Bx R315a

The BX R315A is a specialized electronic component, specifically a 1-port Surface Acoustic Wave (SAW) resonator designed for wireless communication on the 315 MHz frequency band. FaiusrdScribd It is most commonly found in a TO-39 metal-can package, though modern equivalents are shifting toward SMD formats for compact electronics. YangxingOmo-Ic

Product Specifications & Applications

The device functions as a high-stability frequency control element, primarily used to stabilize the transmitter frequency in short-range wireless systems. Faiusrd

* Key Technical Specs: Center frequency of 315.00 MHz (±75 kHz), insertion loss of ~1.5 dB, and an operating temperature range of -40°C to +85°C. ScribdYangxing

* Primary Uses: Wireless remote controls (garage doors, keyless entry), security alarm sensors, smart home gadgets, and wireless doorbells. Yangxing

* Handling Note: These components are highly sensitive to Electrostatic Discharge (ESD) and Ultrasonic Cleaning, requiring careful handling during assembly. Faiusrd

Market Trends & Insights

* Transition to SMD: While the legacy TO-39 package (often labeled "BX" or "R315A") is still widely used for replacement parts and hobbyist projects, the mainstream electronics industry is moving toward Surface Mount Devices (SMD) like the 3.0 x 3.0mm or 3.8 x 3.8mm packages to save space on PCBs. AliexpressAlibaba

* Regional Frequency Standards: The 315 MHz frequency is a standard unlicensed ISM band primarily used in North America and Asia. In Europe, the 433.92 MHz band is more common, though multi-frequency modules often support both. Stackexchange

* Market Growth: The global SAW filter/resonator market is projected to grow significantly, reaching approximately $16.82 billion by 2036, driven by the expansion of IoT and low-power wireless devices. Futuremarketinsights

Sourcing & Availability

The component is readily available from specialized electronic manufacturers, particularly in the Shenzhen region. AlibabaAlibaba

* Price Range: Bulk prices typically range from $0.01 to $0.30 per unit depending on the order volume and package type. AlibabaAlibaba

* Key Suppliers: Manufacturers like Shenzhen Winnsky Electronics and Shenzhen Strong Electronics offer stable supplies of both the legacy TO-39 and modern SMD versions of the 315MHz resonator. AlibabaAlibaba

Detailed manufacturer profiles and product lists are provided in the attached file for your sourcing review.