IRF7353D2PBF Equivalent & Substitute Parts

Part Overview

The IRF7353D2PBF is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 30V drain-to-source voltage with 6.5A continuous drain current at 25°C. This device features a Schottky diode (isolated) and is housed in an 8-SO surface mount package. The part is classified as obsolete, necessitating identification of active equivalent alternatives for ongoing design requirements and procurement needs.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	30	V
Current - Continuous Drain (Id) @ 25°C	6.5	A
Rds On (Max) @ Id, Vgs	29 mOhm @ 5.8A, 10V	mOhm
Vgs(th) (Max) @ Id	1	V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	33	nC @ 10V
Power Dissipation (Max)	2	W
Operating Temperature Range	-55 to 150	°C
Mounting Type	Surface Mount	-
Package / Case	8-SOIC (0.154", 3.90mm Width)	-

Substitute Part Grouping Explanation

Substitution of the IRF7353D2PBF is determined by the following critical parameters:

Electrical Compatibility Requirements:

Drain to Source Voltage (Vdss): Must equal or exceed 30V
Continuous Drain Current (Id): Must support minimum 6.5A at 25°C
On-State Resistance (Rds On): Must not exceed specified maximum values for the application
Gate Threshold Voltage (Vgs(th)): Must be compatible with drive circuitry
Power Dissipation: Must support thermal requirements
Operating Temperature Range: Must encompass -55°C to 150°C

Mechanical Compatibility Requirements:

Mounting Type: Surface Mount
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Moisture Sensitivity Level: MSL 1 (Unlimited)

Regulatory Compliance:

REACH Status: REACH Unaffected
ECCN: EAR99
HTSUS: 8541.29.0095

The identified substitute parts meet these criteria while offering active product status and current availability.

Parameter Comparison

Parameter	IRF7353D2PBF (Main)	CWDM305N TR13 PBFREE	MCQ4822-TP
Manufacturer	Infineon Technologies	Central Semiconductor Corp	Micro Commercial Co
Product Status	Obsolete	Active	Active
FET Type	N-Channel	N-Channel	N-Channel
Drain to Source Voltage (Vdss)	30 V	30 V	30 V
Current - Continuous Drain (Id) @ 25°C	6.5 A	5.8 A	8.5 A
Rds On (Max) @ Id, Vgs	29 mOhm @ 5.8A, 10V	30 mOhm @ 2.9A, 10V	26 mOhm @ 6A, 4.5V
Vgs(th) (Max) @ Id	1 V @ 250µA	3 V @ 250µA	3 V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	33 nC @ 10V	6.3 nC @ 5V	23 nC @ 10V
Power Dissipation (Max)	2 W	2 W	1.4 W
Operating Temperature Range	-55 to 150 °C	-55 to 150 °C	-55 to 150 °C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)	8-SOIC (0.154", 3.90mm Width)
Vgs (Max)	±20 V	20 V	±20 V
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99

Engineering Selection Recommendations

CWDM305N TR13 PBFREE (Central Semiconductor Corp)

This substitute maintains electrical and mechanical compatibility with the IRF7353D2PBF. The part is active and RoHS3 compliant. Continuous drain current is rated at 5.8A, which is within 89% of the original specification. On-state resistance is comparable at 30 mOhm. Gate charge is significantly lower at 6.3 nC, indicating improved switching performance. The part is available in tape and reel packaging with 850 units in stock.

MCQ4822-TP (Micro Commercial Co)

This substitute exceeds the electrical specifications of the IRF7353D2PBF. Continuous drain current is rated at 8.5A, providing 131% of the original specification. On-state resistance is superior at 26 mOhm. Power dissipation is reduced to 1.4W, indicating improved thermal efficiency. Gate charge at 23 nC is lower than the original. The part is active and RoHS3 compliant, with 26,029 units in stock, providing superior availability.

Both substitutes are housed in 8-SOIC packages compatible with the original footprint, operate across the same temperature range, and maintain regulatory compliance with REACH and EAR99 classifications.

Frequently Asked Questions (FAQ)

Q: Can the CWDM305N TR13 PBFREE be used as a direct replacement for the IRF7353D2PBF?

A: The CWDM305N TR13 PBFREE is mechanically and electrically compatible. Both devices share identical Vdss (30V), operating temperature range (-55 to 150°C), and 8-SOIC package dimensions. The continuous drain current of 5.8A is slightly lower than the original 6.5A specification. Substitution is valid when the application current requirement does not exceed 5.8A at 25°C.

Q: What are the advantages of using MCQ4822-TP over the original IRF7353D2PBF?

A: The MCQ4822-TP provides higher continuous drain current (8.5A versus 6.5A), lower on-state resistance (26 mOhm versus 29 mOhm), and reduced power dissipation (1.4W versus 2W). These characteristics result in improved thermal performance and current handling capability. The part is active with high inventory availability.

Q: Are both substitute parts compatible with the original PCB layout?

A: Yes. Both CWDM305N TR13 PBFREE and MCQ4822-TP are housed in 8-SOIC packages with identical dimensions (0.154", 3.90mm width). Pin configurations and footprints are compatible with the original IRF7353D2PBF design.

Q: What is the significance of the gate charge difference between these parts?

A: Gate charge (Qg) affects switching speed and drive circuit requirements. The CWDM305N TR13 PBFREE has lower gate charge (6.3 nC at 5V) compared to the original (33 nC at 10V), enabling faster switching transitions. The MCQ4822-TP has intermediate gate charge (23 nC at 10V). Lower gate charge reduces switching losses and allows use of lower-power gate drivers.

Q: Are there any compliance or regulatory differences between the substitute parts?

A: All three parts share identical regulatory classifications: REACH Unaffected, ECCN EAR99, and HTSUS 8541.29.0095. The CWDM305N TR13 PBFREE is RoHS3 compliant. The MCQ4822-TP is also RoHS3 compliant. Both substitutes meet the same environmental and export compliance requirements as the original part.

Q: Which substitute part should be selected for new designs?

A: Selection depends on application current requirements. For applications requiring 5.8A or less, the CWDM305N TR13 PBFREE is suitable. For applications requiring higher current capacity or improved thermal performance, the MCQ4822-TP is recommended. Both parts are active with current manufacturing status and adequate inventory availability.

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