STH60N099DM9-2AG - 60V, 99mOhm N-Channel Power MOSFET | STMicroelectronics
MPN: STH60N099DM9-2AG ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.65 | $16.50 |
| 100 | $1.45 | $145.00 |
| 500 | $1.3 | $650.00 |
| 1,000 | $1.2 | $1,200.00 |
Drop-in alternatives for STH60N099DM9-2AG — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
STH60N099DM6-2AG
✅ Drop-In📋 Reference alternative (not in catalog)
STH60N099DM9-2AG
✅ Drop-In✓ 99,999 In Stock
$1.2 / Unit
View Datasheet →STH60N099DM9-2AG Maximum Ratings & Electrical Characteristics
| Polarity | N-Channel |
| Drain-Source Voltage (VDS) | 60 V |
| Continuous Drain Current (ID) at 25°C | 60 A |
| On-Resistance (RDS(on)) at VGS=10V | 99 mOhm |
| Gate-Source Voltage (VGS) | ±20 V |
| Gate Charge (Qg) | 45 nC |
| Input Capacitance (Ciss) | 1800 pF |
| Output Capacitance (Coss) | 250 pF |
| Reverse Transfer Capacitance (Crss) | 50 pF |
| Power Dissipation (PD) | 100 W |
| Operating Junction Temperature | -55°C to +175°C |
| Package | PowerFLAT 5x6 |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Halogen Free | Yes |
STH60N099DM9-2AG Pin Configuration
| Pin 1 | G — Gate |
| Pin 2 | D — Drain |
| Pin 3 | S — Source |
| Pin 4 | D — Drain |
| Pin 5 | D — Drain |
| Pin 6 | S — Source |
Safe Operating Area
Typical Applications
STH60N099DM9-2AG is suitable for 6 applications: DC-DC Converters, Motor Control, Power Supplies, Battery Management Systems, Automotive Applications, Industrial Power.
DC-DC Converters
The STH60N099DM9-2AG is ideal for DC-DC converters, particularly synchronous buck topologies. Its low on-resistance (99mOhm) minimizes conduction losses, while the low gate charge (45nC) enables efficient high-frequency switching. In a typical 48V-to-12V buck converter, the device can handle high currents with minimal power dissipation, improving overall efficiency. The PowerFLAT 5x6 package's low thermal resistance (1.5°C/W) allows effective heat dissipation, ensuring reliable operation under continuous load. Designers should ensure proper gate drive (10V) to achieve the lowest RDS(on) and use appropriate snubber circuits to manage switching transients.
Recommended
Motor Control
In motor control applications, the STH60N099DM9-2AG provides high current capability (60A) and fast switching, making it suitable for driving brushed and brushless DC motors. The low on-resistance reduces heat generation in the MOSFET, while the wide operating temperature range (-55°C to +175°C) ensures reliability in demanding environments. For a three-phase BLDC motor driver, the device can be used in the low-side or high-side switches, with proper gate drivers and dead-time control to prevent shoot-through. The body diode's fast reverse recovery minimizes losses during freewheeling. Designers should consider adding a heatsink or adequate PCB copper area to manage power dissipation at high currents.
Recommended
Power Supplies
The STH60N099DM9-2AG is well-suited for power supply applications, including AC-DC and DC-DC converters. Its 60V drain-source voltage rating provides ample margin for 48V systems, and the low on-resistance ensures high efficiency. In a typical flyback converter, the device can be used as the primary switch, where its fast switching reduces switching losses. The low gate charge simplifies the gate drive circuit, reducing component count. The PowerFLAT 5x6 package's thermal performance allows for compact power supply designs without bulky heatsinks. Designers should ensure proper snubber circuits to manage voltage spikes and maintain EMI compliance.
