IRL540STRL N-Channel MOSFET 100V 28A D2PAK Equivalent & Substitute Parts

Part Overview

The IRL540STRL is an N-Channel MOSFET manufactured by Vishay Siliconix, rated for 100V drain-to-source voltage with 28A continuous drain current in a surface mount TO-263 (D2PAK) package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The IRL540STRL serves in switching and amplification applications requiring moderate current handling at 100V operating levels.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain-to-Source Voltage (Vdss)	100	V
Continuous Drain Current (Id) @ 25°C	28	A (Tc)
On-State Resistance (Rds On) @ 17A, 5V	77	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	2	V
Gate Charge (Qg) @ 5V	64	nC
Input Capacitance (Ciss) @ 25V	2200	pF
Power Dissipation (Max)	3.7 (Ta), 150 (Tc)	W
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	TO-263 (D2PAK)	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the IRL540STRL is determined by the following critical parameters: N-Channel FET type, 100V Vdss rating, surface mount D2PAK package, and operating temperature range of -55°C to 175°C. Substitute parts must maintain these core electrical and mechanical specifications to ensure direct functional replacement without circuit redesign.

The substitute parts are grouped into two categories:

Parametric Equivalents maintain identical or near-identical electrical characteristics and are sourced from the same manufacturer (Vishay Siliconix). These parts differ only in packaging format (tape & reel versus bulk) or minor product status changes.

Manufacturer-Recommended Alternatives are sourced from different manufacturers (Nexperia USA Inc. and Infineon Technologies) and provide functional substitution with variations in specific parameters such as continuous drain current, on-state resistance, or gate charge. These alternatives are selected based on compatibility with the 100V Vdss, D2PAK package, and surface mount configuration.

Parameter Comparison

Parameter	IRL540STRL	IRL540STRLPBF	IRL540STRR	BUK9675-100A,118	IRF530NSTRLPBF	IRL540NSTRLPBF
Manufacturer	Vishay Siliconix	Vishay Siliconix	Vishay Siliconix	Nexperia USA Inc.	Infineon Technologies	Infineon Technologies
FET Type	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel
Vdss (V)	100	100	100	100	100	100
Id @ 25°C (A)	28	28	28	23	17	36
Rds On (mOhm)	77 @ 17A, 5V	77 @ 17A, 5V	77 @ 17A, 5V	72 @ 10A, 10V	90 @ 9A, 10V	44 @ 18A, 10V
Vgs(th) (V)	2 @ 250µA	2 @ 250µA	2 @ 250µA	2 @ 1mA	4 @ 250µA	2 @ 250µA
Qg (nC)	64 @ 5V	64 @ 5V	64 @ 5V	—	37 @ 10V	74 @ 5V
Ciss (pF)	2200 @ 25V	2200 @ 25V	2200 @ 25V	1704 @ 25V	920 @ 25V	1800 @ 25V
Power Dissipation (W)	3.7 (Ta), 150 (Tc)	3.7 (Ta), 150 (Tc)	3.7 (Ta), 150 (Tc)	99 (Tc)	3.8 (Ta), 70 (Tc)	3.8 (Ta), 140 (Tc)
Operating Temp (°C)	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175
Package	TO-263 (D2PAK)	TO-263 (D2PAK)	TO-263 (D2PAK)	D2PAK	D2PAK	D2PAK
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

IRL540STRLPBF is the primary direct equivalent. This part maintains identical electrical specifications to the IRL540STRL while offering active product status and ROHS3 compliance. The only difference is packaging format (tape & reel versus bulk). This part is recommended for new designs and ongoing production requiring the exact electrical performance of the original IRL540STRL.

IRL540STRR provides parametric equivalence with identical electrical characteristics and active product status. This part is suitable for applications where the original IRL540STRL specifications are required and RoHS compliance is not mandated.

IRL540NSTRLPBF (Infineon Technologies) offers higher continuous drain current (36A versus 28A) and lower on-state resistance (44 mOhm versus 77 mOhm), making it suitable for applications requiring improved current handling or reduced power dissipation. This part is ROHS3 compliant and active. Selection of this part requires verification that the circuit design accommodates the different gate charge (74 nC versus 64 nC) and input capacitance (1800 pF versus 2200 pF).

BUK9675-100A,118 (Nexperia USA Inc.) provides a lower continuous drain current rating (23A versus 28A) with improved on-state resistance (72 mOhm versus 77 mOhm). This part includes automotive qualification (AEC-Q101) and is ROHS3 compliant. Selection of this part is appropriate only for applications where 23A continuous current is sufficient.

IRF530NSTRLPBF (Infineon Technologies) provides the lowest continuous drain current (17A) and highest on-state resistance (90 mOhm) among the alternatives. This part is suitable only for applications with reduced current requirements and is not recommended as a direct substitute for the IRL540STRL in designs requiring 28A operation.

Frequently Asked Questions (FAQ)

Q: Can IRL540STRLPBF be used as a direct replacement for IRL540STRL?

A: Yes. IRL540STRLPBF maintains identical electrical specifications including 100V Vdss, 28A continuous drain current, 77 mOhm on-state resistance, and D2PAK package. The difference is packaging format (tape & reel) and active product status with ROHS3 compliance.

Q: What is the difference between IRL540STRL and IRL540NSTRLPBF?

A: IRL540NSTRLPBF has higher continuous drain current (36A versus 28A) and lower on-state resistance (44 mOhm versus 77 mOhm). Gate charge is higher (74 nC versus 64 nC) and input capacitance is lower (1800 pF versus 2200 pF). Both maintain 100V Vdss and D2PAK package. Circuit redesign may be necessary to accommodate these parameter differences.

Q: Is BUK9675-100A,118 a suitable substitute for IRL540STRL?

A: BUK9675-100A,118 maintains 100V Vdss and D2PAK package but has lower continuous drain current (23A versus 28A). This part is suitable only for applications where 23A operation is acceptable. It offers improved on-state resistance (72 mOhm) and includes automotive qualification.

Q: What are the RoHS compliance differences among these parts?

A: IRL540STRL and IRL540STRR are RoHS non-compliant. IRL540STRLPBF, BUK9675-100A,118, IRF530NSTRLPBF, and IRL540NSTRLPBF are all ROHS3 compliant. Selection of ROHS3 compliant parts is required for applications subject to RoHS regulations.

Q: Can IRF530NSTRLPBF replace IRL540STRL in all applications?

A: No. IRF530NSTRLPBF has significantly lower continuous drain current (17A versus 28A) and higher on-state resistance (90 mOhm versus 77 mOhm). This part is suitable only for applications with reduced current requirements and is not recommended as a general substitute.

Q: Are all substitute parts available in the same D2PAK package?

A: Yes. All substitute parts listed use the TO-263 (D2PAK) surface mount package with identical pinout and mechanical compatibility. Direct PCB substitution is possible without layout modifications.

Q: What is the inventory status of these substitute parts?

A: IRL540STRLPBF has 1134 pieces in stock, IRL540STRR has 741 pieces, BUK9675-100A,118 has 14995 pieces, IRF530NSTRLPBF has 67060 pieces, and IRL540NSTRLPBF has 16532 pieces in stock.

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