IRF9520NSTRR P-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IRF9520NSTRR is a P-Channel MOSFET manufactured by Infineon Technologies, rated for 100V drain-to-source voltage with 6.8A continuous drain current in a surface mount D2PAK package. This device is classified as obsolete, which necessitates identification of active equivalent alternatives for ongoing design support and procurement. The substitute parts listed maintain electrical and mechanical compatibility while offering active product status and improved compliance certifications.

Key Parameters

Parameter	Value	Unit
FET Type	P-Channel	—
Drain to Source Voltage (Vdss)	100	V
Current - Continuous Drain (Id) @ 25°C	6.8	A (Tc)
Drive Voltage (Max Rds On)	10	V
Rds On (Max) @ Id, Vgs	480	mOhm @ 4A, 10V
Vgs(th) (Max) @ Id	4	V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	27	nC @ 10V
Vgs (Max)	±20	V
Input Capacitance (Ciss) (Max) @ Vds	350	pF @ 25V
Power Dissipation (Max)	3.8 (Ta), 48 (Tc)	W
Operating Temperature	-55 to 175	°C (TJ)
Package / Case	TO-263-3, D2PAK	—
Mounting Type	Surface Mount	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the IRF9520NSTRR is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Drain to Source Voltage (Vdss): 100V
Continuous Drain Current (Id): 6.8A at 25°C
Gate-Source Voltage (Vgs): ±20V maximum
Operating Temperature Range: -55°C to 175°C
FET Type: P-Channel MOSFET technology

Mechanical Equivalence Criteria:

Package Type: TO-263-3 (D2PAK) with 2 leads plus tab
Mounting Type: Surface Mount
Moisture Sensitivity Level: 1 (Unlimited)

Compliance Criteria:

RoHS Status: Compliance preferred for new designs
REACH Status: Compliance status documented
ECCN Classification: EAR99

All three substitute parts (IRF9520SPBF, IRF9520STRLPBF, IRF9520STRRPBF) meet these equivalence criteria and are manufactured by Vishay Siliconix with active product status.

Parameter Comparison

Parameter	IRF9520NSTRR (Main)	IRF9520SPBF	IRF9520STRLPBF	IRF9520STRRPBF
Manufacturer	Infineon Technologies	Vishay Siliconix	Vishay Siliconix	Vishay Siliconix
Product Status	Obsolete	Active	Active	Active
Packaging	Tape & Reel (TR)	Tube	Tape & Reel (TR)	Tape & Reel (TR)
Drain to Source Voltage (Vdss)	100V	100V	100V	100V
Current - Continuous Drain (Id) @ 25°C	6.8A (Tc)	6.8A (Tc)	6.8A (Tc)	6.8A (Tc)
Drive Voltage (Max Rds On)	10V	10V	10V	10V
Rds On (Max) @ Id, Vgs	480mOhm @ 4A, 10V	600mOhm @ 4.1A, 10V	600mOhm @ 4.1A, 10V	600mOhm @ 4.1A, 10V
Vgs(th) (Max) @ Id	4V @ 250µA	4V @ 250µA	4V @ 250µA	4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	27nC @ 10V	18nC @ 10V	18nC @ 10V	18nC @ 10V
Vgs (Max)	±20V	±20V	±20V	±20V
Input Capacitance (Ciss) (Max) @ Vds	350pF @ 25V	390pF @ 25V	390pF @ 25V	390pF @ 25V
Power Dissipation (Max)	3.8W (Ta), 48W (Tc)	3.7W (Ta), 60W (Tc)	3.7W (Ta), 60W (Tc)	3.7W (Ta), 60W (Tc)
Operating Temperature	-55°C to 175°C (TJ)	-55°C to 175°C (TJ)	-55°C to 175°C (TJ)	-55°C to 175°C (TJ)
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99	EAR99	EAR99

Engineering Selection Recommendations

IRF9520SPBF (Tube Packaging)

This substitute is supplied in tube packaging rather than tape and reel format. It is suitable for applications where lower volume procurement or manual assembly processes are employed. The device carries active product status and ROHS3 compliance certification. Selection of this part is appropriate when packaging format does not constrain procurement logistics.

IRF9520STRLPBF (Tape & Reel, Large Reel)

This substitute maintains tape and reel packaging identical to the original IRF9520NSTRR format, supplied on a large reel configuration. It carries active product status with ROHS3 compliance and the highest inventory availability (23,443 pieces). This part is the preferred selection for high-volume production environments and automated assembly processes where tape and reel format is standard.

