 aaa-028433 Zth(j-a) duty cycle = 1 (K/W) 0.75 0.50 102 0.33 0.25 0.20 0.10 0.05 10 0.02 0.01 0 1 10-5 10-4 10-3 10-2 10-1 1 10 102 103 tp (s) 2 FR4 PCB, mounting pad for cathode 1 cm Fig. 2. Transient thermal impedance from junction to ambient as a function of pulse duration; typical values BAS521 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet 29 June 2018 4 / 11

Nexperia BAS521 Single high-voltage switching diode 10. Characteristics Table 7. Characteristics T = 25 °C unless otherwise specified. amb Symbol Parameter Conditions Min Typ Max Unit V reverse breakdown I = 100 µA 300 340 - V (BR)R R voltage V forward voltage I = 100 mA; t = 300 µs; δ = 0.02; - 0.95 1.1 V F F p pulsed I reverse current V = 250 V - 30 150 nA R R V = 250 V; T = 150 °C - 40 100 µA R amb C diode capacitance V = 0 V; f = 1 MHz - 0.4 5 pF d R t reverse recovery time I = 30 mA; I = 30 mA; R = 100 Ω; - 16 50 ns rr F R L I = 3 mA R(meas) 500 mhc618 102 mhc619 (mIFA ) IR (µA) 400 10 300 1 200 10-1 (1) (2) (3) 100 0 10-2 0 0.5 1 1.5 0 40 80 120 160 200 VF (V) Tj (°C) (1) T = 150° C V = V amb R Rmax (2) T = 75° C amb Fig. 4. Reverse current as a function of junction (3) T = 25° C amb temperature; typical values Fig. 3. Forward current as a function of forward voltage; typical values BAS521 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet 29 June 2018 5 / 11

Nexperia BAS521 Single high-voltage switching diode mhc620 mhc621 300 0.42 IF (CpFd) (mA) 200 0.38 100 0.34 0 0.3 0 50 100 150 200 0 10 20 30 40 Tamb (°C) VR (V) f = 1 MHz Fig. 5. Forward current as a function of ambient T = 25 °C amb temperature; derating curve Fig. 6. Diode capacitance as a function of reverse voltage; typical values 102 mbg703 IFSM (A) 10 1 10-1 1 10 102 103 104 tp (µs) Based on square wave currents. T = 25 °C prior to surge. j Fig. 7. Non-repetitive peak forward current as a function of pulse duration; maximum values BAS521 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet 29 June 2018 6 / 11

Nexperia BAS521 Single high-voltage switching diode 11. Test information tr tp t D.U.T. 10 % RS = 50 Ω IF SAMPLING + IF trr t OSCILLOSCOPE V = VR + IF × RS Ri = 50 Ω 90 % (1) VR mga881 input signal output signal (1) I = 3 mA R Fig. 8. Reverse recovery time test circuit and waveforms Quality information This product has been qualified in accordance with the Automotive Electronics Council (AEC) standard Q101 - Stress test qualification for discrete semiconductors, and is suitable for use in automotive applications. 12. Package outline Plastic surface-mounted package; 2 leads SOD523 A c HE v M A D A 0 0.5 1 mm scale 1 2 DIMENSIONS (mm are the original dimensions) E bp UNIT A bp c D E HE v 0.65 0.34 0.17 1.25 0.85 1.65 mm 0.1 (1) 0.58 0.26 0.11 1.15 0.75 1.55 Note 1. The marking bar indicates the cathode. OUTLINE REFERENCES EUROPEAN ISSUE DATE VERSION IEC JEDEC JEITA PROJECTION 02-12-13 SOD523 SC-79 06-03-16 Fig. 9. Package outline SOD523 BAS521 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet 29 June 2018 7 / 11

Nexperia BAS521 Single high-voltage switching diode 13. Soldering 2.15 1.4 solder lands solder resist 0.5 0.6 1.2 solder paste (2×) (2×) occupied area Dimensions in mm 0.4 (2×) 0.5 sod523_fr (2×) Fig. 10. Reflow soldering footprint for SOD523 BAS521 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet 29 June 2018 8 / 11

Nexperia BAS521 Single high-voltage switching diode 14. Revision history Table 8. Revision history Data sheet ID Release date Data sheet status Change notice Supersedes BAS521 v.3 20180629 Product data sheet - BAS521 v.2 Modifications: • The format of this data sheet has been redesigned to comply with the identity guidelines of Nexperia. • Legal texts have been adapted to the new company name where appropriate. • Packing section removed. BAS521 v.2 20101105 Product data sheet - BAS521_1 BAS521_1 20030812 Product data sheet - - BAS521 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet 29 June 2018 9 / 11

