Based on this product's specifications, here are some alternatives and similar models
AC adapter Dell 180W 19.5V 3-pin (MPN 450-AHZD)
Summary description:
Dell AC adapter 180W, output 19.5V, 3‑pin connector (MPN 450-AHZD). Designed to power and charge compatible Dell notebooks requiring 180W input. Includes integrated cable and 3‑pin mains connection for stable power delivery. Suitable for office, travel, or home use where original-spec replacement power is needed.