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)

BST50

NPN Darlington transistor

NPN Darlington transistor in a SOT89 (SC-62) flat lead Surface-Mounted Device (SMD) plastic package.

PNP complement: BST60

Alternatives

Features and benefits

  • Integrated diode and resistor

  • AEC-Q101 qualified

Applications

  • Industrial switching applications such as:

    • Print hammer

    • Solenoid

    • Relay and lamp driving

Parametrics

Type number Package version Package name Size (mm) hFE [min] toff (ns) fT [min] (MHz) Polarity IC [max] (mA) VCES [max] (V) Ptot [max] (mW) Complement IC [max] (mA) Ptot [max] (mW) VCES [max] (V) fT [min] (MHz) hFE [max] hFE [min] Automotive qualified
BST50 SOT89 SOT89 4.5 x 2.5 x 1.5 2000 1500 200 NPN 500 45 1300 BST60 500 1300 45 200 >2000 2000 Y

Package

Type number Orderable part number, (Ordering code (12NC)) Status Marking Package Package information Reflow-/Wave soldering Packing
BST50 BST50,115
(933644250115)		 Active AS1 SOT89
(SOT89) 		SOT89 REFLOW_BG-BD-1
WAVE_BG-BD-1
SOT89_115

Environmental information

Type number Orderable part number Chemical content RoHS RHF-indicator
BST50 BST50,115 BST50 rohs rhf rhf
Quality and reliability disclaimer

Documentation (14)

File name Title Type Date
BST50 NPN Darlington transistor Data sheet 2023-09-05
PBSS4021NX 20 V, 7 A NPN low VCEsat (BISS) transistor Data sheet 2017-05-29
PBSS4041NX 60 V, 6.2 A NPN low VCEsat (BISS) transistor Data sheet 2017-05-29
SOT89 3D model for products with SOT89 package Design support 2018-12-05
Nexperia_package_poster Nexperia package poster Leaflet 2020-05-15
SOT89_mk plastic, surface-mounted package; 3 leads; 1.5 mm pitch; 4.5 mm x 2.5 mm x 1.5 mm body Marcom graphics 2017-01-28
DERATSMD Power Derating Curves for SMDs; General Other type 1999-05-06
LSYMTRA Letter Symbols - Transistors; General Other type 1999-05-06
SOT89 plastic, surface-mounted package; 3 leads; 1.5 mm pitch; 4.5 mm x 2.5 mm x 1.5 mm body Package information 2024-11-12
SOT89_115 Reel pack for SMD, 7"; Q2/T3 product orientation Packing information 2020-04-21
BST50_Nexperia_Product_Reliability BST50 Nexperia Product Reliability Quality document 2024-04-23
REFLOW_BG-BD-1 Reflow soldering profile Reflow soldering 2021-04-06
BST50 BST50 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
BST50 BST50 SPICE model SPICE model 2024-08-27
SOT89 3D model for products with SOT89 package Design support 2018-12-05

Ordering, pricing & availability

Type number Orderable part number Ordering code (12NC) Status Packing Packing Quantity Buy online
BST50 BST50,115 933644250115 Active SOT89_115 1,000 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
BST50 BST50,115 933644250115 SOT89 Order product