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CSD18503Q5A

ACTIVE

40-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 4.3 mOhm

A newer version of this product is available

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CSD18513Q5A ACTIVE 40-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 3.4 mOhm This product has lower resistance and a lower price.

Product details

VDS (V) 40 Configuration Single Rds(on) at VGS=4.5 V (max) (mΩ) 6.2 Rds(on) at VGS=10 V (max) (mΩ) 4.3 IDM - pulsed drain current (max) (A) 400 QG (typ) (nC) 26 QGD (typ) (nC) 4.3 QGS (typ) (nC) 4.5 VGS (V) 20 VGSTH typ (typ) (V) 1.8 ID - silicon limited at TC=25°C (A) 120 ID - package limited (A) 100 Logic level Yes Operating temperature range (°C) -55 to 150 Rating Catalog
VDS (V) 40 Configuration Single Rds(on) at VGS=4.5 V (max) (mΩ) 6.2 Rds(on) at VGS=10 V (max) (mΩ) 4.3 IDM - pulsed drain current (max) (A) 400 QG (typ) (nC) 26 QGD (typ) (nC) 4.3 QGS (typ) (nC) 4.5 VGS (V) 20 VGSTH typ (typ) (V) 1.8 ID - silicon limited at TC=25°C (A) 120 ID - package limited (A) 100 Logic level Yes Operating temperature range (°C) -55 to 150 Rating Catalog
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, 3.4 mΩ, 5 × 6 mm SON NexFET power MOSFET is designed to minimize losses in power conversion applications.

This 40 V, 3.4 mΩ, 5 × 6 mm SON NexFET power MOSFET is designed to minimize losses in power conversion applications.

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Technical documentation

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Type Title Date
* Data sheet CSD18503Q5A 40 V N-Channel NexFET Power MOSFET datasheet (Rev. C) PDF | HTML 04 Jun 2015
Application note MOSFET Support and Training Tools (Rev. B) PDF | HTML 29 Mar 2023
Application note Using MOSFET Safe Operating Area Curves in Your Design PDF | HTML 13 Mar 2023
Application note Tips for Successfully Paralleling Power MOSFETs PDF | HTML 31 May 2022
Technical article Understanding the benefits of “lead-free” power MOSFETs 08 Feb 2019
Application note QFN and SON PCB Attachment (Rev. B) PDF | HTML 24 Aug 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Semiconductor and IC Package Thermal Metrics (Rev. C) PDF | HTML 19 Apr 2016
Technical article When to use load switches in place of discrete MOSFETs 03 Feb 2016
Technical article 48V systems: Driving power MOSFETs efficiently and robustly 08 Oct 2015
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.

Simulation model

CSD18503Q5A TINA-TI Spice Model

SLPM087.TSM (16 KB) - TINA-TI Spice Model
Simulation model

CSD18503Q5A Unencrypted PSpice Model (Rev. B)

SLPM041B.ZIP (5 KB) - PSpice Model
Calculation tool

MOTOR-DRIVE-FET-LOSS-CALC — MOSFET power loss calculator for motor drive applications

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

NONSYNC-BOOST-FET-LOSS-CALC — Power loss calculation tool for non-synchronous boost converter

MOSFET power loss calculator for non-synchronous boost converter
Calculation tool

SYNC-BOOST-FET-LOSS-CALC — Power loss calculation tool for synchronous boost converter

MOSFET power loss calculator for synchronous boost converter applications.
Calculation tool

SYNC-BUCK-FET-LOSS-CALC — MOSFET power loss calculator for synchronous buck converter applications

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

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

MOSFET power loss calculator for synchronous rectifier applications

Many TI reference designs include the CSD18503Q5A

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VSONP (DQJ) 8 View options

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