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CSD18503KCS

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40-V, N channel NexFET™ power MOSFET, single TO-220, 4.5 mOhm

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Data sheet

CSD18503KCS

ACTIVE
Data sheet Order now

Product details

VDS (V) 40 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 6.8 Rds(on) max at VGS=10 V (mOhms) 4.5 IDM - pulsed drain current (Max) (A) 358 QG typ (nC) 30 QGD typ (nC) 4.6 Package (mm) TO-220 VGS (V) 20 VGSTH typ (V) 1.9 ID - silicon limited at Tc=25degC (A) 142 ID - package limited (A) 100 Logic level Yes
VDS (V) 40 Configuration Single Rds(on) max at VGS=4.5 V (mOhms) 6.8 Rds(on) max at VGS=10 V (mOhms) 4.5 IDM - pulsed drain current (Max) (A) 358 QG typ (nC) 30 QGD typ (nC) 4.6 Package (mm) TO-220 VGS (V) 20 VGSTH typ (V) 1.9 ID - silicon limited at Tc=25degC (A) 142 ID - package limited (A) 100 Logic level Yes
TO-220 (KCS) 3 88 mm² 10.15 x 15.4
  • Ultra Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Logic Level
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • TO-220 Plastic Package
  • Ultra Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Logic Level
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • TO-220 Plastic Package

This 40 V, 3.6 mΩ, TO-220 NexFET™ power MOSFET has been designed to minimize losses in power conversion applications.

This 40 V, 3.6 mΩ, TO-220 NexFET™ power MOSFET has been designed to minimize losses in power conversion applications.
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Technical documentation

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Type Title Date
* Data sheet CSD18503KCS 40 V N-Channel NexFET Power MOSFET datasheet (Rev. A) PDF | HTML 14 Jan 2015
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
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.

Support software

Power Loss Calculation Tool for Load Switch

SLPC019.ZIP (338 KB)
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Simulation model

CSD18503KCS Unencrypted PSpice Model (Rev. B)

SLPM050B.ZIP (5 KB) - PSpice Model
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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.
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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
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Calculation tool

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

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

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

MOSFET power loss calculator for synchronous rectifier applications
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Package Pins Download
TO-220 (KCS) 3 View options

Ordering & quality

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  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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