DMN2114SN-7 Equivalent & Substitute Parts

Part Overview

The DMN2114SN-7 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 20V drain-to-source voltage with 1.2A continuous drain current at 25°C. The device is housed in a surface mount SC-59-3 (SOT-23-3) package and dissipates a maximum of 500mW. This part is classified as obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain-to-Source Voltage (Vdss)	20	V
Continuous Drain Current (Id) @ 25°C	1.2	A
On-Resistance (Rds On) @ 500mA, 4.5V	100	mOhm
Gate-Source Threshold Voltage (Vgs(th)) @ 1mA	1.4	V
Maximum Gate-Source Voltage (Vgs)	±12	V
Input Capacitance (Ciss) @ 10V	180	pF
Power Dissipation (Max)	500	mW
Operating Temperature Range	−55 to 150	°C
Package Type	SC-59-3 / SOT-23-3 / TO-236-3	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the DMN2114SN-7 is determined by strict electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Requirements:

Drain-to-Source Voltage (Vdss) must equal or exceed 20V
Continuous Drain Current (Id) must meet or exceed 1.2A at 25°C
On-Resistance (Rds On) characteristics must support the application's power dissipation budget
Gate-Source Voltage (Vgs) rating must accommodate the circuit's drive voltage
Operating temperature range must span −55°C to 150°C

Mechanical Compatibility Requirements:

Package type must be SC-59-3, SOT-23-3, or TO-236-3 (equivalent surface mount packages)
Mounting type must be surface mount
Pin configuration must be compatible with the three-terminal MOSFET topology

Compliance Requirements:

RoHS3 compliance mandatory
Moisture Sensitivity Level 1 (Unlimited) preferred for handling consistency

Substitute parts are grouped into two categories: Direct Equivalents (matching the 1.2A current rating) and Higher-Current Alternatives (exceeding 1.2A, suitable for applications with increased current headroom).

Parameter Comparison

Parameter	DMN2114SN-7	IRLML2402TRPBF	MVSF2N02ELT1G	PMV65UNER	RUR020N02TL	XP151A12A2MR	XP151A12A2MR-G	XP151A13A0MR-G
Manufacturer	Diodes Inc.	Infineon	onsemi	Nexperia	Rohm	Torex	Torex	Torex
Vdss (V)	20	20	20	20	20	20	20	20
Id @ 25°C (A)	1.2	1.2	2.8	2.8	2.0	1.0	1.0	1.0
Rds On @ 4.5V (mOhm)	100 @ 500mA	250 @ 930mA	85 @ 3.6A	73 @ 2.8A	105 @ 2A	100 @ 500mA	100 @ 500mA	100 @ 500mA
Vgs(th) (V)	1.4 @ 1mA	0.7 @ 250µA	1.0 @ 250µA	1.0 @ 250µA	1.0 @ 1mA	—	1.4 @ 1mA	1.0 @ 1mA
Vgs (Max) (V)	±12	±12	±8	±8	±10	±12	±12	±8
Ciss @ 10V (pF)	180	110 @ 15V	150 @ 5V	291 @ 10V	180 @ 10V	180 @ 10V	180 @ 10V	220 @ 10V
Power Dissipation (mW)	500	540	1250	490	540	500	500	500
Operating Temp (°C)	−55 to 150	−55 to 150	−55 to 150	−55 to 150	to 150	to 150	to 150	to 150
Package	SC-59-3	SOT-23-3	SOT-23-3	TO-236AB	TSMT3	SOT-23	SOT-23	SOT-23
Product Status	Obsolete	Not For New Designs	Not For New Designs	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Direct Equivalents (1.2A Rating):

The IRLML2402TRPBF from Infineon Technologies provides electrical equivalence to the DMN2114SN-7 with matching 20V/1.2A specifications. However, this part carries a "Not For New Designs" status, limiting its suitability for new development. The XP151A12A2MR and XP151A12A2MR-G from Torex Semiconductor Ltd are active production parts with identical current ratings and are preferred for new designs requiring direct replacement.

