DMN3110LCP3-7 Equivalent & Substitute Parts

Part Overview

The DMN3110LCP3-7 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 30V drain-to-source voltage with 3.2A continuous drain current at 25°C. This device is packaged in a 3-XFDFN surface mount configuration and is designed for low-power switching applications requiring compact form factors.

The DMN3110LCP3-7 is classified as obsolete. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this component.

Substiute Parts

DMN3110LCP3-7

Diodes IncorporatedIn Stock: 83204DMN3110LCP3-7 Datasheet

Current PartRFQ

DMN3060LCA3-7

Diodes IncorporatedIn Stock: 103149DMN3060LCA3-7 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete DMN3110LCP3-7 is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

• Drain-to-source voltage rating (Vdss) must equal or exceed 30V
• Continuous drain current (Id) must meet or exceed 3.2A at 25°C
• Gate threshold voltage (Vgs(th)) must remain within compatible switching thresholds
• On-state resistance (Rds On) must not exceed specified maximum values to prevent thermal runaway
• Operating temperature range must encompass -55°C to 150°C

Mechanical Compatibility Criteria:

• Package type must be 3-XFDFN surface mount configuration
• Mounting type must be surface mount
• Pin configuration must be compatible with existing PCB layouts

The DMN3060LCA3-7 meets all substitution criteria. This part maintains identical Vdss (30V), exceeds the minimum Id requirement (3.9A vs. 3.2A), and provides improved Rds On performance (60mOhm vs. 69mOhm). The part is currently in active production status, ensuring supply chain availability.

Parameter Comparison

Engineering Selection Recommendations

The DMN3060LCA3-7 is the qualified substitute for the obsolete DMN3110LCP3-7 based on the following engineering criteria:

Product Status and Supply Chain: The DMN3110LCP3-7 is classified as obsolete, creating supply chain risk for ongoing production. The DMN3060LCA3-7 is in active production status with 103,100 pieces currently in stock, ensuring component availability for immediate and future procurement.

Electrical Performance: The DMN3060LCA3-7 provides superior electrical characteristics within the same voltage class. The continuous drain current rating of 3.9A exceeds the 3.2A requirement of the original part, providing design margin. The on-state resistance of 60mOhm is lower than the original 69mOhm specification, resulting in reduced power dissipation and improved thermal performance.

Regulatory Compliance: Both parts maintain identical compliance certifications: ROHS3 Compliant and REACH Unaffected status. No additional regulatory review is required for substitution.

Package and Mechanical Compatibility: Both parts utilize the 3-XFDFN surface mount package with identical pin configurations, enabling direct PCB layout compatibility without redesign.

Thermal Considerations: The DMN3060LCA3-7 exhibits lower maximum power dissipation (0.79W vs. 1.38W), indicating improved thermal efficiency. This characteristic is beneficial for applications with thermal constraints or high-frequency switching operations.

Frequently Asked Questions (FAQ)

Q: Can the DMN3060LCA3-7 be used as a direct replacement for the DMN3110LCP3-7 without PCB modifications?

A: Yes. Both parts share identical package types (3-XFDFN) and surface mount configurations. Pin-to-pin compatibility is maintained, allowing direct substitution without PCB layout changes.

Q: What are the key electrical differences between these parts?

A: The DMN3060LCA3-7 provides higher continuous drain current (3.9A vs. 3.2A) and lower on-state resistance (60mOhm vs. 69mOhm). Gate threshold voltage and operating temperature ranges are identical. These differences result in improved performance characteristics for the substitute part.

Q: Why is the DMN3110LCP3-7 classified as obsolete?

A: The DMN3110LCP3-7 has reached end-of-life status in the manufacturer's product portfolio. The DMN3060LCA3-7 represents the active production alternative within the same device family.

Q: Are there any thermal design considerations when substituting to the DMN3060LCA3-7?

A: The DMN3060LCA3-7 exhibits lower maximum power dissipation (0.79W vs. 1.38W) and reduced on-state resistance. These characteristics indicate improved thermal performance, which may allow for relaxed thermal management requirements in existing designs.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both the DMN3110LCP3-7 and DMN3060LCA3-7 are ROHS3 Compliant and REACH Unaffected, maintaining identical regulatory compliance status.

Q: What is the gate charge difference, and does it affect circuit design?

A: The DMN3060LCA3-7 has a slightly higher gate charge (1.677 nC vs. 1.52 nC). This minor difference does not require circuit redesign for standard gate driver applications but should be considered in high-frequency switching designs where gate charge directly impacts switching losses.

Q: Is the DMN3060LCA3-7 available in the same packaging options?

A: The DMN3060LCA3-7 is available in Cut Tape (CT) and Digi-Reel® packaging formats, providing flexibility for both prototype and production volume requirements.