DMN2056U-13 Equivalent & Substitute Parts

Part Overview

The DMN2056U-13 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 20V drain-to-source voltage with 4A continuous drain current at 25°C. The device is housed in a SOT-23-3 surface mount package and is designed for general-purpose switching applications requiring low on-resistance performance. The part is Active in product status and ROHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	20	V
Current - Continuous Drain (Id) @ 25°C	4	A
Rds On (Max) @ Id, Vgs	38 mOhm @ 3.6A, 4.5V	—
Vgs(th) (Max) @ Id	1	V @ 250µA
Power Dissipation (Max)	940	mW
Operating Temperature Range	-55 to 150	°C (TJ)
Package Type	SOT-23-3	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the DMN2056U-13 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Drain to Source Voltage (Vdss): Must equal or exceed 20V
FET Type: Must be N-Channel
Gate Threshold Voltage (Vgs(th)): Must be compatible at specified test conditions
Operating Temperature Range: Must span -55°C to 150°C (TJ)
Package Type: Must be SOT-23-3 or equivalent footprint (TO-236-3, SC-59)
Mounting Type: Must be Surface Mount

Mechanical Compatibility Criteria:

Supplier Device Package: SOT-23-3
Compliance: ROHS3 Compliant, REACH Unaffected

Substitution Classification:

Parametric Equivalent: DMN2056U-7 shares identical electrical specifications and is manufactured by the same supplier (Diodes Incorporated). This part is a direct functional equivalent with identical Vdss, Id, Rds On, Vgs(th), and power dissipation ratings.

Manufacturer Recommended Equivalent: SI2312-TP (Micro Commercial Co) meets the core voltage and current requirements with Vdss of 20V and Id of 5A. While the continuous drain current rating is higher (5A vs. 4A), the Vdss, package type, and operating temperature range are compatible. The Rds On specification (41 mOhm @ 4.3A, 1.8V) and Vgs(th) (1V @ 250µA) are within acceptable tolerance for substitution in applications where the higher current rating does not create thermal or design conflicts.

Parameter Comparison

Parameter	DMN2056U-13	DMN2056U-7	SI2312-TP
Manufacturer	Diodes Incorporated	Diodes Incorporated	Micro Commercial Co
FET Type	N-Channel	N-Channel	N-Channel
Drain to Source Voltage (Vdss)	20 V	20 V	20 V
Current - Continuous Drain (Id) @ 25°C	4 A	4 A	5 A
Rds On (Max) @ Id, Vgs	38 mOhm @ 3.6A, 4.5V	38 mOhm @ 3.6A, 4.5V	41 mOhm @ 4.3A, 1.8V
Vgs(th) (Max) @ Id	1 V @ 250µA	1 V @ 250µA	1 V @ 250µA
Vgs (Max)	±8 V	±8 V	±8 V
Power Dissipation (Max)	940 mW	940 mW	350 mW (Ta)
Operating Temperature Range	-55 to 150 °C (TJ)	-55 to 150 °C (TJ)	-55 to 150 °C (TJ)
Package Type	SOT-23-3	SOT-23-3	SOT-23
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

DMN2056U-7 Selection Criteria:

The DMN2056U-7 is a direct parametric equivalent to the DMN2056U-13. Both parts are manufactured by Diodes Incorporated and share identical electrical specifications including Vdss (20V), Id (4A), Rds On (38 mOhm), and power dissipation (940 mW). The primary distinction is packaging designation. Both parts are Active in product status, ROHS3 compliant, and carry MSL rating of 1 (Unlimited). The DMN2056U-7 is suitable for direct substitution in all applications where the DMN2056U-13 is specified, with no design modifications required.

SI2312-TP Selection Criteria:

The SI2312-TP is a manufacturer-recommended equivalent manufactured by Micro Commercial Co. This part meets the core voltage specification (20V Vdss) and exceeds the current rating (5A vs. 4A). The Vgs(th) specification is identical (1V @ 250µA), and the operating temperature range matches (-55°C to 150°C). The SI2312-TP is ROHS3 compliant and REACH unaffected. The primary design consideration is the reduced power dissipation rating (350 mW vs. 940 mW), which indicates improved thermal efficiency. The higher continuous drain current rating (5A) provides design margin in applications where current headroom is beneficial. The SI2312-TP is suitable for substitution in applications where thermal performance is a priority or where the higher current rating does not conflict with circuit design constraints.

Compliance and Regulatory Status:

All three parts are ROHS3 compliant, REACH unaffected, and carry MSL rating of 1 (Unlimited). All parts are classified under ECCN EAR99 and HTSUS 8541.21.0095. No regulatory or compliance barriers exist for substitution between these parts.

Frequently Asked Questions (FAQ)

Q: Can DMN2056U-7 be used as a direct replacement for DMN2056U-13?

A: Yes. The DMN2056U-7 is a parametric equivalent with identical electrical specifications. Both parts are manufactured by Diodes Incorporated, share the same Vdss (20V), Id (4A), Rds On (38 mOhm), and power dissipation (940 mW). No circuit modifications are required for substitution.

Q: What are the key differences between DMN2056U-13 and SI2312-TP?

A: The SI2312-TP is manufactured by Micro Commercial Co and offers a higher continuous drain current rating (5A vs. 4A) and improved power dissipation (350 mW vs. 940 mW). The Vdss (20V) and Vgs(th) (1V @ 250µA) specifications are identical. The SI2312-TP is suitable for applications where thermal efficiency or current headroom is required.

Q: Are all three parts compatible with the same PCB footprint?

A: The DMN2056U-13 and DMN2056U-7 are both specified as SOT-23-3 packages. The SI2312-TP is specified as SOT-23 package. All three parts use equivalent footprints (TO-236-3, SC-59) and are compatible with the same PCB layout. No PCB redesign is required for any of these substitutions.

Q: Do all substitute parts meet the same compliance requirements?

A: Yes. All three parts are ROHS3 compliant, REACH unaffected, and carry MSL rating of 1 (Unlimited). All parts are classified under ECCN EAR99 and HTSUS 8541.21.0095. No compliance barriers exist for substitution.

Q: Which substitute part should be selected for thermal-constrained applications?

A: The SI2312-TP is recommended for thermal-constrained applications due to its lower power dissipation rating (350 mW vs. 940 mW). The improved thermal efficiency allows operation in higher ambient temperature environments or with reduced heatsinking requirements.

Q: Can SI2312-TP be used in all applications where DMN2056U-13 is specified?

A: The SI2312-TP is suitable for substitution in most applications. The higher continuous drain current rating (5A vs. 4A) provides design margin. The reduced power dissipation (350 mW) improves thermal performance. Verification is required only in applications where the specific Rds On measurement conditions (41 mOhm @ 4.3A, 1.8V vs. 38 mOhm @ 3.6A, 4.5V) create critical design dependencies.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message