Higher-Current Alternatives (>1.2A Rating):

The MVSF2N02ELT1G (onsemi, 2.8A), PMV65UNER (Nexperia, 2.8A), and RUR020N02TL (Rohm, 2.0A) exceed the 1.2A requirement and provide increased current headroom. The PMV65UNER is the only active production part in this group and offers superior on-resistance characteristics (73mOhm @ 2.8A). The RUR020N02TL is also active and provides a 2.0A intermediate option.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited). Active production status is confirmed for PMV65UNER, RUR020N02TL, XP151A12A2MR, XP151A12A2MR-G, and XP151A13A0MR-G, ensuring long-term procurement viability.

Package Compatibility:

All substitute parts are housed in equivalent surface mount packages (SOT-23-3, TO-236-3, TO-236AB, or TSMT3) with identical three-terminal MOSFET pin configurations, enabling direct PCB layout compatibility.

Frequently Asked Questions (FAQ)

Q: Can the XP151A12A2MR directly replace the DMN2114SN-7?

A: The XP151A12A2MR meets the electrical specifications of the DMN2114SN-7 with matching 20V/1.2A ratings, identical on-resistance (100mOhm @ 500mA, 4.5V), and compatible package geometry (SOT-23). Both parts are RoHS3 compliant with MSL 1. Direct substitution is supported.

Q: What is the difference between XP151A12A2MR and XP151A12A2MR-G?

A: Both parts are manufactured by Torex Semiconductor Ltd with identical electrical specifications (20V, 1.2A, 100mOhm Rds On). The primary difference is packaging format: XP151A12A2MR is supplied in Tape & Reel (TR), while XP151A12A2MR-G is supplied in Cut Tape (CT) & Digi-Reel®. Electrical performance and pin configuration are equivalent.

Q: Why is the PMV65UNER rated for 2.8A when the DMN2114SN-7 is 1.2A?

A: The PMV65UNER is a higher-current variant within the same 20V voltage class. The increased current rating (2.8A) provides design margin for applications requiring higher current capacity. The part is electrically compatible with the DMN2114SN-7 and can be used as a direct replacement with improved performance headroom.

Q: Are all substitute parts available in the same package as the DMN2114SN-7?

A: All substitute parts are housed in equivalent surface mount packages: SC-59-3, SOT-23-3, TO-236-3, TO-236AB, or TSMT3. These packages share identical three-terminal MOSFET pin configurations and are mechanically compatible with PCB layouts designed for the DMN2114SN-7.

Q: Which substitute part is recommended for new product designs?

A: The PMV65UNER (Nexperia) is recommended for new designs due to its active production status, superior on-resistance characteristics (73mOhm @ 2.8A), and established long-term availability. The XP151A12A2MR-G (Torex) is an alternative active production option with direct 1.2A equivalence.

Q: What is the significance of "Not For New Designs" status?

A: Parts marked "Not For New Designs" are in mature or declining production phases and may face future discontinuation. While electrically functional, they are not recommended for new product development. Active production parts (PMV65UNER, RUR020N02TL, XP151A12A2MR, XP151A12A2MR-G, XP151A13A0MR-G) are preferred for designs with extended lifecycle requirements.

Q: Can the RUR020N02TL be used as a substitute despite its 2.0A rating?

A: The RUR020N02TL is electrically compatible with the DMN2114SN-7 across all critical parameters (20V Vdss, ±10V Vgs, 105mOhm Rds On @ 2A, 4.5V). The 2.0A rating exceeds the 1.2A requirement, providing additional current margin. This part is active production and suitable for substitution.

Q: Are there thermal considerations when substituting with higher-current parts?

A: Thermal performance is determined by power dissipation and package thermal characteristics. The PMV65UNER dissipates 490mW (comparable to the DMN2114SN-7 at 500mW) despite higher current rating, due to superior on-resistance. Thermal design should be validated based on actual circuit operating conditions and PCB thermal management.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts are ROHS3 compliant and REACH unaffected. Moisture Sensitivity Level is 1 (Unlimited) for all parts, indicating no special moisture control requirements during handling and storage. ECCN classification is EAR99 for all parts.

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