2N7002T-7 N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The 2N7002T-7 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 60V drain-to-source voltage with 115mA continuous drain current in a SOT-523 surface mount package. This device is classified as discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production continuity. Substitute parts must maintain electrical compatibility across voltage ratings, current handling, and thermal characteristics while accommodating different package formats and manufacturer specifications.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
Drain to Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	115	mA
Rds On (Max) @ 50mA, 5V	7.5	Ohm
Vgs(th) (Max) @ 250µA	2	V
Vgs (Max)	±20	V
Input Capacitance (Ciss) @ 25V	50	pF
Power Dissipation (Max)	150	mW
Operating Temperature Range	-55 to 150	°C
Mounting Type	Surface Mount	—
Package	SOT-523	—
RoHS Status	Non-compliant	—

Substitute Part Grouping Explanation

Substitution of the 2N7002T-7 is determined by the following critical electrical and mechanical parameters:

Mandatory Compatibility Criteria:

Drain-to-Source Voltage (Vdss): 60V minimum
Continuous Drain Current (Id): 115mA minimum at 25°C
Gate-Source Voltage (Vgs): ±20V maximum rating
Threshold Voltage (Vgs(th)): 2V to 2.5V range
Power Dissipation: 150mW minimum

Package Considerations: Substitute parts are grouped by package format: SOT-523 (direct footprint compatibility), SOT-23/TO-236-3 (larger footprint, higher power dissipation capability), SOT-323/SC-70 (compact alternative), and SC-89-3 (alternative compact format). Package selection depends on PCB layout constraints and thermal management requirements.

Compliance Status: The original 2N7002T-7 is RoHS non-compliant and discontinued. Active substitute parts are RoHS3 compliant, supporting modern manufacturing and environmental standards.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (mA)	Rds On (Ohm)	Vgs(th) (V)	Power Diss. (mW)	Package	Status	RoHS
2N7002T-7	Diodes Inc.	60	115	7.5 @ 50mA, 5V	2	150	SOT-523	Discontinued	Non-compliant
2N7002T-7-F	Diodes Inc.	60	115	7.5 @ 50mA, 5V	2	150	SOT-523	Active	RoHS3
2N7002	UMW	60	115	5 @ 500mA, 10V	2.5	225	SOT-23	Active	RoHS3
2N7002-TP	Micro Commercial Co	60	115	7.5 @ 500mA, 10V	2.5	200	SOT-23	Active	RoHS3
2N7002E-T1-E3	Vishay Siliconix	60	240	3 @ 250mA, 10V	2.5	350	SOT-23-3	Active	RoHS3
2N7002LT1G	onsemi	60	115	7.5 @ 500mA, 10V	2.5	225	SOT-23-3	Active	RoHS3
2N7002PW,115	Nexperia USA Inc.	60	310	1.6 @ 500mA, 10V	2.4	260	SOT-323	Not For New Designs	RoHS3
2N7002T	onsemi	60	115	7.5 @ 50mA, 5V	2	200	SC-89-3	Active	RoHS3
2N7002T-TP	Micro Commercial Co	60	115	13.5 @ 500mA, 10V	2	150	SOT-523	Active	RoHS3
2N7002W	Diotec Semiconductor	60	115	13.5 @ 500mA, 10V	2	200	SOT-323	Active	RoHS3
2N7002W-TP	Micro Commercial Co	60	115	7.5 @ 50mA, 5V	2	200	SOT-323	Active	RoHS3

Engineering Selection Recommendations

Direct Replacement (Same Package - SOT-523):

The 2N7002T-7-F from Diodes Incorporated is the primary direct substitute. It maintains identical electrical specifications and package format while offering active product status and RoHS3 compliance. This part provides seamless PCB compatibility without layout modifications.

The 2N7002T-TP from Micro Commercial Co is an alternative SOT-523 option with active status and RoHS3 compliance. Electrical parameters remain within acceptable tolerance, though Rds On specification differs at different measurement conditions.

