DMTH8008LFG-13 N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The DMTH8008LFG-13 is an N-Channel 80 V MOSFET manufactured by Diodes Incorporated in the PowerDI3333-8 surface mount package. This device is rated for 17 A continuous drain current (Ta) and 70 A (Tc), with a maximum on-resistance of 6.9 mOhm at 20 A and 10 V gate-source voltage. The part is active in production status and ROHS3 compliant.

Equivalent and substitute parts are identified based on matching electrical characteristics, package specifications, and compliance certifications. Substitution becomes necessary when the primary part number experiences supply constraints, inventory limitations, or when design flexibility across qualified variants is required.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
Drain to Source Voltage (Vdss)	80	V
Continuous Drain Current @ 25°C (Ta)	17	A
Continuous Drain Current @ 25°C (Tc)	70	A
Rds On (Max) @ 20A, 10V	6.9	mOhm
Gate Threshold Voltage (Vgs(th)) @ 1mA	2.5	V
Gate Charge (Qg) @ 10V	37.7	nC
Input Capacitance (Ciss) @ 40V	2254	pF
Power Dissipation (Ta)	1.2	W
Power Dissipation (Tc)	50	W
Operating Temperature Range	-55 to 175	°C
Package / Case	8-PowerVDFN	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the DMTH8008LFG-13 is determined by equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Drain to Source Voltage (Vdss): 80 V
Continuous Drain Current: 17 A (Ta), 70 A (Tc)
On-Resistance (Rds On): 6.9 mOhm @ 20A, 10V
Gate Threshold Voltage: 2.5 V @ 1mA
Gate Charge: 37.7 nC @ 10V
Input Capacitance: 2254 pF @ 40V
Operating Temperature Range: -55°C to 175°C

Mechanical & Packaging Equivalence Criteria:

Package Type: 8-PowerVDFN (PowerDI3333-8)
Mounting: Surface Mount, Tape & Reel
Pin Configuration: Identical

Compliance Equivalence Criteria:

RoHS3 Compliance
REACH Unaffected Status

All substitute parts listed maintain identical electrical performance specifications and package footprints. Variants designated with the "Q" suffix (DMTH8008LFGQ-7, DMTH8008LFGQ-13) include automotive-grade qualification (AEC-Q101) and MSL Level 1 moisture sensitivity rating, representing enhanced reliability grades suitable for automotive applications.

Parameter Comparison

Parameter	DMTH8008LFG-13	DMTH8008LFG-7	DMTH8008LFGQ-13	DMTH8008LFGQ-7
Manufacturer	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated
FET Type	N-Channel	N-Channel	N-Channel	N-Channel
Vdss	80 V	80 V	80 V	80 V
Id (Ta)	17 A	17 A	17 A	17 A
Id (Tc)	70 A	70 A	70 A	70 A
Rds On (Max)	6.9 mOhm	6.9 mOhm	6.9 mOhm	6.9 mOhm
Vgs(th)	2.5 V	2.5 V	2.5 V	2.5 V
Gate Charge (Qg)	37.7 nC	37.7 nC	37.7 nC	37.7 nC
Ciss	2254 pF	2254 pF	2254 pF	2254 pF
Power Dissipation (Ta)	1.2 W	1.2 W	1.2 W	1.2 W
Power Dissipation (Tc)	50 W	50 W	50 W	50 W
Operating Temperature	-55 to 175°C	-55 to 175°C	-55 to 175°C	-55 to 175°C
Package	8-PowerVDFN	8-PowerVDFN	8-PowerVDFN	8-PowerVDFN
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade	—	—	AEC-Q101	AEC-Q101
MSL Rating	—	—	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

Standard Industrial Applications: The DMTH8008LFG-13 and DMTH8008LFG-7 are functionally equivalent for general-purpose switching and power conversion applications. Both variants maintain identical electrical specifications and ROHS3 compliance. Selection between these two standard-grade parts is determined by inventory availability and supply chain considerations.

Automotive and High-Reliability Applications: The DMTH8008LFGQ-13 and DMTH8008LFGQ-7 are qualified to AEC-Q101 automotive standards with MSL Level 1 moisture sensitivity rating. These variants are required for automotive-grade designs, harsh environment applications, and systems requiring enhanced reliability documentation. The "Q" designation indicates automotive qualification; the numeric suffix (-7 or -13) denotes tape reel configuration and does not affect electrical performance.

Compliance Considerations: All four substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across industrial and consumer applications.

Inventory and Lead Time: Current inventory levels vary across part numbers. DMTH8008LFGQ-13 maintains the highest stock level (6886 pcs), followed by DMTH8008LFGQ-7 (2296 pcs), DMTH8008LFG-7 (796 pcs), and DMTH8008LFG-13 (968 pcs). Selection based on availability does not compromise electrical or mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can DMTH8008LFG-13 be directly replaced with DMTH8008LFG-7?

A: Yes. Both parts are electrically and mechanically identical. The numeric suffix (-13 or -7) indicates the tape reel configuration and does not affect device performance, pin configuration, or package footprint. Direct substitution is valid for all applications.

Q: What is the difference between standard-grade (LFG) and automotive-grade (LFGQ) variants?

A: The LFGQ variants include AEC-Q101 automotive qualification and MSL Level 1 moisture sensitivity rating. Electrical specifications remain identical. Automotive-grade parts are required for automotive applications and systems requiring enhanced reliability documentation. Standard-grade parts are suitable for general industrial and consumer applications.

Q: Are the DMTH8008LFGQ variants pin-compatible with DMTH8008LFG variants?

A: Yes. All four part numbers use the identical 8-PowerVDFN package with matching pin configuration, footprint, and electrical interface. PCB layout and schematic connections require no modification when substituting between variants.

Q: Can automotive-grade DMTH8008LFGQ parts be used in non-automotive applications?

A: Yes. Automotive-grade parts exceed the requirements of standard industrial applications. DMTH8008LFGQ variants can be used as direct replacements in any application where DMTH8008LFG parts are specified, providing enhanced reliability margins.

Q: What does the MSL Level 1 rating on LFGQ variants indicate?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture bake-out requirements. The part can be stored indefinitely under standard conditions without degradation of solderability or performance characteristics.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All four part numbers (DMTH8008LFG-13, DMTH8008LFG-7, DMTH8008LFGQ-13, DMTH8008LFGQ-7) are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for industrial and consumer markets.

Q: Can these MOSFETs be used interchangeably in high-temperature applications?

A: Yes. All variants maintain identical operating temperature range (-55°C to 175°C junction temperature) and thermal characteristics. Substitution does not affect thermal performance or reliability in temperature-extreme environments.

Q: What is the significance of the PowerDI3333-8 package designation?

A: PowerDI3333-8 is the supplier device package designation for the 8-PowerVDFN form factor. This package provides optimized thermal performance for power switching applications through enhanced copper area and thermal vias. All substitute parts use this identical package.

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