AO7413 MOSFET P-Channel 20V 1.4A SC70-3 Equivalent & Substitute Parts

Part Overview

The AO7413 is a P-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc., designed for surface mount applications in the SC-70-3 package. This device operates at 20V drain-to-source voltage with a continuous drain current rating of 1.4A at 25°C and a maximum power dissipation of 350mW. The AO7413 is classified as "Not For New Designs," indicating that while the part remains available in inventory, Alpha & Omega Semiconductor Inc. has discontinued active development and support for this model. Identifying equivalent and substitute parts is necessary for design continuity, long-term supply chain management, and transition to actively supported alternatives that meet or exceed the original specifications.

Substiute Parts

AO7413

Alpha & Omega Semiconductor Inc.In Stock: 60386AO7413 Datasheet

Current PartRFQ

AOSN21319C

Alpha & Omega Semiconductor Inc.In Stock: 6108AOSN21319C Datasheet

MFR RecommendedRFQ

PMF170XP,115

Nexperia USA Inc.In Stock: 11861PMF170XP,115 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AO7413 is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• FET Type: P-Channel topology required
• Drain to Source Voltage (Vdss): Minimum 20V (equal or greater)
• Continuous Drain Current (Id): Minimum 1.4A at 25°C (equal or greater)
• Package Type: SC-70-3 or SOT-323 (mechanical compatibility)
• Operating Temperature Range: -55°C to 150°C (TJ) minimum
• RoHS3 Compliance: Required
• Moisture Sensitivity Level (MSL): 1 (Unlimited) preferred

Secondary Compatibility Parameters:

• Rds On (Max): Lower or equal values indicate improved performance
• Power Dissipation (Max): Equal or greater capacity
• Vgs (Max): ±12V minimum gate voltage rating

The substitute parts listed below meet or exceed all primary criteria and maintain compatibility with existing circuit designs using the AO7413.

Parameter Comparison

Engineering Selection Recommendations

AOSN21319C (Alpha & Omega Semiconductor Inc.) — Recommended Primary Substitute

The AOSN21319C is the manufacturer-recommended substitute for the AO7413. This part maintains P-Channel topology and SC-70-3 package compatibility while providing enhanced electrical performance. The AOSN21319C offers a higher drain-to-source voltage rating (30V versus 20V), increased continuous drain current capacity (2.6A versus 1.4A), and superior power dissipation capability (1.1W versus 350mW). The device exhibits lower on-resistance (100 mOhm @ 2.6A, 10V compared to 113 mOhm @ 1.4A, 10V), resulting in reduced thermal generation and improved efficiency. The AOSN21319C carries Active product status with full manufacturer support, RoHS3 compliance, and MSL 1 rating. This part is suitable for direct replacement in applications where the original AO7413 specifications are met or exceeded.

PMF170XP,115 (Nexperia USA Inc.) — Alternative Substitute

The PMF170XP,115 provides an alternative substitution path from a different manufacturer. This device maintains the 20V drain-to-source voltage rating and SC-70-3 package compatibility. However, the continuous drain current rating is lower at 1A compared to the AO7413's 1.4A, and the on-resistance is higher at 200 mOhm @ 1A, 4.5V. The PMF170XP,115 is suitable for applications where the original 1.4A current requirement can be reduced or where the circuit design permits operation at lower current levels. This part carries Active product status, RoHS3 compliance, and MSL 1 rating. The PMF170XP,115 is available in Tape & Reel packaging and offers an alternative supply source from Nexperia USA Inc.

Selection Basis:

Both substitute parts satisfy the mandatory substitution criteria: P-Channel topology, minimum 20V Vdss rating, surface mount SC-70-3/SOT-323 package compatibility, -55°C to 150°C operating temperature range, RoHS3 compliance, and MSL 1 rating. The AOSN21319C is recommended as the primary substitute due to its enhanced performance specifications and manufacturer recommendation status. The PMF170XP,115 serves as an alternative for applications with reduced current requirements or where supply diversification is necessary.

Frequently Asked Questions (FAQ)

Q: Can the AOSN21319C directly replace the AO7413 in existing designs?

A: Yes. The AOSN21319C is the manufacturer-recommended substitute and maintains full mechanical and electrical compatibility. The higher voltage rating (30V versus 20V), increased current capacity (2.6A versus 1.4A), and improved power dissipation (1.1W versus 350mW) ensure that the AOSN21319C meets or exceeds all AO7413 specifications. No circuit modifications are required.

Q: What is the key difference between the AOSN21319C and PMF170XP,115?

A: The primary difference is the continuous drain current rating. The AOSN21319C provides 2.6A capacity, while the PMF170XP,115 is rated for 1A. Additionally, the AOSN21319C offers a higher drain-to-source voltage rating (30V versus 20V) and lower on-resistance. The AOSN21319C is recommended for applications requiring the full 1.4A current of the original AO7413. The PMF170XP,115 is suitable only for applications where current requirements are 1A or lower.

Q: Are all substitute parts available in the same package?

A: Yes. All parts listed—AO7413, AOSN21319C, and PMF170XP,115—are available in the SC-70-3 or SOT-323 surface mount package. Mechanical compatibility is maintained across all three devices, allowing for direct board-level substitution without layout modifications.

Q: Why is the AO7413 marked as "Not For New Designs"?

A: The "Not For New Designs" status indicates that Alpha & Omega Semiconductor Inc. has discontinued active development and support for this model. While existing inventory remains available, the manufacturer recommends using the AOSN21319C for new designs. This status does not affect the functionality or reliability of existing AO7413 units in current production.

Q: Do all substitute parts meet RoHS3 and MSL requirements?

A: Yes. Both the AOSN21319C and PMF170XP,115 are RoHS3 compliant and carry MSL 1 (Unlimited) ratings, matching the compliance profile of the original AO7413. All parts are suitable for applications requiring environmental and moisture sensitivity compliance.

Q: What is the on-resistance difference between the AO7413 and its substitutes?

A: The AO7413 exhibits 113 mOhm on-resistance @ 1.4A, 10V. The AOSN21319C provides 100 mOhm @ 2.6A, 10V, representing improved performance. The PMF170XP,115 has 200 mOhm @ 1A, 4.5V, which is higher but acceptable for lower-current applications. Lower on-resistance reduces power dissipation and thermal generation.

Q: Can the PMF170XP,115 be used in applications requiring 1.4A continuous current?

A: No. The PMF170XP,115 is rated for a maximum continuous drain current of 1A at 25°C, which is below the AO7413's 1.4A specification. Using the PMF170XP,115 in applications requiring 1.4A would exceed the device's rated capacity and result in thermal stress and potential failure. The AOSN21319C is the appropriate substitute for applications requiring the full 1.4A current rating.

Q: What is the gate voltage rating difference between the AO7413 and AOSN21319C?

A: The AO7413 has a maximum gate voltage rating of ±12V, while the AOSN21319C is rated for ±20V. The higher gate voltage rating of the AOSN21319C provides additional design margin and flexibility in gate drive circuit design. Both ratings are compatible with standard gate drive circuits operating at ±12V or lower.