DMN4035L-7 Equivalent & Substitute Parts

Part Overview

The DMN4035L-7 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 40V drain-to-source voltage with 4.6A continuous drain current at 25°C. The device is housed in a SOT-23-3 surface mount package and dissipates a maximum of 720mW. This part is currently in active production status with 23,100 units in stock.

Substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or specific application qualifications such as automotive-grade certifications. The DMN4035 series provides multiple equivalent options within the same electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	40	V
Continuous Drain Current (Id) @ 25°C	4.6	A
On-State Resistance (Rds On Max) @ 4.3A, 10V	42	mOhm
Gate Threshold Voltage (Vgs(th) Max) @ 250µA	3	V
Gate Charge (Qg Max) @ 10V	12.5	nC
Input Capacitance (Ciss Max) @ 20V	574	pF
Maximum Gate Voltage (Vgs)	±20	V
Power Dissipation (Max)	720	mW
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-23-3	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution within the DMN4035 series is determined by electrical parameter equivalence and mechanical compatibility. All substitute parts share identical electrical specifications across drain-to-source voltage, continuous drain current, on-state resistance, gate threshold voltage, gate charge, input capacitance, and maximum gate voltage ratings. All parts are housed in the SOT-23-3 package with surface mount configuration, ensuring mechanical and thermal compatibility.

The DMN4035 series is divided into two qualification grades:

Standard Grade (Non-Automotive): DMN4035L-7 and DMN4035L-13 are industrial-grade devices without automotive qualification.

Automotive Grade (AEC-Q101): DMN4035LQ-7 and DMN4035LQ-13 carry AEC-Q101 qualification for automotive applications.

The suffix designation (-7 or -13) indicates different manufacturing date codes or tape reel configurations but does not affect electrical performance or package specifications. All variants maintain identical electrical characteristics and are fully interchangeable from a functional standpoint.

Parameter Comparison

Parameter	DMN4035L-7	DMN4035L-13	DMN4035LQ-7	DMN4035LQ-13
Manufacturer	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated
FET Type	N-Channel	N-Channel	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Vdss (V)	40	40	40	40
Id @ 25°C (A)	4.6	4.6	4.6	4.6
Rds On Max @ 4.3A, 10V (mOhm)	42	42	42	42
Vgs(th) Max @ 250µA (V)	3	3	3	3
Qg Max @ 10V (nC)	12.5	12.5	12.5	12.5
Ciss Max @ 20V (pF)	574	574	574	574
Vgs Max (V)	±20	±20	±20	±20
Power Dissipation Max (mW)	720	720	720	720
Operating Temperature (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package	SOT-23-3	SOT-23-3	SOT-23-3	SOT-23-3
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Automotive Qualification	—	—	AEC-Q101	AEC-Q101
Current Inventory (Pcs)	23,100	1,132	2,297	8,922

Engineering Selection Recommendations

All four part numbers within the DMN4035 series are electrically and mechanically equivalent and maintain active production status. Selection between standard-grade (DMN4035L-7, DMN4035L-13) and automotive-grade (DMN4035LQ-7, DMN4035LQ-13) variants depends on application requirements.

For non-automotive applications: DMN4035L-7 and DMN4035L-13 are suitable. Both are ROHS3 compliant and REACH unaffected. DMN4035L-7 has the highest inventory availability at 23,100 units.

For automotive applications: DMN4035LQ-7 and DMN4035LQ-13 are required. Both carry AEC-Q101 qualification, meeting automotive industry standards. DMN4035LQ-13 has higher inventory (8,922 units) compared to DMN4035LQ-7 (2,297 units).

All variants maintain identical electrical performance, thermal characteristics, and package specifications. The choice between suffix designations (-7 or -13) does not affect functional performance and is determined by supply chain availability and manufacturing date code requirements.

Frequently Asked Questions (FAQ)

Q: Are all DMN4035 variants electrically interchangeable?

A: Yes. All four part numbers (DMN4035L-7, DMN4035L-13, DMN4035LQ-7, DMN4035LQ-13) share identical electrical specifications including Vdss, Id, Rds On, Vgs(th), Qg, Ciss, and power dissipation ratings. They are functionally equivalent for circuit design purposes.

Q: What is the difference between the -7 and -13 suffix designations?

A: The suffix designations indicate different manufacturing date codes or tape reel configurations. They do not represent different electrical grades or performance levels. Both suffixes within each grade (standard or automotive) are electrically identical.

Q: Can I use a standard-grade DMN4035L part in an automotive application?

A: Standard-grade parts (DMN4035L-7, DMN4035L-13) lack AEC-Q101 automotive qualification. Automotive applications requiring compliance with automotive industry standards must use AEC-Q101 qualified variants (DMN4035LQ-7, DMN4035LQ-13).

Q: Are all parts housed in the same package?

A: Yes. All four variants use the SOT-23-3 package (also designated TO-236-3 or SC-59). Package dimensions, pin configuration, and thermal characteristics are identical across all variants.

Q: What is the moisture sensitivity level for these parts?

A: All DMN4035 variants carry MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are these parts RoHS and REACH compliant?

A: Yes. All four variants are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements for industrial and automotive applications.

Q: Which variant should I select if inventory is a consideration?

A: For non-automotive applications, DMN4035L-7 offers the highest inventory at 23,100 units. For automotive applications, DMN4035LQ-13 provides the best availability at 8,922 units among AEC-Q101 qualified options.

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