2N7002TC N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The 2N7002TC is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 60V drain-to-source voltage with 115mA continuous drain current in a surface mount SOT-23-3 package. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The 2N7002TC serves as a general-purpose switching transistor in low-power applications requiring compact form factors and moderate voltage ratings.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain-to-Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	115	mA
On-State Resistance (Rds On) @ 500mA, 10V	7.5	Ω
Gate-Source Threshold Voltage (Vgs(th)) @ 250µA	2.5	V
Gate-Source Voltage (Vgs) Maximum	±20	V
Input Capacitance (Ciss) @ 25V	50	pF
Power Dissipation (Max)	330	mW
Operating Temperature Range	−55 to 150	°C
Package Type	SOT-23-3 (TO-236-3, SC-59)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the 2N7002TC is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

Drain-to-Source Voltage (Vdss): Must equal or exceed 60V
Continuous Drain Current (Id): Must equal or exceed 115mA at 25°C
On-State Resistance (Rds On): Must not exceed 7.5Ω at specified test conditions
Gate-Source Threshold Voltage (Vgs(th)): Must equal 2.5V at 250µA
Gate-Source Voltage Range (Vgs): Must support ±20V
Input Capacitance (Ciss): Must not exceed 50pF at 25V
Operating Temperature Range: Must support −55°C to 150°C

Mechanical Compatibility Criteria:

Package Type: SOT-23-3 (TO-236-3, SC-59) surface mount only
Mounting Type: Surface mount configuration

Compliance Criteria:

RoHS3 compliance required
MSL rating of 1 (Unlimited) required

Substitute parts are grouped into two categories: Direct Equivalents (identical electrical and mechanical specifications) and Enhanced Alternatives (superior electrical performance within the same package and voltage class).

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (mA)	Rds On @ 500mA, 10V (Ω)	Vgs(th) @ 250µA (V)	Ciss @ 25V (pF)	Power Dissipation (mW)	Product Status	Package
2N7002TC	Diodes Incorporated	60	115	7.5	2.5	50	330	Obsolete	SOT-23-3
2N7002-7-F	Diodes Incorporated	60	115	7.5	2.5	50	370	Active	SOT-23-3
2N7002L	onsemi	60	115	7.5	2.5	50	200	Active	SOT-23-3
2N7002LT1G	onsemi	60	115	7.5	2.5	50	225	Active	SOT-23-3
2N7002LT1H	onsemi	60	115	7.5	2.5	50	225	Active	SOT-23-3
2N7002LT3G	onsemi	60	115	7.5	2.5	50	225	Active	SOT-23-3
2N7002	UMW	60	115	5.0	2.5	50	225	Active	SOT-23-3
2N7002-G	onsemi	60	115	7.5	2.5	50	200	Last Time Buy	SOT-23-3
2N7002-TP	Micro Commercial Co	60	115	7.5	2.5	50	200	Active	SOT-23-3
2N7002-TP-HF	Micro Commercial Co	60	340	2.5	2.5	35	1080	Active	SOT-23-3
2N7002E-T1-E3	Vishay Siliconix	60	240	3.0	2.5	21	350	Active	SOT-23-3

Engineering Selection Recommendations

Primary Substitutes (Direct Electrical Equivalents):

The following parts maintain identical electrical specifications to the 2N7002TC and are recommended as primary substitutes:

2N7002-7-F (Diodes Incorporated, Active): Direct equivalent with marginally higher power dissipation (370mW vs. 330mW). Manufactured by the original supplier with full production support and highest inventory availability (850,200 units).
2N7002L (onsemi, Active): Meets all electrical requirements with reduced power dissipation (200mW). Suitable for applications where thermal performance is a design consideration.
2N7002LT1G (onsemi, Active): Meets all electrical requirements with 225mW power dissipation. Highest inventory availability among onsemi variants (360,300 units).
2N7002-TP (Micro Commercial Co, Active): Meets all electrical requirements with 200mW power dissipation. Established production status with substantial inventory (100,400 units).

Secondary Substitutes (Enhanced Performance):

The following parts exceed the 2N7002TC specifications and are suitable for applications requiring improved electrical performance:

2N7002 (UMW, Active): Meets all electrical requirements with superior on-state resistance (5.0Ω vs. 7.5Ω). Largest inventory availability (1,000,100 units). Recommended for new designs prioritizing performance optimization.
2N7002E-T1-E3 (Vishay Siliconix, Active): Exceeds specifications with higher drain current (240mA vs. 115mA), lower on-state resistance (3.0Ω), and reduced input capacitance (21pF). Suitable for applications requiring higher current handling or faster switching.

Automotive-Grade Option:

2N7002LT1H (onsemi, Active): Identical electrical specifications to 2N7002LT1G with AEC-Q101 automotive qualification. Required for automotive applications.

Parts to Avoid:

2N7002-G (onsemi, Last Time Buy): Approaching end-of-life status. Not recommended for new designs or long-term production commitments.
2N7002-TP-HF (Micro Commercial Co, Active): Significantly different electrical characteristics (340mA drain current, 2.5Ω on-state resistance). Not a direct substitute; suitable only for applications requiring higher current capacity.

All recommended substitutes maintain SOT-23-3 package compatibility, RoHS3 compliance, MSL-1 rating, and −55°C to 150°C operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can I use 2N7002-TP-HF as a direct replacement for 2N7002TC?

A: No. The 2N7002-TP-HF has significantly different electrical characteristics: 340mA drain current (vs. 115mA), 2.5Ω on-state resistance (vs. 7.5Ω), and 1.08W power dissipation (vs. 330mW). This part is suitable only for applications requiring higher current capacity and is not a direct substitute.

Q: What is the difference between 2N7002LT1G and 2N7002LT1H?

A: Both parts have identical electrical specifications and power dissipation (225mW). The 2N7002LT1H includes AEC-Q101 automotive qualification and is required for automotive applications. The 2N7002LT1G is suitable for general industrial and consumer applications.

Q: Is the UMW 2N7002 a suitable replacement?

A: Yes. The UMW 2N7002 meets all electrical requirements and offers superior on-state resistance (5.0Ω vs. 7.5Ω), making it suitable for applications where lower conduction losses are beneficial. It has the highest inventory availability and is recommended for new designs.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All recommended substitute parts listed in this document are RoHS3 compliant and maintain MSL-1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard manufacturing and storage practices.

Q: Can I use 2N7002E-T1-E3 in place of 2N7002TC?

A: Yes. The 2N7002E-T1-E3 exceeds the 2N7002TC specifications with higher drain current (240mA), lower on-state resistance (3.0Ω), and reduced input capacitance (21pF). It is suitable for applications requiring improved electrical performance while maintaining the same SOT-23-3 package and voltage rating.

Q: What is the product status of 2N7002-G?

A: The 2N7002-G is classified as Last Time Buy, indicating approaching end-of-life. It is not recommended for new designs or applications requiring long-term production support. Use active-status alternatives instead.

Q: Do all substitute parts use the same SOT-23-3 package?

A: Yes. All substitute parts listed in this document use the SOT-23-3 (TO-236-3, SC-59) surface mount package, ensuring mechanical and footprint compatibility with the 2N7002TC.

Q: Which substitute offers the best thermal performance?

A: The 2N7002L offers the lowest power dissipation at 200mW, followed by 2N7002-TP and 2N7002-G at 200mW. These parts are suitable for applications where thermal management is a design constraint.

Q: Can I use 2N7002 (UMW) in high-temperature applications?

A: Yes. The UMW 2N7002 supports the full operating temperature range of −55°C to 150°C, identical to the 2N7002TC, making it suitable for high-temperature applications.

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