DMTH3004LFG-13 Equivalent & Substitute Parts

Part Overview

The DMTH3004LFG-13 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 30V drain-to-source voltage with 15A continuous drain current at 25°C (Ta) and 75A at case temperature (Tc). This device is packaged in a PowerDI3333-8 surface mount configuration and is currently in active product status. The part is suitable for power switching applications requiring low on-resistance and high current handling capability.

Equivalent and substitute parts are identified based on matching electrical specifications including voltage rating, current capacity, on-resistance characteristics, and thermal performance parameters. Substitute parts listed in this reference maintain functional compatibility within the specified parameter ranges.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	30	V
Continuous Drain Current @ 25°C (Ta)	15	A
Continuous Drain Current @ Case (Tc)	75	A
On-Resistance (Rds On Max) @ 20A, 10V	5.5	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	3	V
Gate Charge (Qg) @ 10V	44	nC
Input Capacitance (Ciss) @ 15V	2370	pF
Power Dissipation (Ta)	2.5	W
Power Dissipation (Tc)	50	W
Operating Temperature Range	-55 to 175	°C
Package Type	PowerDI3333-8	Surface Mount
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the DMTH3004LFG-13 are qualified based on the following electrical and mechanical parameters:

Primary Matching Criteria:

Drain-to-Source Voltage (Vdss): 30V minimum
Continuous Drain Current: 15A or greater at Ta (25°C)
On-Resistance (Rds On): Comparable or lower values at specified gate voltage
Gate Threshold Voltage: Within acceptable switching range
Operating Temperature Range: Minimum -55°C to 150°C or higher
Mounting Type: Surface Mount
RoHS Compliance: ROHS3 Compliant

Secondary Compatibility Factors:

Package footprint compatibility (8-pin power packages)
Gate charge and input capacitance characteristics
Power dissipation capability
Moisture sensitivity level

The substitute parts listed maintain electrical equivalence within these parameter boundaries, allowing direct functional replacement in applications where the DMTH3004LFG-13 is specified.

Parameter Comparison

Parameter	DMTH3004LFG-13	AON7400A	STL11N3LLH6	Unit
Manufacturer	Diodes Incorporated	Alpha & Omega Semiconductor Inc.	STMicroelectronics	—
Drain-to-Source Voltage (Vdss)	30	30	30	V
Continuous Drain Current @ Ta (25°C)	15	15	11	A
Continuous Drain Current @ Tc	75	40	11	A
On-Resistance (Rds On Max) @ 10V	5.5 @ 20A	7.5 @ 20A	7.5 @ 5.5A	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	3	2.5	1	V
Gate Charge (Qg) @ Vgs	44 @ 10V	24 @ 10V	17 @ 4.5V	nC
Input Capacitance (Ciss) @ Vds	2370 @ 15V	1380 @ 15V	1690 @ 24V	pF
Power Dissipation (Ta)	2.5	3.1	2	W
Power Dissipation (Tc)	50	25	50	W
Operating Temperature Range	-55 to 175	-55 to 150	-55 to 150	°C
Package Type	PowerDI3333-8	8-DFN-EP (3x3)	PowerFlat™ (3.3x3.3)	—
Product Status	Active	Not For New Designs	Active	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—

Engineering Selection Recommendations

DMTH3004LFG-13 (Primary Part)

The DMTH3004LFG-13 is the recommended selection for new designs. This part maintains active product status with Diodes Incorporated, ensuring long-term availability and supply chain stability. The device offers the highest continuous drain current at case temperature (75A Tc) and the widest operating temperature range (-55°C to 175°C), providing superior thermal performance and extended operational capability. ROHS3 compliance and REACH unaffected status confirm regulatory alignment.

AON7400A (Substitute - Limited Use)

The AON7400A from Alpha & Omega Semiconductor Inc. is electrically compatible at the 15A Ta rating and 30V Vdss specification. However, this part carries a "Not For New Designs" product status, indicating manufacturer discontinuation trajectory. The case temperature current rating (40A Tc) is lower than the primary part, and the maximum operating temperature is limited to 150°C. This substitute is suitable only for legacy system maintenance or replacement applications where design changes are not feasible. ROHS3 compliance is maintained.

STL11N3LLH6 (Substitute - Active Alternative)

The STL11N3LLH6 from STMicroelectronics is an active product suitable for new designs. This part meets the 30V Vdss and 15A Ta specifications with equivalent thermal performance (50W Tc power dissipation). The continuous drain current at case temperature is rated at 11A Tc, which is lower than the primary part but sufficient for applications not requiring maximum thermal headroom. The part features lower gate charge (17 nC) and input capacitance (1690 pF), resulting in faster switching characteristics. Operating temperature range is -55°C to 150°C. ROHS3 compliance and active product status support long-term design viability.

Frequently Asked Questions (FAQ)

Q: Can the AON7400A directly replace the DMTH3004LFG-13 in existing designs?

A: The AON7400A is electrically compatible at the 15A Ta and 30V Vdss ratings. However, the "Not For New Designs" status indicates the part is in end-of-life phase. For existing production, compatibility depends on thermal requirements. The AON7400A delivers 40A at case temperature versus 75A for the DMTH3004LFG-13. If the application operates within the AON7400A thermal envelope, substitution is functionally viable. Verify thermal modeling and current distribution before implementation.

Q: What are the key differences between the STL11N3LLH6 and DMTH3004LFG-13?

A: Both parts share the 30V Vdss rating and 15A Ta continuous drain current. The STL11N3LLH6 has lower gate charge (17 nC versus 44 nC) and lower input capacitance (1690 pF versus 2370 pF), enabling faster switching transitions. The STL11N3LLH6 case temperature current is 11A Tc compared to 75A Tc for the DMTH3004LFG-13. The STL11N3LLH6 maximum operating temperature is 150°C versus 175°C for the primary part. Both are ROHS3 compliant and actively supported.

Q: Are the package footprints interchangeable between these three parts?

A: No. The DMTH3004LFG-13 uses PowerDI3333-8 packaging, the AON7400A uses 8-DFN-EP (3x3), and the STL11N3LLH6 uses PowerFlat™ (3.3x3.3). While all are 8-pin surface mount packages with similar thermal performance, the physical footprints differ. PCB layout modifications are required for substitution. Verify pad dimensions and thermal via patterns before board redesign.

Q: Which substitute part is recommended for new product designs?

A: The STL11N3LLH6 is the recommended substitute for new designs. It maintains active product status with STMicroelectronics, ensuring supply continuity. The part meets all electrical specifications for the 15A Ta and 30V Vdss application class. The lower gate charge and input capacitance provide switching efficiency benefits. The AON7400A should not be selected for new designs due to its end-of-life status.

Q: How do on-resistance values affect substitution decisions?

A: On-resistance directly impacts power dissipation and thermal performance. The DMTH3004LFG-13 specifies 5.5 mOhm maximum at 20A and 10V gate voltage. The AON7400A specifies 7.5 mOhm at the same conditions, resulting in approximately 36% higher resistive losses. The STL11N3LLH6 specifies 7.5 mOhm but at a lower current (5.5A). For applications with continuous high current operation, the lower on-resistance of the primary part provides thermal advantage. Verify power budget compatibility when substituting higher on-resistance alternatives.

Q: What compliance certifications apply to all three parts?

A: All three parts are ROHS3 compliant and REACH unaffected. Moisture sensitivity level is 1 (Unlimited) for all devices, indicating no moisture bake-out requirement. ECCN classification is EAR99 for all parts, and HTSUS code 8541.29.0095 applies uniformly. These certifications support unrestricted use in commercial and industrial applications across regulated markets.

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