DMN3033LSNQ-13 Equivalent & Substitute Parts

Part Overview

The DMN3033LSNQ-13 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 30V drain-to-source voltage with 6A continuous drain current at 25°C. This device is packaged in SC-59-3 (SOT-23-3) surface mount configuration and is designed for general-purpose switching applications requiring low on-resistance performance. The part is Active status and ROHS3 compliant.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter set. Alternative sources or packaging variants may be required due to inventory availability, supply chain considerations, or specific application constraints.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	30	V
Continuous Drain Current (Id) @ 25°C	6	A (Ta)
On-Resistance (Rds On Max) @ 6A, 10V	30	mOhm
Gate Threshold Voltage (Vgs(th) Max) @ 250µA	2.1	V
Gate Charge (Qg Max) @ 5V	10.5	nC
Input Capacitance (Ciss Max) @ 10V	755	pF
Power Dissipation (Max)	1.4	W (Ta)
Operating Temperature Range	-55 to 150	°C (TJ)
Package Type	SC-59-3 / SOT-23-3	Surface Mount
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility is determined by matching the following critical electrical and mechanical parameters:

Electrical Criteria:

Drain-to-Source Voltage (Vdss): 30V minimum
Continuous Drain Current (Id): 6A or greater at 25°C
On-Resistance (Rds On): 30mOhm or lower at rated conditions
Gate Threshold Voltage (Vgs(th)): Compatible with 10V drive voltage
Operating Temperature Range: -55°C to 150°C minimum

Mechanical Criteria:

Package Type: SC-59-3 / SOT-23-3 surface mount configuration
Pin Configuration: 3-pin FET standard (Gate, Drain, Source)
Mounting Type: Surface Mount

Compliance Criteria:

RoHS3 Compliance required
Moisture Sensitivity Level: 1 (Unlimited) preferred

Parts meeting all electrical and mechanical criteria are classified as parametric equivalents. Parts with minor deviations in secondary parameters (such as gate charge or input capacitance) within acceptable application tolerances are listed as manufacturer-recommended alternatives.

Parameter Comparison

Parameter	DMN3033LSNQ-13	DMN3033LSN-7	DMN3033LSNQ-7	TSM320N03CX RFG
Manufacturer	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated	Taiwan Semiconductor Corporation
Vdss (V)	30	30	30	30
Id @ 25°C (A)	6 (Ta)	6 (Ta)	6 (Ta)	5.5 (Tc)
Rds On Max @ rated conditions (mOhm)	30 @ 6A, 10V	30 @ 6A, 10V	30 @ 6A, 10V	32 @ 4A, 4.5V
Vgs(th) Max @ 250µA (V)	2.1	2.1	2.1	0.9
Qg Max @ specified Vgs (nC)	10.5 @ 5V	10.5 @ 5V	10.5 @ 5V	8.9 @ 4.5V
Ciss Max @ specified Vds (pF)	755 @ 10V	755 @ 10V	755 @ 10V	792 @ 15V
Power Dissipation Max (W)	1.4 (Ta)	1.4 (Ta)	1.4 (Ta)	1.8 (Tc)
Operating Temperature (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package	SC-59-3 / SOT-23-3	SC-59-3 / SOT-23-3	SC-59-3 / SOT-23-3	SOT-23
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Parametric Equivalents (Diodes Incorporated):

DMN3033LSN-7 and DMN3033LSNQ-7 are direct parametric equivalents to the DMN3033LSNQ-13. All electrical specifications, operating temperature range, and compliance certifications are identical. These parts differ only in packaging format (Tape & Reel) and internal device binning designations. Selection between these three Diodes Incorporated variants is based on inventory availability and supply chain requirements. All three maintain Active product status and ROHS3 compliance.

Manufacturer-Recommended Alternative (Taiwan Semiconductor Corporation):

The TSM320N03CX RFG is a manufacturer-recommended alternative from Taiwan Semiconductor Corporation. This device maintains the 30V Vdss rating and operates within the same temperature range. The continuous drain current specification is 5.5A (Tc), which is 0.5A lower than the primary part. The on-resistance is 32mOhm at 4A and 4.5V drive voltage, compared to 30mOhm at 6A and 10V for the DMN3033 series. The gate threshold voltage is significantly lower at 0.9V, and gate charge is reduced to 8.9nC. Power dissipation is rated at 1.8W (Tc). This part is suitable for applications where the reduced current rating and lower gate drive voltage are acceptable. The TSM320N03CX RFG is supplied in Cut Tape and Digi-Reel packaging formats.

All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), and REACH Unaffected status, ensuring regulatory compatibility with the primary part.

Frequently Asked Questions (FAQ)

Q: Can DMN3033LSN-7 be used as a direct replacement for DMN3033LSNQ-13?

A: Yes. DMN3033LSN-7 is a parametric equivalent with identical electrical specifications, operating temperature range, and compliance certifications. The parts differ only in packaging format designation and internal device binning. Pin configuration and package footprint (SC-59-3 / SOT-23-3) are identical.

Q: What is the difference between DMN3033LSNQ-13 and DMN3033LSNQ-7?

A: These parts are parametric equivalents with identical electrical and thermal specifications. The suffix designations (-13 and -7) indicate different manufacturing date codes or internal device binning within the same product family. Both are supplied in Tape & Reel packaging and maintain identical performance characteristics.

Q: Is TSM320N03CX RFG a direct substitute for DMN3033LSNQ-13?

A: TSM320N03CX RFG is a manufacturer-recommended alternative, not a direct equivalent. The continuous drain current is specified at 5.5A (Tc) versus 6A (Ta) for the DMN3033LSNQ-13. The on-resistance specification is measured at different conditions (32mOhm @ 4A, 4.5V versus 30mOhm @ 6A, 10V). The gate threshold voltage is lower at 0.9V. This part is suitable for applications where these parameter differences are acceptable.

Q: Are all substitute parts available in the same package?

A: DMN3033LSNQ-13, DMN3033LSN-7, and DMN3033LSNQ-7 are all supplied in SC-59-3 / SOT-23-3 surface mount packages with identical pin configurations. TSM320N03CX RFG is supplied in SOT-23 package format, which is mechanically and electrically compatible with SC-59-3 / SOT-23-3 footprints. Packaging format differs: Diodes Incorporated parts use Tape & Reel (TR), while TSM320N03CX RFG uses Cut Tape (CT) and Digi-Reel® formats.

Q: What are the key electrical differences between the Diodes Incorporated and Taiwan Semiconductor Corporation parts?

A: The primary electrical differences are: (1) Continuous drain current: 6A (Ta) for DMN3033 series versus 5.5A (Tc) for TSM320N03CX RFG; (2) Gate threshold voltage: 2.1V (DMN3033) versus 0.9V (TSM320N03CX RFG); (3) On-resistance measurement conditions differ; (4) Maximum gate voltage: ±20V (DMN3033) versus ±12V (TSM320N03CX RFG); (5) Power dissipation: 1.4W (Ta) versus 1.8W (Tc). All parts maintain 30V Vdss rating and -55°C to 150°C operating temperature range.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts—DMN3033LSN-7, DMN3033LSNQ-7, and TSM320N03CX RFG—are ROHS3 compliant with MSL Level 1 (Unlimited) and REACH Unaffected status, matching the compliance profile of the primary part DMN3033LSNQ-13.

Q: What inventory levels are available for each part?

A: DMN3033LSNQ-13: 682 Pcs; DMN3033LSN-7: 17,768 Pcs; DMN3033LSNQ-7: 3,784 Pcs; TSM320N03CX RFG: 9,623 Pcs. Inventory availability should be verified at time of procurement.

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