Bipolar transistors


ESD protection, TVS, filtering and signal conditioning





Analog & Logic ICs

Automotive qualified products (AEC-Q100/Q101)


High-voltage switching diodes

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

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

  • Repetitive peak forward current: IFRM ≤ 1 A

  • Qualified according to AEC-Q101 and recommended for use in automotive applications


  • High-voltage switching in surface-mounted circuits

  • Automotive

  • Communication


Type number Package version Package name Size (mm) VR [max] (V) IFSM [max] (A) VF [max] (mV) IR [max] (nA) IFRM (mA) Configuration trr [max] (ns) IF [max] (mA) Automotive qualified
BAS21AVD-Q SOT457 TSOP6 2.9 x 1.5 x 1 200 16 1000@IF=100mA 100@VR=200V 1000 single 50 200 Y


Type number Orderable part number, (Ordering code (12NC)) Status Marking Package Package information Reflow-/Wave soldering Packing
Active E6 SOT457
Active E6 SOT457_165

Environmental information

Type number Orderable part number Chemical content RoHS RHF-indicator
BAS21AVD-Q BAS21AVD-QF BAS21AVD-Q rohs rhf rhf
BAS21AVD-Q BAS21AVD-QZ BAS21AVD-Q rohs rhf rhf
Quality and reliability disclaimer

Documentation (12)

File name Title Type Date
BAS21AVD-Q High-voltage switching diodes Data sheet 2024-05-17
Nexperia_document_guide_MiniLogic_PicoGate_201901 PicoGate leaded logic portfolio guide Brochure 2019-01-07
SOT457 3D model for products with SOT457 package Design support 2022-11-04
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
TSOP6_SOT457_mk plastic, surface-mounted package (TSOP6); 6 leads; 0.95 mm pitch; 2.9 mm x 1.5 mm x 1 mm body Marcom graphics 2017-01-28
SOT457 plastic, surface-mounted package (SC-74; TSOP6); 6 leads Package information 2023-03-03
SOT457_135 TSOP6; Reel pack for SMD, 11"; Q2/T3 product orientation Packing information 2020-06-12
SOT457_165 TSOP6; reel pack; reversed product orientation; 12NC ending 165 Packing information 2020-04-27
BAS21AVD-Q_Nexperia_Product_Reliability BAS21AVD-Q Nexperia Product Reliability Quality document 2024-04-22
REFLOW_BG-BD-1 Reflow soldering profile Reflow soldering 2021-04-06
MAR_SOT457 MAR_SOT457 Topmark Top marking 2013-06-03
WAVE_BG-BD-1 Wave soldering profile Wave soldering 2021-09-08


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 name Title Type Date
SOT457 3D model for products with SOT457 package Design support 2022-11-04

Ordering, pricing & availability

Type number Orderable part number Ordering code (12NC) Status Packing Packing Quantity Buy online
BAS21AVD-Q BAS21AVD-QF 934667678135 Active SOT457_135 10,000 Order product
BAS21AVD-Q BAS21AVD-QZ 934667678165 Active SOT457_165 10,000 Order product


As a Nexperia customer you can order samples via our sales organization.

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. Check out the list of official distributors.

How does it work?

The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BAS21AVD-Q BAS21AVD-QF 934667678135 SOT457 Order product
BAS21AVD-Q BAS21AVD-QZ 934667678165 SOT457 Order product