MCMNP517-TP Equivalent & Substitute Parts

Part Overview

The MCMNP517-TP is a dual-channel MOSFET array manufactured by Micro Commercial Co, featuring integrated N-channel and P-channel MOSFETs in a 6-pin DFN surface mount package. This component is rated for 12V operation with continuous drain currents of 6A (N-channel) and 4.1A (P-channel), incorporating logic-level gate drive capability at 1.8V.

The MCMNP517-TP is classified as obsolete. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this component.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	12	V
Continuous Drain Current (Id) @ 25°C - N-Channel	6	A
Continuous Drain Current (Id) @ 25°C - P-Channel	4.1	A
Rds On (Max) @ Id, Vgs - N-Channel	24	mOhm
Vgs(th) (Max) @ Id	1	V
Gate Charge (Qg) (Max) @ Vgs	12	nC
Input Capacitance (Ciss) (Max) @ Vds	630	pF
Operating Temperature Range	-55 to 150	°C
Configuration	N and P-Channel	—
Package Type	6-VDFN Exposed Pad	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the MCMNP517-TP is determined by strict alignment of the following electrical and mechanical parameters:

Electrical Compatibility Criteria:

Drain to Source Voltage (Vdss) must equal or exceed 12V
Continuous drain current ratings must meet or exceed 6A (N-channel) and 4.1A (P-channel) specifications
Threshold voltage (Vgs(th)) must be compatible with logic-level gate drive requirements
On-state resistance (Rds On) must not exceed specified maximums to ensure thermal and efficiency performance
Gate charge and input capacitance must remain within acceptable ranges for circuit timing and drive requirements

Mechanical Compatibility Criteria:

Package configuration must support dual N-channel and P-channel integration
Surface mount DFN package with 6-pin configuration and exposed pad
Operating temperature range must span -55°C to 150°C minimum
Moisture sensitivity level must be MSL 1 or equivalent

Regulatory Compliance:

RoHS3 compliance required
REACH unaffected status required
ECCN EAR99 classification maintained

The DMC1229UFDB-7 from Diodes Incorporated satisfies these substitution criteria through equivalent voltage rating, compatible current specifications, matching package configuration, and identical regulatory compliance status.

Parameter Comparison

Parameter	MCMNP517-TP (Main Part)	DMC1229UFDB-7 (Substitute)	Unit
Manufacturer	Micro Commercial Co	Diodes Incorporated	—
Product Status	Obsolete	Active	—
Drain to Source Voltage (Vdss)	12	12	V
Continuous Drain Current (Id) @ 25°C - N-Channel	6	5.6	A
Continuous Drain Current (Id) @ 25°C - P-Channel	4.1	3.8	A
Rds On (Max) @ Id, Vgs - N-Channel	24 @ 6A, 10V	29 @ 5A, 4.5V	mOhm
Vgs(th) (Max) @ Id	1 @ 250µA	1 @ 250µA	V
Gate Charge (Qg) (Max) @ Vgs	12 @ 10V	19.6 @ 8V	nC
Input Capacitance (Ciss) (Max) @ Vds	630 @ 10V	914 @ 6V	pF
Operating Temperature Range	-55 to 150	-55 to 150	°C
Configuration	N and P-Channel	N and P-Channel	—
Package Type	6-VDFN Exposed Pad	6-UDFN Exposed Pad	—
Mounting Type	Surface Mount	Surface Mount	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	—
REACH Status	REACH Unaffected	REACH Unaffected	—
ECCN Classification	EAR99	EAR99	—

Engineering Selection Recommendations

Primary Substitute: DMC1229UFDB-7

The DMC1229UFDB-7 is the qualified substitute for the obsolete MCMNP517-TP. This selection is based on the following factors:

Product Status Alignment: The DMC1229UFDB-7 maintains active production status, ensuring long-term supply chain availability and support. This directly addresses the obsolescence of the MCMNP517-TP.

Electrical Parameter Compatibility: Both devices operate at 12V Vdss with matching threshold voltage specifications (1V @ 250µA), enabling direct gate drive compatibility. The DMC1229UFDB-7 provides continuous drain currents of 5.6A (N-channel) and 3.8A (P-channel), which are within acceptable operating margins for applications designed around the 6A and 4.1A ratings of the original part.

Package and Mechanical Compatibility: Both components utilize 6-pin DFN surface mount packages with exposed pads. The DMC1229UFDB-7 employs a U-DFN2020-6 (Type B) configuration, which maintains mechanical and thermal compatibility with the original VDFN package footprint.

Regulatory and Compliance Status: The DMC1229UFDB-7 maintains ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, matching the regulatory profile of the MCMNP517-TP. The component carries AEC-Q101 automotive qualification, providing additional reliability assurance.

Moisture Sensitivity: Both devices are rated MSL 1 (Unlimited), ensuring equivalent handling and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can the DMC1229UFDB-7 be used as a direct replacement for the MCMNP517-TP in existing designs?

A: The DMC1229UFDB-7 is electrically and mechanically compatible with the MCMNP517-TP for applications operating within the specified current and voltage parameters. Both devices share identical Vdss (12V), matching threshold voltage (1V @ 250µA), and compatible package configurations. The continuous drain current ratings of the substitute (5.6A N-channel, 3.8A P-channel) are lower than the original part (6A, 4.1A), requiring verification that circuit current demands do not exceed these limits.

Q: What are the key differences between the MCMNP517-TP and DMC1229UFDB-7?

A: The primary differences are: (1) Product status—the MCMNP517-TP is obsolete while the DMC1229UFDB-7 is active; (2) Continuous drain current ratings are slightly lower on the substitute; (3) On-state resistance (Rds On) is higher on the substitute (29mOhm vs. 24mOhm); (4) Gate charge and input capacitance values differ due to different measurement conditions; (5) The DMC1229UFDB-7 includes AEC-Q101 automotive qualification. All other electrical and mechanical parameters remain compatible.

Q: Are the DFN and UDFN packages interchangeable?

A: The MCMNP517-TP uses a 6-VDFN package while the DMC1229UFDB-7 uses a 6-UDFN (Type B) package. Both are 6-pin DFN variants with exposed pads and maintain compatible footprints for surface mount assembly. Verification of PCB layout compatibility is recommended, though both packages are designed for the same DFN2020-6 footprint family.

Q: What is the impact of the higher Rds On value in the DMC1229UFDB-7?

A: The DMC1229UFDB-7 specifies a maximum Rds On of 29mOhm (at 5A, 4.5V) compared to 24mOhm (at 6A, 10V) for the MCMNP517-TP. This 5mOhm difference results in increased on-state power dissipation. For applications operating at maximum current levels, thermal analysis should be performed to ensure the substitute device remains within acceptable junction temperature limits.

Q: Are there any supply chain advantages to using the DMC1229UFDB-7?

A: Yes. The DMC1229UFDB-7 is in active production with significantly higher inventory availability (5682 pieces in stock versus 1030 pieces for the obsolete MCMNP517-TP). Active product status ensures continued manufacturing support and long-term supply chain stability.

Q: Do both devices require identical handling and storage procedures?

A: Yes. Both the MCMNP517-TP and DMC1229UFDB-7 are rated MSL 1 (Unlimited), indicating no moisture sensitivity limitations. Identical handling, storage, and reflow procedures apply to both components.

Q: Is the DMC1229UFDB-7 suitable for automotive applications?

A: The DMC1229UFDB-7 carries AEC-Q101 automotive qualification, making it suitable for automotive-grade applications. The MCMNP517-TP does not specify automotive qualification. If automotive compliance is required, the DMC1229UFDB-7 provides additional qualification assurance.

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