MJD2873J Equivalent & Substitute Parts

Part Overview

The MJD2873J is an NPN bipolar junction transistor manufactured by Nexperia USA Inc., designed for general-purpose switching and amplification applications. This surface mount device operates at a maximum collector current of 2 A and collector-emitter breakdown voltage of 50 V, with a maximum power dissipation of 1.6 W. The part is currently in active production status. Substitute parts are identified to provide design flexibility, inventory alternatives, and compliance options for specific application requirements.

Substiute Parts

MJD2873J

Nexperia USA Inc.In Stock: 1686MJD2873J Datasheet

Current PartRFQ

MJD2873-QJ

Nexperia USA Inc.In Stock: 10723MJD2873-QJ Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MJD2873J is determined by electrical and mechanical parameter equivalence. The primary substitute identified is the MJD2873-QJ, which maintains identical electrical specifications across all critical parameters: collector current rating, breakdown voltage, saturation voltage, current gain, power dissipation, transition frequency, and operating temperature range. Both parts utilize the same DPAK surface mount package and are RoHS3 compliant.

The substitution logic is based on the following key parameters:

• Transistor type (NPN)
• Maximum collector current (2 A)
• Collector-emitter breakdown voltage (50 V)
• Saturation voltage characteristics (300 mV @ 50mA, 1A)
• DC current gain minimum specification (120 @ 500mA, 2V)
• Power dissipation capability (1.6 W)
• Transition frequency (65 MHz)
• Maximum operating junction temperature (150°C)
• Package form factor (DPAK)
• Surface mount compatibility

Parameter Comparison

Engineering Selection Recommendations

Both the MJD2873J and MJD2873-QJ are active production parts from Nexperia USA Inc. with identical electrical and mechanical specifications. Selection between these parts is determined by application requirements and compliance certifications.

The MJD2873J is suitable for general-purpose applications requiring standard-grade NPN transistors with ROHS3 compliance. This part carries a Moisture Sensitivity Level (MSL) of 3, requiring storage and handling within 168-hour intervals from package opening.

The MJD2873-QJ is qualified to the AEC-Q100 automotive standard and carries an MSL rating of 1 (unlimited moisture sensitivity), providing enhanced reliability for automotive and high-reliability applications. The automotive qualification and improved moisture handling characteristics make this part suitable for demanding environments where extended shelf life and stringent quality assurance are required.

Both parts maintain full electrical equivalence and are directly interchangeable at the circuit level when package-level requirements are satisfied. Selection should be based on application grade requirements and environmental storage conditions.

Frequently Asked Questions (FAQ)

Q: Are the MJD2873J and MJD2873-QJ electrically interchangeable?

A: Yes. Both parts are manufactured by Nexperia USA Inc. and share identical electrical specifications, including collector current rating (2 A), breakdown voltage (50 V), saturation voltage (300 mV), current gain (120 minimum), power dissipation (1.6 W), and transition frequency (65 MHz). They are electrically interchangeable in circuit designs.

Q: Can the MJD2873-QJ replace the MJD2873J in any application?

A: Yes, the MJD2873-QJ can replace the MJD2873J in any application. The MJD2873-QJ provides additional automotive qualification (AEC-Q100) and improved moisture sensitivity characteristics (MSL 1 versus MSL 3), making it suitable for all applications where the MJD2873J is used, with enhanced reliability margins.

Q: Can the MJD2873J replace the MJD2873-QJ?

A: The MJD2873J can replace the MJD2873-QJ in non-automotive applications where AEC-Q100 qualification is not required. However, for automotive and high-reliability applications requiring AEC-Q100 certification, the MJD2873J does not meet the specified qualification requirements.

Q: What is the difference in Moisture Sensitivity Level (MSL) between these parts?

A: The MJD2873J carries an MSL rating of 3 (168 hours), requiring the component to be used within 168 hours of package opening under controlled humidity conditions. The MJD2873-QJ carries an MSL rating of 1 (unlimited), allowing indefinite shelf life without moisture-related degradation concerns. This difference affects storage, handling, and production scheduling requirements.

Q: Are both parts available in the same DPAK package?

A: Yes. Both the MJD2873J and MJD2873-QJ are packaged in the TO-252-3 DPAK (2 Leads + Tab) surface mount package, designated as SC-63. They are mechanically and physically identical, allowing direct substitution on printed circuit boards without layout modifications.

Q: What is the significance of the AEC-Q100 qualification on the MJD2873-QJ?

A: AEC-Q100 is an automotive industry qualification standard that establishes reliability and quality requirements for semiconductor components used in automotive applications. The MJD2873-QJ meets these stringent requirements, making it suitable for automotive designs where component qualification is mandatory. The MJD2873J does not carry this qualification.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the MJD2873J and MJD2873-QJ are RoHS3 compliant, meeting the Restriction of Hazardous Substances directive requirements for lead-free and restricted substance content.