Overview
The STS1DNC45 is a dual N-channel power MOSFET from STMicroelectronics, part of the SuperMESH™ series. This series is optimized from ST's well-established strip-based PowerMESH™ layout, significantly reducing on-resistance and enhancing dv/dt capability for demanding applications. The STS1DNC45 is designed for high-voltage applications and complements ST's full range of high-voltage MOSFETs, including the revolutionary MDmesh™ products.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDS) | 450 | V |
| Drain-Source On Resistance (RDS(on)) | 4.1 | Ω |
| Continuous Drain Current (ID) at TC = 25°C | 0.4 | A |
| Pulsed Drain Current (IDM) | 1.6 | A |
| Gate-Source Voltage (VGS) | ±30 | V |
| Gate Threshold Voltage (VGS(th)) | 2.3 - 3.7 | V |
| Total Dissipation at TC = 25°C (Dual Operation) | 1.6 | W |
| Operating Junction Temperature (Tj) | -65 to 150 | °C |
| Thermal Resistance Junction-ambient (Rthj-amb) Max Single Operation | 62.5 | °C/W |
Key Features
- Typical RDS(on) = 4.1 Ω, minimizing on-resistance.
- Gate charge minimized for efficient switching.
- Standard SO-8 outline for easy automated surface mount assembly.
- Excellent dv/dt capability for demanding applications.
- Compliant with RoHS and Ecopack2 standards.
Applications
- Switch mode low power supplies (SMPS).
- DC-DC converters.
- Low power, low cost compact fluorescent lamps (CFL).
- Low power battery chargers.
Q & A
- What is the maximum drain-source voltage of the STS1DNC45? The maximum drain-source voltage is 450 V.
- What is the typical on-resistance of the STS1DNC45? The typical on-resistance is 4.1 Ω.
- What is the continuous drain current rating at 25°C? The continuous drain current rating at 25°C is 0.4 A.
- What is the maximum operating junction temperature? The maximum operating junction temperature is 150°C.
- What package type does the STS1DNC45 use? The STS1DNC45 uses an SO-8 package.
- Is the STS1DNC45 RoHS compliant? Yes, the STS1DNC45 is RoHS compliant and meets Ecopack2 standards.
- What are some typical applications of the STS1DNC45? Typical applications include switch mode low power supplies, DC-DC converters, low power CFLs, and low power battery chargers.
- What is the gate-source voltage range for the STS1DNC45? The gate-source voltage range is ±30 V.
- What is the thermal resistance junction-ambient for single operation? The thermal resistance junction-ambient for single operation is 62.5 °C/W.
- Can the STS1DNC45 be used in high dv/dt applications? Yes, the STS1DNC45 is designed to handle high dv/dt applications.
