 BSS84LT1G device package |
 BSS84LT1G schematic symbol |
The electronics revolution started in the true sense with the invention of the transistor. Further advancements in the transistor technology gave birth to the integrated circuits. These transistors and ICs form the backbone of virtually every electronic system present in the world today. With the passage of time many different types of transistors came into existence such as BJTs and MOSFETs. One major field of engineering which sprung out of semiconductors is the power electronics. Power MOSFETs are used as high frequency switches in power electronic converters and inverters. MOSFET stands for metal oxide semiconductor field effect transistor. Power MOSFETs can handle high voltages at high switching speeds. Power MOSFETs are the most widely used semiconductor switches in the world and are widely used in inverters, rectifiers, motor drives and DC choppers. As opposed to BJTs, MOSFETs are voltage controlled devices.
What is BSS84LT1G？
The BSS84LT1G is a single-channel power MOSFET developed by ON Semiconductor. This is a 3-pin device with source, gate and drain pins. This is a general purpose power MOSFET and can be used in a variety of power electronic circuits such as motor drives, inverters, choppers, SMPS circuits and rectifiers. The device package is SOT-23 which is also Pb-free and RoHS compliant.
Pin Configuration
The pin configuration of the BSS84LT1G power MOSFET is given in the table below:
| Pin Number | Pin name | Pin description |
| 1 | Gate | Gate for control of the device. |
| 2 | Source | Source terminal of the MOSFET |
| 3 | Drain | Drain terminal of the MOSFET |
Features
- Lead free package
- RoHS compliance
- 10 Ohm device resistance
- 50V voltage rating
- Compact footprint
Applications
The applications of BSS84LT1G power MOSFET are provided as following:
- Variable frequency drives
- Motor control drives
- DC-DC choppers
- Inverters
- Switch mode power supplies
- Power electronic converters
Specifications
The major technical specifications of the BSS84LT1G power MOSFET are provided as following:
- Drain to source voltage: 50Vdc
- Gate to source voltage: 20Vdc
- Continuous drain current: 130mA
- Total power dissipation: 225mW
- Package: SOT-23
Alternatives
LBSS84LT3G; BSS84; LBSS84LT1G;
How BSS84LT1G work?
The BSS84LT1G is a power MOSFET from ON Semiconductor. This device has a rated voltage of 50Vdc and can provide high frequency switching operation with high efficiency. These power MOSFETs are widely used in power electronic converters, inverters, power supplies, and motor controllers.
An application circuit consisting of MOSFET based inverter is shown in the figure below:
BSS84LT1G application circuit
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