AON7804_102 Equivalent & Substitute Parts

Part Overview

The AON7804_102 is a dual N-channel MOSFET array manufactured by Alpha & Omega Semiconductor Inc., designed for surface mount applications in 8-DFN (3x3) packaging. This device features a 30V drain-to-source voltage rating with 9A continuous drain current capability and 21mOhm on-resistance, making it suitable for low-power switching and gate driver applications requiring logic-level gate control.

The AON7804_102 carries an obsolete product status. Identification of equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for applications utilizing this component.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	30	V
Current - Continuous Drain (Id) @ 25°C	9	A
Rds On (Max) @ Id, Vgs	21	mOhm @ 8A, 10V
Vgs(th) (Max) @ Id	2.4	V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	18	nC @ 10V
Input Capacitance (Ciss) (Max) @ Vds	888	pF @ 15V
Power - Max	3.1	W
Operating Temperature Range	-55 to 150	°C (TJ)
Configuration	2 N-Channel (Dual)
FET Feature	Logic Level Gate
Package / Case	8-PowerSMD, Flat Leads
Supplier Device Package	8-DFN (3x3)
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the AON7804_102 is determined by electrical and mechanical parameter equivalence within the MOSFET category. The following parameters establish substitution validity:

Electrical Parameters (Critical):

Drain to Source Voltage (Vdss): 30V
Continuous Drain Current (Id): 9A
On-Resistance (Rds On): 21mOhm @ 8A, 10V
Gate Threshold Voltage (Vgs(th)): 2.4V @ 250µA
Gate Charge (Qg): 18nC @ 10V
Input Capacitance (Ciss): 888pF @ 15V
Maximum Power Dissipation: 3.1W
Operating Temperature Range: -55°C to 150°C

Mechanical Parameters (Critical):

Configuration: 2 N-Channel (Dual)
FET Feature: Logic Level Gate
Package Type: 8-DFN (3x3)
Mounting Type: Surface Mount
Lead Style: Flat Leads (8-PowerSMD)

Compliance Parameters:

Moisture Sensitivity Level: 1 (Unlimited)
REACH Status: REACH Unaffected
ECCN: EAR99
HTSUS: 8541.29.0095

Substitute parts must match all critical electrical and mechanical parameters to ensure functional and physical compatibility within existing circuit designs and PCB layouts.

Parameter Comparison

Parameter	AON7804_102 (Main Part)	AON7804 (Substitute)	Match Status
Manufacturer	Alpha & Omega Semiconductor Inc.	Alpha & Omega Semiconductor Inc.	Identical
Category	Transistors, FETs, MOSFETs	Transistors, FETs, MOSFETs	Identical
Description	MOSFET 2N-CH 30V 9A 8DFN	MOSFET 2N-CH 30V 9A 8DFN	Identical
Configuration	2 N-Channel (Dual)	2 N-Channel (Dual)	Identical
Drain to Source Voltage (Vdss)	30V	30V	Identical
Current - Continuous Drain (Id) @ 25°C	9A	9A	Identical
Rds On (Max) @ Id, Vgs	21mOhm @ 8A, 10V	21mOhm @ 8A, 10V	Identical
Vgs(th) (Max) @ Id	2.4V @ 250µA	2.4V @ 250µA	Identical
Gate Charge (Qg) (Max) @ Vgs	18nC @ 10V	18nC @ 10V	Identical
Input Capacitance (Ciss) (Max) @ Vds	888pF @ 15V	888pF @ 15V	Identical
Power - Max	3.1W	3.1W	Identical
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	Identical
FET Feature	Logic Level Gate	Logic Level Gate	Identical
Package / Case	8-PowerSMD, Flat Leads	8-PowerSMD, Flat Leads	Identical
Supplier Device Package	8-DFN (3x3)	8-DFN (3x3)	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical
ECCN	EAR99	EAR99	Identical
HTSUS	8541.29.0095	8541.29.0095	Identical
Product Status	Obsolete	Active	Substitute is Active
Packaging	Bulk	Tape & Reel (TR)	Different Packaging Format

Engineering Selection Recommendations

The AON7804 serves as the direct substitute for the obsolete AON7804_102. Both parts are manufactured by Alpha & Omega Semiconductor Inc. and share identical electrical specifications, mechanical configuration, and compliance certifications.

