FQB13N06TM Equivalent & Substitute Parts

Part Overview

The FQB13N06TM is an N-Channel MOSFET manufactured by onsemi, rated for 60V drain-to-source voltage with 13A continuous drain current in a surface mount D2PAK package. This device is classified as obsolete, making identification of equivalent and substitute parts necessary for ongoing design support, maintenance, and production continuity. The part operates across a temperature range of -55°C to 175°C and is suitable for applications requiring moderate current switching at 60V levels.

Substiute Parts

FQB13N06TM

onsemiIn Stock: 963FQB13N06TM Datasheet

Current PartRFQ

STB16NF06LT4

STMicroelectronicsIn Stock: 16204STB16NF06LT4 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the FQB13N06TM is determined by the following critical electrical and mechanical parameters:

Voltage Rating Compatibility: The substitute part must maintain the same 60V Vdss rating to ensure safe operation within the original circuit design envelope.

Current Capability: The substitute must meet or exceed the 13A continuous drain current specification. Higher current ratings provide design margin and improved thermal performance.

Package Compatibility: The substitute must use the same D2PAK (TO-263-3) surface mount package to ensure mechanical and thermal interface compatibility with existing PCB layouts.

On-Resistance Characteristics: The substitute's Rds On must be equal to or lower than the original specification to maintain or improve switching efficiency and thermal performance.

Temperature Range: The substitute must support the full -55°C to 175°C operating temperature range.

Gate Drive Voltage: The substitute must be compatible with the gate drive voltage levels used in the original circuit design.

The STB16NF06LT4 meets all substitution criteria through equivalent voltage rating, superior current capability (16A vs. 13A), identical package type, improved on-resistance characteristics, and full temperature range compatibility.

Parameter Comparison

Engineering Selection Recommendations

The STB16NF06LT4 is a direct substitute for the FQB13N06TM based on the following engineering criteria:

Electrical Equivalence: Both devices share identical 60V Vdss ratings and support the full -55°C to 175°C operating temperature range. The STB16NF06LT4 provides superior current handling (16A vs. 13A) and lower on-resistance (90 mOhm vs. 135 mOhm), resulting in improved thermal performance and reduced power dissipation in switching applications.

Package Compatibility: Both parts use the TO-263-3 (D2PAK) surface mount package, ensuring direct PCB layout compatibility without redesign.

Product Status and Availability: The FQB13N06TM is classified as obsolete, while the STB16NF06LT4 maintains active product status with 16,120 pieces in stock. This availability difference supports long-term supply chain continuity.

Compliance and Certifications: Both devices are REACH Unaffected and classified under ECCN EAR99. The STB16NF06LT4 carries RoHS3 compliance certification, meeting modern regulatory requirements.

Thermal Performance: The STB16NF06LT4's lower on-resistance and higher current rating provide improved thermal characteristics, reducing junction temperature rise in equivalent operating conditions.

Frequently Asked Questions (FAQ)

Q: Can the STB16NF06LT4 directly replace the FQB13N06TM without circuit modifications?

A: Yes. Both devices share identical 60V Vdss ratings, D2PAK package geometry, and -55°C to 175°C temperature ranges. The STB16NF06LT4's superior current rating (16A vs. 13A) and lower on-resistance (90 mOhm vs. 135 mOhm) provide improved performance margins without requiring circuit redesign.

Q: What are the key differences between these two MOSFETs?

A: The primary differences are current capability (16A vs. 13A), on-resistance (90 mOhm vs. 135 mOhm at 10V), gate threshold voltage characteristics (1V minimum vs. 4V maximum), and product status (active vs. obsolete). The STB16NF06LT4 offers superior electrical performance across all switching parameters.

Q: Are there any gate drive voltage compatibility concerns?

A: Both devices support ±25V and ±16V maximum gate-source voltages respectively. The STB16NF06LT4's lower gate threshold voltage (1V minimum) may require verification of gate drive circuit behavior at low drive voltages, though standard 10V gate drive levels are fully compatible with both devices.

Q: Does the D2PAK package ensure thermal compatibility?

A: Yes. Both devices use identical TO-263-3 (D2PAK) surface mount packages with the same thermal interface characteristics. PCB layout, thermal vias, and heat sink mounting remain unchanged between the two parts.

Q: What is the significance of the STB16NF06LT4's lower on-resistance?

A: Lower on-resistance (90 mOhm vs. 135 mOhm) reduces conduction losses and heat generation during switching operations. This results in lower junction temperatures, improved efficiency, and extended device lifetime in equivalent operating conditions.

Q: Is the STB16NF06LT4 suitable for new designs?

A: Yes. The STB16NF06LT4 maintains active product status with full availability and RoHS3 compliance, making it suitable for both replacement applications and new design implementations.