PMF250XNEAX Equivalent & Substitute Parts

Part Overview

The PMF250XNEAX is an N-Channel MOSFET manufactured by Nexperia USA Inc., rated for 30V drain-to-source voltage with 900mA continuous drain current at 25°C. This device is housed in a surface mount SC-70 (SOT-323) package and is designed for low-power switching applications requiring compact form factors. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1).

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter set, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

PMF250XNEAX
Nexperia USA Inc.In Stock: 1004PMF250XNEAX Datasheet
PMF250XNEAX
Current Part
PMF250XNEX
Nexperia USA Inc.In Stock: 116202PMF250XNEX Datasheet
PMF250XNEX
Similar

Key Parameters

Parameter Value Unit
Drain to Source Voltage (Vdss) 30 V
Continuous Drain Current (Id) @ 25°C 900 mA
Rds On (Max) @ 900mA, 4.5V 254 mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA 1.25 V
Power Dissipation (Max) 342 mW
Operating Temperature Range -55 to 150 °C (TJ)
Package Type SC-70, SOT-323 Surface Mount
Gate Charge (Qg) @ 4.5V 1.65 nC
Input Capacitance (Ciss) @ 15V 81 pF

Substitute Part Grouping Explanation

Substitution eligibility for the PMF250XNEAX is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

  • Drain-to-source voltage rating (Vdss) must equal or exceed 30V
  • Gate threshold voltage (Vgs(th)) must match specified limits
  • On-state resistance (Rds On) characteristics must be identical at rated conditions
  • Gate charge (Qg) and input capacitance (Ciss) must remain within specified tolerances
  • Maximum gate voltage (Vgs) rating must support ±12V operation
  • Power dissipation capability must meet or exceed 342mW

Mechanical Equivalence Criteria:

  • Package type must be SC-70 or SOT-323 (surface mount)
  • Mounting configuration must be compatible with existing PCB layouts
  • Lead pitch and footprint must match original design specifications

Compliance Equivalence Criteria:

  • RoHS3 compliance status must be maintained
  • Moisture sensitivity level (MSL 1) must be preserved
  • REACH unaffected status must be confirmed

The PMF250XNEX qualifies as a direct substitute based on identical electrical specifications, matching package configuration, and equivalent compliance certifications.

Parameter Comparison

Parameter PMF250XNEAX PMF250XNEX Match Status
Manufacturer Nexperia USA Inc. Nexperia USA Inc. Identical
FET Type N-Channel N-Channel Identical
Technology MOSFET (Metal Oxide) MOSFET (Metal Oxide) Identical
Drain to Source Voltage (Vdss) 30 V 30 V Identical
Continuous Drain Current (Id) @ 25°C 900 mA 1 A Substitute Rated Higher
Rds On (Max) @ 900mA, 4.5V 254 mOhm 254 mOhm Identical
Vgs(th) (Max) @ 250µA 1.25 V 1.25 V Identical
Gate Charge (Qg) @ 4.5V 1.65 nC 1.65 nC Identical
Vgs (Max) ±12 V ±12 V Identical
Input Capacitance (Ciss) @ 15V 81 pF 81 pF Identical
Power Dissipation (Max) 342 mW 342 mW Identical
Operating Temperature Range -55 to 150°C (TJ) -55 to 150°C (TJ) Identical
Package / Case SC-70, SOT-323 SC-70, SOT-323 Identical
Mounting Type Surface Mount Surface Mount Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) Identical
REACH Status REACH Unaffected REACH Unaffected Identical
Product Status Active Active Identical

Engineering Selection Recommendations

PMF250XNEX as Direct Substitute:

The PMF250XNEX is electrically and mechanically equivalent to the PMF250XNEAX. Both devices share identical electrical specifications across all critical parameters including Vdss, Rds On, gate charge, and input capacitance. The PMF250XNEX is rated for 1A continuous drain current, which exceeds the 900mA specification of the PMF250XNEAX, providing additional current margin without compromising any other electrical characteristics.

Both parts maintain identical compliance certifications: RoHS3 compliance, MSL 1 rating, and REACH unaffected status. Both are manufactured by Nexperia USA Inc. and packaged in the SC-70 (SOT-323) surface mount configuration, ensuring direct PCB footprint compatibility.

The primary distinction between these parts is packaging format: PMF250XNEAX is supplied in standard packaging, while PMF250XNEX is supplied in Tape & Reel (TR) format. This difference affects supply chain logistics and handling but does not impact electrical performance or mechanical compatibility.

Selection between these parts should be based on packaging requirements and inventory availability rather than electrical or mechanical considerations.

Frequently Asked Questions (FAQ)

Q: Can PMF250XNEX replace PMF250XNEAX in existing circuit designs?

A: Yes. The PMF250XNEX is a direct electrical and mechanical substitute. All critical electrical parameters are identical, including drain-to-source voltage, on-state resistance, gate threshold voltage, and power dissipation. The package type (SC-70/SOT-323) and mounting configuration are identical, ensuring direct PCB compatibility without design modifications.

Q: What is the difference between PMF250XNEAX and PMF250XNEX?

A: The primary difference is packaging format. PMF250XNEAX is supplied in standard packaging, while PMF250XNEX is supplied in Tape & Reel (TR) format. Electrically and mechanically, both devices are identical. The PMF250XNEX is additionally rated for 1A continuous drain current compared to 900mA for the PMF250XNEAX, providing higher current capability.

Q: Are both parts RoHS3 compliant?

A: Yes. Both PMF250XNEAX and PMF250XNEX are RoHS3 compliant with MSL 1 (unlimited moisture sensitivity) rating and REACH unaffected status.

Q: What is the significance of the higher 1A rating on PMF250XNEX?

A: The PMF250XNEX is rated for 1A continuous drain current at 25°C, compared to 900mA for the PMF250XNEAX. This higher rating provides additional current margin and thermal headroom in applications operating near the 900mA threshold. However, at the 900mA operating point, both devices exhibit identical on-state resistance and thermal characteristics.

Q: Can these parts be used interchangeably in high-frequency switching applications?

A: Yes. Both devices have identical gate charge (1.65 nC @ 4.5V) and input capacitance (81 pF @ 15V) specifications, which determine switching speed and frequency response. These parameters are critical for high-frequency operation and are matched between both parts.

Q: What is the operating temperature range for both devices?

A: Both PMF250XNEAX and PMF250XNEX operate across the temperature range of -55°C to 150°C (junction temperature). This range is identical for both parts and supports industrial and automotive applications.

Q: Are there any lead-time or availability differences between these parts?

A: Availability may differ based on packaging format and supplier inventory. PMF250XNEX in Tape & Reel format typically supports higher-volume production requirements, while PMF250XNEAX in standard packaging may be preferred for lower-volume or prototype applications. Consult current inventory status with your supplier for specific lead-time information.

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