Overview
The SI7461DP-T1-GE3 is a low-RDS(on) N-channel power MOSFET designed for high-efficiency synchronous power conversion. It is widely used in DC-DC buck converters, point-of-load regulators, and industrial power supplies, where low conduction loss, high current capability, and thermal performance are required.
The SI7461DP-T1-E3 variant shares the same electrical characteristics, differing mainly in packaging or environmental compliance for manufacturing flexibility.
Core Parameters

| Parameter | Specification |
|---|---|
| Device Type | N-Channel Power MOSFET |
| Drain-Source Voltage (VDSS) | 30 V |
| Continuous Drain Current (ID) | 60 A |
| RDS(on) (max) | 6.6 mΩ @ VGS=8 V |
| Gate Charge (QG) | 48 nC |
| Package | Dual MOSFET in 5×6 mm LSON |
| Operating Temp Range | –55°C to +150°C |
These parameters make the device suitable for high-current, high-efficiency DC-DC conversion, especially where low on-resistance and compact footprint are critical.
Features
- Extremely low RDS(on) for reduced conduction losses
- Dual MOSFET arrangement optimized for synchronous buck stages
- High continuous current capability
- Low gate charge for efficient high-frequency switching
- Compact 5×6 mm LSON package
- Compatible with logic-level gate drive
- Proven rugged performance in demanding environments
Typical Application Scenarios
- Synchronous DC-DC converters for embedded power
- Point-of-load supplies in servers and telecom equipment
- Battery-powered and portable power systems
- Solar microinverters and energy systems
- High-efficiency motor drive power stages
The TPS48111LQDGXRQ1 buck controller is often paired with the SI7461DP-T1-GE3 power MOSFET to implement efficient synchronous DC-DC converters. The low-loss SI7461DP-T1-GE3 enhances conduction efficiency and improves thermal performance in embedded power and industrial supply designs.
Performance Comparison
| Feature | SI7461DP-T1-GE3 | Standard MOSFET | SiC MOSFET |
|---|---|---|---|
| RDS(on) | Very Low | Higher | Very Low |
| Switching Loss | Low | Medium | Low |
| Current Capability | High | Medium | High |
| Cost | Moderate | Low | Higher |
| Package Footprint | Compact | Larger | Medium |
Compared with standard MOSFETs, the SI7461DP-T1-GE3 offers lower conduction loss and higher current handling in a compact package. While SiC MOSFETs may deliver even lower losses, the SI7461DP provides a cost-effective solution for many synchronous power stages.
Conclusion
The SI7461DP-T1-GE3 is a high-performance power MOSFET suited for designers seeking efficient, low-loss switching devices in compact DC-DC and power conversion applications. Its combination of high current capability, low on-resistance, and optimized switching characteristics makes it ideal for modern embedded and industrial power supplies.
Manufacturer Profile

Vishay Intertechnology is a global leader in discrete semiconductors and passive components. Its MOSFET portfolio is trusted in automotive, industrial, and consumer markets for performance, reliability, and wide application support. Vishay’s commitment to quality and innovation has established it as a key supplier for power electronics designers worldwide.
FAQ
Q1: What makes SI7461DP-T1-GE3 suitable for power conversion?
Its very low RDS(on) and high current handling allow efficient power transfer with minimal losses in DC-DC converters and point-of-load applications.
Q2: What is the maximum drain-source voltage of this MOSFET?
The device is rated for 30 V drain-source voltage, suitable for many low-voltage power rails.
Q3: Can SI7461DP-T1-GE3 support high switching frequencies?
Yes. Its low gate charge and optimized package allow efficient operation at higher switching frequencies for compact power designs.
Q4: How can the quality of SI7461DP-T1-GE3 be verified?
7SEtronic has a standardized quality inspection SOP, including label verification, visual inspection, and X-RAY analysis, to ensure authenticity and reliable performance reference.
For more information and to review our available inventory, please contact our team for detailed pricing, current stock levels, and any additional technical support you may need.
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