2N7002KX-7 Equivalent & Substitute Parts

Part Overview

The 2N7002KX-7 is an N-channel MOSFET manufactured by Diodes Incorporated, rated for 60V drain-to-source voltage in a SOT23-3 surface mount package. This device is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. Substitute parts must maintain electrical compatibility across voltage ratings, channel type, and thermal characteristics while accommodating available packaging options.

Substiute Parts

2N7002KX-7

Diodes IncorporatedIn Stock: 1736162N7002KX-7 Datasheet

Current PartRFQ

SQ3426EV-T1_GE3

Vishay SiliconixIn Stock: 3246SQ3426EV-T1_GE3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2N7002KX-7 is based on the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

• Drain-to-Source Voltage (Vdss): 60V minimum rating
• Channel Type: N-Channel MOSFET
• Technology: Metal Oxide Semiconductor Field Effect Transistor (MOSFET)

Mechanical Compatibility Criteria:

• Surface Mount technology
• Package compatibility or functional equivalence in pin configuration

Compliance Criteria:

• RoHS3 compliance
• MSL rating of 1 (Unlimited)
• REACH unaffected status

The substitute part SQ3426EV-T1_GE3 meets all electrical requirements with a 60V Vdss rating and N-channel configuration. While the package differs from SOT23-3 to SOT-23-6 (6-TSOP), both are surface mount technologies suitable for equivalent circuit implementations.

Parameter Comparison

Engineering Selection Recommendations

The SQ3426EV-T1_GE3 serves as a functional substitute for the obsolete 2N7002KX-7 based on the following engineering criteria:

Voltage Rating Equivalence: Both devices maintain a 60V Vdss rating, ensuring compatibility in circuits designed for this voltage class.

Channel Configuration: Both are N-channel MOSFETs, maintaining identical switching polarity and gate drive requirements.

Compliance Alignment: Both parts are ROHS3 compliant, MSL 1 (Unlimited), and REACH unaffected, satisfying regulatory requirements for equivalent applications.

Product Status Consideration: Both parts are classified as obsolete. Selection of the SQ3426EV-T1_GE3 should account for long-term availability planning and inventory management strategies.

Package Transition: The transition from SOT23-3 to SOT-23-6 (6-TSOP) requires PCB layout modification. The 6-TSOP package provides additional pin configuration options and may offer improved thermal performance characteristics compared to the 3-pin SOT23 package.

Automotive Qualification: The SQ3426EV-T1_GE3 carries AEC-Q101 automotive qualification, providing enhanced reliability documentation for applications requiring automotive-grade components.

Frequently Asked Questions (FAQ)

Q: Can the SQ3426EV-T1_GE3 directly replace the 2N7002KX-7 without circuit modification?

A: Electrical substitution is valid based on matching 60V Vdss and N-channel configuration. However, package differences (SOT23-3 versus SOT-23-6) require PCB layout redesign. Pin-to-pin compatibility must be verified against specific circuit schematic requirements.

Q: What are the key electrical parameters that determine substitution validity?

A: The primary parameters are drain-to-source voltage rating (60V), channel type (N-channel), and technology platform (MOSFET). Both parts meet these criteria. Additional parameters such as continuous drain current, on-resistance, and gate threshold voltage should be evaluated against specific application requirements.

Q: Are there compliance or regulatory differences between these parts?

A: Both parts maintain identical RoHS3 compliance, MSL 1 (Unlimited) rating, and REACH unaffected status. The SQ3426EV-T1_GE3 includes AEC-Q101 automotive qualification, which the 2N7002KX-7 specification does not document.

Q: What packaging considerations apply to this substitution?

A: The 2N7002KX-7 uses a 3-pin SOT23 package, while the SQ3426EV-T1_GE3 uses a 6-pin SOT-23-6 (TSOP) package. Both are surface mount technologies. PCB footprint, trace routing, and thermal management layouts require redesign to accommodate the different pin configuration and package dimensions.

Q: Why are both parts classified as obsolete?

A: Obsolete status indicates these parts are no longer in active production. Substitution selection should include evaluation of long-term availability, alternative active-production parts, and inventory procurement timelines for sustained design support.