Package Alternatives (SOT-23 Format):

The 2N7002-TP from Micro Commercial Co and 2N7002 from UMW provide SOT-23 packaging with increased power dissipation capability (200mW and 225mW respectively). These parts require PCB layout modification due to larger footprint but offer improved thermal performance for applications approaching power limits.

The 2N7002LT1G from onsemi in SOT-23-3 format delivers 225mW power dissipation with active product status and full RoHS3 compliance. This option suits designs requiring enhanced thermal headroom.

Enhanced Performance Alternative:

The 2N7002E-T1-E3 from Vishay Siliconix offers superior electrical characteristics with 240mA continuous drain current and 3Ohm Rds On, providing lower on-resistance and higher current capability. This part is suitable for applications requiring performance margin beyond the original specification.

Compact Package Alternatives:

The 2N7002W-TP from Micro Commercial Co in SOT-323 format maintains electrical compatibility while offering a compact footprint. The 2N7002T from onsemi in SC-89-3 format provides an alternative compact solution with active status.

Not Recommended for New Designs:

The 2N7002PW,115 from Nexperia is classified as "Not For New Designs" despite active inventory and RoHS3 compliance. This designation indicates manufacturer discontinuation plans and should be avoided for new product development.

Frequently Asked Questions (FAQ)

Q: Can the 2N7002T-7 be directly replaced with 2N7002T-7-F without PCB modifications?

A: Yes. The 2N7002T-7-F maintains identical SOT-523 packaging and electrical specifications, enabling direct substitution without layout changes. Both parts share the same footprint and pin configuration.

Q: What is the primary reason for substituting the 2N7002T-7?

A: The 2N7002T-7 is discontinued at DiGi Electronics. The 2N7002T-7-F provides active product status with identical specifications and RoHS3 compliance, ensuring supply continuity and regulatory compliance.

Q: Are SOT-23 package alternatives electrically compatible with the original SOT-523 design?

A: SOT-23 alternatives (2N7002-TP, 2N7002LT1G, 2N7002) are electrically compatible but require PCB layout modification due to different footprint dimensions. Pin configurations differ between SOT-523 and SOT-23 packages. Verify pinout before implementation.

Q: What is the difference between 2N7002T-TP and 2N7002W-TP?

A: Both parts are from Micro Commercial Co with identical electrical ratings and RoHS3 compliance. The primary difference is package format: 2N7002T-TP uses SOT-523, while 2N7002W-TP uses SOT-323. Select based on PCB layout requirements and available footprint space.

Q: Does the 2N7002E-T1-E3 offer advantages over the original 2N7002T-7?

A: Yes. The 2N7002E-T1-E3 from Vishay Siliconix provides 240mA continuous drain current (versus 115mA) and 3Ohm Rds On (versus 7.5Ohm), delivering superior performance characteristics. Power dissipation increases to 350mW, supporting higher-power applications. This part requires SOT-23-3 package accommodation.

Q: Is the 2N7002PW,115 suitable for new product designs?

A: No. Despite active inventory and RoHS3 compliance, Nexperia classifies this part as "Not For New Designs," indicating planned discontinuation. Use only for legacy product support or maintenance applications.

Q: What thermal considerations apply when selecting between SOT-523 and SOT-23 packages?

A: SOT-23 packages (200-225mW) provide superior thermal performance compared to SOT-523 (150mW) due to larger die area and improved heat dissipation. Select SOT-23 alternatives for applications operating near maximum power dissipation limits or in elevated ambient temperature environments.

Q: Are all substitute parts RoHS3 compliant?

A: All active substitute parts listed are RoHS3 compliant. The original 2N7002T-7 is RoHS non-compliant. Compliance status is critical for applications subject to environmental regulations or customer requirements mandating RoHS certification.

Q: Can the 2N7002LT1G replace the 2N7002T-7 in existing designs?

A: The 2N7002LT1G is electrically compatible but uses SOT-23-3 packaging instead of SOT-523. PCB layout modification is required. Electrical parameters remain within acceptable tolerance for most applications, with improved power dissipation (225mW versus 150mW).

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