DMN3021LFDF-13 Equivalent & Substitute Parts

Part Overview

The DMN3021LFDF-13 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 30V drain-to-source voltage with 11.8A continuous drain current at 25°C. The device is housed in a 6-UDFN Exposed Pad surface mount package and is designed for general-purpose switching and amplification applications. The part is currently Active in product status with 1043 pieces in stock. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	30	V
Continuous Drain Current (Id) @ 25°C	11.8	A
Rds On (Max) @ 7A, 10V	15	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	2.2	V
Gate Charge (Qg) @ 10V	14	nC
Input Capacitance (Ciss) @ 15V	706	pF
Power Dissipation (Max)	2.03	W
Operating Temperature Range	-55 to 150	°C
Package Type	6-UDFN Exposed Pad	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitute parts for the DMN3021LFDF-13 are classified based on the following electrical and mechanical criteria:

Parametric Equivalents maintain identical or functionally equivalent specifications across all critical parameters: Vdss (30V), continuous drain current rating, Rds On characteristics, gate threshold voltage, gate charge, input capacitance, power dissipation, operating temperature range, and package configuration (6-UDFN Exposed Pad, Surface Mount).

Manufacturer Recommended Alternatives are parts that satisfy the primary voltage and current requirements but may exhibit variations in secondary parameters such as gate charge, input capacitance, or gate threshold voltage. These parts are suitable for applications where the primary electrical specifications (Vdss and Id) are the controlling factors.

The substitution logic is based strictly on:

Drain-to-Source Voltage (Vdss) compatibility
Continuous Drain Current (Id) capability
On-State Resistance (Rds On) performance
Package and mounting compatibility
Operating temperature range
Regulatory compliance (RoHS3, REACH)

Parameter Comparison

Parameter	DMN3021LFDF-13	DMN3021LFDF-7	PMPB13XNE,115
Manufacturer	Diodes Incorporated	Diodes Incorporated	Nexperia USA Inc.
Vdss (V)	30	30	30
Id @ 25°C (A)	11.8	11.8	8
Rds On (Max) (mOhm)	15 @ 7A, 10V	15 @ 7A, 10V	16 @ 8A, 4.5V
Vgs(th) (Max) (V)	2.2 @ 250µA	2.2 @ 250µA	0.9 @ 250µA
Gate Charge (Qg) (nC)	14 @ 10V	14 @ 10V	36 @ 4.5V
Ciss (Max) (pF)	706 @ 15V	706 @ 15V	2195 @ 15V
Power Dissipation (Max) (W)	2.03	2.03	1.7 (Ta), 12.5 (Tc)
Operating Temperature (°C)	-55 to 150	-55 to 150	-55 to 150
Package	6-UDFN Exposed Pad	6-UDFN Exposed Pad	6-UDFN Exposed Pad
Mounting Type	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Inventory Status	1043 Pcs	16200 Pcs	23309 Pcs

Engineering Selection Recommendations

DMN3021LFDF-7 (Parametric Equivalent)

The DMN3021LFDF-7 is a direct parametric equivalent to the DMN3021LFDF-13. Both parts are manufactured by Diodes Incorporated and share identical electrical specifications across all measured parameters: 30V Vdss, 11.8A continuous drain current, 15mOhm Rds On, 2.2V gate threshold voltage, 14nC gate charge, and 706pF input capacitance. Both devices are housed in the 6-UDFN Exposed Pad package and operate across the same temperature range (-55°C to 150°C). Both parts maintain ROHS3 compliance and MSL 1 rating. The DMN3021LFDF-7 is available with significantly higher inventory (16200 pieces) compared to the DMN3021LFDF-13 (1043 pieces).

PMPB13XNE,115 (Manufacturer Recommended Alternative)

The PMPB13XNE,115 is manufactured by Nexperia USA Inc. and is rated for the same 30V Vdss as the primary part. However, this device exhibits reduced continuous drain current capability (8A versus 11.8A) and differs in secondary electrical characteristics. The gate threshold voltage is significantly lower (0.9V versus 2.2V), gate charge is higher (36nC versus 14nC), and input capacitance is substantially higher (2195pF versus 706pF). The PMPB13XNE,115 is suitable for applications where the 30V voltage rating is the primary requirement and the reduced current capability is acceptable. This part is available with the highest inventory level (23309 pieces) and maintains ROHS3 compliance and MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can the DMN3021LFDF-7 be used as a direct replacement for the DMN3021LFDF-13?

A: Yes. The DMN3021LFDF-7 is a parametric equivalent with identical electrical specifications and package configuration. All measured parameters including Vdss, Id, Rds On, Vgs(th), gate charge, and input capacitance are equivalent. Both parts are manufactured by Diodes Incorporated and share the same 6-UDFN Exposed Pad surface mount package.

Q: What are the key differences between the DMN3021LFDF-13 and the PMPB13XNE,115?

A: The primary differences are: (1) Continuous drain current: DMN3021LFDF-13 is rated for 11.8A while PMPB13XNE,115 is rated for 8A; (2) Gate threshold voltage: 2.2V versus 0.9V; (3) Gate charge: 14nC versus 36nC; (4) Input capacitance: 706pF versus 2195pF. Both devices maintain the same 30V Vdss rating and operate across the same temperature range. The PMPB13XNE,115 is suitable for applications where current requirements do not exceed 8A.

Q: Are all substitute parts compatible with the same PCB layout?

A: Yes. All listed substitute parts use the 6-UDFN Exposed Pad surface mount package and are compatible with the same PCB footprint and layout. Pin assignments and mechanical dimensions are consistent across all parts.

Q: What is the significance of the gate charge and input capacitance differences?

A: Gate charge (Qg) and input capacitance (Ciss) affect switching speed and gate drive requirements. The DMN3021LFDF-13 and DMN3021LFDF-7 have lower gate charge (14nC) and lower input capacitance (706pF) compared to the PMPB13XNE,115 (36nC and 2195pF respectively). Lower values typically result in faster switching transitions and reduced gate drive power requirements. Applications with stringent switching speed requirements should prioritize parts with lower gate charge and capacitance values.

Q: Do all substitute parts meet the same regulatory requirements?

A: Yes. All listed parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating. All parts are classified under ECCN EAR99 and HTSUS 8541.29.0095.

Q: Which substitute part should be selected for maximum inventory availability?

A: The PMPB13XNE,115 offers the highest inventory level at 23309 pieces. The DMN3021LFDF-7 provides the second-highest availability at 16200 pieces. Selection should be based on electrical requirements first, with inventory availability as a secondary consideration.

Q: Can the PMPB13XNE,115 be used in applications requiring 11.8A continuous current?

A: No. The PMPB13XNE,115 is rated for a maximum continuous drain current of 8A at 25°C. Applications requiring 11.8A continuous current must use either the DMN3021LFDF-13 or DMN3021LFDF-7.

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