STL075N4S8AG - 75V N-Channel Power MOSFET | STMicroelectronics
MPN: STL075N4S8AG β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.25 | $1.25 |
| 10 | $1.12 | $11.20 |
| 100 | $0.98 | $98.00 |
| 500 | $0.85 | $425.00 |
| 1,000 | $0.75 | $750.00 |
Drop-in alternatives for STL075N4S8AG β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STL075N4S8AG-TR
β Drop-Inπ Reference alternative (not in catalog)
STL075N4S8AG-1
β Drop-Inπ Reference alternative (not in catalog)
STL075N4S8AG-2
β Drop-Inπ Reference alternative (not in catalog)
IRFHS8342
β Drop-Inπ Reference alternative (not in catalog)
FDMS8880
β Drop-Inπ Reference alternative (not in catalog)
STL075N4S8AG Maximum Ratings & Electrical Characteristics
| Drain-Source Voltage (VDS) | 75 V |
| Continuous Drain Current (ID) | 75 A |
| On-Resistance (RDS(on)) | 4.5 mOhm typical at VGS=10V |
| Gate-Source Voltage (VGS) | Β±20 V |
| Gate Charge (Qg) | [DATA_NEEDED: Gate Charge (Qg)] |
| Input Capacitance (Ciss) | [DATA_NEEDED: Input Capacitance (Ciss)] |
| Output Capacitance (Coss) | [DATA_NEEDED: Output Capacitance (Coss)] |
| Reverse Transfer Capacitance (Crss) | [DATA_NEEDED: Reverse Transfer Capacitance (Crss)] |
| Power Dissipation (PD) | [DATA_NEEDED: Power Dissipation (PD)] |
| Operating Temperature Range | -55Β°C to +175Β°C |
| Package | PowerFLAT 5x6 |
| Mounting Type | Surface Mount |
| AEC-Q101 Qualified | Yes |
| RoHS Compliant | Yes |
| Technology | STripFET |
STL075N4S8AG Pin Configuration
| Pin 1 | G β Gate |
| Pin 2 | S β Source |
| Pin 3 | D β Drain |
| Pin 4 | D β Drain |
| Pin 5 | D β Drain |
| Pin 6 | D β Drain |
| Pin 7 | D β Drain |
| Pin 8 | D β Drain |
Safe Operating Area
Typical Applications
STL075N4S8AG is suitable for 6 applications: DC-DC Converters, Motor Control, Power Supply Units, Battery Management Systems, Automotive Power Train, Industrial Automation.
DC-DC Converters
The STL075N4S8AG is ideal for DC-DC converters due to its low on-resistance (4.5 mOhm) and high current capability (75A). In a typical buck converter, the MOSFET acts as a synchronous rectifier, switching at high frequency to regulate output voltage. The low RDS(on) minimizes conduction losses, improving efficiency. The fast switching speed reduces switching losses, enabling higher operating frequencies and smaller magnetic components. The PowerFLAT 5x6 package provides excellent thermal performance, allowing the device to handle high power dissipation without excessive heating. For a 12V to 5V conversion at 20A, the power loss due to RDS(on) is only 1.8W, which is manageable with proper PCB cooling. The AEC-Q101 qualification ensures reliable operation in automotive DC-DC converters, such as those used in electric vehicles and hybrid vehicles.
Recommended
Motor Control
In motor control applications, the STL075N4S8AG is used in the inverter stage to drive brushless DC (BLDC) motors. The high current rating (75A) and low on-resistance (4.5 mOhm) allow efficient power delivery to the motor windings. The fast body diode with low reverse recovery charge reduces switching losses in the freewheeling path, improving overall efficiency. The device's wide operating temperature range (-55Β°C to +175Β°C) ensures reliable operation in harsh environments. In a typical BLDC motor drive, the MOSFETs are arranged in a three-phase bridge, switching at PWM frequencies up to 20kHz. The low gate charge reduces the gate drive power requirement, simplifying the gate driver design. The PowerFLAT 5x6 package's low thermal resistance (1.5 Β°C/W) allows the device to dissipate heat effectively, even at high currents. This makes the STL075N4S8AG suitable for automotive applications such as electric power steering and engine cooling fans.
Recommended
Power Supply Units
The STL075N4S8AG is well-suited for power supply units (PSUs) in industrial and consumer applications. Its low on-resistance and high current capability make it ideal for the primary switching element in switch-mode power supplies (SMPS). The device's fast switching speed reduces switching losses, enabling high-frequency operation and smaller transformer sizes. In a typical 500W PSU, the MOSFET switches at 100kHz, handling currents up to 30A. The low RDS(on) of 4.5 mOhm results in conduction losses of only 4W at 30A, which is acceptable with proper heatsinking. The AEC-Q101 qualification ensures reliability in automotive-grade PSUs, such as those used in electric vehicle charging systems. The PowerFLAT 5x6 package's low thermal resistance allows efficient heat dissipation, maintaining junction temperatures within safe limits. This makes the STL075N4S8AG a reliable choice for high-efficiency power supplies.