IRF9520STRRPBF (Tape & Reel, Standard Reel)

This substitute is supplied in tape and reel packaging on a standard reel configuration. It carries active product status with ROHS3 compliance certification. This part is suitable for medium-volume production runs and automated assembly where standard reel dimensions are compatible with existing equipment.

Compliance Advantage

All three substitute parts are ROHS3 compliant, addressing the RoHS non-compliant status of the obsolete IRF9520NSTRR. This compliance improvement is significant for designs targeting markets with mandatory RoHS requirements.

Electrical Performance Variance

The substitute parts exhibit slightly higher on-resistance (Rds On: 600mOhm versus 480mOhm) and lower gate charge (18nC versus 27nC). These variations remain within acceptable tolerance for P-Channel MOSFET applications operating at the specified voltage and current ratings. The higher power dissipation capability at Tc (60W versus 48W) provides improved thermal performance margin.

Frequently Asked Questions (FAQ)

Q: Can IRF9520SPBF, IRF9520STRLPBF, and IRF9520STRRPBF be used interchangeably with IRF9520NSTRR?

A: Yes, all three substitute parts are electrically and mechanically equivalent. They share identical voltage ratings (100V Vdss), current ratings (6.8A Id), gate voltage specifications (±20V Vgs), and operating temperature range (-55°C to 175°C). All are packaged in TO-263-3 (D2PAK) surface mount format. The primary differences are packaging format (tube versus tape and reel configurations) and reel size for tape and reel variants.

Q: What is the difference between IRF9520STRLPBF and IRF9520STRRPBF?

A: Both parts are identical in electrical specifications and package type (TO-263-3 D2PAK). The designation difference reflects reel size: STRLPBF indicates a large reel configuration, while STRRPBF indicates a standard reel configuration. Selection between these variants depends on equipment compatibility and procurement volume requirements.

Q: Why does IRF9520SPBF use tube packaging instead of tape and reel?

A: Tube packaging is a standard alternative distribution format for surface mount components. It is suitable for lower-volume applications, manual assembly processes, or situations where tape and reel equipment is not available. Tube packaging does not affect electrical or mechanical compatibility.

Q: Are there differences in on-resistance between the main part and substitutes?

A: Yes. The IRF9520NSTRR specifies Rds On (Max) of 480mOhm at 4A and 10V gate voltage. The three substitute parts specify 600mOhm at 4.1A and 10V gate voltage. This 120mOhm increase represents a 25% higher on-resistance specification. For applications sensitive to conduction losses, thermal analysis should confirm that the higher on-resistance does not exceed design margins.

Q: What is the significance of gate charge differences?

A: The IRF9520NSTRR specifies gate charge (Qg) of 27nC at 10V, while substitutes specify 18nC. Lower gate charge reduces switching losses and improves switching speed. This difference is favorable for high-frequency switching applications. No design modification is required; the lower gate charge of substitutes provides performance improvement.

Q: Are all substitute parts RoHS compliant?

A: Yes. All three substitute parts carry ROHS3 compliance certification. The original IRF9520NSTRR is RoHS non-compliant. This compliance improvement is mandatory for designs targeting markets with RoHS requirements.

Q: What is the inventory status of each substitute?

A: IRF9520STRLPBF has the highest availability with 23,443 pieces in stock. IRF9520SPBF has 1,250 pieces available. IRF9520STRRPBF has 1,900 pieces available. For high-volume procurement, IRF9520STRLPBF is the recommended selection based on inventory depth.

Q: Can the IRF9520NSTRR be directly replaced on existing PCBs without modification?

A: Yes. All substitute parts use identical TO-263-3 (D2PAK) package dimensions and pinout. Direct PCB replacement is possible without layout modification. No schematic changes are required.

Q: What is the thermal performance difference?

A: The IRF9520NSTRR specifies maximum power dissipation of 48W at Tc (case temperature). Substitute parts specify 60W at Tc, representing a 25% improvement in thermal capability. This improvement provides additional design margin for thermal management.

Q: Are there REACH compliance differences?

A: The IRF9520NSTRR lists REACH status as "REACH Unaffected." IRF9520SPBF lists "REACH Affected," while IRF9520STRLPBF and IRF9520STRRPBF list "Vendor Undefined" or do not specify. For applications requiring confirmed REACH compliance documentation, verification with the component supplier is necessary.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message