BSP77 E6327 Equivalent & Substitute Parts

Part Overview

The BSP77 E6327 is a Power Switch/Driver IC manufactured by Infineon Technologies, featuring 1:1 N-Channel low-side output configuration in PG-SOT223-4 package. This component delivers 2.17A maximum output current with 70mOhm typical on-resistance and operates across -40°C to 150°C junction temperature range. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

Substiute Parts

BSP77 E6327

Infineon TechnologiesIn Stock: 74214BSP77 E6327 Datasheet

Current PartRFQ

BTS3134NHUMA1

Infineon TechnologiesIn Stock: 5409BTS3134NHUMA1 Datasheet

MFR RecommendedRFQ

BSP77E6433HUMA1

Infineon TechnologiesIn Stock: 3459BSP77E6433HUMA1 Datasheet

Parametric EquivalentRFQ

BSP75GTA

Diodes IncorporatedIn Stock: 41715BSP75GTA Datasheet

MFR RecommendedRFQ

VNL5050N3TR-E

STMicroelectronicsIn Stock: 37668VNL5050N3TR-E Datasheet

MFR RecommendedRFQ

VNN3NV04PTR-E

STMicroelectronicsIn Stock: 37936VNN3NV04PTR-E Datasheet

MFR RecommendedRFQ

VNN7NV04PTR-E

STMicroelectronicsIn Stock: 37706VNN7NV04PTR-E Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the BSP77 E6327 are selected based on the following critical parameters that determine functional compatibility:

Primary Substitution Criteria:

• Output Configuration: Low Side, N-Channel, 1:1 ratio
• Interface: On/Off control
• Input Type: Non-Inverting
• Fault Protection: Current Limiting (Fixed), Over Temperature, Over Voltage
• Operating Temperature Range: -40°C ~ 150°C (TJ)
• Mounting Type: Surface Mount
• Package Compatibility: TO-261-4, TO-261AA footprint

Secondary Compatibility Parameters:

• Maximum Load Voltage: 42V or higher
• Output Current Capability: 2.17A or higher
• On-Resistance: 70mOhm or lower (lower values acceptable)

Substitutes are grouped into two categories: parametric equivalents (matching all electrical specifications) and manufacturer-recommended alternatives (meeting or exceeding performance requirements with active product status).

Parameter Comparison

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement): BSP77E6433HUMA1 provides identical electrical specifications to the BSP77 E6327 with matching 2.17A output current and 70mOhm on-resistance. This part carries active product status and ROHS3 compliance, making it the preferred direct replacement for obsolete BSP77 E6327 applications.

Manufacturer-Recommended Upgrade (Enhanced Performance): BTS3134NHUMA1 from Infineon Technologies offers improved performance with 3A output current capability and reduced 35mOhm on-resistance while maintaining identical 42V load voltage rating and operating temperature range. Active product status and ROHS3 compliance support long-term supply continuity.

Alternative Suppliers (Cross-Manufacturer Options): VNN7NV04PTR-E (STMicroelectronics) and VNN3NV04PTR-E (STMicroelectronics) provide active alternatives with enhanced current ratings (6A and 3.5A respectively) and ROHS3 compliance. Note that VNL5050N3TR-E requires 3.5V to 5.5V supply voltage, which differs from the original part specification.

BSP75GTA (Diodes Incorporated) operates at higher 60V load voltage but delivers lower 1.6A current and higher 550mOhm on-resistance, suitable only for applications with reduced current requirements.

Frequently Asked Questions (FAQ)

Q: Can BTS3134NHUMA1 directly replace BSP77 E6327 in existing designs? A: Yes. BTS3134NHUMA1 maintains identical package footprint (PG-SOT223-4), operating temperature range (-40°C to 150°C), and load voltage rating (42V). The increased current capability (3A vs 2.17A) and reduced on-resistance (35mOhm vs 70mOhm) provide performance improvement without design modification.

Q: What is the difference between BSP77E6433HUMA1 and BTS3134NHUMA1? A: BSP77E6433HUMA1 is a parametric equivalent matching all original specifications (2.17A, 70mOhm). BTS3134NHUMA1 is a manufacturer-recommended upgrade with enhanced specifications (3A, 35mOhm). Both are active Infineon products with ROHS3 compliance.

Q: Are STMicroelectronics VNN and VNL series parts compatible? A: VNN3NV04PTR-E and VNN7NV04PTR-E are compatible with identical package and protection features. VNL5050N3TR-E requires external supply voltage (3.5V to 5.5V), which may require circuit modification depending on application design.

Q: Why does BSP75GTA show higher load voltage (60V) but lower current (1.6A)? A: BSP75GTA from Diodes Incorporated represents a different design point within the general-purpose power switch category. Higher voltage rating comes with reduced current capability and significantly higher on-resistance (550mOhm). Selection depends on specific application requirements.

Q: What packaging considerations apply to these substitutes? A: All listed substitutes maintain TO-261-4 or TO-261AA compatible footprints suitable for surface mount assembly. Verify PCB layout compatibility with specific package variant (PG-SOT223-4 vs SOT-223-3 vs SOT-223) before production implementation.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All active substitute parts listed carry ROHS3 compliance certification, meeting environmental and regulatory requirements for current production standards.