DMN3050S-7 Equivalent & Substitute Parts

Part Overview

The DMN3050S-7 is an N-Channel 30V 5.2A MOSFET manufactured by Diodes Incorporated in SOT-23-3 surface mount packaging. This device is classified as obsolete, necessitating identification of active equivalent and substitute parts for new designs and ongoing production support. The part operates across a temperature range of -55°C to 150°C and is RoHS3 compliant with unlimited moisture sensitivity rating.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	30	V
Continuous Drain Current (Id) @ 25°C	5.2	A
Rds On (Max) @ 5.2A, 10V	35	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	3	V
Power Dissipation (Max)	1.4	W
Input Capacitance (Ciss) @ 15V	390	pF
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-23-3	—
Mounting Type	Surface Mount	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the DMN3050S-7 is determined by the following critical parameters:

Electrical Compatibility Requirements:

Drain to Source Voltage (Vdss) must equal or exceed 30V
Continuous Drain Current (Id) must support minimum 5.2A operation
Gate Threshold Voltage (Vgs(th)) must be compatible with existing drive circuitry
Maximum Gate Voltage (Vgs) must accommodate ±20V operation
Operating temperature range must span -55°C to 150°C minimum

Mechanical Compatibility Requirements:

Package type must be SOT-23-3 (TO-236-3, SC-59) for direct PCB footprint compatibility
Surface mount mounting type required
RoHS3 compliance mandatory

Substitution Categories:

Direct Equivalent (Same Package, Active Status): Parts maintaining SOT-23-3 packaging with active product status and electrical parameters within acceptable operating margins.

Functional Equivalent (Different Package, Enhanced Performance): Parts with superior electrical characteristics but different package types (TO-236AB), requiring PCB layout modification but offering improved performance metrics.

Partial Equivalent (Lower Current Rating): Parts with reduced current ratings suitable for applications not requiring full 5.2A capacity, used when design constraints permit.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Vgs(th) (V)	Package	Status	Temp Range (°C)
DMN3050S-7	Diodes Inc.	30	5.2	35 @ 5.2A, 10V	3 @ 250µA	SOT-23-3	Obsolete	-55 to 150
DMN3404L-7	Diodes Inc.	30	5.8	28 @ 5.8A, 10V	2 @ 250µA	SOT-23-3	Active	-55 to 150
SI2306BDS-T1-E3	Vishay Siliconix	30	3.16	47 @ 3.5A, 10V	3 @ 250µA	SOT-23-3	Active	-55 to 150
PMV15ENEAR	Nexperia USA Inc.	30	6.2	20 @ 5.8A, 10V	2.5 @ 250µA	TO-236AB	Active	-55 to 175
PMV25ENEAR	Nexperia USA Inc.	30	5.5	24 @ 5.5A, 10V	2.5 @ 250µA	TO-236AB	Not For New Designs	-55 to 150
PMV45EN2VL	Nexperia USA Inc.	30	5.1	42 @ 4.1A, 10V	2 @ 250µA	TO-236AB	Active	-55 to 150
PMV45EN2R	Nexperia USA Inc.	30	4.1	42 @ 4.1A, 10V	2 @ 250µA	TO-236AB	Active	-55 to 150
RTR040N03TL	Rohm Semiconductor	30	4	48 @ 4A, 4.5V	1.5 @ 1mA	TSMT3	Active	-55 to 150
RTR025N03TL	Rohm Semiconductor	30	2.5	92 @ 2.5A, 4.5V	1.5 @ 1mA	TSMT3	Active	-55 to 150
RSR025N03TL	Rohm Semiconductor	30	2.5	70 @ 2.5A, 10V	2.5 @ 1mA	TSMT3	Not For New Designs	-55 to 150

Engineering Selection Recommendations

Primary Direct Equivalent:

DMN3404L-7 (Diodes Incorporated) is the recommended direct substitute for DMN3050S-7. Both devices maintain identical SOT-23-3 packaging, 30V Vdss rating, and -55°C to 150°C operating range. The DMN3404L-7 provides superior performance with 5.8A continuous drain current (versus 5.2A), lower on-resistance (28mOhm versus 35mOhm), and active product status. This part is suitable for direct PCB replacement without layout modification.

Secondary Direct Equivalent:

SI2306BDS-T1-E3 (Vishay Siliconix) maintains SOT-23-3 packaging and identical operating temperature range. However, the 3.16A continuous drain current rating is below the original 5.2A specification. This part is suitable only for applications where the full 5.2A capacity is not required. Active product status and RoHS3 compliance are confirmed.

