VN10LPSTOA N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The VN10LPSTOA is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 60V drain-to-source voltage with 270mA continuous drain current and 625mW power dissipation. The device is packaged in an E-Line (TO-92 compatible) through-hole configuration with formed leads.

The VN10LPSTOA is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production, repairs, and legacy system support. Substitute devices must maintain electrical compatibility across voltage ratings, current handling, and thermal characteristics while accommodating packaging variations.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	60	V
Current - Continuous Drain (Id) @ 25°C	270	mA
Rds On (Max) @ Id, Vgs	5	Ohm @ 500mA, 10V
Vgs(th) (Max) @ Id	2.5	V @ 1mA
Vgs (Max)	±20	V
Power Dissipation (Max)	625	mW
Operating Temperature	-55 to 150	°C (TJ)
Mounting Type	Through Hole	—
Package / Case	E-Line-3, Formed Leads	—

Substitute Part Grouping Explanation

Substitution of the VN10LPSTOA is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

Drain to Source Voltage (Vdss): Must equal or exceed 60V
Rds On (Max) @ Id, Vgs: Must not exceed 5 Ohm @ 500mA, 10V
Vgs(th) (Max) @ Id: Must not exceed 2.5V @ 1mA
Vgs (Max): Must accommodate ±20V
Operating Temperature Range: Must span -55°C to 150°C (TJ)

Mechanical Compatibility Criteria:

Mounting Type: Through Hole required
Package Configuration: E-Line (TO-92 compatible) or TO-92-3 equivalent

Substitute Parts Identified:

VN10LPSTZ (Diodes Incorporated) — Direct manufacturer equivalent with identical electrical specifications and E-Line packaging. Active product status with higher inventory availability.
2N7000TA, 2N7000-D74Z, 2N7000-D75Z, 2N7000-D26Z (onsemi) — Functionally compatible alternatives with reduced continuous drain current (200mA vs. 270mA) and lower power dissipation (400mW vs. 625mW). All maintain 60V Vdss rating and equivalent Rds On characteristics. Available in TO-92-3 packaging with active product status.

Parameter Comparison

Parameter	VN10LPSTOA	VN10LPSTZ	2N7000TA	2N7000-D74Z	2N7000-D75Z	2N7000-D26Z
Manufacturer	Diodes Inc.	Diodes Inc.	onsemi	onsemi	onsemi	onsemi
Product Status	Obsolete	Active	Active	Active	Active	Active
Vdss (V)	60	60	60	60	60	60
Id @ 25°C (mA)	270	270	200	200	200	200
Rds On (Max) @ 500mA, 10V (Ohm)	5	5	5	5	5	5
Vgs(th) (Max) @ 1mA (V)	2.5	2.5	3	3	3	3
Vgs (Max) (V)	±20	±20	±20	±20	±20	±20
Power Dissipation (Max) (mW)	625	625	400	400	400	400
Operating Temperature (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package	E-Line-3	E-Line-3	TO-92-3	TO-92-3	TO-92-3	TO-92-3
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Primary Substitute: VN10LPSTZ

The VN10LPSTZ is the direct equivalent to the VN10LPSTOA. Both devices are manufactured by Diodes Incorporated and share identical electrical specifications including 60V Vdss, 270mA continuous drain current, 5 Ohm Rds On, and 625mW power dissipation. The VN10LPSTZ maintains the same E-Line (TO-92 compatible) package configuration and is classified as an active product with significantly higher inventory availability (9,300 units in stock versus 923 units for the obsolete VN10LPSTOA). Both devices are ROHS3 compliant and REACH unaffected. Selection of VN10LPSTZ eliminates obsolescence risk while maintaining full electrical and mechanical compatibility.

Secondary Substitutes: 2N7000TA, 2N7000-D74Z, 2N7000-D75Z, 2N7000-D26Z

The onsemi 2N7000 series devices (2N7000TA, 2N7000-D74Z, 2N7000-D75Z, 2N7000-D26Z) are functionally compatible alternatives. All four variants maintain the 60V Vdss rating and 5 Ohm Rds On specification. These devices are classified as active products with robust inventory levels (158,820 units for 2N7000TA, 3,200 units for 2N7000-D74Z, 8,771 units for 2N7000-D75Z, and 14,893 units for 2N7000-D26Z). All are ROHS3 compliant and REACH unaffected.

The 2N7000 series devices operate at reduced continuous drain current (200mA versus 270mA) and lower power dissipation (400mW versus 625mW). These reductions do not preclude substitution in applications where the original 270mA rating provides design margin. The devices are available in TO-92-3 packaging, which is mechanically compatible with the E-Line configuration through standard through-hole PCB mounting.

Vgs(th) specification differs slightly (3V maximum for 2N7000 series versus 2.5V for VN10LPSTOA), representing a minor threshold voltage shift that does not affect gate drive compatibility at standard 5V and 10V drive levels.

Frequently Asked Questions (FAQ)

Q: Can VN10LPSTZ directly replace VN10LPSTOA without circuit modification?

A: Yes. The VN10LPSTZ is electrically and mechanically identical to the VN10LPSTOA. Both devices share the same 60V Vdss, 270mA continuous drain current, 5 Ohm Rds On, and E-Line (TO-92 compatible) package. No circuit modification is required.

Q: What is the difference between E-Line and TO-92-3 packaging?

A: E-Line (TO-92 compatible) and TO-92-3 are mechanically equivalent three-lead through-hole packages with formed leads. Both accommodate standard 0.045-inch lead diameter and 0.100-inch lead spacing on PCBs. Devices in either package configuration are interchangeable at the board level.

Q: Can 2N7000 series devices replace VN10LPSTOA in all applications?

A: The 2N7000 series devices are functionally compatible for applications where continuous drain current does not exceed 200mA and power dissipation does not exceed 400mW. Applications requiring the full 270mA rating or 625mW dissipation capability must use VN10LPSTZ or verify that actual operating conditions remain within 2N7000 specifications. The 60V Vdss rating and Rds On characteristics are equivalent across all devices.

Q: What is the significance of the Vgs(th) difference between VN10LPSTOA (2.5V max) and 2N7000 series (3V max)?

A: The threshold voltage specification defines the gate-source voltage at which the device begins to conduct at a specified drain current (1mA in this case). The 0.5V difference between 2.5V and 3V does not affect gate drive compatibility at standard 5V or 10V drive levels. Both devices will fully enhance at these drive voltages.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. VN10LPSTZ and all 2N7000 series variants (2N7000TA, 2N7000-D74Z, 2N7000-D75Z, 2N7000-D26Z) are ROHS3 compliant and REACH unaffected, matching the compliance status of the original VN10LPSTOA.

Q: Which substitute offers the best long-term availability?

A: The 2N7000TA offers the highest inventory level (158,820 units in stock) and is a widely distributed industry-standard device. VN10LPSTZ provides direct electrical equivalence with 9,300 units available. Both are active products with established supply chains.

Q: Can I use 2N7000-D26Z, 2N7000-D74Z, or 2N7000-D75Z interchangeably?

A: Yes. All three variants (2N7000-D26Z, 2N7000-D74Z, 2N7000-D75Z) share identical electrical specifications and are available in TO-92-3 packaging. The designations reflect different manufacturing date codes or tape reel configurations. Selection among these three is based on inventory availability and packaging preference (Cut Tape).

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