SCT3017AL
650V 118A trench-gate SiC MOSFET featuring ultra-low 17mΩ Rds(on) in TO-247-4L Kelvin source package for highest efficiency applications.
Product Overview
Description
The SCT3017AL is a 650V 118A Silicon Carbide MOSFET featuring industry-leading 17mΩ on-resistance. This device is Rohm's highest performance 650V SiC MOSFET, designed for applications where maximum efficiency and power density are critical.
The trench-gate technology delivers exceptional performance with ultra-low conduction losses. The TO-247-4L package with Kelvin source connection enables fast switching and reduced switching losses. The device is fully AEC-Q101 qualified for automotive applications.
With its industry-leading low Rds(on), the SCT3017AL enables system designers to achieve the highest possible efficiency in EV traction inverters, high-power motor drives, and other demanding applications.
Product Series
SCT Series
Primary Application
High-power EV traction inverters
Key Features
- 650V blocking voltage
- 118A continuous drain current
- Industry-leading Rds(on) = 17mΩ typical
- Trench-gate technology
- TO-247-4L with Kelvin source
- 175°C maximum junction temperature
- AEC-Q101 qualified
Specifications
| Voltage Rating | 650V |
|---|---|
| Current Rating | 118A |
| Rds(on) | 17mΩ |
| Temperature Range | -40°C to +175°C |
| Package | TO-247-4L |
Applications
High-power EV traction inverters
Automotive and EV electronics
High-performance motor drives
Motor drive and control systems
High-power SMPS
Power conversion and supply
Energy storage systems
Renewable energy systems
FAE Expert Insights
"The SCT3017AL is Rohm's flagship 650V SiC MOSFET with an incredible 17mΩ Rds(on). This is the device to use when you need maximum efficiency in high-current applications. For 150kW+ traction inverters, this device delivers 98.5%+ efficiency. The 118A current rating handles high-power applications with ease. While the cost is higher than lower-performance alternatives, the efficiency gains and reduced cooling requirements often justify the investment. Highly recommended for premium EV and high-performance industrial applications."
Industry-leading 17mΩ Rds(on) for maximum efficiency
— Michael Chen, BeiLuo
Frequently Asked Questions
What applications benefit most from SCT3017AL's low Rds(on)?
SCT3017AL optimal applications: (1) High-power traction - 150kW+ EV inverters. (2) High-current motor drives - Industrial servo systems. (3) High-power SMPS - Data center power supplies. (4) Energy storage - Large-scale battery inverters. (5) Any application where 1% efficiency gain is worth the investment. (6) Thermally constrained designs - Lower losses reduce cooling. (7) Premium EVs - Where maximum range is critical. The 17mΩ Rds(on) delivers measurable benefits in high-current applications.
Use SCT3017AL for high-power applications where maximum efficiency justifies the premium cost.
How much efficiency improvement does SCT3017AL provide?
SCT3017AL efficiency benefits: (1) Vs 22mΩ - 0.5% higher efficiency at 100A. (2) Vs IGBT - 2-3% higher efficiency. (3) Traction inverter - 98.5%+ achievable. (4) Conduction losses - 23% lower than 22mΩ device. (5) System impact - 500W less heat in 100kW system. (6) Cooling - Smaller heatsink possible. (7) Payback - Efficiency gains offset cost in high-utilization applications. The efficiency improvement is significant in high-current applications.
Calculate total cost of ownership including cooling savings to justify the premium.
What is the current rating of SCT3017AL?
SCT3017AL current capabilities: (1) Continuous - 118A at 25°C case. (2) At 100°C case - ~80A continuous. (3) Pulse current - 300A for 1ms. (4) Practical limit - 100-120A for continuous operation. (5) Thermal limited - Depends on heatsink and cooling. (6) Safe operating area - Defined in datasheet. (7) Derating - Apply appropriate margin for reliability. The 118A rating makes this suitable for very high-power applications.
Design for 80-100A continuous with proper thermal management.
What makes SCT3017AL's Rds(on) so low?
SCT3017AL low Rds(on) technology: (1) Advanced trench-gate - Optimized cell structure. (2) Larger die size - More silicon area for current flow. (3) Advanced process - State-of-the-art SiC manufacturing. (4) Material quality - High-quality SiC substrates. (5) Cell density - High channel density design. (6) 17mΩ at 25°C - Best-in-class for 650V. (7) Temperature stability - Low increase at high Tj. Rohm's continuous innovation enables this industry-leading performance.
Rohm's advanced trench-gate technology and larger die enable the 17mΩ performance.
Is SCT3017AL suitable for automotive applications?
SCT3017AL automotive qualifications: (1) AEC-Q101 - Full automotive qualification. (2) Grade 0 - -40°C to +175°C. (3) PPAP available - For production approval. (4) Traceability - Full lot traceability. (5) Reliability - Proven in field applications. (6) Screening - 100% screening. (7) Quality - Japanese manufacturing standards. Fully qualified for the most demanding automotive applications including EV traction inverters.
Fully qualified for automotive; ideal for premium EV traction inverters.
What is the lead time for SCT3017AL?
SCT3017AL supply information: (1) Standard lead time - 8-10 weeks. (2) Reason - High demand and premium positioning. (3) Stock - Limited inventory due to specialty nature. (4) Forecasting - Recommend long-term forecasting. (5) Allocation - Contact BeiLuo for allocation. (6) Alternatives - SCT3022AL for shorter lead time. (7) Planning - Plan procurement well in advance. The longer lead time reflects the premium nature and high demand for this device.
Plan 8-10 week lead time; consider SCT3022AL if shorter lead time needed.