Product Status Consideration: The AON7804_102 is classified as obsolete, while the AON7804 maintains active product status. Selection of the AON7804 ensures access to current manufacturing inventory and ongoing supplier support.

Compliance and Certification: Both the main part and substitute are REACH Unaffected and classified under ECCN EAR99. Both carry MSL 1 (Unlimited) moisture sensitivity rating, indicating no special moisture handling requirements during storage or assembly.

Packaging Difference: The primary distinction between these parts is packaging format. The AON7804_102 is supplied in bulk packaging, while the AON7804 is supplied in Tape & Reel (TR) format. This difference does not affect electrical or mechanical compatibility and reflects standard manufacturing and distribution practices for active versus obsolete product lines.

Design Compatibility: All electrical parameters, including voltage ratings, current ratings, on-resistance, gate characteristics, and thermal specifications, are identical. The 8-DFN (3x3) package footprint and surface mount configuration remain unchanged, ensuring direct PCB layout compatibility without design modification.

Frequently Asked Questions (FAQ)

Q: Can the AON7804 directly replace the AON7804_102 in existing designs?

A: Yes. The AON7804 is electrically and mechanically identical to the AON7804_102. All critical parameters including Vdss (30V), Id (9A), Rds On (21mOhm), gate characteristics, and package configuration (8-DFN 3x3) are matched. No circuit design changes are required.

Q: What is the difference between AON7804_102 and AON7804?

A: The AON7804_102 is an obsolete variant supplied in bulk packaging. The AON7804 is the active production equivalent supplied in Tape & Reel (TR) format. Electrical and mechanical specifications are identical.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts carry identical compliance certifications: REACH Unaffected status, EAR99 ECCN classification, and MSL 1 (Unlimited) moisture sensitivity rating. HTSUS classification is identical at 8541.29.0095.

Q: Does the Tape & Reel packaging of the AON7804 affect compatibility?

A: No. Tape & Reel packaging is a distribution format that does not affect the electrical or mechanical properties of the component. The actual device remains identical in all functional and physical characteristics.

Q: What are the key electrical parameters that define substitution for this MOSFET?

A: Substitution is determined by matching: Drain-to-Source Voltage (30V), Continuous Drain Current (9A), On-Resistance (21mOhm @ 8A, 10V), Gate Threshold Voltage (2.4V @ 250µA), Gate Charge (18nC @ 10V), Input Capacitance (888pF @ 15V), and Operating Temperature Range (-55°C to 150°C).

Q: Can the AON7804 be used in high-temperature applications?

A: Yes. The AON7804 supports the full operating temperature range of -55°C to 150°C (junction temperature), identical to the AON7804_102. This range accommodates both industrial and extended-temperature applications.

Q: Is the 8-DFN (3x3) package footprint identical between both parts?

A: Yes. Both the AON7804_102 and AON7804 use the 8-DFN (3x3) package with 8-PowerSMD flat leads. PCB layouts and reflow profiles require no modification.

Q: What is the maximum power dissipation for this MOSFET?

A: The maximum power dissipation is 3.1W for both the AON7804_102 and AON7804. Thermal design considerations remain unchanged when substituting between these parts.

Q: Are there inventory considerations when switching from AON7804_102 to AON7804?

A: The AON7804 maintains significantly higher inventory availability (10,656 pcs) compared to the obsolete AON7804_102 (736 pcs). Selection of the AON7804 provides improved supply chain reliability and reduced lead times.

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