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CSD17559Q5

ACTIVE

30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 1.5 mOhm

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CSD17573Q5B ACTIVE 30-V, N channel NexFET™ power MOSFET, single SON 5 mm x 6 mm, 1.45 mOhm This product has lower resistance and a lower price.

CSD17559Q5

ACTIVE
Data sheet Order now

Product details

VDS (V) 30 VGS (V) 20 Type N-channel Configuration Single Rds(on) at VGS=10 V (max) (mΩ) 1.15 Rds(on) at VGS=4.5 V (max) (mΩ) 1.5 VGSTH typ (typ) (V) 1.4 QG (typ) (nC) 39 QGD (typ) (nC) 9.3 QGS (typ) (nC) 14.4 ID - silicon limited at TC=25°C (A) 257 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) 1.15 Rds(on) at VGS=4.5 V (max) (mΩ) 1.5 VGSTH typ (typ) (V) 1.4 QG (typ) (nC) 39 QGD (typ) (nC) 9.3 QGS (typ) (nC) 14.4 ID - silicon limited at TC=25°C (A) 257 ID - package limited (A) 100 Logic level Yes Rating Catalog Operating temperature range (°C) -55 to 150
VSON-CLIP (DQH) 8 30 mm² (6 mm × 5 mm)
  • Extremely Low Resistance
  • Ultra-Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5 mm × 6 mm Plastic Package
  • Extremely Low Resistance
  • Ultra-Low Qg and Qgd
  • Low Thermal Resistance
  • Avalanche Rated
  • Pb Free Terminal Plating
  • RoHS Compliant
  • Halogen Free
  • SON 5 mm × 6 mm Plastic Package

This 30 V, 0.95 mΩ, 5 × 6 mm SON NexFET™ power MOSFET is designed to minimize losses in synchronous rectification and other power conversion applications.

This 30 V, 0.95 mΩ, 5 × 6 mm SON NexFET™ power MOSFET is designed to minimize losses in synchronous rectification and other power conversion applications.
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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet CSD17559Q5 30-V N-Channel NexFET Power MOSFET datasheet (Rev. A) PDF | HTML Sep 9, 2014
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
Technical article How to select a MOSFET - Hot Swap PDF | HTML Apr 6, 2018
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.

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

CSD17559Q5 Unencrypted PSpice Model (Rev. B)

SLPM056B.ZIP (6 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
Reference design

PMP20771 — 120VAC Input, PSR 5V 25W Flyback Reference Design

This reference design is a 120Vac to 5V primary side regulated flyback converter with synchronous rectification on the secondary side.  The reference design has extremely low standby power at 67mW.  UCC28704 features integrated CC-CV regulation without the use of an optocoupler. PMP20771 (...)
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
VSON-CLIP (DQH) 8 Ultra Librarian
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