Overview
The FDY300NZ is a Single N-Channel MOSFET designed by onsemi using their advanced Power Trench process. This MOSFET is optimized for low RDS(ON) at VGS = 2.5V, making it suitable for various general-purpose applications. It is particularly noted for its use in Li-Ion battery packs and other low-voltage, high-current applications. Although the device is discontinued and not recommended for new designs, it remains relevant for existing projects and legacy systems.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Drain-Source Voltage (VDS) | 20 | V |
| Gate-Source Voltage (VGS) | −12 | V |
| Continuous Drain Current (ID) | 0.6 | A |
| Pulsed Drain Current (ID) | 1.0 | A |
| Power Dissipation (PD) | 625 | mW |
| Static Drain-Source On-Resistance (RDS(ON)) @ VGS = 2.5V | 850 | mΩ |
| Static Drain-Source On-Resistance (RDS(ON)) @ VGS = 4.5V | 700 | mΩ |
| Gate Threshold Voltage (VGS(th)) | 0.6 - 1.3 | V |
| Operating and Storage Junction Temperature Range | −55 to +150 | °C |
| Thermal Resistance, Junction-to-Ambient (RJA) | 200 - 280 | °C/W |
Key Features
- Advanced Power Trench process for optimized RDS(ON) @ VGS = 2.5V
- Low on-resistance: RDS(ON) = 850 mΩ @ VGS = 2.5V and RDS(ON) = 700 mΩ @ VGS = 4.5V
- ESD protection diode for enhanced reliability
- RoHS compliant, ensuring environmental sustainability
- Small SOT-523FL package, suitable for compact designs
Applications
- Li-Ion battery packs
- Low-voltage, high-current applications
- General-purpose switching and amplification
- Portable electronics and consumer devices
Q & A
- What is the FDY300NZ MOSFET optimized for?
The FDY300NZ is optimized for low RDS(ON) at VGS = 2.5V using onsemi's advanced Power Trench process.
- What are the maximum drain-source and gate-source voltages for the FDY300NZ?
The maximum drain-source voltage (VDS) is 20V, and the maximum gate-source voltage (VGS) is ±12V.
- What is the continuous drain current rating of the FDY300NZ?
The continuous drain current (ID) rating is 0.6A.
- Is the FDY300NZ RoHS compliant?
- What package type is the FDY300NZ available in?
The FDY300NZ is available in the SOT-523FL package.
- What are the typical on-resistances at different gate-source voltages?
The typical on-resistances are 850 mΩ @ VGS = 2.5V and 700 mΩ @ VGS = 4.5V.
- Does the FDY300NZ have ESD protection?
- What is the operating and storage junction temperature range for the FDY300NZ?
The operating and storage junction temperature range is −55 to +150°C.
- Is the FDY300NZ recommended for new designs?
No, the FDY300NZ is discontinued and not recommended for new designs.
- What should I do if I need a replacement for the FDY300NZ in a new design?
You should contact an onsemi representative for information on suitable replacement parts.
