Overview
The PBSS4540X is a 40 V, 5 A NPN low VCEsat transistor manufactured by Nexperia USA Inc. This transistor is designed for high-efficiency applications, featuring high hFE and low VCEsat at high current operation. It is packaged in a SOT89 (SC-62/TO-243) small and flat lead Surface-Mounted Device (SMD) plastic package, making it suitable for a variety of medium power applications. The PBSS4540X is also qualified according to AEC-Q101, making it recommended for use in automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Type number | PBSS4540X-Q |
| Package | SOT89 |
| Collector-Emitter Voltage (VCEO) | 40 V |
| Collector Current (IC) | 4 A |
| Current Gain (hFE) | 300 (minimum) |
| Transition Frequency (fT) | 70 MHz |
| Power Dissipation (Ptot) | 1.6 W |
| Automotive Qualified | Yes (AEC-Q101) |
Key Features
- High hFE and low VCEsat at high current operation, ensuring high efficiency and less heat generation.
- High collector current capability: IC maximum 4 A.
- Qualified according to AEC-Q101, suitable for automotive applications.
- Compact SOT89 package, ideal for space-constrained designs.
Applications
- Medium power peripheral drivers (e.g., fan and motor drivers).
- Strobe flash units for digital still cameras (DSC) and mobile phones.
- Inverter applications (e.g., TFT displays).
- Power switch for LAN and ADSL systems.
- Medium power DC-to-DC conversion and battery chargers.
Q & A
- What is the maximum collector current of the PBSS4540X transistor?
The maximum collector current (IC) is 4 A. - What is the package type of the PBSS4540X transistor?
The transistor is packaged in a SOT89 (SC-62/TO-243) small and flat lead Surface-Mounted Device (SMD) plastic package. - Is the PBSS4540X transistor qualified for automotive applications?
Yes, it is qualified according to AEC-Q101. - What are some typical applications of the PBSS4540X transistor?
Typical applications include medium power peripheral drivers, strobe flash units, inverter applications, power switches for LAN and ADSL systems, and medium power DC-to-DC conversion. - What is the transition frequency (fT) of the PBSS4540X transistor?
The transition frequency (fT) is 70 MHz. - What is the maximum collector-emitter voltage (VCEO) of the PBSS4540X transistor?
The maximum collector-emitter voltage (VCEO) is 40 V. - How does the PBSS4540X transistor contribute to efficiency in applications?
The transistor features high hFE and low VCEsat at high current operation, leading to high efficiency and less heat generation. - Can the PBSS4540X transistor be used in high-power applications?
While it is designed for medium power applications, it can handle up to 4 A of collector current, making it suitable for various power-intensive tasks. - Where can I purchase the PBSS4540X transistor?
The transistor can be purchased from various distributors such as Arrow, Avnet, Digi-Key, Mouser Electronics, and others listed on Nexperia's website. - Is there a PNP complement for the PBSS4540X transistor?
Yes, the PNP complement is the PBSS5540X-Q.
