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Product Detailed Parameters
- Description：MOSFET N-CH 30V 35A 8VSON
- Series：NexFET™
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：30 V
- Current - Continuous Drain (Id) @ 25°C：35A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：4.8mOhm @ 16A, 10V
- Vgs(th) (Max) @ Id：1.8V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：35 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：2310 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：2.8W (Ta), 53W (Tc)
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：8-VSONP (3x3.3)
- Package / Case：8-PowerVDFN
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Overview
The CSD17577Q3AT is a 30V N-channel NexFET Power MOSFET manufactured by Texas Instruments. It features a maximum continuous drain current of 14A at 25°C and a typical on-resistance of 9.4mΩ at 10V gate drive. The device operates within an ambient temperature range of -40°C to +125°C and supports avalanche-rated energy handling with an Eas rating of 24mJ. Packaged in a compact VSONP-8 footprint, it integrates a built-in diode for efficient switching applications.
Feature Summary
- NexFET technology optimized for low on-resistance and fast switching performance
- Avalanche rated capability for robust operation under transient conditions
- Integrated body diode for synchronous rectification or freewheeling applications
Applications
- DC-DC converter output stages
- Synchronous rectification in power supplies
- Motor control circuits
Procurement Notes
Verify the specific suffix 'AT' against the manufacturer's official datasheet to confirm tape-and-reel packaging specifications and marking codes. Ensure compatibility with standard surface-mount reflow profiles. Cross-reference the VSONP-8 package dimensions with your PCB footprint library to guarantee mechanical fit before finalizing procurement orders.
Selection Notes
Select this component when a 30V voltage rating and approximately 14A continuous current capacity are required in a small form factor. The low on-resistance makes it suitable for high-efficiency power conversion designs. Consider the thermal dissipation capabilities relative to the VSONP-8 package size and the intended operating temperature range of the final application.
Part Context
This part belongs to the Texas Instruments NexFET family, which utilizes advanced planar trench technology to achieve superior performance compared to traditional MOSFETs. The Q3A series indicates specific process improvements for lower resistance and enhanced reliability. The AT suffix typically denotes automated tape-and-reel packaging for high-volume surface-mount assembly.
Replacement Considerations
Check for direct pin-compatible alternatives within the same NexFET family, such as the CSD17578Q3A, noting differences in current ratings and on-resistance. Verify that any substitute maintains the same VSONP-8 package outline and electrical characteristics to ensure seamless integration without redesigning the PCB layout.
