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)

BF821

PNP high voltage transistor

PNP transistor in a small SOT23 Surface-Mounted Device (SMD) plastic package.

NPN complements: BF820 and BF822

Features and benefits

  • Low current (max. 50 mA)

  • High voltage (max. 300 V)

Applications

  • Telephony and professional communication equipment

Parametrics

Type number Package version Package name Size (mm) channel type (e) Ptot (mW) VCEO [max] (V) IC [max] (mA) hFE [min] TJ [max] (°C) fT [min] (MHz) Automotive qualified
BF821 SOT23 SOT23 2.9 x 1.3 x 1 PNP 250 -300 -50 50 150 60 Y

Package

Type number Orderable part number, (Ordering code (12NC)) Status Marking Package Package information Reflow-/Wave soldering Packing
BF821 BF821,215
(933665130215)
Active 1W% SOT23
(SOT23)
SOT23 REFLOW_BG-BD-1
WAVE_BG-BD-1
SOT23_215
BF821,235
(933665130235)
Active 1W% SOT23_235

Environmental information

Type number Orderable part number Chemical content RoHS RHF-indicator
BF821 BF821,215 BF821 rohs rhf rhf
BF821 BF821,235 BF821 rohs rhf rhf
Quality and reliability disclaimer

Documentation (13)

File name Title Type Date
BF821 PNP high voltage transistor Data sheet 2024-10-08
SOT23 3D model for products with SOT23 package Design support 2019-01-22
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
SOT23_mk plastic, surface-mounted package; 3 terminals; 1.9 mm pitch; 2.9 mm x 1.3 mm x 1 mm body Marcom graphics 2017-01-28
LSYMTRA Letter Symbols - Transistors; General Other type 1999-05-06
SOT23 plastic, surface-mounted package; 3 terminals; 1.9 mm pitch; 2.9 mm x 1.3 mm x 1 mm body Package information 2022-10-12
SOT23_215 Reel pack for SMD, 7"; Q3/T4 product orientation Packing information 2020-04-29
SOT23_235 Reel pack for SMD, 11"; Q3/T4 product orientation Packing information 2020-06-01
BF821_Nexperia_Product_Quality BF821 Nexperia Product Quality Quality document 2019-05-20
BF821_Nexperia_Product_Reliability BF821 Nexperia Product Reliability Quality document 2024-04-23
REFLOW_BG-BD-1 Reflow soldering profile Reflow soldering 2021-04-06
BF821 BF821 SPICE model SPICE model 2024-08-27
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
BF821 BF821 SPICE model SPICE model 2024-08-27
SOT23 3D model for products with SOT23 package Design support 2019-01-22

Ordering, pricing & availability

Type number Orderable part number Ordering code (12NC) Status Packing Packing Quantity Buy online
BF821 BF821,215 933665130215 Active SOT23_215 3,000 Order product
BF821 BF821,235 933665130235 Active SOT23_235 10,000 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.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
BF821 BF821,215 933665130215 SOT23 Order product
BF821 BF821,235 933665130235 SOT23 Order product