High-voltage switching diode

High-voltage switching diode, encapsulated in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BAS21TH BAS21THVL 934660319235 SOT23 Order product
BAS21TH BAS21THR 934660319215 SOT23 Order product


  • Switching speed max. 50 ns
  • Reverse voltage VR ≤ 200 V
  • Repetitive peak reverse voltage VRRM ≤ 250 V
  • Small SMD plastic package
  • High-temperature applications up to 175 °C
  • AEC-Q101 qualified

Target applications

  • High-speed switching
  • General-purpose switching


Type numberPackage versionPackage nameSize (mm)
BAS21THSOT23SOT232.9 x 1.3 x 1


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9346 603 19235 )

SOT23Reel 11" Q3/T4, LargePack
( 9346 603 19215 )
ActiveVX%Reel 7" Q3/T4

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFLeadfree conversion dateEFRIFRMTBF (hour)MSLMSL leadfree
BAS21THBAS21THVLBAS21THweek 25, 2019358.01.666.02E811
BAS21THBAS21THRBAS21THweek 25, 2019358.01.666.02E811
Quality and reliability disclaimer

Documentation (5)

File nameTitleTypeDate
BAS21THHigh-voltage switching diodeData sheet2019-01-18
BAS21THBAS21TH SPICE modelSPICE model2018-12-13
SOT23_235Tape reel SMD; standard product orientation 12NC ending 235Packing2013-02-05
SOT23_215Tape reel SMD; standard product orientation 12NC ending 215Packing2012-11-16
SOT23plastic, surface-mounted package; 3 terminals; 1.9 mm pitch; 2.9 mm x 1.3 mm x 1 mm bodyOutline drawing2019-01-09


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
BAS21THBAS21TH SPICE modelSPICE model2018-12-13

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BAS21THBAS21THVL934660319235Reel 11" Q3/T4, LargePackOrder product
BAS21THBAS21THR934660319215Reel 7" Q3/T4Order product


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