High-speed double diode

The BAS28 consists of two high-speed switching diodes, fabricated in planar technology, and encapsulated in the small plastic SMD SOT143 package. The diodes are not connected.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BAS28 BAS28,235 933679170235 SOT143B Order product
BAS28 BAS28,215 933679170215 SOT143B Order product
BAS28/A2 BAS28/A2,215 934062822215 SOT143B Order product
BAS28/G BAS28/G,215 934058336215 SOT143B Order product


  • Small plastic SMD package
  • High switching speed: max. 4 ns
  • Continuous reverse voltage: max. 75 V
  • Repetitive peak reverse voltage: max. 85 V
  • Repetitive peak forward current: max. 500 mA .
  • AEC-Q101 qualified

Target applications

  • High-speed switching in e.g. surface mounted circuits.


Type numberPackage versionPackage nameSize (mm)VR [max] (V)IFSM [max] (A)VF [max] (mV)IR [max] (nA)IFRM (mA)Configurationtrr [max] (ns)IF [max] (mA)Cd [max] (pF)
BAS28SOT143BSOT143B2.9 x 1.3 x 17541000@IF=50mA1000@VR=75V500dual isolated42151.5


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9336 791 70235 )

SOT143BReel 11" Q3/T4, LargePack
( 9336 791 70215 )
ActiveJT%Reel 7" Q3/T4

Quality, reliability & chemical content

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

Documentation (7)

File nameTitleTypeDate
BAS28High-speed double diodeData sheet2010-08-11
BAS28_Nexperia_Product_QualityBAS28 Nexperia Product QualityQuality document2019-05-20
BAS28_Nexperia_Product_ReliabilityBAS28 Nexperia Product ReliabilityQuality document2019-04-29
BAS28BAS28 SPICE modelSPICE model2012-07-22
SOT143B_235Tape reel SMD; standard product orientation 12NC ending 235Packing2012-11-07
SOT143B_215Tape reel SMD; standard product orientation 12NC ending 215Packing2012-11-07
SOT143Bplastic, surface-mounted package; 4 leads; 1.9 mm pitch; 2.9 mm x 1.3 mm x 1 mm bodyOutline drawing2017-01-30


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
BAS28BAS28 SPICE modelSPICE model2012-07-22

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BAS28BAS28,235933679170235Reel 11" Q3/T4, LargePackOrder product
BAS28BAS28,215933679170215Reel 7" Q3/T4Order product
BAS28/A2BAS28/A2,215934062822215Reel 7" Q3/T4Order product
BAS28/GBAS28/G,215934058336215Reel 7" Q3/T4Order 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.