BSP320S E6327 Equivalent & Substitute Parts

Part Overview

The BSP320S E6327 is an N-Channel 60V 2.9A MOSFET manufactured by Infineon Technologies in the SIPMOS® series. This device is packaged in PG-SOT223-4 and operates across a temperature range of -55°C to 150°C. The part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. Substitute parts maintain functional compatibility while offering improved availability and active product status.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	2.9	A
Rds On (Max) @ Id, Vgs	120	mOhm @ 2.9A, 10V
Gate Threshold Voltage (Vgs(th)) (Max)	4	V @ 20µA
Gate Charge (Qg) (Max)	12	nC @ 10V
Power Dissipation (Max)	1.8	W
Operating Temperature Range	-55 to 150	°C
Mounting Type	Surface Mount	—
Package	PG-SOT223-4 (TO-261-4, TO-261AA)	—
RoHS Status	Non-compliant	—

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Electrical Compatibility Requirements:

Drain to Source Voltage (Vdss): Must equal or exceed 60V
Continuous Drain Current (Id): Must equal or exceed 2.9A at 25°C
Gate Threshold Voltage (Vgs(th)): Must be compatible with 4V maximum specification
Maximum Gate Voltage (Vgs): Must accommodate ±20V operation
Rds On: Lower values indicate improved performance; values at or below 120mOhm @ 10V are acceptable

Mechanical Compatibility Requirements:

Mounting Type: Surface Mount (required)
Package: SOT-223-4 or equivalent TO-261-4/TO-261AA footprint (required)
Moisture Sensitivity Level: MSL 1 (Unlimited) preferred for handling consistency

Regulatory & Availability Requirements:

Product Status: Active status preferred for long-term availability
RoHS Compliance: ROHS3 compliant substitutes recommended for new designs

All four substitute parts (NDT3055, NDT3055L, STN3NF06, STN3NF06L) meet or exceed the electrical requirements of the BSP320S E6327 while maintaining package compatibility and offering superior availability.

Parameter Comparison

Parameter	BSP320S E6327	NDT3055	NDT3055L	STN3NF06	STN3NF06L
Manufacturer	Infineon	onsemi	onsemi	STMicroelectronics	STMicroelectronics
FET Type	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel
Vdss	60V	60V	60V	60V	60V
Id @ 25°C	2.9A	4A	4A	4A	4A
Rds On (Max) @ 10V	120mOhm @ 2.9A	100mOhm @ 4A	100mOhm @ 4A	100mOhm @ 1.5A	100mOhm @ 1.5A
Vgs(th) (Max)	4V @ 20µA	4V @ 250µA	2V @ 250µA	4V @ 250µA	2.8V @ 250µA
Gate Charge (Qg) (Max)	12nC @ 10V	15nC @ 10V	20nC @ 10V	13nC @ 10V	9nC @ 5V
Power Dissipation (Max)	1.8W	3W	3W	3.3W	3.3W
Operating Temperature	-55 to 150°C	-65 to 150°C	-65 to 150°C	-55 to 150°C	-55 to 150°C
Package	PG-SOT223-4	SOT-223-4	SOT-223-4	SOT-223	SOT-223
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Inventory Availability	835 Pcs	23400 Pcs	23100 Pcs	7792 Pcs	72446 Pcs

Engineering Selection Recommendations

For New Designs: STN3NF06L is the preferred substitute. This part offers the lowest gate charge (9nC @ 5V), reduced gate threshold voltage (2.8V), and the highest inventory availability (72,446 pcs). STMicroelectronics' STripFET™ II series provides ROHS3 compliance and active product status with extended temperature range support (-55°C to 150°C).

For Direct Replacement in Existing Designs: NDT3055 or NDT3055L from onsemi provide direct functional equivalence with improved current ratings (4A vs. 2.9A) and lower on-resistance (100mOhm vs. 120mOhm). Both parts maintain SOT-223-4 package compatibility and offer ROHS3 compliance. NDT3055L includes lower gate threshold voltage (2V) for enhanced low-voltage gate drive applications.

