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RB521S30 ECAD models PCB Symbol, Footprint & ECAD Model

200 mA low Vf MEGA Schottky barrier rectifier

Planar Maximum Efficiency General Application (MEGA) Schottky barrier rectifier with an integrated guard ring for stress protection, encapsulated in a SOD523 (SC-79) ultra small and flat lead Surface-Mounted Device (SMD) plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
RB521S30 RB521S30YL 934063955315 SOD523 Order product
RB521S30 RB521S30,115 934063955115 SOD523 Order product


  • Average forward current: IF(AV) ≤ 0.2 A
  • Reverse voltage: VR ≤ 30 V
  • Low reverse current: IR ≤ 30 uA
  • AEC-Q101 qualified
  • Ultra small and flat lead SMD plastic package

Target applications

  • Low current rectification
  • High efficiency DC-to-DC conversion
  • Switch Mode Power Supply (SMPS)
  • Reverse polarity protection
  • Low power consumption applications


Type numberPackage versionPackage nameSize (mm)VR [max] (V)IF [max] (mA)IFSM [max] (A)ConfigurationVF [max] (mV)Cd [max] (pF)IR [max] (mA)IR [max] (µA)
RB521S30SOD523SC-791.2 x 0.8 x 0.6302001single500@IF=200mA25@VR=1V0.03@VR=10V30@VR=10V


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9340 639 55315 )
SOD523Reel 7" Q1/T1 Pitch 2mm
( 9340 639 55115 )
ActiveZBReel 7" Q1/T1

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFEFRIFRMTBF (hour)MSLMSL leadfree
Quality and reliability disclaimer

Documentation (7)

File nameTitleTypeDate
RB521S30200 mA low Vf MEGA Schottky barrier rectifierData sheet2009-10-07
RB521S30_Nexperia_Product_QualityRB521S30 Nexperia Product QualityQuality document2019-05-20
RB521S30_Nexperia_Product_ReliabilityRB521S30 Nexperia Product Reliability Quality documentQuality document2020-03-11
RB521S30RB521S30 SPICE modelSPICE model2012-07-22
SOD523_315Reel pack, SMD, 7"; Q1/T1 standard product orientation; Orderable part number ending ,315 or YL; Ordering code (12NC) ending 315Packing2019-04-08
SOD523_115Reel pack, SMD, 7"; Q1/T1 standard product orientation; Orderable part number ending ,115 or X; Ordering code (12NC) ending 115Packing2019-04-08
SOD523plastic, surface-mounted package; 2 leads; 1.2 mm x 0.8 mm x 0.6 mm bodyOutline drawing2019-01-25


If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.


File nameTitleTypeDate
RB521S30RB521S30 SPICE modelSPICE model2012-07-22

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
RB521S30RB521S30YL934063955315Reel 7" Q1/T1 Pitch 2mmOrder product
RB521S30RB521S30,115934063955115Reel 7" Q1/T1Order product


As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store:

Sample orders normally take 2-4 days for delivery.

If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.