BSP149L6906HTSA1 Equivalent & Substitute Parts

Part Overview

The BSP149L6906HTSA1 is an N-Channel MOSFET manufactured by Infineon Technologies, part of the SIPMOS® series. This device is rated for 200V drain-to-source voltage with a continuous drain current of 660mA and maximum power dissipation of 1.8W. The component is housed in a PG-SOT223-4-21 surface mount package (TO-261-4, TO-261AA).

The BSP149L6906HTSA1 carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this MOSFET.

Substiute Parts

BSP149L6906HTSA1

Infineon TechnologiesIn Stock: 796BSP149L6906HTSA1 Datasheet

Current PartRFQ

BSP149H6327XTSA1

Infineon TechnologiesIn Stock: 7313BSP149H6327XTSA1 Datasheet

Parametric EquivalentRFQ

BSP149H6906XTSA1

Infineon TechnologiesIn Stock: 2166BSP149H6906XTSA1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BSP149L6906HTSA1 is determined by strict equivalence across the following electrical and mechanical parameters:

Critical Substitution Parameters:

• Drain to Source Voltage (Vdss): 200V
• Continuous Drain Current (Id): 660mA @ 25°C
• On-State Resistance (Rds On): 1.8 Ohm @ 660mA, 10V
• Gate Threshold Voltage (Vgs(th)): 1V @ 400µA
• Gate Charge (Qg): 14 nC @ 5V
• Input Capacitance (Ciss): 430 pF @ 25V
• Maximum Gate Voltage (Vgs): ±20V
• Power Dissipation: 1.8W
• Operating Temperature Range: -55°C to 150°C
• FET Type: N-Channel, Depletion Mode
• Package: TO-261-4, TO-261AA (PG-SOT223-4 form factor)
• Mounting Type: Surface Mount

All identified substitute parts maintain identical electrical characteristics and mechanical compatibility with the main part number. Substitutes differ only in product status, packaging format, and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

BSP149H6327XTSA1 is the primary recommended substitute for the BSP149L6906HTSA1. This part maintains complete electrical and mechanical equivalence while offering the following advantages:

• Active product status ensures long-term availability and continued manufacturer support
• ROHS3 compliance certification
• Higher inventory availability (7300 units in stock versus 765 units for the main part)
• Packaging format: Cut Tape (CT) & Digi-Reel® for automated assembly operations

BSP149H6906XTSA1 is an alternative substitute that provides identical electrical and mechanical specifications. However, this part carries an Obsolete product status, limiting its suitability for new designs or long-term production commitments. This option is applicable only when existing inventory must be utilized or when design constraints require the specific packaging format.

For applications requiring active product status and regulatory compliance, BSP149H6327XTSA1 is the preferred selection. Both substitute parts are electrically and mechanically interchangeable with the original BSP149L6906HTSA1 across all specified parameters.

Frequently Asked Questions (FAQ)

Q: What makes BSP149H6327XTSA1 and BSP149H6906XTSA1 suitable substitutes for BSP149L6906HTSA1?

A: Both substitute parts maintain identical electrical specifications across all critical parameters: 200V Vdss, 660mA continuous drain current, 1.8 Ohm Rds On, 1V gate threshold voltage, 14 nC gate charge, and 430 pF input capacitance. Mechanical compatibility is ensured through identical package types (TO-261-4, TO-261AA) and surface mount configuration. All three parts are N-Channel depletion mode MOSFETs with matching operating temperature ranges and power dissipation ratings.

Q: Why is BSP149H6327XTSA1 recommended over BSP149H6906XTSA1?

A: BSP149H6327XTSA1 carries Active product status, ensuring ongoing manufacturer support and supply chain availability. BSP149H6906XTSA1 is classified as Obsolete, which may limit future procurement options. Additionally, BSP149H6327XTSA1 is ROHS3 compliant and available in higher quantities (7300 units in stock).

Q: Are there any package or pinout differences between these parts?

A: No. All three parts utilize the identical PG-SOT223-4 package form factor with TO-261-4 and TO-261AA case designations. Pinout and mechanical dimensions are equivalent, enabling direct substitution without PCB layout modifications.

Q: What is the difference between the packaging formats listed for these parts?

A: BSP149L6906HTSA1 is supplied in standard packaging. BSP149H6906XTSA1 and BSP149H6327XTSA1 are available in Cut Tape (CT) and Digi-Reel® formats, which are optimized for automated pick-and-place assembly operations. The electrical and mechanical specifications remain unchanged regardless of packaging format.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. All three parts are electrically and mechanically equivalent across the specified parameter set. Direct substitution is possible without design modifications, circuit recalculation, or PCB layout changes.

Q: What compliance certifications apply to these substitute parts?

A: All three parts are REACH Unaffected and classified under ECCN EAR99. BSP149H6327XTSA1 and BSP149H6906XTSA1 are ROHS3 compliant. All parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements.

Q: Is there a performance difference between these MOSFETs?

A: No. All three parts deliver identical performance across electrical and thermal specifications. Differences exist only in product lifecycle status, compliance certifications, and packaging format.