DMN2004WKQ-7 Equivalent & Substitute Parts

Part Overview

The DMN2004WKQ-7 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 20V drain-to-source voltage with 540mA continuous drain current at 25°C. This device is housed in a SOT-323 (SC-70) surface mount package and is qualified to AEC-Q101 automotive standards. 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 can be maintained across critical parameters including voltage rating, current capacity, on-resistance characteristics, and package form factor.

Substiute Parts

DMN2004WKQ-7

Diodes IncorporatedIn Stock: 37301DMN2004WKQ-7 Datasheet

Current PartRFQ

PJC7410_R1_00001

Panjit International Inc.In Stock: 3570PJC7410_R1_00001 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the DMN2004WKQ-7 is determined by the following critical parameters:

Voltage Rating Compatibility: The substitute part must maintain a Drain to Source Voltage (Vdss) rating of 20V or greater to ensure safe operation within the same circuit topology.

Current Capacity: The continuous drain current rating must support the application's maximum current demand. The DMN2004WKQ-7 specifies 540mA at 25°C; substitute parts with equal or greater current capacity are acceptable.

On-Resistance (Rds On): The on-resistance directly affects power dissipation and thermal performance. Substitute parts with equal or lower Rds On values maintain or improve circuit efficiency.

Package Form Factor: Both the main part and substitute must use the SOT-323 (SC-70) surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts.

Temperature Range: Operating temperature specifications must encompass the application's thermal environment. The -55°C to 150°C range is the baseline requirement.

Compliance Standards: RoHS3 compliance and automotive qualification (AEC-Q101) are mandatory for applications requiring these certifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Part (DMN2004WKQ-7): This device is the specified component with active production status, AEC-Q101 automotive qualification, and full RoHS3 compliance. Use this part for new designs and applications requiring the original specification.

Substitute Part (PJC7410_R1_00001): This Panjit device is electrically compatible for applications where the continuous drain current requirement does not exceed 500mA. The substitute offers superior on-resistance performance (400mOhm versus 550mOhm), lower input capacitance, and higher maximum gate voltage rating. Both parts share identical voltage ratings, temperature ranges, package form factors, and compliance certifications. The substitute is suitable for direct replacement in existing designs provided the application current does not exceed 500mA at 25°C.

Compliance Verification: Both parts maintain ROHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity rating (MSL 1). Both are surface mount devices in SOT-323 packaging with identical thermal operating ranges.

Frequently Asked Questions (FAQ)

Q: Can the PJC7410_R1_00001 be used as a direct replacement for the DMN2004WKQ-7?

A: Yes, provided the application's maximum continuous drain current does not exceed 500mA at 25°C. Both devices share identical 20V voltage ratings, SOT-323 package form factors, and operating temperature ranges (-55°C to 150°C). The substitute offers improved on-resistance characteristics.

Q: What is the primary difference in current capacity between these parts?

A: The DMN2004WKQ-7 is rated for 540mA continuous drain current, while the PJC7410_R1_00001 is rated for 500mA. Applications requiring current above 500mA must use the original DMN2004WKQ-7.

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

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry unlimited moisture sensitivity rating (MSL 1). The DMN2004WKQ-7 carries AEC-Q101 automotive qualification; verify whether the substitute meets your specific automotive qualification requirements.

Q: How do the on-resistance values compare?

A: The PJC7410_R1_00001 exhibits lower on-resistance (400mOhm @ 500mA, 4.5V) compared to the DMN2004WKQ-7 (550mOhm @ 540mA, 4.5V). Lower on-resistance reduces power dissipation and heat generation in the circuit.

Q: Are the package dimensions identical?

A: Yes. Both parts use the SOT-323 (SC-70) surface mount package, ensuring mechanical compatibility with existing PCB layouts and footprints.

Q: What is the gate threshold voltage difference?

A: The DMN2004WKQ-7 has a gate threshold voltage of 1.0V @ 250µA, while the PJC7410_R1_00001 is 0.9V @ 250µA. The lower threshold voltage of the substitute may result in slightly faster switching response.

Q: Can I use the substitute in automotive applications?

A: Verify that your specific automotive application accepts the Panjit device. The DMN2004WKQ-7 carries explicit AEC-Q101 qualification. Confirm substitute acceptance with your design authority or quality requirements.

Q: What is the maximum gate voltage for each part?

A: The DMN2004WKQ-7 supports ±8V maximum gate voltage, while the PJC7410_R1_00001 supports ±10V. The substitute offers greater gate voltage margin.