DMS3014SSS-13 Equivalent & Substitute Parts

Part Overview

The DMS3014SSS-13 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 30V drain-to-source voltage with 10.4A continuous drain current at 25°C. This device features a Schottky diode body and is housed in an 8-SOIC surface mount package. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and production continuity. Substitute parts must maintain electrical compatibility across voltage ratings, current handling, thermal characteristics, and mechanical packaging to ensure direct replacement capability.

Substiute Parts

DMS3014SSS-13

Diodes IncorporatedIn Stock: 10479DMS3014SSS-13 Datasheet

Current PartRFQ

DMS3014SSS-13

Diodes IncorporatedIn Stock: 10479DMS3014SSS-13 Datasheet

Parametric EquivalentRFQ

AO4468

Alpha & Omega Semiconductor Inc.In Stock: 60329AO4468 Datasheet

MFR RecommendedRFQ

FDS6690A

onsemiIn Stock: 40000FDS6690A Datasheet

MFR RecommendedRFQ

FDS8878

Fairchild SemiconductorIn Stock: 32909FDS8878 Datasheet

MFR RecommendedRFQ

SQ4410EY-T1_GE3

Vishay SiliconixIn Stock: 10585SQ4410EY-T1_GE3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DMS3014SSS-13 are selected based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Electrical Compatibility Requirements:

• Drain-to-source voltage (Vdss) must equal or exceed 30V
• Continuous drain current (Id) must meet or exceed 10.4A at 25°C
• On-state resistance (Rds On) must not significantly exceed 13mOhm at rated conditions
• Gate threshold voltage (Vgs(th)) must be compatible with 2.2V specification
• Operating temperature range must encompass -55°C to 150°C

Mechanical Compatibility Requirements:

• Surface mount technology
• 8-SOIC package with 0.154" (3.90mm) width
• Pin configuration and footprint compatibility

Regulatory & Environmental Requirements:

• RoHS3 compliance
• MSL rating of 1 (Unlimited)

All identified substitute parts maintain these core parameters within acceptable engineering tolerances for direct circuit replacement.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: FDS6690A (onsemi)

The FDS6690A is the preferred substitute for the DMS3014SSS-13. This device maintains full electrical compatibility with equivalent Vdss (30V) and exceeds the minimum Id requirement (11A vs. 10.4A). The FDS6690A features superior on-state resistance (12.5mOhm) and lower gate charge (16nC), resulting in improved switching efficiency. The part carries Active product status, ensuring long-term availability and design support. RoHS3 compliance and MSL 1 rating match the original specification. The 8-SOIC package provides direct mechanical compatibility.

Secondary Recommendation: SQ4410EY-T1_GE3 (Vishay Siliconix)

The SQ4410EY-T1_GE3 offers enhanced performance characteristics with 15A continuous drain current and 5W power dissipation capability. This device provides design margin for applications requiring higher current handling or thermal performance. The part maintains 30V Vdss rating and 8-SOIC packaging. Active product status and RoHS3 compliance ensure supply continuity. The extended operating temperature range (-55°C to 175°C) accommodates more demanding thermal environments.

Tertiary Recommendation: FDS8878 (Fairchild Semiconductor)

The FDS8878 provides electrical equivalence with 10.2A continuous drain current and 14mOhm on-state resistance. Active product status supports ongoing availability. The 8-SOIC package ensures mechanical compatibility. This device is suitable for applications where gate charge characteristics (26nC) and power dissipation (2.5W) are acceptable.

Not Recommended for New Designs: AO4468 (Alpha & Omega Semiconductor Inc.)

While the AO4468 meets electrical requirements, its "Not For New Designs" product status indicates limited future support and potential supply constraints. This part should be considered only when other alternatives are unavailable.

Frequently Asked Questions (FAQ)

Q: Can the FDS6690A directly replace the DMS3014SSS-13 without circuit modifications?

A: Yes. The FDS6690A maintains identical Vdss (30V), exceeds the minimum Id specification (11A vs. 10.4A), and is housed in the same 8-SOIC package. Gate threshold voltage (3V vs. 2.2V) and gate charge (16nC vs. 45.7nC) differences are within acceptable substitution tolerances for standard switching applications. Pin configuration and footprint are identical.

Q: What is the significance of the "Active" product status for substitute parts?

A: Active product status indicates the manufacturer actively produces and supports the device, ensuring long-term availability, consistent quality, and access to technical documentation. Obsolete parts like the DMS3014SSS-13 have discontinued production, creating supply risk. Substitutes with Active status provide design security for new production runs and future revisions.

Q: Are there thermal performance differences between the DMS3014SSS-13 and its substitutes?

A: Yes. The DMS3014SSS-13 is rated for 1.55W power dissipation at Ta. Substitutes offer higher thermal ratings: AO4468 (3.1W), FDS6690A (2.5W), FDS8878 (2.5W), and SQ4410EY-T1_GE3 (5W at Tc). These higher ratings provide thermal margin but do not require circuit changes. Actual power dissipation depends on application-specific current and switching frequency.

Q: Does the gate charge difference affect circuit performance?

A: Gate charge differences (DMS3014SSS-13: 45.7nC vs. FDS6690A: 16nC) impact gate drive requirements and switching speed. Lower gate charge in substitutes results in faster switching transitions and reduced gate drive power consumption. Existing gate drive circuits designed for the original part will function with substitutes; however, optimized designs may reduce power loss by leveraging lower gate charge characteristics.

Q: Is the 8-SOIC package identical across all substitute parts?

A: Yes. All substitute parts use the 8-SOIC package with 0.154" (3.90mm) width, ensuring identical PCB footprint and mechanical compatibility. Pin assignments for N-Channel MOSFETs in this package are standardized (Gate, Drain, Source configuration), allowing direct socket replacement.

Q: What is the impact of Vgs(th) variation between parts?

A: The DMS3014SSS-13 specifies Vgs(th) of 2.2V at 250µA, while substitutes range from 2.5V to 3V. These variations are within normal MOSFET manufacturing tolerances and do not affect circuit functionality in standard switching applications. Gate drive voltages (typically 5V to 12V) remain well above threshold for all parts, ensuring reliable on-state operation.

Q: Are all substitute parts RoHS3 compliant?

A: FDS6690A, SQ4410EY-T1_GE3, and AO4468 are explicitly RoHS3 compliant. FDS8878 RoHS status is not specified in available documentation. For applications requiring RoHS3 certification, FDS6690A is the recommended choice.

Q: Can the SQ4410EY-T1_GE3 be used in applications with temperature requirements exceeding 150°C?

A: The SQ4410EY-T1_GE3 supports operating temperatures up to 175°C (TJ), compared to 150°C for the DMS3014SSS-13. This extended range accommodates high-temperature applications. However, circuit design must account for increased leakage current and reduced switching performance at elevated temperatures.