CSD18540Q5B vs CSD18503Q5A

This in-depth comparison of the CSD18540Q5B and CSD18503Q5A provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

CSD18540Q5B

Texas Instruments

Lifecycle: Active
Stock: 6018 PCS
Package: TDFN-8
Series: Transistors - FETs, MOSFETs - Single

+BOM RFQ

Part B

CSD18503Q5A

Texas Instruments

Lifecycle: Active
Stock: 6240 PCS
Package: TDFN-8
Series: Transistors - FETs, MOSFETs - Single

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	CSD18540Q5B	CSD18503Q5A
Series	NexFET™	NexFET™
Part Status	Active	Active
FET Type	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	60 V	40 V
Current - Continuous Drain(Id) @ 25°C	100A (Ta)	19A (Ta), 100A (Tc)
Drive Voltage(Max Rds On Min Rds On)	4.5V, 10V	4.5V, 10V
Rds On(Max) @ Id Vgs	2.2mOhm @ 28A, 10V	4.3mOhm @ 22A, 10V
Vgs(th)(Max) @ Id	2.3V @ 250µA	2.3V @ 250µA
Gate Charge(Qg)(Max) @ Vgs	53 nC @ 10 V	32 nC @ 10 V
Vgs(Max)	±20V	±20V
Input Capacitance(Ciss)(Max) @ Vds	4230 pF @ 30 V	2640 pF @ 20 V
Power Dissipation (Max)	3.1W (Ta), 195W (Tc)	3.1W (Ta), 120W (Tc)
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount	Surface Mount

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