BSP129L6327HTSA1 Equivalent & Substitute Parts

Part Overview

The BSP129L6327HTSA1 is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 240V drain-to-source voltage with 350mA continuous drain current. This device is packaged in the PG-SOT223-4-21 surface mount configuration and is classified as a depletion mode FET within the SIPMOS® series.

The BSP129L6327HTSA1 carries an Obsolete product status. Locating equivalent substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this transistor topology.

Substiute Parts

BSP129L6327HTSA1

Infineon TechnologiesIn Stock: 795BSP129L6327HTSA1 Datasheet

Current PartRFQ

BSP129H6327XTSA1

Infineon TechnologiesIn Stock: 4193BSP129H6327XTSA1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BSP129L6327HTSA1 is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Drain to Source Voltage (Vdss): 240V
• Continuous Drain Current (Id) @ 25°C: 350mA
• On-State Resistance (Rds On) @ 350mA, 10V: 6 Ohm
• Gate Threshold Voltage (Vgs(th)) @ 108µA: 1V
• Gate Charge (Qg) @ 5V: 5.7 nC
• Input Capacitance (Ciss) @ 25V: 108 pF
• Maximum Gate Voltage (Vgs): ±20V
• Power Dissipation (Max): 1.8W
• Operating Temperature Range: -55°C to 150°C
• FET Type: N-Channel Depletion Mode

Mechanical Equivalence Criteria:

• Mounting Type: Surface Mount
• Package / Case: TO-261-4, TO-261AA
• Supplier Device Package: PG-SOT223-4 series

The substitute part BSP129H6327XTSA1 meets all specified electrical and mechanical parameters, ensuring functional and physical compatibility within the original application circuit.

Parameter Comparison

Engineering Selection Recommendations

The BSP129H6327XTSA1 is the direct parametric equivalent for the obsolete BSP129L6327HTSA1. Selection of the substitute part is based on the following engineering factors:

Product Status: The BSP129L6327HTSA1 is classified as Obsolete, creating supply chain risk. The BSP129H6327XTSA1 maintains Active product status, ensuring long-term availability and continued manufacturer support.

Electrical Equivalence: All critical electrical parameters are identical between the main part and substitute, including voltage rating, current capacity, on-state resistance, and thermal characteristics. No circuit redesign is required.

Compliance and Certifications: Both parts maintain identical REACH compliance status (REACH Unaffected) and identical Moisture Sensitivity Level (MSL 1 - Unlimited). The substitute part carries RoHS3 compliance certification.

Mechanical Compatibility: Both parts utilize identical surface mount packaging (TO-261-4, TO-261AA) within the PG-SOT223-4 family, ensuring direct PCB footprint compatibility without layout modifications.

Supply Availability: The BSP129H6327XTSA1 is available in higher inventory quantities (4100 Pcs) compared to the obsolete main part, supporting both immediate procurement and long-term production requirements.

Frequently Asked Questions (FAQ)

Q: Can the BSP129H6327XTSA1 be used as a direct replacement for the BSP129L6327HTSA1 without circuit modifications?

A: Yes. The BSP129H6327XTSA1 is a parametric equivalent with identical electrical specifications across all critical parameters including voltage rating, current capacity, on-state resistance, gate charge, and thermal characteristics. No circuit redesign is required for direct substitution.

Q: Are the package dimensions and PCB footprints identical between these two parts?

A: Yes. Both parts use the TO-261-4 and TO-261AA package configurations within the PG-SOT223-4 family. PCB footprints are identical, and no layout modifications are necessary.

Q: What is the primary advantage of switching to the BSP129H6327XTSA1?

A: The BSP129H6327XTSA1 carries Active product status, ensuring continued availability and manufacturer support. The obsolete BSP129L6327HTSA1 presents supply chain risk and limited future availability. The substitute part is available in significantly higher inventory quantities.

Q: Are there any compliance or certification differences between these parts?

A: Both parts maintain identical REACH compliance status and Moisture Sensitivity Level (MSL 1). The BSP129H6327XTSA1 additionally carries RoHS3 compliance certification, providing enhanced environmental compliance for new designs and production runs.

Q: What is the difference between the packaging designations PG-SOT223-4-21 and PG-SOT223-4?

A: Both designations refer to the same physical package family (TO-261-4, TO-261AA). The packaging designation difference reflects manufacturer documentation conventions and does not indicate physical or electrical differences affecting substitution compatibility.

Q: Can the BSP129H6327XTSA1 be used in applications requiring the full -55°C to 150°C operating temperature range?

A: Yes. The BSP129H6327XTSA1 supports the identical operating temperature range of -55°C to 150°C (TJ), ensuring full compatibility across all thermal operating conditions.

Q: Is the gate charge specification identical between these parts?

A: Yes. Both parts specify a maximum gate charge (Qg) of 5.7 nC @ 5V, ensuring identical switching characteristics and gate drive circuit requirements.