{"id":3507,"date":"2026-02-28T08:30:14","date_gmt":"2026-02-28T13:30:14","guid":{"rendered":"https:\/\/pirhome.com\/?p=3506"},"modified":"2026-02-28T08:30:14","modified_gmt":"2026-02-28T13:30:14","slug":"murata-smd-pyroelectric-sensors-2026","status":"publish","type":"post","link":"http:\/\/www.pirhome.com\/?p=3507","title":{"rendered":"Murata Announces New SMD Pyroelectric Sensors for Compact Designs"},"content":{"rendered":"<h2>February 2026 \u2013 Murata Targets Wearables with Miniature SMD PIR Sensors<\/h2>\n<p>Murata has announced an expansion of its pyroelectric infrared sensor lineup with new surface-mount device (SMD) packages designed for compact and wearable applications. The new sensors maintain the performance of traditional TO-5 packages while occupying significantly less board space.<\/p>\n<h2>New SMD Series Highlights<\/h2>\n<h3>IRA-S230ST01 \u2013 Ultra-Compact SMD<\/h3>\n<ul>\n<li><strong>Package:<\/strong> 4.0mm \u00d7 4.0mm \u00d7 2.0mm SMD<\/li>\n<li><strong>Elements:<\/strong> Dual-element (differential)<\/li>\n<li><strong>Spectral Response:<\/strong> 7-14 \u00b5m with integrated filter<\/li>\n<li><strong>Responsivity:<\/strong> 3.0 kV\/W typical<\/li>\n<li><strong>Operating Voltage:<\/strong> 2.0-15V (external circuit)<\/li>\n<li><strong>Operating Temperature:<\/strong> -40\u00b0C to +85\u00b0C<\/li>\n<\/ul>\n<h3>IRA-E700 Series \u2013 Low-Profile SMD<\/h3>\n<ul>\n<li><strong>Package:<\/strong> 5.0mm \u00d7 5.0mm \u00d7 1.5mm SMD<\/li>\n<li><strong>Elements:<\/strong> Single-element (for specific applications)<\/li>\n<li><strong>Features:<\/strong> Integrated JFET, low power consumption<\/li>\n<li><strong>Target:<\/strong> Wearables, smart watches, hearables<\/li>\n<\/ul>\n<h2>Key Advantages for Compact Designs<\/h2>\n<p>The new SMD packages offer several benefits for product designers:<\/p>\n<ul>\n<li><strong>Automated Assembly:<\/strong> Compatible with standard pick-and-place and reflow soldering processes<\/li>\n<li><strong>Height Reduction:<\/strong> As thin as 1.5mm, enabling integration into slim devices<\/li>\n<li><strong>Weight Reduction:<\/strong> 70% lighter than TO-5 packages<\/li>\n<li><strong>Improved Reliability:<\/strong> No leads to bend or break<\/li>\n<li><strong>Better Shock Resistance:<\/strong> Ideal for portable and wearable applications<\/li>\n<\/ul>\n<h2>Technical Considerations for SMD PIR<\/h2>\n<p>Designing with SMD pyroelectric sensors requires attention to:<\/p>\n<ul>\n<li><strong>Thermal Management:<\/strong> Reflow soldering profiles must not exceed sensor specifications (peak 260\u00b0C for 10 seconds)<\/li>\n<li><strong>Optical Design:<\/strong> Miniature lenses or lens arrays may be needed<\/li>\n<li><strong>PCB Layout:<\/strong> Guard rings and careful routing essential due to high impedance<\/li>\n<li><strong>Shielding:<\/strong> May require local shielding in noisy environments<\/li>\n<\/ul>\n<h2>Target Applications<\/h2>\n<ul>\n<li><strong>Smart Watches:<\/strong> Gesture detection, wrist raise recognition<\/li>\n<li><strong>Wireless Earbuds:<\/strong> In-ear detection, touchless controls<\/li>\n<li><strong>AR\/VR Headsets:<\/strong> Presence detection, user proximity<\/li>\n<li><strong>Medical Wearables:<\/strong> Patient movement monitoring<\/li>\n<li><strong>Compact IoT Sensors:<\/strong> Space-constrained wireless nodes<\/li>\n<\/ul>\n<h2>Availability<\/h2>\n<p>The new SMD pyroelectric sensors are available now for sampling, with volume production scheduled for Q3 2026. Evaluation boards with pre-mounted lenses are also available.<\/p>\n<h2>Industry Impact<\/h2>\n<p>&#8220;The miniaturization of PIR sensors opens up entirely new product categories,&#8221; said a Murata product manager. &#8220;We&#8217;re seeing strong interest from wearable manufacturers who previously couldn&#8217;t include motion sensing due to size constraints. These new SMD packages change that.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>February 2026 \u2013 Murata Targets Wearables with Miniature SMD PIR Sensors Murata has announced an expansion of its pyroelectric infrared sensor lineup with new surface-mount device (SMD) packages designed for compact and wearable applications. The new sensors maintain the performance of traditional TO-5 packages while occupying significantly less board space. New SMD Series Highlights IRA-S230ST01 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3507","post","type-post","status-publish","format-standard","hentry","category-news"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\r\n<title>Murata Announces New SMD Pyroelectric Sensors for Compact Designs - PIRHOME<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"http:\/\/www.pirhome.com\/?p=3507\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Murata Announces New SMD Pyroelectric Sensors for Compact Designs - PIRHOME\" \/>\r\n<meta property=\"og:description\" content=\"February 2026 \u2013 Murata Targets Wearables with Miniature SMD PIR Sensors Murata has announced an expansion of its pyroelectric infrared sensor lineup with new surface-mount device (SMD) packages designed for compact and wearable applications. 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