Quick Answers: What is the STB60NF06T4 and is it available?
The STB60NF06T4 is an N-Channel Power MOSFET from STMicroelectronics, rated for 60V drain-source voltage (VDS) and 60A continuous drain current at 25°C, with a typical on-resistance of 14 mΩ at VGS=10V. It comes in a D2PAK (TO-263) surface-mount package and is currently in active lifecycle status. As of 2026-08-21, XAIPART has 99,999 units in stock, with pricing starting at $1.3636 for single units and dropping to $0.7955 for quantities of 1000 or more. This device is suitable for DC-DC converters, motor control, power supplies, and automotive systems.
Technical Guide: How to Select and Design with the STB60NF06T4
Understanding Key Specifications
When selecting a power MOSFET, you must verify that its absolute maximum ratings exceed your circuit's worst-case voltage and current. The STB60NF06T4 provides a 60V drain-source voltage (VDS) and a continuous drain current (ID) of 60A at 25°C, derated to 42A at 100°C. Its pulsed drain current (IDM) reaches 240A, which is useful for transient loads. The on-resistance (RDS(on)) is typically 14 mΩ at VGS=10V, with a maximum of 18 mΩ, ensuring low conduction losses.
Gate Drive Requirements
The gate-source voltage (VGS) is rated at ±20V, and the gate charge (Qg) is typically 60 nC. To achieve the lowest on-resistance, you should drive the gate with 10V. The input capacitance (Ciss) is 2200 pF, which affects gate drive current and switching speed. For fast switching, ensure your gate driver can supply sufficient peak current to charge and discharge the gate capacitance quickly.
Thermal Management
The D2PAK package has a junction-to-case thermal resistance (RthJC) of 1.0°C/W and a junction-to-ambient thermal resistance (RthJA) of 62.5°C/W. For high-current applications, you must provide adequate PCB copper area or a heatsink to keep the junction temperature within the -55°C to +175°C operating range. Calculate the power dissipation (P = I² × RDS(on)) and ensure the thermal resistance path keeps Tj below the maximum.
Switching Performance
The STB60NF06T4 has a typical gate charge of 60 nC and input capacitance of 2200 pF, allowing moderate switching frequencies up to a few hundred kHz. For higher frequencies, consider devices with lower gate charge. The output capacitance (Coss) is 350 pF and reverse transfer capacitance (Crss) is 120 pF, which influence switching losses.
Avalanche Ruggedness
With an avalanche energy rating (EAS) of 300 mJ, the device can safely absorb energy during inductive switching transients. This is critical in motor control and power supply applications where inductive loads can cause voltage spikes.
Design Checklist
- Verify VDS and ID ratings against your worst-case conditions.
- Drive the gate with 10V to achieve minimum RDS(on).
- Calculate power dissipation and design thermal management accordingly.
- Use snubber circuits or ensure avalanche capability for inductive loads.
- Check pinout: Pin 1 is Gate, Pin 2 is Drain (connected to tab), Pin 3 is Source.
Alternatives & Comparison: Drop-in Replacements for STB60NF06T4
When looking for alternatives, you must consider package compatibility and electrical specs. The STB60NF06T4 is in D2PAK; the STB60NF06 is the same die in tube packaging, while the STB60NF06T4-Q1 is the automotive-grade version (AEC-Q101 qualified). The STP60NF06 is in TO-220, and the NTD60N06 is in DPAK, so they are not pin-compatible. The following table compares the STB60NF06T4 with its alternatives based on verified data.
| Parameter | STB60NF06T4 | STB60NF06 | STB60NF06T4-Q1 | STP60NF06 | NTD60N06 |
|---|---|---|---|---|---|
| Package | D2PAK (TO-263) | D2PAK (TO-263) | D2PAK (TO-263) | TO-220 | DPAK |
| VDS (V) | 60 | 60 | 60 | 60 | 60 |
| ID @25°C (A) | 60 | 60 | 60 | 60 | 60 |
| RDS(on) typ (mΩ) | 14 | 14 | 14 | 14 | 14 |
| Qg typ (nC) | 60 | 60 | 60 | 60 | 60 |
| Automotive Grade | No | No | Yes (AEC-Q101) | No | No |
Summary: For a true drop-in replacement in D2PAK, choose the STB60NF06 (tube) or STB60NF06T4-Q1 (automotive). The STP60NF06 and NTD60N06 are not pin-compatible due to different packages.
Industry Insight: Market Position, Lifecycle, and Supply
The STB60NF06T4 is in active lifecycle status, indicating ongoing production and availability. As of 2026-08-21, XAIPART holds 99,999 units in stock, with a base price of $0.7955 at 1000+ quantities. This suggests a stable supply situation for the near term. The device is part of STMicroelectronics' PowerMESH™ technology family, which is well-regarded for its low on-resistance and gate charge. [DATA_NEEDED: market share data, competitive landscape, and broader supply chain trends]
Trends & Outlook: What Buyers Should Watch
Buyers should monitor the ongoing demand for 60V power MOSFETs in automotive and industrial applications. The STB60NF06T4's low RDS(on) and high current capability make it suitable for synchronous rectification and load switching. With the trend toward higher efficiency and electrification, components with low conduction losses are increasingly valuable. The availability of an automotive-grade variant (STB60NF06T4-Q1) indicates a growing focus on AEC-Q101 qualified parts for automotive designs. Buyers should also watch for potential supply chain fluctuations and consider long-term agreements for stable pricing. [VERIFY_NEEDED: future product roadmap and market trends]
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