Recommended
Battery Management Systems
In battery management systems (BMS), the STH60N099DM9-2AG is used for cell balancing and protection circuits. Its high current rating (60A) allows it to handle large currents during charging and discharging, while the low on-resistance minimizes power loss. The device's wide operating temperature range ensures reliable operation in automotive and industrial environments. In a typical BMS, the MOSFET is used in series with the battery pack to disconnect the load in case of overcurrent or overvoltage conditions. The fast switching capability enables quick response to fault conditions. Designers should ensure proper gate drive and protection against reverse polarity.
Recommended
Automotive Applications
The STH60N099DM9-2AG is suitable for automotive applications such as electric power steering, DC-DC converters, and motor drives. Its 60V rating is compatible with 12V and 48V automotive systems, and the high current capability supports demanding loads. The device's ruggedness and wide temperature range make it reliable in harsh automotive environments. In a typical automotive DC-DC converter, the MOSFET is used in a synchronous buck topology to step down the battery voltage to 3.3V or 5V for microcontrollers and sensors. The low on-resistance reduces heat generation, improving system efficiency. Designers should ensure compliance with AEC-Q101 standards if required.
Recommended
Industrial Power
In industrial power systems, the STH60N099DM9-2AG is used in power supplies, motor drives, and welding equipment. Its high voltage and current ratings make it suitable for 48V industrial buses and high-power loads. The low on-resistance and fast switching reduce losses, improving system efficiency. The device's robust construction ensures long-term reliability in harsh industrial environments. In a typical industrial power supply, the MOSFET is used in a full-bridge or half-bridge topology, where its fast body diode recovery minimizes losses. Designers should consider thermal management and EMI filtering to meet industrial standards.
Recommended
Recommended Products Summary
Engineering reference data for STH60N099DM9-2AG — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STH60N099DM6-2AG | IPB60N099S7-20 | NVMFS5C604N |
|---|---|---|---|---|
| Package | PowerFLAT 5x6 | PowerFLAT 5x6 | D2PAK | SO-8FL |
| Brand | STMicroelectronics | STMicroelectronics | Infineon | onsemi |
| Drain-Source Voltage (VDS) | 60 V | 60 V | 60 V | 60 V |
| Continuous Drain Current (ID) | 60 A | 60 A | 60 A | 60 A |
| On-Resistance (RDS(on)) | 99 mOhm | 60 mOhm | 99 mOhm | 80 mOhm |
| Gate Charge (Qg) | 45 nC | 60 nC | 50 nC | 40 nC |
| Power Dissipation (PD) | 100 W | 100 W | 100 W | 100 W |
| Operating Temperature Range | -55°C to +175°C | -55°C to +175°C | -55°C to +175°C | -55°C to +175°C |
Key Differentiators
- Lower gate charge for high-frequency switching (vs STH60N099DM6-2AG)
- Optimized for efficiency in DC-DC converters (vs IPB60N099S7-20)
- Compact PowerFLAT 5x6 package (vs NVMFS5C604N)
Design Notes
The STH60N099DM9-2AG can dissipate up to 100W. The PowerFLAT 5x6 package has a thermal resistance of 1.5°C/W (junction-to-case). For continuous operation at high currents, ensure adequate PCB copper area and thermal vias to keep the junction temperature below 175°C. For example, at 60A and RDS(on)=99mOhm, power dissipation is approximately 356W, which exceeds the package's capability; derating is required. Use a heatsink or forced air cooling for high-power applications.
Place the gate drive circuit close to the MOSFET to minimize parasitic inductance. Use a 10Ω gate resistor to dampen ringing. Ensure the source connection is low-inductance to avoid voltage spikes during switching. For high-current paths, use wide copper traces and multiple vias to reduce resistance and inductance.
Do not exceed the maximum gate-source voltage of ±20V. Use a gate driver with appropriate voltage regulation. Ensure the drain-source voltage does not exceed 60V, especially during transients. Add a snubber circuit or TVS diode to clamp voltage spikes. Verify that the thermal design accounts for worst-case power dissipation.
Compliance Information
RoHS compliant and halogen-free per STMicroelectronics datasheet. Not AEC-Q100 qualified; for automotive use, check if AEC-Q101 qualification is required.
