DMTH4002SCTBQ-13 Equivalent & Substitute Parts

Part Overview

The DMTH4002SCTBQ-13 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 40V drain-to-source voltage with a continuous drain current of 192A at the case temperature (Tc). This device is housed in a Surface Mount TO-263AB (D2PAK) package and is qualified to AEC-Q101 automotive standards. The part is currently in active production status with 1004 units available in inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across all critical parameters. Alternative part numbers may be required due to inventory availability, supply chain considerations, or specific procurement requirements while maintaining identical functional characteristics.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	40	V
Continuous Drain Current (Id) @ 25°C	192	A (Tc)
On-State Resistance (Rds On Max) @ 90A, 10V	3	mOhm
Gate Threshold Voltage (Vgs(th) Max) @ 250µA	4	V
Gate Charge (Qg Max) @ 10V	77.5	nC
Input Capacitance (Ciss Max) @ 20V	7180	pF
Maximum Gate Voltage (Vgs Max)	±20	V
Power Dissipation (Max)	6 (Ta), 166.7 (Tc)	W
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	TO-263AB (D2PAK)	Surface Mount
Qualification Standard	AEC-Q101	Automotive
RoHS Compliance	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the DMTH4002SCTBQ-13 is determined by equivalence across the following critical parameters:

Electrical Parameters:

Drain to Source Voltage (Vdss): 40V
Continuous Drain Current (Id): 192A at Tc
On-State Resistance (Rds On): 3mOhm @ 90A, 10V
Gate Threshold Voltage (Vgs(th)): 4V @ 250µA
Gate Charge (Qg): 77.5nC @ 10V
Input Capacitance (Ciss): 7180pF @ 20V
Maximum Gate Voltage (Vgs): ±20V
Power Dissipation: 6W (Ta), 166.7W (Tc)
Operating Temperature Range: -55°C to 175°C

Mechanical Parameters:

Package Type: TO-263AB (D2PAK)
Mounting Type: Surface Mount
Lead Configuration: 2 Leads + Tab

Compliance Parameters:

Qualification: AEC-Q101 Automotive Grade
RoHS Status: ROHS3 Compliant
REACH Status: REACH Unaffected

Substitute parts must maintain identical values across all electrical specifications, identical package configuration, and equivalent or superior compliance certifications.

Parameter Comparison

Parameter	DMTH4002SCTBQ-13	DMTH4002SCTB-13	Unit
Manufacturer	Diodes Incorporated	Diodes Incorporated	-
FET Type	N-Channel	N-Channel	-
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	-
Drain to Source Voltage (Vdss)	40	40	V
Continuous Drain Current (Id) @ 25°C	192	192	A (Tc)
Drive Voltage (Max Rds On)	10	10	V
Rds On (Max) @ 90A, 10V	3	3	mOhm
Vgs(th) (Max) @ 250µA	4	4	V
Gate Charge (Qg Max) @ 10V	77.5	77.5	nC
Vgs (Max)	±20	±20	V
Input Capacitance (Ciss Max) @ 20V	7180	7180	pF
Power Dissipation (Max)	6 (Ta), 166.7 (Tc)	6 (Ta), 166.7 (Tc)	W
Operating Temperature	-55 to 175	-55 to 175	°C (TJ)
Mounting Type	Surface Mount	Surface Mount	-
Supplier Device Package	TO-263AB (D2PAK)	TO-263AB (D2PAK)	-
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	-
Product Status	Active	Active	-
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	-
REACH Status	REACH Unaffected	REACH Unaffected	-
Qualification	AEC-Q101	Not specified	-
Inventory Status	1004 Pcs New Original In Stock	1076 Pcs New Original In Stock	-

Engineering Selection Recommendations

The DMTH4002SCTB-13 is a direct parametric equivalent to the DMTH4002SCTBQ-13. Both devices are manufactured by Diodes Incorporated and share identical electrical specifications across all critical parameters including Vdss, Id, Rds On, gate charge, and input capacitance. Both are housed in the TO-263AB (D2PAK) Surface Mount package and maintain identical operating temperature ranges.

Both parts are in active production status with current inventory availability. Both devices comply with ROHS3 and REACH requirements. The DMTH4002SCTBQ-13 carries explicit AEC-Q101 automotive qualification, while the DMTH4002SCTB-13 qualification status is not specified in the provided data.

Selection between these parts should be based on procurement requirements, inventory availability, and specific qualification mandates for the application. The DMTH4002SCTBQ-13 is the appropriate choice for applications requiring documented AEC-Q101 automotive qualification. The DMTH4002SCTB-13 is suitable for applications where automotive qualification is not a requirement and where parametric equivalence is the primary selection criterion.

Frequently Asked Questions (FAQ)

Q: Can the DMTH4002SCTB-13 be used as a direct replacement for the DMTH4002SCTBQ-13?

A: The DMTH4002SCTB-13 is a parametric equivalent with identical electrical specifications and package configuration. However, the DMTH4002SCTBQ-13 carries explicit AEC-Q101 automotive qualification. Substitution is appropriate only when automotive qualification is not a requirement for the application.

Q: Are the package dimensions identical between these two parts?

A: Both parts use the TO-263AB (D2PAK) Surface Mount package with identical lead configuration (2 Leads + Tab). Package dimensions and PCB footprints are identical.

Q: What is the difference between the DMTH4002SCTBQ-13 and DMTH4002SCTB-13 part numbers?

A: The primary difference indicated by the part number suffix is the qualification status. The "Q" designation in DMTH4002SCTBQ-13 indicates AEC-Q101 automotive qualification. All other electrical and mechanical parameters are identical.

Q: Are both parts RoHS compliant?

A: Both the DMTH4002SCTBQ-13 and DMTH4002SCTB-13 are ROHS3 compliant and REACH unaffected.

Q: Can these parts be used interchangeably in automotive applications?

A: The DMTH4002SCTBQ-13 is qualified to AEC-Q101 automotive standards and is the appropriate choice for automotive applications. The DMTH4002SCTB-13 does not carry specified automotive qualification and should not be used as a substitute in automotive applications without additional qualification verification.

Q: What is the continuous drain current rating for these devices?

A: Both devices are rated for 192A continuous drain current at the case temperature (Tc).

Q: What is the on-state resistance specification?

A: Both devices have a maximum on-state resistance (Rds On) of 3mOhm measured at 90A drain current and 10V gate-source voltage.

Q: Are these parts suitable for high-temperature applications?

A: Both devices operate across a temperature range of -55°C to 175°C junction temperature (TJ), making them suitable for extended temperature range applications.

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