IRF5803TR P-Channel MOSFET 40V 3.4A Equivalent & Substitute Parts

Part Overview

The IRF5803TR is a P-Channel MOSFET manufactured by Infineon Technologies, designed for surface mount applications in the Micro6™ (TSOP-6) package. This device operates at 40V drain-to-source voltage with a continuous drain current rating of 3.4A at 25°C and maximum power dissipation of 2W. The IRF5803TR is classified as obsolete, making identification of active equivalent parts essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value	Unit
FET Type	P-Channel	—
Drain to Source Voltage (Vdss)	40	V
Continuous Drain Current (Id) @ 25°C	3.4	A
On-State Resistance (Rds On) @ 3.4A, 10V	112	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	3	V
Gate Charge (Qg) @ 10V	37	nC
Input Capacitance (Ciss) @ 25V	1110	pF
Power Dissipation (Max)	2	W
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-23-6 Thin, TSOT-23-6	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the IRF5803TR is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

FET channel type: P-Channel
Drain-to-source voltage rating: 40V
Continuous drain current: 3.4A @ 25°C
On-state resistance: 112 mOhm @ 3.4A, 10V
Gate threshold voltage: 3V @ 250µA
Gate charge: 37 nC @ 10V
Input capacitance: 1110 pF @ 25V
Power dissipation: 2W
Operating temperature range: -55°C to 150°C

Mechanical Equivalence Criteria:

Package type: SOT-23-6 Thin (TSOT-23-6)
Mounting type: Surface Mount
Supplier device package: Micro6™ (TSOP-6)

The IRF5803TRPBF meets all electrical and mechanical parameters specified for the IRF5803TR and is classified as an active product, providing long-term availability and design continuity.

Parameter Comparison

Parameter	IRF5803TR	IRF5803TRPBF	Match Status
Manufacturer	Infineon Technologies	Infineon Technologies	Identical
FET Type	P-Channel	P-Channel	Identical
Vdss	40V	40V	Identical
Id @ 25°C	3.4A	3.4A	Identical
Rds On @ 3.4A, 10V	112 mOhm	112 mOhm	Identical
Vgs(th) @ 250µA	3V	3V	Identical
Gate Charge @ 10V	37 nC	37 nC	Identical
Ciss @ 25V	1110 pF	1110 pF	Identical
Power Dissipation (Max)	2W	2W	Identical
Operating Temperature	-55 to 150°C	-55 to 150°C	Identical
Package / Case	SOT-23-6 Thin, TSOT-23-6	SOT-23-6 Thin, TSOT-23-6	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Product Status	Obsolete	Active	Substitute is Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	Substitute is Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Identical

Engineering Selection Recommendations

The IRF5803TRPBF is the direct parametric equivalent of the IRF5803TR. Selection of the IRF5803TRPBF is based on the following engineering factors:

Product Status: The IRF5803TR is classified as obsolete. The IRF5803TRPBF maintains active product status with Infineon Technologies, ensuring continued availability, manufacturing support, and technical documentation.

Regulatory Compliance: The IRF5803TRPBF is ROHS3 compliant, whereas the IRF5803TR is RoHS non-compliant. For applications subject to RoHS directives or customer compliance requirements, the IRF5803TRPBF is the appropriate selection.

Electrical and Mechanical Compatibility: All electrical parameters and mechanical specifications are identical between the two parts. Pin configuration, package dimensions, and thermal characteristics remain unchanged, enabling direct substitution without circuit redesign.

Packaging and Availability: The IRF5803TRPBF is supplied in Cut Tape (CT) and Digi-Reel® packaging formats with significantly higher inventory availability (35,100 pieces in stock versus 1,250 pieces for the obsolete variant), supporting production continuity and supply chain reliability.

Frequently Asked Questions (FAQ)

Q: Can the IRF5803TRPBF be used as a direct replacement for the IRF5803TR in existing designs?

A: Yes. The IRF5803TRPBF is a parametric equivalent with identical electrical characteristics and package specifications. No circuit modifications are required for substitution.

Q: What is the difference between IRF5803TR and IRF5803TRPBF?

A: The primary differences are product status and RoHS compliance. The IRF5803TR is obsolete and RoHS non-compliant. The IRF5803TRPBF is an active product with ROHS3 compliance. All electrical and mechanical parameters are identical.

Q: Are the packages physically identical?

A: Yes. Both parts use the SOT-23-6 Thin package (TSOT-23-6) with Micro6™ (TSOP-6) supplier device package designation. Pin count, spacing, and footprint are identical.

Q: What is the moisture sensitivity level for these parts?

A: Both the IRF5803TR and IRF5803TRPBF have a Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life without moisture control requirements.

Q: Is the IRF5803TRPBF suitable for new design implementations?

A: Yes. The IRF5803TRPBF is the recommended selection for new designs due to its active product status, ROHS3 compliance, and superior inventory availability.

Q: What are the key electrical parameters that define substitution compatibility?

A: Substitution compatibility is determined by matching Vdss (40V), continuous drain current (3.4A @ 25°C), on-state resistance (112 mOhm @ 3.4A, 10V), gate threshold voltage (3V @ 250µA), and operating temperature range (-55°C to 150°C). All parameters are identical between the IRF5803TR and IRF5803TRPBF.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message