DMP2170U-7 Equivalent & Substitute Parts

Part Overview

The DMP2170U-7 is a P-Channel MOSFET manufactured by Diodes Incorporated, rated for 20V drain-to-source voltage with 3.1A continuous drain current at 25°C. The device is housed in a SOT-23-3 surface mount package and is qualified to AEC-Q101 automotive standards. This part is currently active in production with 11,400 units in stock.

Substitute parts are identified when design requirements permit alternative components that maintain electrical and mechanical compatibility within the specified parameter ranges. Substitution becomes necessary due to supply constraints, manufacturing discontinuation, or design flexibility within established tolerance windows.

Key Parameters

Parameter	Value	Unit
FET Type	P-Channel	—
Drain-to-Source Voltage (Vdss)	20	V
Continuous Drain Current (Id) @ 25°C	3.1	A
On-Resistance (Rds On) @ 3.5A, 4.5V	90	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	1.25	V
Maximum Gate Voltage (Vgs)	±12	V
Power Dissipation (Max)	780	mW
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-23-3	—
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the DMP2170U-7 is determined by 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 the application requirement
On-Resistance (Rds On) characteristics must support the intended switching and conduction losses
Gate Threshold Voltage (Vgs(th)) must be compatible with the drive circuit
Maximum Gate Voltage (Vgs) must accommodate the control signal range
Power Dissipation capability must support thermal requirements

Mechanical Compatibility Requirements:

Package type must be SOT-23-3 or equivalent footprint (TO-236-3, SC-59)
Surface mount mounting type
Moisture Sensitivity Level (MSL) of 1 or better

Compliance Requirements:

RoHS3 compliance
Operating temperature range of -55°C to 150°C (TJ)

Substitute parts are grouped into two categories: parametric equivalents (identical electrical specifications) and manufacturer-recommended alternatives (compatible within application tolerance windows).

Parameter Comparison

Parameter	DMP2170U-7	DMP2170U-13	AO3413	FDN340P	NTR4101PT1H	PMV65XPEAR	PMV65XPER
Manufacturer	Diodes Inc.	Diodes Inc.	Alpha & Omega	UMW	onsemi	Nexperia	Nexperia
FET Type	P-Channel	P-Channel	P-Channel	P-Channel	P-Channel	P-Channel	P-Channel
Vdss (V)	20	20	20	20	20	20	20
Id @ 25°C (A)	3.1	3.1	3.0	2.0	1.8	2.8	2.8
Rds On @ Vgs 4.5V (mOhm)	90 @ 3.5A	90 @ 3.5A	97 @ 3A	70 @ 2A	85 @ 1.6A	78 @ 2.8A	78 @ 2.8A
Vgs(th) @ 250µA (V)	1.25	1.25	1.0	1.5	1.2	1.25	1.25
Vgs Max (V)	±12	±12	±8	±8	±8	±12	±12
Qg @ 4.5V or 10V (nC)	7.8 @ 10V	7.8 @ 10V	6.1 @ 4.5V	8.0 @ 4.5V	8.5 @ 4.5V	9.0 @ 4.5V	9.0 @ 4.5V
Ciss @ 10V (pF)	303	303	540	600	675	618	618
Power Dissipation (mW)	780	780	1400	1100	420	480	480
Operating Temp Range (°C)	-55 to 150	-55 to 150	-55 to 150	to 150	-55 to 150	-55 to 150	-55 to 150
Package	SOT-23-3	SOT-23-3	SOT-23-3	SOT-23	SOT-23-3	TO-236AB	TO-236AB
Packaging Format	Tape & Reel	Tape & Reel	Tape & Reel	Cut Tape & Digi-Reel	Cut Tape & Digi-Reel	Cut Tape & Digi-Reel	Tape & Reel
Grade	Automotive	Automotive	—	—	—	Automotive	—
Qualification	AEC-Q101	AEC-Q101	—	—	—	AEC-Q100	—
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3
Inventory (Pcs)	11400	836	60400	95200	26100	116400	4197

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement):

DMP2170U-13 is a parametric equivalent to DMP2170U-7. Both parts share identical electrical specifications, including Vdss, Id, Rds On, Vgs(th), and power dissipation. Both are manufactured by Diodes Incorporated, carry AEC-Q101 qualification, and are housed in SOT-23-3 packages. The DMP2170U-13 is suitable for direct substitution in applications where the DMP2170U-7 is specified, with the caveat that inventory availability is significantly lower (836 units versus 11,400 units).

Manufacturer-Recommended Alternatives:

PMV65XPER and PMV65XPEAR (Nexperia) are suitable substitutes for applications that can tolerate a continuous drain current of 2.8A (versus 3.1A) and maintain compatibility with ±12V gate voltage. Both parts carry AEC-Q100 automotive qualification and feature identical Vgs(th) and Vgs specifications. The TO-236AB package is mechanically compatible with SOT-23-3 footprints. PMV65XPER is available in Tape & Reel format with 4,197 units in stock; PMV65XPEAR is available in Cut Tape & Digi-Reel format with 116,400 units in stock.

