Based on this product's specifications, here are some alternatives and similar models
Projector Lamp CoreParts ML12609 270 W
Summary description:
The CoreParts ML12609 projector lamp offers a powerful 270 W output with a service life of 5000 hours. Compatible with Panasonic models PT-BX620, PT-BX621C, PT-VW530, PT-VW535, and PT-VX600, this lamp ensures bright and clear projections for your presentations. Made in China, it is a reliable choice for enhancing your viewing experience.