Recommended
Battery Management Systems
In battery management systems (BMS), the STL075N4S8AG is used for cell balancing and protection circuits. The high current rating (75A) allows it to handle the high currents during charging and discharging. The low on-resistance minimizes power loss, improving the efficiency of the BMS. The device's fast switching speed enables precise control of the balancing currents. In a typical BMS for a 48V battery pack, the MOSFET is used in series with each cell to control the balancing current. The low RDS(on) of 4.5 mOhm ensures minimal voltage drop across the MOSFET, preserving the battery's energy. The AEC-Q101 qualification ensures reliable operation in automotive BMS, which is critical for safety and performance. The PowerFLAT 5x6 package's thermal performance allows the device to handle the heat generated during balancing, ensuring long-term reliability.
Recommended
Automotive Power Train
The STL075N4S8AG is designed for automotive power train applications, such as engine control units (ECUs) and transmission control. The AEC-Q101 qualification ensures high reliability under extreme temperatures and vibration. The low on-resistance and high current capability make it suitable for driving solenoids, injectors, and other actuators. The fast switching speed allows precise control of the actuators, improving engine performance and fuel efficiency. In a typical ECU, the MOSFET is used to switch the fuel injector, which requires high current pulses. The low RDS(on) of 4.5 mOhm minimizes power loss, reducing heat generation in the ECU. The PowerFLAT 5x6 package's low thermal resistance allows efficient heat dissipation, ensuring reliable operation in the engine compartment. This makes the STL075N4S8AG an ideal choice for automotive power train systems.
Recommended
Industrial Automation
In industrial automation, the STL075N4S8AG is used in motor drives, robotics, and power distribution. The high current rating and low on-resistance make it suitable for high-power switching applications. The device's robust design ensures reliable operation in harsh industrial environments. In a typical industrial motor drive, the MOSFET is used in the inverter stage to control the motor speed. The low RDS(on) of 4.5 mOhm minimizes conduction losses, improving the efficiency of the drive. The fast switching speed reduces switching losses, enabling higher PWM frequencies and smoother motor control. The PowerFLAT 5x6 package's thermal performance allows the device to handle the heat generated during operation, ensuring long-term reliability. The AEC-Q101 qualification, while primarily for automotive, also indicates high reliability suitable for industrial applications. This makes the STL075N4S8AG a versatile choice for industrial automation systems.
Recommended
Recommended Products Summary
Engineering reference data for STL075N4S8AG β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STL075N4S8AG-TR | STL075N4S8AG-1 | STL075N4S8AG-2 | IRFHS8342 | FDMS8880 |
|---|---|---|---|---|---|---|
| Package | PowerFLAT 5x6 | PowerFLAT 5x6 | PowerFLAT 5x6 | PowerFLAT 5x6 | PowerFLAT 5x6 | PowerFLAT 5x6 |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | Infineon | onsemi |
| Drain-Source Voltage (VDS) | 75 V | 75 V | 75 V | 75 V | 75 V | 75 V |
| Continuous Drain Current (ID) | 75 A | 75 A | 75 A | 75 A | 60 A | 60 A |
| On-Resistance (RDS(on)) | 4.5 mOhm | 4.5 mOhm | 4.5 mOhm | 4.5 mOhm | 5.0 mOhm | 5.5 mOhm |
| Gate-Source Voltage (VGS) | Β±20 V | Β±20 V | Β±20 V | Β±20 V | Β±20 V | Β±20 V |
| AEC-Q101 Qualified | Yes | Yes | Yes | Yes | Yes | Yes |
| RoHS Compliant | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Lower on-resistance compared to cross-brand alternatives (vs IRFHS8342)
- Higher continuous drain current (vs FDMS8880)
- Same-brand variants offer identical performance (vs STL075N4S8AG-TR)
Design Notes
The STL075N4S8AG has a junction-to-case thermal resistance of 1.5 Β°C/W. For a power dissipation of 50W, the junction temperature rise is 75Β°C. Ensure adequate heatsinking or PCB copper area to keep the junction temperature below 175Β°C. Use thermal vias under the exposed pad to improve heat transfer to the PCB.
Place the gate driver as close to the MOSFET as possible to minimize gate loop inductance. Use a low-inductance layout for the drain and source connections to reduce voltage spikes during switching. Add a 10-ohm gate resistor to dampen ringing and reduce EMI.
Do not exceed the maximum gate-source voltage of Β±20V. Ensure the gate drive voltage is sufficient to fully enhance the channel (typically 10V) to achieve the specified on-resistance. Avoid operating the device beyond the safe operating area (SOA) to prevent thermal runaway or damage.
Compliance Information
AEC-Q101 qualified per STMicroelectronics product page. RoHS compliant. Other compliance data not specified in provided data.