AO3413 (Alpha & Omega Semiconductor) is compatible for applications requiring 3.0A continuous drain current. This part features lower gate threshold voltage (1.0V versus 1.25V) and reduced gate charge (6.1 nC versus 7.8 nC), resulting in faster switching characteristics. However, AO3413 is limited to ±8V gate voltage and lacks automotive qualification. Inventory availability is high at 60,400 units.

FDN340P (UMW) is suitable for applications requiring 2.0A continuous drain current. This part features the lowest on-resistance (70 mOhm) among the substitutes but is limited to ±8V gate voltage. Operating temperature range specification is incomplete in the provided data. Inventory availability is 95,200 units.

NTR4101PT1H (onsemi) is suitable for applications requiring 1.8A continuous drain current. This part features the lowest power dissipation (420 mW) and carries full -55°C to 150°C operating temperature specification. Gate voltage is limited to ±8V. Inventory availability is 26,100 units.

Selection Criteria:

For applications requiring the full 3.1A continuous drain current and ±12V gate voltage capability, DMP2170U-13 or PMV65XPER/PMV65XPEAR are the appropriate selections. For applications with reduced current requirements (below 3.0A) and ±8V gate voltage compatibility, AO3413, FDN340P, or NTR4101PT1H provide viable alternatives with higher inventory availability. Automotive-grade applications should prioritize parts with AEC-Q100 or AEC-Q101 qualification.

Frequently Asked Questions (FAQ)

Q: Can DMP2170U-13 be used as a direct replacement for DMP2170U-7?

A: Yes. DMP2170U-13 is a parametric equivalent with identical electrical specifications, including Vdss (20V), Id (3.1A), Rds On (90 mOhm @ 4.5V), Vgs(th) (1.25V), and power dissipation (780 mW). Both parts are manufactured by Diodes Incorporated, qualified to AEC-Q101, and packaged in SOT-23-3. The parts are interchangeable at the circuit level.

Q: What is the key difference between PMV65XPER and PMV65XPEAR?

A: PMV65XPER and PMV65XPEAR are electrically identical. The difference is in packaging format: PMV65XPER is supplied in Tape & Reel (TR) format, while PMV65XPEAR is supplied in Cut Tape (CT) & Digi-Reel format. Both are housed in TO-236AB packages and are mechanically compatible with SOT-23-3 footprints. PMV65XPEAR has significantly higher inventory availability (116,400 units versus 4,197 units).

Q: Can AO3413 replace DMP2170U-7 in all applications?

A: AO3413 is suitable for applications that can tolerate 3.0A continuous drain current (versus 3.1A) and ±8V gate voltage (versus ±12V). AO3413 features lower gate threshold voltage (1.0V) and reduced gate charge (6.1 nC), resulting in faster switching response. However, AO3413 lacks automotive qualification. Substitution is appropriate only for non-automotive applications or where the reduced current and gate voltage specifications are acceptable.

Q: What is the minimum continuous drain current among the substitute parts?

A: NTR4101PT1H has the lowest continuous drain current rating at 1.8A. This part is suitable only for applications requiring less than 1.8A. For applications requiring the full 3.1A capability of the DMP2170U-7, NTR4101PT1H is not suitable.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (DMP2170U-13, AO3413, FDN340P, NTR4101PT1H, PMV65XPEAR, and PMV65XPER) are RoHS3 compliant and carry Moisture Sensitivity Level (MSL) of 1 (Unlimited).

Q: Which substitute parts carry automotive qualification?

A: DMP2170U-13 carries AEC-Q101 qualification (identical to DMP2170U-7). PMV65XPEAR and PMV65XPER carry AEC-Q100 qualification. AO3413, FDN340P, and NTR4101PT1H do not carry automotive qualification designations in the provided specifications.

Q: Can FDN340P be used in high-current applications?

A: No. FDN340P is rated for 2.0A continuous drain current, which is below the 3.1A rating of the DMP2170U-7. FDN340P is suitable only for applications requiring 2.0A or less. Additionally, FDN340P is limited to ±8V gate voltage.

Q: What is the operating temperature range for all substitute parts?

A: DMP2170U-7, DMP2170U-13, AO3413, NTR4101PT1H, PMV65XPEAR, and PMV65XPER all specify -55°C to 150°C (TJ) operating temperature range. FDN340P specifies only a maximum temperature of 150°C without a minimum temperature specification in the provided data.

Q: Is the SOT-23-3 package footprint compatible with TO-236AB?

A: Yes. SOT-23-3 and TO-236AB are equivalent package designations for the same physical footprint. Parts specified as TO-236-3, SC-59, or SOT-23-3 are mechanically interchangeable on the same PCB layout.

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