Register once, drag and drop ECAD models into your CAD tool and speed up your design.

Click here for more information


High-voltage switching diodes

Triple high-voltage switching diodes, encapsulated in a SOT457 (SC-74/TSOP6) small Surface-Mounted Device (SMD) plastic package.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BAS21AVD BAS21AVD,165 934059099165 SOT457 Order product
BAS21AVD BAS21AVD,135 934059099135 SOT457 Order product

Features and benefits

  • High switching speed: trr ≤ 50 ns
  • Reverse voltage: VR ≤ 200 V
  • Repetitive peak reverse voltage: VRRM ≤ 250 V
  • Small SMD plastic package
  • Low capacitance: Cd ≤ 5 pF
  • AEC-Q101 qualified
  • Repetitive peak forward current: IFRM ≤ 1 A


  • High-voltage switching in surface-mounted circuits
  • Automotive
  • Communication


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)
BAS21AVDSOT457SC-74; TSOP62.9 x 1.5 x 1200161000@IF=100mA100@VR=200V1000triple isolated502005


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackagePackage informationReflow-/Wave solderingPacking
( 9340 590 99165 )
SC-74; TSOP6
Reel 11" Q3/Q4 SMD
( 9340 590 99135 )
ActiveE6Reel 13” or 11 ¼” Q1/T1

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
Quality and reliability disclaimer

Documentation (5)

File nameTitleTypeDate
BAS21AVDHigh-voltage switching diodesData sheet2017-05-22
BAS21AVD_Nexperia_Product_QualityBAS21AVD Nexperia Product QualityQuality document2019-05-20
BAS21AVD_Nexperia_Product_ReliabilityBAS21AVD Nexperia Product ReliabilityQuality document2021-03-19
BAS21AVDBAS21AVD SPICE modelSPICE model2012-07-22
WAVE_BG-BD-1Wave soldering profileWave soldering2021-09-08


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
BAS21AVDBAS21AVD SPICE modelSPICE model2012-07-22

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
BAS21AVDBAS21AVD,165934059099165Reel 11" Q3/Q4 SMDOrder product
BAS21AVDBAS21AVD,135934059099135Reel 13” or 11 ¼” Q1/T1 Order product


As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.

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.