Bipolar transistors

Diodes

ESD protection, TVS, filtering and signal conditioning

MOSFETs

SiC MOSFETs

GaN FETs

IGBTs

Analog & Logic ICs

Automotive qualified products (AEC-Q100/Q101)

BAS21SW-Q

High-voltage switching diode

High-voltage switching diode encapsulated in a very small SOT323 (SC-70) Surface-Mounted Device (SMD) plastic package.

Features and benefits

  • High switching speed: trr ≤ 50 ns

  • Low leakage current

  • High reverse voltage VR ≤ 250 V

  • Low capacitance: Cd ≤ 2 pF

  • Very small SMD plastic package

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

Applications

  • High-speed switching at high voltage

  • High-voltage general-purpose switching

  • Voltage clamping

  • Reverse polarity protection

Parametrics

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) Cd [max] (pF) Automotive qualified
BAS21SW-Q SOT323 SC-70 2 x 1.25 x 0.95 200 9 1000@IF=100mA 100@VR=200V 625 dual series 50 225 2 Y

Package

Type number Orderable part number, (Ordering code (12NC)) Status Marking Package Package information Reflow-/Wave soldering Packing
BAS21SW-Q BAS21SW-QX
(934667682115)		 Active X5% SOT323
SC-70
(SOT323) 		SOT323 REFLOW_BG-BD-1
WAVE_BG-BD-1
SOT323_115

Environmental information

Type number Orderable part number Chemical content RoHS RHF-indicator
BAS21SW-Q BAS21SW-QX BAS21SW-Q rohs rhf rhf
Quality and reliability disclaimer

Documentation (9)

File name Title Type Date
BAS21SW-Q High-voltage switching diode Data sheet 2024-04-22
SOT323 3D model for products with SOT323 package Design support 2019-01-22
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
SC-70_SOT323_mk plastic, surface-mounted package; 3 leads; 1.3 mm pitch; 2 mm x 1.25 mm x 0.95 mm body Marcom graphics 2017-01-28
SOT323 plastic, surface-mounted package; 3 leads; 1.3 mm pitch; 2 mm x 1.25 mm x 0.95 mm body Package information 2022-05-27
SOT323_115 Reel pack for SMD, 7"; Q3/T4 product orientation Packing information 2024-06-17
BAS21SW-Q_Nexperia_Product_Reliability BAS21SW-Q Nexperia Product Reliability Quality document 2024-04-22
REFLOW_BG-BD-1 Reflow soldering profile Reflow soldering 2021-04-06
WAVE_BG-BD-1 Wave soldering profile Wave soldering 2021-09-08

Support

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.

Models

File name Title Type Date
SOT323 3D model for products with SOT323 package Design support 2019-01-22

Ordering, pricing & availability

Type number Orderable part number Ordering code (12NC) Status Packing Packing Quantity Buy online
BAS21SW-Q BAS21SW-QX 934667682115 Active SOT323_115 3,000 Order product

Sample

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.

Interactive datasheet

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BAS21SW-Q BAS21SW-QX 934667682115 SOT323 Order product