Functional Equivalents (Package Change Required):

PMV15ENEAR (Nexperia USA Inc.) offers the highest performance upgrade with 6.2A continuous drain current, 20mOhm on-resistance, and extended operating temperature to 175°C. The TO-236AB package requires PCB footprint modification but maintains electrical compatibility. Active product status and AEC-Q101 automotive qualification are confirmed.

PMV25ENEAR (Nexperia USA Inc.) provides 5.5A continuous drain current with 24mOhm on-resistance in TO-236AB packaging. Product status is "Not For New Designs," limiting suitability for new development.

PMV45EN2VL (Nexperia USA Inc.) operates at 5.1A continuous drain current with TrenchMOS™ technology in TO-236AB packaging. Active product status and RoHS3 compliance are confirmed. Gate charge specification (6.3nC) is lower than the original part.

Lower Current Alternatives (Package Change Required):

RTR040N03TL (Rohm Semiconductor) provides 4A continuous drain current in TSMT3 packaging with active product status. Suitable for applications not requiring full 5.2A capacity.

RTR025N03TL (Rohm Semiconductor) provides 2.5A continuous drain current in TSMT3 packaging with active product status. Suitable only for reduced-current applications.

Not Recommended for New Designs:

PMV25ENEAR and RSR025N03TL carry "Not For New Designs" status and should not be selected for new product development.

Frequently Asked Questions (FAQ)

Q: Can DMN3404L-7 be used as a direct replacement for DMN3050S-7 without PCB modification?

A: Yes. Both parts use identical SOT-23-3 packaging, 30V Vdss rating, and -55°C to 150°C operating temperature range. The DMN3404L-7 provides improved electrical performance with higher current rating (5.8A versus 5.2A) and lower on-resistance (28mOhm versus 35mOhm). No PCB layout changes are required.

Q: What is the primary limitation of SI2306BDS-T1-E3 as a substitute?

A: The SI2306BDS-T1-E3 has a continuous drain current rating of 3.16A, which is below the original 5.2A specification. This part is suitable only for applications where the full 5.2A capacity is not required. Electrical compatibility is otherwise maintained with identical SOT-23-3 packaging and operating temperature range.

Q: Why do Nexperia parts use TO-236AB packaging instead of SOT-23-3?

A: TO-236AB and SOT-23-3 are functionally equivalent package designations for the same physical form factor. However, PCB footprint libraries may differ between manufacturers. Verification of footprint compatibility with design tools is required before substitution.

Q: Can PMV15ENEAR be used in applications requiring the full 5.2A specification?

A: Yes. PMV15ENEAR provides 6.2A continuous drain current, exceeding the original 5.2A requirement. The part maintains 30V Vdss rating and -55°C to 150°C operating range. Extended temperature capability to 175°C and AEC-Q101 automotive qualification are additional benefits. PCB footprint modification is required due to TO-236AB packaging.

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. While functional, these parts should not be selected for new product development. PMV25ENEAR and RSR025N03TL carry this designation and are suitable only for legacy system support or replacement applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry RoHS3 compliance certification. Moisture sensitivity level (MSL) is rated as 1 (Unlimited) for all parts, indicating no special handling requirements during storage or assembly.

Q: What is the difference between Rds On specifications at different gate voltages?

A: On-resistance varies with applied gate voltage. The original DMN3050S-7 specifies 35mOhm at 10V gate voltage. Substitute parts may specify on-resistance at different gate voltages (e.g., 4.5V or 10V). Lower gate voltage specifications indicate higher on-resistance values. Design verification is required to confirm acceptable performance at the intended gate drive voltage.

Q: Can Rohm TSMT3 packaged parts substitute for SOT-23-3 devices?

A: No. TSMT3 and SOT-23-3 are different package types with different PCB footprints. RTR040N03TL and RTR025N03TL require complete PCB layout redesign. These parts are suitable only when package change is acceptable and current requirements are met (4A or 2.5A respectively).

Q: What is the advantage of PMV45EN2VL over other Nexperia alternatives?

A: PMV45EN2VL features TrenchMOS™ technology with lower gate charge (6.3nC) and reduced input capacitance (209pF), enabling faster switching performance. The 5.1A continuous drain current meets the original specification. Active product status and RoHS3 compliance are confirmed. TO-236AB packaging requires footprint modification.

Q: Is automotive qualification required for all applications?

A: No. Automotive qualification (AEC-Q101) is required only for automotive applications. PMV15ENEAR and PMV25ENEAR carry AEC-Q101 certification. Other parts do not require this qualification for general industrial or consumer applications.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message