DESCRIPTION

· The PYD1398 is a dual-element detector with a serial opposed format, utilizing two pyroceramic-based elements.

· It features an internal FET in a source follower configuration for signal connection.

· Enhanced EMI immunity is achieved through an internal filtering circuit on both drain and source connections.

· The large window design allows for a very wide field of view.

FEATURES

· TO-5 metal housing provides effective EMI shielding.

· High responsivity ceramic pyroelectric elements ensure reliable detection.

· Dual detector with 2mm elements for precise sensing.

· 120° field-of-view for broad coverage.

· Integrated FET in source follower configuration for efficient signal processing.

· Integrated EMI filtering stage on drain and source connections for improved performance.

· Enhanced reliability under high thermal and mechanical stress conditions.

APPLICATIONS

· Ideal for horizontal mounting applications.

· Optimal for cost-effective design solutions.

· Suitable for long-distance human motion detection when used with a lens.

· Effective in energy-saving applications.

· Used in intrusion alarm systems for security purposes.