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CSD17505Q5A

ACTIVE

30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 3.5 mOhm

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CSD17581Q5A ACTIVE 30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 4.2 mOhm This product has similar resistance and a lower price.

Product details

VDS (V) 30 VGS (V) 20 Type N-channel Configuration Single Rds(on) at VGS=10 V (max) (mΩ) 3.5 Rds(on) at VGS=4.5 V (max) (mΩ) 4.6 VGSTH typ (typ) (V) 1.3 QG (typ) (nC) 10 QGD (typ) (nC) 2.7 QGS (typ) (nC) 3.5 ID - silicon limited at TC=25°C (A) 100 ID - package limited (A) 100 Logic level Yes Rating Catalog Operating temperature range (°C) -55 to 150
VDS (V) 30 VGS (V) 20 Type N-channel Configuration Single Rds(on) at VGS=10 V (max) (mΩ) 3.5 Rds(on) at VGS=4.5 V (max) (mΩ) 4.6 VGSTH typ (typ) (V) 1.3 QG (typ) (nC) 10 QGD (typ) (nC) 2.7 QGS (typ) (nC) 3.5 ID - silicon limited at TC=25°C (A) 100 ID - package limited (A) 100 Logic level Yes Rating Catalog Operating temperature range (°C) -55 to 150
VSONP (DQJ) 8 29.4 mm² (4.9 mm × 6 mm)
  • Ultralow Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5-mm × 6-mm Plastic Package
  • APPLICATIONS
    • Point-of-Load Synchronous Buck in Networking, Telecom, and Computing Systems
    • Optimized for Control and Synchronous FET Applications

  • Ultralow Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5-mm × 6-mm Plastic Package
  • APPLICATIONS
    • Point-of-Load Synchronous Buck in Networking, Telecom, and Computing Systems
    • Optimized for Control and Synchronous FET Applications

The NexFET power MOSFET has been designed to minimize losses in power conversion applications.

The NexFET power MOSFET has been designed to minimize losses in power conversion applications.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet 30V, N-Channel NexFET™ Power MOSFETs datasheet (Rev. A) Jul 19, 2011
Application brief Estimating Leakage Currents of Power MOSFETs PDF | HTML Oct 31, 2025
Application note MOSFET Support and Training Tools (Rev. G) PDF | HTML Oct 27, 2025
Application note Avoid Common Mistakes When Selecting And Designing With Power MOSFETs PDF | HTML Nov 6, 2024
Application note Semiconductor and IC Package Thermal Metrics (Rev. D) PDF | HTML Mar 25, 2024
Application note Using MOSFET Transient Thermal Impedance Curves In Your Design PDF | HTML Dec 18, 2023
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML Dec 6, 2023
Application note Using MOSFET Safe Operating Area Curves in Your Design PDF | HTML Mar 13, 2023
Application brief Tips for Successfully Paralleling Power MOSFETs PDF | HTML May 31, 2022
Selection guide Power Management Guide 2018 (Rev. R) Jun 25, 2018
Analog design Journal Synchronous rectification boosts efficiency by reducing power loss Apr 16, 2013
Application note Ringing Reduction Techniques for NexFET High Performance MOSFETs Nov 16, 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS40055EVM-001 — Evaluation Module Converts 12V Bus to 1.8V at 15 Amps

In many modern electronic applications there is a growing demand for circuits to convert a12-V bus to digital voltages as low as, but not limited to 1.8 V. The current requirements can range from below 1 A to over 15 A. For high-efficiency and small circuit size the TPS40055 wide-input synchronous (...)

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TPS40077EVM-001 — TPS40077 Evaluation Module with 12V Input. 1.8V Output at 10 A

The TPS40077EVM-001 evaluation module (EVM) is a synchronous buck converter providing a fixed 1.8 V output at up to 10 A from a 12 V input bus. The EVM is designed to start up from a single supply; no additional bias voltage is required for start-up. The TPS40077 Reduced Pin Count (...)

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TPS40090EVM-002 — TPS40090EVM-002 Evaluation Module

The TPS40090EVM-002 multi-phase dc-to-dc converter utilizes the TPS40090 multi-phase controller and TPS2834 adaptive driver to step down a 12 V input to 1.5 V at 420 kHz. The output current can exceed 100 A. The TPS40090 provides fixed-frequency, peak current-mode control with (...)

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TPS40195EVM-001 — TPS40195 20V Input, 3.3V Output, 20A Evaluation Module

The TPS40195EVM evaluation module (EVM) is a synchronous buck converter providing a fixed 3.3V output at up to 20A from a 12V input bus. The EVM is designed to start up from a single supply, so no additional bias voltage is required for start up. The module uses the TPS40195 Mid-Voltage (...)
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Evaluation board

TPS51116EVM-001 — TPS51116 Memory Power Solution, Synchronous Buck Controller Evaluation Module

The TPS51116EVM evaluation module (EVM) is a dual-output converter for DDR and DDRII memory modules. It uses a 10 A synchronous buck converter to provide the core voltage (VDDQ) for DDR memory modules. The EVM is designed to use a 4.5 V to 28 V supply voltage and a 4.75 V to (...)

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Support software

LOAD-SWITCH-FET-LOSS-CALC — Power Loss Calculation Tool for Load Switch

Quickly trade off size, cost and performance to select the optimal MOSFET based on application conditions.
Supported products & hardware
Support software

NONSYNC-BOOST-FET-LOSS-CALC — NONSYNC BOOST FET LOSS Calculator

MOSFET power loss calculator for non-synchronous boost converter
Supported products & hardware
Simulation model

CSD17505Q5A PSpice Model (Rev. B)

SLPM025B.ZIP (4 KB) - PSpice model
Supported products & hardware
Calculation tool

FET-SOA-CALC-SELECT — MOSFET SOA calculation and selection tool

Excel based FET SOA calculation and selection tool
Supported products & hardware
Calculation tool

MOTOR-DRIVE-FET-LOSS-CALC — Power Loss Calculation Tool for BLDC Motor Drive

This is an Excel-based MOSFET power loss calculator for brushless DC motor drive applications.
Supported products & hardware
Calculation tool

SLPR053 — Power Loss Calculation Tool for Synchronous Inverting Buck Boost Converter

MOSFET power loss calculation and selection tool for synchronous inverting buck boost converter
Supported products & hardware
Calculation tool

SYNC-BOOST-FET-LOSS-CALC — Power Loss Calculation Tool for Synchronous Boost Converter

MOSFET power loss calculator for synchronous boost converter applications.

Supported products & hardware
Calculation tool

SYNC-BUCK-FET-LOSS-CALC — Power Loss Calculation Tool for Synchronous Buck Converter

Quickly trade off size, cost and performance to select the optimal MOSFET based on application conditions.
Supported products & hardware
Calculation tool

SYNC-RECT-FET-LOSS-CALC — Power loss calculation tool for synchronous rectifier

MOSFET power loss calculator for synchronous rectifier applications

Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
VSONP (DQJ) 8 Ultra Librarian

Ordering & quality

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