MCQ4406-TP N-Channel 30V 10A MOSFET Equivalent & Substitute Parts

Part Overview

The MCQ4406-TP is an N-Channel 30V 10A surface mount MOSFET manufactured by Micro Commercial Co in an 8-SOP package. This device is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing production and maintenance applications. The part operates at a maximum junction temperature of 150°C with a maximum power dissipation of 1.4W and is RoHS3 compliant with unlimited moisture sensitivity rating.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	30	V
Continuous Drain Current (Id) @ 25°C	10	A
Rds On (Max) @ Id, Vgs	16 mOhm @ 10A, 4.5V	—
Gate Threshold Voltage (Vgs(th)) @ Id	3 V @ 250µA	—
Power Dissipation (Max)	1.4	W
Operating Temperature (TJ)	150	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the MCQ4406-TP is determined by the following critical parameters:

Mandatory Compatibility Criteria:

FET Type: N-Channel
Drain to Source Voltage (Vdss): 30V minimum
Package / Case: 8-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Performance Criteria:

Continuous Drain Current (Id) @ 25°C: 10A or greater
Rds On (Max): 16 mOhm or lower at rated conditions
Power Dissipation: 1.4W or greater
Operating Temperature: 150°C or higher

Substitute parts are grouped into two categories: direct upgrades with enhanced specifications and functionally equivalent alternatives with comparable electrical characteristics. All substitute parts maintain the same 8-SOIC package footprint and surface mount configuration, ensuring mechanical and electrical compatibility with existing PCB designs.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Power Dissipation (W)	Operating Temp (°C)	Product Status	Package
MCQ4406-TP	Micro Commercial Co	30	10	16 @ 10A, 4.5V	1.4	150	Obsolete	8-SOIC
MCQ4406A-TP	Micro Commercial Co	30	12	12 @ 8A, 10V	2.5	-55 to 150	Active	8-SOIC
DMN4800LSSQ-13	Diodes Incorporated	30	8.6	14 @ 9A, 10V	1.46	-55 to 150	Active	8-SOIC
IRF7807ZTRPBF	Infineon Technologies	30	11	13.8 @ 11A, 10V	2.5	-55 to 150	Not For New Designs	8-SOIC
IRF8113TRPBF	Infineon Technologies	30	17.2	5.6 @ 17.2A, 10V	2.5	-55 to 150	Not For New Designs	8-SOIC
IRL6342TRPBF	Infineon Technologies	30	9.9	14.6 @ 9.9A, 4.5V	2.5	-55 to 150	Not For New Designs	8-SOIC
RS3E095BNGZETB	Rohm Semiconductor	30	9.5	14.6 @ 9.5A, 10V	2	-55 to 150	Active	8-SOIC
RS3E135BNGZETB	Rohm Semiconductor	30	9.5	14.6 @ 9.5A, 10V	2	-55 to 150	Active	8-SOIC

Engineering Selection Recommendations

Primary Recommendation: MCQ4406A-TP

The MCQ4406A-TP is the direct successor to the MCQ4406-TP, manufactured by the same supplier (Micro Commercial Co). This part maintains the same base product number (MCQ4406) and package configuration while offering enhanced electrical performance. The MCQ4406A-TP provides 12A continuous drain current versus 10A, increased power dissipation capability (2.5W versus 1.4W), and extended operating temperature range (-55°C to 150°C). Product status is Active, ensuring long-term availability and supply chain stability. This part is the preferred choice for direct replacement in new designs and production transitions.

Secondary Recommendations for Active Status:

RS3E095BNGZETB and RS3E135BNGZETB (Rohm Semiconductor) are both Active products with 30V Vdss rating and 9.5A continuous drain current. These parts provide comparable performance to the MCQ4406-TP with improved power dissipation (2W) and extended temperature range. Both parts are functionally equivalent and suitable for applications where the original part is unavailable.

Alternative Options (Not For New Designs):

IRF7807ZTRPBF, IRF8113TRPBF, and IRL6342TRPBF (Infineon Technologies HEXFET series) are classified as Not For New Designs but remain available in inventory. These parts meet or exceed the electrical specifications of the MCQ4406-TP and maintain the same 8-SOIC package. Selection of these parts is limited to legacy system support and maintenance applications only.

Marginal Substitute:

DMN4800LSSQ-13 (Diodes Incorporated) provides 8.6A continuous drain current, which is below the original 10A specification. This part is suitable only for applications where the actual operating current is confirmed to be below 8.6A. The part carries AEC-Q101 automotive qualification and is Active status.

All recommended substitutes maintain RoHS3 compliance, unlimited moisture sensitivity rating (MSL 1), and 8-SOIC package compatibility.

Frequently Asked Questions (FAQ)

Q: Can the MCQ4406-TP be directly replaced with the MCQ4406A-TP on existing PCBs?

A: Yes. Both parts share identical 8-SOIC package dimensions (0.154", 3.90mm width) and pinout configuration. The MCQ4406A-TP is a direct pin-compatible upgrade with superior electrical specifications. No PCB modifications are required.

Q: What is the primary difference between the MCQ4406-TP and MCQ4406A-TP?

A: The MCQ4406A-TP provides higher continuous drain current (12A versus 10A), increased power dissipation capability (2.5W versus 1.4W), and extended operating temperature range (-55°C to 150°C versus 0°C to 150°C). The MCQ4406A-TP is Active status, while the original is Obsolete.

Q: Are the Infineon HEXFET parts (IRF7807ZTRPBF, IRF8113TRPBF, IRL6342TRPBF) suitable for new designs?

A: No. These parts are classified as Not For New Designs. They are available for legacy system support and maintenance only. For new designs, use MCQ4406A-TP or the Rohm Semiconductor RS3E series.

Q: Why is DMN4800LSSQ-13 listed as a marginal substitute?

A: The DMN4800LSSQ-13 provides 8.6A continuous drain current, which is below the MCQ4406-TP specification of 10A. This part is suitable only for applications where actual operating current is confirmed to be below 8.6A. Verify circuit requirements before selection.

Q: Do all substitute parts maintain the same package footprint?

A: Yes. All listed substitute parts use the 8-SOIC package with 0.154" (3.90mm) width. Mechanical compatibility with existing PCB designs is maintained across all alternatives.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1), matching the compliance profile of the original MCQ4406-TP.

Q: What is the difference between RS3E095BNGZETB and RS3E135BNGZETB?

A: Both parts are electrically identical with 30V Vdss, 9.5A continuous drain current, and 2W power dissipation. The designation difference (095 versus 135) reflects internal Rohm product line categorization but does not affect electrical performance or compatibility.

Q: Can I use IRF8113TRPBF as a direct replacement?

A: IRF8113TRPBF is mechanically compatible (8-SOIC package) and electrically superior (17.2A, 5.6 mOhm Rds On). However, this part is Not For New Designs. Use only for legacy system maintenance where the original part is unavailable and new design alternatives cannot be implemented.

Q: What should I consider when selecting between active and obsolete substitute parts?

A: For new production and long-term applications, select Active status parts (MCQ4406A-TP, RS3E095BNGZETB, RS3E135BNGZETB, DMN4800LSSQ-13). Parts classified as Not For New Designs should be used only for existing system support where supply chain continuity is critical and design changes are not feasible.

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