Si4980DY is a dual N-channel 80V (D-S) MOSFET from Vishay Siliconix. It has a maximum voltage of 80V and a maximum current of 3.7A. Its minimum on-resistance is 0.075 ohms.
The Si4980DY is a dual N‑channel MOSFET designed for high‑voltage applications up to 80 V. It offers low on‑resistance and high current capability, making it suitable for power conversion and switching circuits.
The datasheet provides absolute maximum ratings, typical electrical characteristics, and thermal performance data such as junction‑to‑ambient resistance and power dissipation limits. Graphs illustrate output and transfer characteristics across temperature ranges.
| Drain‑Source Voltage (Vds) | 80 V |
|---|---|
| Gate‑Source Voltage (Vgs) | +20 V |
| Continuous Drain Current (Ta = 70 °C) | 29 A |
| On‑Resistance (Rds(on)) at Vgs=10 V | 0.095 Ω |
The device is rated for a maximum drain‑source voltage of 80 V.
The typical on‑state resistance is about 0.095 Ω at a gate voltage of 10 V.