FDN337N-F169 Equivalent & Substitute Parts

Part Overview

The FDN337N-F169 is an N-Channel MOSFET manufactured by onsemi, rated for 30V drain-to-source voltage with a continuous drain current of 2.2A at 25°C. This device is housed in a SOT-23-3 surface mount package and dissipates a maximum of 500mW. The FDN337N-F169 carries an obsolete product status, making identification of equivalent and substitute parts essential for ongoing design support, production continuity, and component sourcing. The active equivalent FDN337N provides identical electrical and mechanical specifications while maintaining current manufacturing status and availability.

Substiute Parts

FDN337N-F169

onsemiIn Stock: 723FDN337N-F169 Datasheet

Current PartRFQ

FDN337N

onsemiIn Stock: 120174FDN337N Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FDN337N-F169 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

• Drain-to-Source Voltage (Vdss): 30V minimum
• Continuous Drain Current (Id): 2.2A minimum at 25°C
• On-State Resistance (Rds On): 65mOhm maximum at specified conditions
• Gate Threshold Voltage (Vgs(th)): 1V maximum at 250µA
• Gate Charge (Qg): 9nC maximum at 4.5V
• Input Capacitance (Ciss): 300pF maximum at 10V
• Power Dissipation: 500mW minimum
• Operating Temperature Range: -55°C to 150°C minimum

Mechanical Equivalence Criteria:

• Package Type: SOT-23-3 surface mount
• Pin Configuration: 3-pin layout compatible with TO-236-3 / SC-59 standard
• Mounting: Surface mount technology

Compliance Criteria:

• Moisture Sensitivity Level: MSL 1 or better
• REACH Status: REACH Unaffected or compliant
• RoHS Status: ROHS3 Compliant (preferred for active parts)

The FDN337N serves as the direct equivalent to FDN337N-F169, sharing identical electrical ratings and package specifications while offering active product status and superior availability.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: FDN337N

The FDN337N is the direct equivalent replacement for the obsolete FDN337N-F169. Both parts are manufactured by onsemi and share identical electrical specifications, gate charge characteristics, on-state resistance, and thermal ratings. The FDN337N maintains active product status with ROHS3 compliance certification, ensuring long-term availability and regulatory alignment. The SOT-23-3 package footprint is identical, permitting direct board-level substitution without layout modifications. Inventory availability for FDN337N exceeds 120,000 units, supporting production continuity and supply chain stability.

Compliance Considerations:

The FDN337N carries ROHS3 Compliant certification, whereas the obsolete FDN337N-F169 does not specify RoHS status. Both parts maintain REACH Unaffected status and MSL 1 rating, indicating unrestricted moisture sensitivity handling. The FDN337N is suitable for applications requiring regulatory compliance with current environmental directives.

Packaging and Logistics:

The FDN337N is supplied in Cut Tape (CT) and Digi-Reel® packaging formats, providing flexibility for both manual assembly and automated pick-and-place operations. The SOT-23-3 package designation ensures compatibility with standard surface mount assembly equipment and PCB design tools.

Frequently Asked Questions (FAQ)

Q: Can FDN337N directly replace FDN337N-F169 without circuit modifications?

A: Yes. The FDN337N is electrically and mechanically identical to FDN337N-F169 across all specified parameters, including Vdss, Id, Rds On, gate charge, and operating temperature range. The SOT-23-3 package footprint is identical, permitting direct substitution on existing PCB layouts without design changes.

Q: What is the primary reason for substituting FDN337N-F169?

A: The FDN337N-F169 carries obsolete product status, indicating discontinued manufacturing and limited availability. The FDN337N provides an active equivalent with identical specifications and superior supply chain availability, ensuring design continuity and production support.

Q: Are there differences in packaging formats between FDN337N-F169 and FDN337N?

A: The FDN337N-F169 packaging format is not specified in available documentation. The FDN337N is supplied in Cut Tape (CT) and Digi-Reel® formats, both standard for surface mount component distribution. Verify packaging requirements with your procurement department to ensure compatibility with assembly processes.

Q: Does FDN337N meet current environmental compliance standards?

A: Yes. The FDN337N carries ROHS3 Compliant certification and maintains REACH Unaffected status, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.

Q: What is the moisture sensitivity level for FDN337N?

A: The FDN337N carries MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. Components may be stored and handled under standard warehouse conditions without desiccant packaging or baking procedures.

Q: Are the electrical characteristics identical between FDN337N-F169 and FDN337N?

A: Yes. Both parts share identical Vdss (30V), Id (2.2A), Rds On (65mOhm), Vgs(th) (1V), gate charge (9nC), input capacitance (300pF), power dissipation (500mW), and operating temperature range (-55°C to 150°C). No circuit performance differences exist between the two part numbers.

Q: What is the gate charge specification for this MOSFET?

A: The gate charge (Qg) is specified as 9nC maximum at 4.5V. This parameter determines switching speed and gate drive requirements in circuit applications.

Q: Can FDN337N be used in high-temperature applications?

A: Yes. The FDN337N is rated for continuous operation across the temperature range of -55°C to 150°C (TJ), supporting applications requiring extended thermal operating windows.