BSP317PL6327HTSA1 Equivalent & Substitute Parts

Part Overview

The BSP317PL6327HTSA1 is a P-Channel MOSFET manufactured by Infineon Technologies, designed for surface mount applications in the SOT223-4 package. This device operates at 250V drain-to-source voltage with a continuous drain current rating of 430mA and maximum power dissipation of 1.8W. The part is classified as obsolete, making identification of equivalent substitute components essential for ongoing design support, production continuity, and system maintenance.

Key Parameters

Parameter	Value	Unit
FET Type	P-Channel	—
Drain to Source Voltage (Vdss)	250	V
Continuous Drain Current (Id) @ 25°C	430	mA
Rds On (Max) @ 430mA, 10V	4	Ohm
Gate Threshold Voltage (Vgs(th)) @ 370µA	2	V
Power Dissipation (Max)	1.8	W
Operating Temperature Range	-55 to 150	°C
Package Type	SOT223-4 (TO-261-4, TO-261AA)	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the BSP317PL6327HTSA1 is determined by strict equivalence across the following electrical and mechanical parameters:

Critical Matching Parameters:

FET channel type: P-Channel
Drain-to-source voltage rating: 250V
Continuous drain current: 430mA @ 25°C
On-state resistance: 4Ohm @ 430mA, 10V gate voltage
Gate threshold voltage: 2V @ 370µA
Power dissipation capability: 1.8W
Operating temperature range: -55°C to 150°C
Package configuration: SOT223-4 (TO-261-4, TO-261AA)
Mounting technology: Surface Mount

The BSP317PH6327XTSA1 meets all electrical specifications and mechanical requirements, with identical parametric ratings across voltage, current, resistance, and thermal characteristics. Both devices belong to the Infineon SIPMOS® series and share the same base product number (BSP317), confirming functional interchangeability at the component level.

Parameter Comparison

Parameter	BSP317PL6327HTSA1	BSP317PH6327XTSA1	Match
Manufacturer	Infineon Technologies	Infineon Technologies	✓
FET Type	P-Channel	P-Channel	✓
Vdss	250V	250V	✓
Id @ 25°C	430mA	430mA	✓
Rds On (Max)	4Ohm @ 430mA, 10V	4Ohm @ 430mA, 10V	✓
Vgs(th) (Max)	2V @ 370µA	2V @ 370µA	✓
Gate Charge (Qg)	15.1nC @ 10V	15.1nC @ 10V	✓
Input Capacitance (Ciss)	262pF @ 25V	262pF @ 25V	✓
Vgs (Max)	±20V	±20V	✓
Power Dissipation (Max)	1.8W	1.8W	✓
Operating Temperature	-55°C to 150°C	-55°C to 150°C	✓
Package	SOT223-4	SOT223-4	✓
Mounting Type	Surface Mount	Surface Mount	✓
Product Status	Obsolete	Active	—
Grade	Standard	Automotive	—
Qualification	—	AEC-Q101	—
RoHS Status	—	ROHS3 Compliant	—

Engineering Selection Recommendations

Primary Substitute: BSP317PH6327XTSA1

The BSP317PH6327XTSA1 is the direct parametric equivalent for the obsolete BSP317PL6327HTSA1. All electrical characteristics, thermal ratings, and mechanical specifications are identical. The substitute part is currently in active production status, ensuring long-term availability and supply chain continuity.

Compliance and Qualification Advantages:

The BSP317PH6327XTSA1 carries automotive-grade qualification (AEC-Q101) and ROHS3 compliance, providing enhanced reliability documentation and environmental regulatory alignment. These certifications exceed the requirements of the original part and are applicable to applications requiring automotive or industrial-grade component traceability.

Production and Inventory Considerations:

The substitute part is available in higher inventory quantities (2035 Pcs) compared to the original part (1013 Pcs), with packaging options including Cut Tape and Digi-Reel formats, supporting both prototype and high-volume production workflows.

Frequently Asked Questions (FAQ)

Q: Can BSP317PH6327XTSA1 be used as a direct replacement for BSP317PL6327HTSA1 in existing designs?

A: Yes. The BSP317PH6327XTSA1 is a parametric equivalent with identical electrical specifications, on-state resistance, gate threshold voltage, and thermal characteristics. No circuit modifications are required for direct substitution in the same PCB footprint and application context.

Q: What is the difference between the two part numbers?

A: The primary differences are product status and qualification level. The BSP317PL6327HTSA1 is obsolete, while the BSP317PH6327XTSA1 is active production. The substitute carries automotive-grade qualification (AEC-Q101) and ROHS3 compliance, which are additional certifications not present in the original part specification.

Q: Are the packages identical?

A: Yes. Both parts use the SOT223-4 package (TO-261-4, TO-261AA) with surface mount technology. PCB layout, land patterns, and assembly processes remain unchanged.

Q: Does the automotive qualification of the substitute part affect non-automotive applications?

A: No. Automotive qualification represents an additional quality and reliability standard. The substitute part is fully compatible with standard industrial and consumer applications while providing enhanced documentation and traceability.

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

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage, handling, or assembly.

Q: Are there any environmental or regulatory compliance differences?

A: Both parts are REACH Unaffected and classified under ECCN EAR99 and HTSUS 8541.29.0095. The substitute part adds ROHS3 compliance, which is a regulatory advantage for applications subject to environmental directives.

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