Orderable parts
| Type number | Orderable part number | Ordering code (12NC) | Package | Buy from distributors |
|---|---|---|---|---|
| BST51 | BST51,115 | 933644260115 | SOT89 | Order product |
| BST51 | BST51,135 | 933644260135 | SOT89 | Order product |
Register once, drag and drop ECAD models into your CAD tool and speed up your design.
Click here for more informationBST51
NPN Darlington transistor
NPN Darlington transistor in a SOT89 (SC-62) flat lead Surface-Mounted Device (SMD) plastic package.
PNP complement: BST61
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) | Polarity | Complement | IC [max] (mA) | Ptot [max] (mW) | VCES [max] (V) | fT [min] (MHz) | hFE [min] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BST51 | SOT89 | SOT89 | 4.5 x 2.5 x 1.5 | 2000 | 1500 | NPN | BST61 | 500 | 1300 | 60 | 200 | 2000 |
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| BST51 | BST51,115 (933644260115) |
Active | AS2 |
(SOT89) |
SOT89 |
REFLOW_BG-BD-1
WAVE_BG-BD-1 |
SOT89_115 |
| BST51,135 (933644260135) |
Active | AS2 | SOT89_135 |
Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
|---|---|---|---|---|
| BST51 | BST51,115 | BST51 |
|
|
| BST51 | BST51,135 | BST51 |
|
|
Documentation (15)
| File name | Title | Type | Date |
|---|---|---|---|
| BST51 | 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 |
| SOT89_135 | Tape reel SMD; standard product orientation 12NC ending 135 | Packing information | 2020-04-27 |
| BST51_Nexperia_Product_Reliability | BST51 Nexperia Product Reliability | Quality document | 2024-04-23 |
| REFLOW_BG-BD-1 | Reflow soldering profile | Reflow soldering | 2021-04-06 |
| BST51 | BST51 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.
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.
BST51
NPN Darlington transistor
Buy from Nexperia
| SKU | Stock* | MOQ | Price per unit | Quantity |
|---|