BSS131E6327 N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The BSS131E6327 is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 240V drain-to-source voltage with 110mA continuous drain current. The device is housed in a SOT-23-3 surface mount package and is designed for general-purpose switching applications requiring moderate voltage and current ratings.

The BSS131E6327 carries an Obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this component.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	240	V
Continuous Drain Current (Id) @ 25°C	110	mA
On-State Resistance (Rds On) @ 100mA, 10V	14	Ω
Gate Threshold Voltage (Vgs(th)) @ 56µA	1.8	V
Power Dissipation (Max)	360	mW
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-23-3	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the BSS131E6327 is determined by the following critical parameters:

Voltage Rating (Vdss): The substitute must support 240V drain-to-source voltage or higher to maintain circuit protection margins.

Current Rating (Id): The substitute must support continuous drain current of 110mA or higher at 25°C to handle the design load without thermal stress.

On-State Resistance (Rds On): The substitute should maintain comparable on-state resistance to preserve switching efficiency and heat dissipation characteristics.

Package and Mounting: The substitute must use SOT-23-3 surface mount packaging to ensure mechanical and electrical compatibility with existing PCB layouts.

Gate Threshold Voltage (Vgs(th)): The substitute should maintain similar gate threshold voltage to ensure compatible gate drive requirements.

Operating Temperature Range: The substitute must support the full operating temperature range of -55°C to 150°C.

Based on these criteria, the substitute parts are grouped as follows:

Parametric Equivalent (Direct Replacement): BSS131H6327XTSA1 — Identical electrical specifications with Active product status and improved packaging options.

Functional Equivalent (Higher Performance): TN2404K-T1-E3 — Maintains 240V voltage rating with enhanced current capability (200mA) and lower on-state resistance (4Ω), suitable for applications requiring improved performance margins.

Functional Substitute (Lower Voltage Rating): 2N7002 — Reduced voltage rating (60V) with comparable current and package compatibility; suitable only for applications where 60V voltage rating is sufficient.

Parameter Comparison

Parameter	BSS131E6327	BSS131H6327XTSA1	TN2404K-T1-E3	2N7002
Manufacturer	Infineon Technologies	Infineon Technologies	Vishay Siliconix	UMW
Product Status	Obsolete	Active	Active	Active
FET Type	N-Channel	N-Channel	N-Channel	N-Channel
Vdss (V)	240	240	240	60
Id @ 25°C (mA)	110	110	200	115
Rds On @ 10V (Ω)	14 @ 100mA	14 @ 100mA	4 @ 300mA	5 @ 500mA
Vgs(th) (V)	1.8 @ 56µA	1.8 @ 56µA	2 @ 250µA	2.5 @ 250µA
Power Dissipation (mW)	360	360	360	225
Operating Temperature (°C)	-55 to 150	-55 to 150	-55 to 150	to 150
Package	SOT-23-3	SOT-23-3	SOT-23-3	SOT-23-3
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Recommended Primary Choice):

BSS131H6327XTSA1 is the preferred substitute. It maintains identical electrical specifications to the BSS131E6327 while offering Active product status, ensuring long-term availability and supply chain stability. The device is ROHS3 compliant and available in higher quantities (52,080 pcs in stock). Packaging is available in Cut Tape and Digi-Reel formats, supporting both manual and automated assembly processes.

For Enhanced Performance Applications:

TN2404K-T1-E3 (Vishay Siliconix) provides superior performance characteristics with doubled continuous drain current (200mA) and significantly reduced on-state resistance (4Ω at 300mA, 10V). This device maintains the 240V voltage rating and 360mW power dissipation, making it suitable for applications requiring improved efficiency or higher current handling. ROHS3 compliance and Active product status ensure regulatory compliance and supply availability.

For Cost-Optimized, Lower-Voltage Applications:

2N7002 (UMW) is suitable only when the application voltage requirement does not exceed 60V. While this device offers comparable current capability (115mA) and maintains SOT-23-3 packaging, the reduced voltage rating (60V versus 240V) restricts its use to lower-voltage circuit topologies. ROHS3 compliance and extensive inventory (1,000,100 pcs) support high-volume applications within voltage constraints.

All substitute parts carry REACH Unaffected and EAR99 ECCN classifications, matching the regulatory profile of the original part.

Frequently Asked Questions (FAQ)

Q: Can BSS131H6327XTSA1 be used as a direct replacement for BSS131E6327?

A: Yes. BSS131H6327XTSA1 is a parametric equivalent with identical electrical specifications (240V Vdss, 110mA Id, 14Ω Rds On, 1.8V Vgs(th), 360mW power dissipation) and matching SOT-23-3 package. The primary difference is product status (Active versus Obsolete) and packaging format (Cut Tape/Digi-Reel versus Tape & Reel). No circuit modifications are required.

Q: What are the key differences between TN2404K-T1-E3 and BSS131E6327?

A: TN2404K-T1-E3 maintains the 240V voltage rating and 360mW power dissipation but provides enhanced current capability (200mA versus 110mA) and significantly lower on-state resistance (4Ω at 300mA versus 14Ω at 100mA). Gate threshold voltage is slightly higher (2V versus 1.8V). These improvements make TN2404K-T1-E3 suitable for applications requiring higher current handling or lower conduction losses. SOT-23-3 package compatibility is maintained.

Q: Is 2N7002 suitable as a substitute for BSS131E6327?

A: 2N7002 is suitable only for applications where the circuit voltage does not exceed 60V. The 60V Vdss rating is significantly lower than the 240V rating of BSS131E6327. Current capability (115mA) and package type (SOT-23-3) are compatible, but the reduced voltage rating restricts use to lower-voltage topologies. Verify circuit voltage requirements before selection.

Q: What packaging formats are available for substitute parts?

A: BSS131H6327XTSA1 is available in Cut Tape (CT) and Digi-Reel formats. TN2404K-T1-E3 and 2N7002 are available in Cut Tape and Digi-Reel formats. All devices use SOT-23-3 (TO-236-3, SC-59) surface mount packaging, ensuring compatibility with standard PCB assembly processes.

Q: Are all substitute parts RoHS compliant?

A: Yes. BSS131H6327XTSA1, TN2404K-T1-E3, and 2N7002 are all ROHS3 compliant. The original BSS131E6327 RoHS status is not specified in the provided data. All parts carry REACH Unaffected classification.

Q: What is the operating temperature range for each substitute?

A: BSS131H6327XTSA1 and TN2404K-T1-E3 support -55°C to 150°C operating temperature range, matching the original BSS131E6327. 2N7002 supports operation to 150°C but does not specify the lower temperature limit in the provided data. Verify lower temperature requirements for 2N7002 if operation below 0°C is required.

Q: Which substitute offers the best availability?

A: 2N7002 offers the highest inventory (1,000,100 pcs), followed by BSS131H6327XTSA1 (52,080 pcs) and TN2404K-T1-E3 (35,400 pcs). For applications requiring immediate availability and high-volume supply, 2N7002 is optimal if voltage requirements permit. For 240V applications, BSS131H6327XTSA1 provides the best balance of availability and direct compatibility.

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