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CSD18501Q5A

ACTIVE

40-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 3.2 mOhm

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CSD18511Q5A ACTIVE 40-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 2.3 mOhm This product has lower resistance and a lower price.

Product details

VDS (V) 40 VGS (V) 20 Type N-channel Configuration Single Rds(on) at VGS=10 V (max) (mΩ) 3.2 Rds(on) at VGS=4.5 V (max) (mΩ) 4.3 VGSTH typ (typ) (V) 1.8 QG (typ) (nC) 42 QGD (typ) (nC) 5.9 QGS (typ) (nC) 8.1 ID - silicon limited at TC=25°C (A) 161 ID - package limited (A) 100 Logic level Yes Rating Catalog Operating temperature range (°C) -55 to 150
VDS (V) 40 VGS (V) 20 Type N-channel Configuration Single Rds(on) at VGS=10 V (max) (mΩ) 3.2 Rds(on) at VGS=4.5 V (max) (mΩ) 4.3 VGSTH typ (typ) (V) 1.8 QG (typ) (nC) 42 QGD (typ) (nC) 5.9 QGS (typ) (nC) 8.1 ID - silicon limited at TC=25°C (A) 161 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 x 6
  • Ultra low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Logic Level
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5-mm × 6-mm Plastic Package
  • Ultra low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Logic Level
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5-mm × 6-mm Plastic Package

This 40 V, 2.5 mΩ, SON 5 × 6 mm NexFET™ power MOSFET has been designed to minimize losses in power conversion applications.

This 40 V, 2.5 mΩ, SON 5 × 6 mm 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 CSD18501Q5A 40 V N-Channel NexFET Power MOSFET datasheet (Rev. C) PDF | HTML 07 Jan 2015
Application brief Estimating Leakage Currents of Power MOSFETs PDF | HTML 31 Oct 2025
Application note MOSFET Support and Training Tools (Rev. G) PDF | HTML 27 Oct 2025
Application note Avoid Common Mistakes When Selecting And Designing With Power MOSFETs PDF | HTML 06 Nov 2024
Application note Semiconductor and IC Package Thermal Metrics (Rev. D) PDF | HTML 25 Mar 2024
Application note Using MOSFET Transient Thermal Impedance Curves In Your Design PDF | HTML 18 Dec 2023
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dec 2023
Application note Using MOSFET Safe Operating Area Curves in Your Design PDF | HTML 13 Mar 2023
Application brief Tips for Successfully Paralleling Power MOSFETs PDF | HTML 31 May 2022
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Ringing Reduction Techniques for NexFET High Performance MOSFETs 16 Nov 2011

Design & development

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

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

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

Supported products & hardware

Simulation model

CSD18501Q5A TINA-TI Spice Model

SLPM085.TSM (16 KB) - TINA-TI Spice Model
Simulation model

CSD18501Q5A Unencrypted PSpice Model (Rev. B)

SLPM040B.ZIP (5 KB) - PSpice Model
Calculation tool

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

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

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

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

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

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

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
Reference designs

PMP21251 — Less than 90mW Ultra-low Standby Power Auxless AC-DC Power Supply Reference Design

The PMP21251 reference design uses UCC28056 CRM/DCM PFC controller and UCC256304 enhanced LLC controller with integrated driver to provide 12V/10.8A output (continuous, 14.4A peak) from universal AC input. This design achieves 92.4% peak efficiency at 115VAC input and 94.0% peak efficiency at (...)
Test report: PDF
Schematic: PDF
Reference designs

TIDA-00143 — Automotive 60W Brushless DC (BLDC) Motor Drive

This TIDA-00143 reference design is a BLDC motor controller and is designed to operate from a single 12V (nominal) power supply which can vary over a wide range of voltages as found in typical automotive applications.  The board is designed to drive motors in the 60W range, which require (...)
Design guide: PDF
Schematic: PDF
Reference designs

PMP10748 — Complete Front End Automotive Reverse Polarity and Series Fault Protection Reference Design

The PMP10748 is a complete automotive front end protection TIDesign that highlights TI's zero IQ Smart Diode Controller and High-Side Protection Controller. This design uses two LM74610-Q1 IC's to drive 40V MOSFETs in OR-ing Configuration for reverse polarity protection. The LM74610-Q1 is highly (...)
Test report: PDF
Schematic: PDF
Reference designs

PMP21000 — Single stage AC-DC auxless LLC resonant converter reference design

This reference design provides a 12-V/100-W output from either 120-Vac or 230-Vac input with a single LLC resonant converter stage. The bill of materials (BOM) cost of this design is highly optimized with the single-stage structure and the use of UCC256302 LLC resonant controller. High voltage (...)
Test report: PDF
Schematic: PDF
Reference designs

PMP7837 — Power Reference Design for 450W Automotive Audio Amplifier

The PMP7837 is a 4-phase synchronous boost converter that can take a 6-17V input and put out 24V at 450W. It is used for powering up to eight 50W automotive trunk amplifiers. The 4-phase synchronous design with 450kHz switching frequency per phase results in a compact and efficient circuit well (...)
Test report: PDF
Schematic: PDF
Reference designs

PMP11112 — 6V-16V Input Four Phase Synchronous Boost Converter Audio Amplifier (25V@24A) Reference Design

This 600W four phase synchronous boost  supplies 25V @ 24A from a 6V - 16V input. Four phase operation allows fewer input and output capacitors and better thermal balancing with surface mount components.
Test report: PDF
Schematic: PDF
Reference designs

TIDA-00748 — 60W Synchronous Boost LED Driver Reference Design for Automotive Application

TIDA-00748 is a 60W Synchronous Boost Design for automotive LED application utilizing the Synchronous Boost Converter LM5122-Q1.  This design applies to automotive lighting for exterior lighting such as headlights and taillights and also interior LED lighting systems. The design accepts an (...)
Test report: PDF
Schematic: PDF
Reference designs

PMP10407 — Universal AC Input, 5V/10A/50W PSR Flyback Power Supply W/Rapid Load Transient Response Ref Design

PMP10407 is a quasi-resonant Flyback power suppy based on the UCC28730 primary side regulation (PSR) controller demonstrating the use of wake up device UCC24650 to achieve rapid load transient response from light load condition when the system is under low frequency operation. The elimination of (...)
Test report: PDF
Schematic: PDF
Reference designs

PMP9484 — Highly Efficient and Compact 100-W Automotive Amplifier Reference Design with Boost Converter

PMP9484 is a 100W highly efficient and compact automotive amplifier reference design which can be used in 50W +50W stereo or 100W woofer applications.  The design is broadly divided into three main stages:
1.) Highly efficient single-phase synchronous boost converter using the LM5122 controller (...)
Test report: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
VSONP (DQJ) 8 Ultra Librarian

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