Orderable parts
| Type number | Orderable part number | Ordering code (12NC) | Package | Buy from distributors |
|---|---|---|---|---|
| MJD2873-Q | MJD2873-QJ | 934662845118 | SOT428C | Order product |
Register once, drag and drop ECAD models into your CAD tool and speed up your design.
Click here for more informationMJD2873-Q
50 V, 2 A NPN high power bipolar transistor
NPN high power bipolar transistor in a power DPAK, TO-252 (SOT428C) Surface-Mounted Device (SMD) plastic package.
Features and benefits
High thermal power dissipation capability
High energy efficiency due to less heat generation
Electrically similar to popular MJD2873 series
Low collector emitter saturation voltage
Fast switching speeds
Qualified according to AEC-Q101 and recommended for use in automotive applications
Applications
Power management
Load switch
Linear mode voltage regulator
Constant current drive backlighting application
Motor drive
Relay replacement
Parametrics
| Type number | Package version | Package name | Size (mm) | channel type (e) | Ptot (mW) | VCEO [max] (V) | IC [max] (mA) | hFE [min] | hFE [max] | TJ [max] (°C) | fT [min] (MHz) | Automotive qualified |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MJD2873-Q | SOT428C | DPAK | 6.1 x 6.6 x 2.3 | NPN | 1600.0 | 50.0 | 2000.0 | 120.0 | 360.0 | 150 | 65.0 | Y |
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| MJD2873-Q | MJD2873-QJ (934662845118) |
Active | MJD2873A |
DPAK (SOT428C) |
SOT428C | SOT428C_118 |
Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
|---|---|---|---|---|
| MJD2873-Q | MJD2873-QJ | MJD2873-Q |
|
|
Series
Documentation (9)
| File name | Title | Type | Date |
|---|---|---|---|
| MJD2873-Q | 50 V, 2 A NPN high power bipolar transistor | Data sheet | 2021-05-17 |
| AN90063 | Questions about package outline drawings | Application note | 2025-06-13 |
| SOT428C | 3D model for products with SOT428C package | Design support | 2023-02-02 |
| RS2811_DPAK_SOT428_B_mk | DPAK; SOT428B | Marcom graphics | 2021-03-11 |
| SOT428C | Plastic single-ended surface-mounted package (DPAK); 3 leads (one lead cropped) | Package information | 2022-05-28 |
| SOT428C_118 | DPAK; Reel pack for SMD, 13"; Q2/T3 product orientation | Packing information | 2024-01-29 |
| MJD2873-Q_Nexperia_Product_Reliability | MJD2873-Q Nexperia Product Reliability | Quality document | 2025-05-27 |
| MJD2873-Q | MJD2873-Q SPICE model | SPICE model | 2025-07-09 |
| MJD2873-Q_cauer | MJD2873-Q RC thermal cauer model | Thermal design | 2021-05-21 |
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.
Longevity
The Nexperia Longevity Program is aimed to provide our customers information from time to time about the expected time that our products can be ordered. The NLP is reviewed and updated regularly by our Executive Management Team. View our longevity program here.
Models
| File name | Title | Type | Date |
|---|---|---|---|
| MJD2873-Q | MJD2873-Q SPICE model | SPICE model | 2025-07-09 |
| MJD2873-Q_cauer | MJD2873-Q RC thermal cauer model | Thermal design | 2021-05-21 |
| SOT428C | 3D model for products with SOT428C package | Design support | 2023-02-02 |
Ordering, pricing & availability
| Type number | Orderable part number | Ordering code (12NC) | Status | Packing | Packing Quantity | Buy online |
|---|---|---|---|---|---|---|
| MJD2873-Q | MJD2873-QJ | 934662845118 | Active | SOT428C_118 | 2,500 |
|
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.