Nexperia BAS521 Single high-voltage switching diode Suitability for use in automotive applications — This Nexperia product has been qualified for use in automotive applications. Unless otherwise 15. Legal information agreed in writing, the product is 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 Nexperia product can reasonably be expected to result in personal injury, death or Data sheet status severe property or environmental damage. Nexperia and its suppliers accept no liability for inclusion and/or use of Nexperia products in such equipment or Document status Product Definition applications and therefore such inclusion and/or use is at the customer's own [1][2] status [3] risk. Quick reference data — The Quick reference data is an extract of the Objective [short] Development This document contains data from product data given in the Limiting values and Characteristics sections of this data sheet the objective specification for document, and as such is not complete, exhaustive or legally binding. product development. Applications — Applications that are described herein for any of these Preliminary [short] Qualification This document contains data from products are for illustrative purposes only. Nexperia makes no representation data sheet the preliminary specification. or warranty that such applications will be suitable for the specified use Product [short] Production This document contains the product without further testing or modification. data sheet specification. Customers are responsible for the design and operation of their applications and products using Nexperia products, and Nexperia accepts no liability for [1] Please consult the most recently issued document before initiating or any assistance with applications or customer product design. It is customer’s completing a design. sole responsibility to determine whether the Nexperia product is suitable [2] The term 'short data sheet' is explained in section "Definitions". and fit for the customer’s applications and products planned, as well as [3] The product status of device(s) described in this document may have for the planned application and use of customer’s third party customer(s). changed since this document was published and may differ in case of Customers should provide appropriate design and operating safeguards to multiple devices. The latest product status information is available on minimize the risks associated with their applications and products. the internet at https://www.nexperia.com. Nexperia 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 Definitions customer(s). Customer is responsible for doing all necessary testing for the Draft — The document is a draft version only. The content is still under customer’s applications and products using Nexperia products in order to internal review and subject to formal approval, which may result in avoid a default of the applications and the products or of the application or modifications or additions. Nexperia does not give any representations or use by customer’s third party customer(s). Nexperia does not accept any warranties as to the accuracy or completeness of information included herein liability in this respect. and shall have no liability for the consequences of use of such information. Limiting values — Stress above one or more limiting values (as defined in Short data sheet — A short data sheet is an extract from a full data sheet the Absolute Maximum Ratings System of IEC 60134) will cause permanent with the same product type number(s) and title. A short data sheet is damage to the device. Limiting values are stress ratings only and (proper) intended for quick reference only and should not be relied upon to contain operation of the device at these or any other conditions above those detailed and full information. For detailed and full information see the relevant given in the Recommended operating conditions section (if present) or the full data sheet, which is available on request via the local Nexperia sales Characteristics sections of this document is not warranted. Constant or office. In case of any inconsistency or conflict with the short data sheet, the repeated exposure to limiting values will permanently and irreversibly affect full data sheet shall prevail. the quality and reliability of the device. Product specification — The information and data provided in a Product Terms and conditions of commercial sale — Nexperia products are data sheet shall define the specification of the product as agreed between sold subject to the general terms and conditions of commercial sale, as Nexperia and its customer, unless Nexperia and customer have explicitly published at http://www.nexperia.com/profile/terms, unless otherwise agreed agreed otherwise in writing. In no event however, shall an agreement be in a valid written individual agreement. In case an individual agreement is valid in which the Nexperia product is deemed to offer functions and qualities concluded only the terms and conditions of the respective agreement shall beyond those described in the Product data sheet. apply. Nexperia hereby expressly objects to applying the customer’s general terms and conditions with regard to the purchase of Nexperia products by customer. Disclaimers No offer to sell or license — Nothing in this document may be interpreted Limited warranty and liability — Information in this document is believed or construed as an offer to sell products that is open for acceptance or the to be accurate and reliable. However, Nexperia does not give any grant, conveyance or implication of any license under any copyrights, patents representations or warranties, expressed or implied, as to the accuracy or other industrial or intellectual property rights. or completeness of such information and shall have no liability for the Export control — This document as well as the item(s) described herein consequences of use of such information. Nexperia takes no responsibility may be subject to export control regulations. Export might require a prior for the content in this document if provided by an information source outside authorization from competent authorities. of Nexperia. Translations — A non-English (translated) version of a document is for In no event shall Nexperia be liable for any indirect, incidental, punitive, reference only. The English version shall prevail in case of any discrepancy special or consequential damages (including - without limitation - lost between the translated and English versions. 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 Trademarks contract or any other legal theory. Notice: All referenced brands, product names, service names and Notwithstanding any damages that customer might incur for any reason trademarks are the property of their respective owners. whatsoever, Nexperia’s 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 Nexperia. Right to make changes — Nexperia 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. BAS521 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet 29 June 2018 10 / 11

Nexperia BAS521 Single high-voltage switching diode Contents 1. General description......................................................1 2. Features and benefits..................................................1 3. Applications..................................................................1 4. Quick reference data....................................................1 5. Pinning information......................................................2 6. Ordering information....................................................2 7. Marking..........................................................................2 8. Limiting values.............................................................3 9. Thermal characteristics...............................................3 10. Characteristics............................................................5 11. Test information..........................................................7 12. Package outline..........................................................7 13. Soldering.....................................................................8 14. Revision history..........................................................9 15. Legal information.......................................................10 © Nexperia B.V. 2018. All rights reserved For more information, please visit: http://www.nexperia.com For sales office addresses, please send an email to: salesaddresses@nexperia.com Date of release: 29 June 2018 BAS521 All information provided in this document is subject to legal disclaimers. © Nexperia B.V. 2018. All rights reserved Product data sheet 29 June 2018 11 / 11