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Product Detailed Parameters
- Description：MOSFET N-CH 30V 20A 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：20A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：7.3mOhm @ 10A, 10V
- Vgs(th) (Max) @ Id：1.9V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：22.2 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：1590 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：3.2W (Ta), 37W (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 CSD17578Q3A is a 30V N-channel NexFET power MOSFET in a VSONP-8 package. It features a continuous drain current of 20A at 25°C and a maximum on-resistance of 9.4mΩ. The device has a gate-source threshold voltage of 1.5V to 1.9V, a total gate charge of 7.9nC, and a power dissipation rating of 3.2W at 25°C ambient temperature. It operates within a junction temperature range of -55°C to +150°C.
Feature Summary
- NexFET technology for optimized switching performance
- Avalanche rated capability for robust operation
- Single channel configuration with built-in diode
Applications
- Power conversion circuits
- DC-DC converter designs
- Motor control applications
Procurement Notes
Verify the specific suffix (e.g., 'T' for tape and reel) against the required packaging format. Confirm RoHS compliance status through official documentation. Ensure the VSONP-8 footprint matches the design layout. Check for any specific handling requirements related to moisture sensitivity level 1.
Selection Notes
Select this component for low-voltage, high-current applications requiring efficient switching. The low gate charge supports fast transition times. Evaluate thermal management needs based on the 3.2W dissipation limit. Compare on-resistance values against system efficiency targets.
Part Context
This part belongs to Texas Instruments' NexFET family of power MOSFETs. These devices are designed for high-efficiency power management solutions. The VSONP-8 package provides a compact form factor suitable for space-constrained PCB layouts.
Replacement Considerations
Check for direct substitutes within the same NexFET series with compatible pinouts and electrical ratings. Verify that alternative parts meet the same avalanche rating and package dimensions.