For High-Volume Production: STN3NF06L supports the largest inventory base (72,446 pcs) and represents the most readily available option. The part's active status and ROHS3 compliance ensure long-term supply chain stability.

Regulatory Compliance: All substitute parts are ROHS3 compliant, addressing environmental and regulatory requirements superior to the obsolete BSP320S E6327 (non-compliant). All parts maintain REACH Unaffected status and EAR99 export classification.

Frequently Asked Questions (FAQ)

Q: Can I use NDT3055 or NDT3055L as a direct drop-in replacement for BSP320S E6327?

A: Yes. Both parts maintain identical Vdss (60V), compatible Vgs(th) specifications, and equivalent SOT-223-4 package footprints. The higher current rating (4A vs. 2.9A) and lower on-resistance (100mOhm vs. 120mOhm) provide improved performance margins. Gate charge differences (15nC and 20nC vs. 12nC) require verification in gate drive circuits operating at frequency limits.

Q: What is the difference between NDT3055 and NDT3055L?

A: NDT3055L features a lower gate threshold voltage (2V vs. 4V) and higher gate charge (20nC vs. 15nC). NDT3055L is optimized for lower gate drive voltage applications. Both parts share identical Vdss, Id, and Rds On specifications.

Q: Are STN3NF06 and STN3NF06L interchangeable?

A: Both parts are functionally compatible with identical Vdss (60V), Id (4A), and Rds On (100mOhm @ 1.5A, 10V). STN3NF06L features lower gate threshold voltage (2.8V vs. 4V) and significantly lower gate charge (9nC @ 5V vs. 13nC @ 10V). Selection depends on gate drive circuit requirements and switching frequency specifications.

Q: Does package compatibility extend beyond SOT-223-4?

A: All substitute parts use SOT-223-4 or SOT-223 packaging with TO-261-4 and TO-261AA case equivalents. Footprint compatibility is maintained across all four substitutes. Verify PCB layout and thermal pad requirements for specific applications.

Q: What are the inventory implications of selecting BSP320S E6327 substitutes?

A: The BSP320S E6327 has limited availability (835 pcs). Substitute parts offer significantly higher inventory: NDT3055 (23,400 pcs), NDT3055L (23,100 pcs), STN3NF06 (7,792 pcs), and STN3NF06L (72,446 pcs). STN3NF06L provides the most robust long-term supply assurance.

Q: Are there thermal performance differences between the main part and substitutes?

A: The BSP320S E6327 is rated at 1.8W maximum power dissipation. All substitutes exceed this specification: NDT3055 and NDT3055L (3W), STN3NF06 and STN3NF06L (3.3W). Higher power dissipation ratings provide improved thermal margins in continuous operation scenarios.

Q: Which substitute is best for RoHS-compliant applications?

A: All four substitute parts are ROHS3 compliant. The BSP320S E6327 is non-compliant. For new designs requiring environmental compliance, any substitute part satisfies regulatory requirements. STN3NF06L is recommended for maximum compliance assurance due to highest inventory and active product status.

Q: How do gate charge specifications affect circuit design?

A: Gate charge (Qg) determines gate drive current and switching speed. BSP320S E6327 specifies 12nC @ 10V. Substitutes range from 9nC (STN3NF06L @ 5V) to 20nC (NDT3055L @ 10V). Higher gate charge requires increased gate drive capability. Verify gate driver specifications support the selected substitute's Qg rating.

Q: What is the operating temperature range compatibility?

A: BSP320S E6327 operates -55°C to 150°C. NDT3055 and NDT3055L extend the lower limit to -65°C. STN3NF06 and STN3NF06L maintain -55°C to 150°C. All parts support the original specification range; onsemi substitutes provide extended low-temperature operation.

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