DMN2991UTQ-7 Equivalent & Substitute Parts – Transistors, FETs, MOSFETs

Part Overview

The DMN2991UTQ-7 is an N-Channel MOSFET (Metal Oxide) transistor manufactured by Diodes Incorporated, provided in the SOT-523 package. It features a 20 V drain-to-source voltage (Vdss), 300mA continuous drain current (Id), and 280mW power dissipation. The part is AEC-Q101 automotive-grade qualified, RoHS3 compliant, and REACH unaffected. Finding alternatives is essential for supply optimization, inventory coverage, lifecycle management, and ensuring consistent design and production within the Transistors, FETs, MOSFETs product category.

Key Parameters

Parameter	Value
Manufacturer Part Number	DMN2991UTQ-7
Manufacturer	Diodes Incorporated
Category	Transistors, FETs, MOSFETs
FET Type	N-Channel
Technology	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	20 V
Current - Continuous Drain (Id) @ 25°C	300mA (Ta)
Drive Voltage (Max Rds On, Min Rds On)	1.5V, 4.5V
Rds On (Max) @ Id, Vgs	3Ohm @ 100mA, 4.5V
Vgs(th) (Max) @ Id	1V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	0.35 nC @ 4.5 V
Vgs (Max)	±10V
Input Capacitance (Ciss) (Max) @ Vds	21.5 pF @ 15 V
Power Dissipation (Max)	280mW (Ta)
Operating Temperature	-55°C ~ 150°C (TJ)
Package / Case	SOT-523
Automotive Grade/Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts for DMN2991UTQ-7 are determined strictly by matching the following key electrical and mechanical parameters within the Transistors, FETs, MOSFETs category:

FET Type: N-Channel
Technology: MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss): 20 V
Continuous Drain Current (Id): 300mA (Ta)
Rds On (Max) @ Id, Vgs: 3Ohm @ 100mA, 4.5V
Drive Voltage: 1.5V, 4.5V
Vgs (Max): ±10V
Input Capacitance (Ciss) (Max): 21.5 pF @ 15 V
Power Dissipation (Max): 280mW (Ta)
Package / Case: SOT-523
Compliance: RoHS3, REACH, AEC-Q101 (where specified)

Parameter Comparison

Parameter	DMN2991UTQ-7	DMN2991UT-13	DMN2991UT-7
Manufacturer	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated
Category	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs
FET Type	N-Channel	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	20 V	20 V	20 V
Current - Continuous Drain (Id) @ 25°C	300mA (Ta)	300mA (Ta)	300mA (Ta)
Drive Voltage (Max Rds On, Min Rds On)	1.5V, 4.5V	1.5V, 4.5V	1.5V, 4.5V
Rds On (Max) @ Id, Vgs	3Ohm @ 100mA, 4.5V	3Ohm @ 100mA, 4.5V	3Ohm @ 100mA, 4.5V
Vgs(th) (Max) @ Id	1V @ 250µA	1V @ 250µA	1V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	0.35 nC @ 4.5 V	0.35 nC @ 4.5 V	0.35 nC @ 4.5 V
Vgs (Max)	±10V	±10V	±10V
Input Capacitance (Ciss) (Max) @ Vds	21.5 pF @ 15 V	21.5 pF @ 15 V	21.5 pF @ 15 V
Power Dissipation (Max)	280mW (Ta)	280mW (Ta)	280mW (Ta)
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Package / Case	SOT-523	SOT-523	SOT-523
Automotive Grade/Qualification	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

DMN2991UTQ-7, DMN2991UT-13, and DMN2991UT-7 all have active product status and are RoHS3 compliant and REACH unaffected. Only DMN2991UTQ-7 is explicitly AEC-Q101 automotive qualified. For applications requiring automotive-grade or AEC-Q101 qualification, DMN2991UTQ-7 is necessary. For all other applications where RoHS and REACH compliance is required and the SOT-523 package is mandated, DMN2991UT-13 and DMN2991UT-7 are suitable substitutes.

Frequently Asked Questions (FAQ)

Q1: What are the critical parameters for substituting DMN2991UTQ-7?
A1: Parameters include FET type, MOSFET technology, drain-to-source voltage, continuous drain current, Rds On, drive voltage, package/case (SOT-523), power dissipation, operating temperature, and compliance standards such as RoHS, REACH, and AEC-Q101 qualification.

Q2: Are DMN2991UT-13 and DMN2991UT-7 direct drop-in replacements?
A2: Both parts match all specified electrical and mechanical parameters and comply with RoHS and REACH standards. Package and pinout are identical (SOT-523). However, only DMN2991UTQ-7 is specified as AEC-Q101 qualified.

Q3: Does the package or footprint differ between substitute parts?
A3: All parts use the SOT-523 package, ensuring identical mounting and footprint compatibility.

Q4: Is automotive qualification maintained with all substitutes?
A4: Only the DMN2991UTQ-7 is explicitly listed as AEC-Q101 qualified. For automotive applications, use DMN2991UTQ-7.

Q5: Is RoHS and REACH compliance ensured for all alternatives?
A5: DMN2991UTQ-7, DMN2991UT-13, and DMN2991UT-7 are all ROHS3 compliant and REACH unaffected.

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