Raltron Electronics

<p>The Raltron Electronics AS-5.000-18-EXT-SMD-TR is a low profile microprocessor crystal designed for timing applications requiring a 5.0000 MHz fundamental frequency. It features a frequency tolerance of ±30 ppm at 25°C and a frequency stability of ±50 ppm over the entire operating temperature range of -40°C to +85°C. The crystal operates with a load capacitance of 18 pF and has a maximum equivalent series resistance of 100 Ω.</p><p>&nbsp;</p><p>The AS-5.000-18-EXT-SMD-TR is housed in a surface mount HC-49/US package measuring 12.00 mm × 4.80 mm with a low profile height of 4.60 mm. It is supplied on 178 mm reels with 24 mm tape width and 4 mm pitch, packaged in quantities of 1000 pieces per reel. This component is RoHS, REACH, and Halogen-Free compliant, with an MSL rating of Level 1 (unlimited).</p>

<p>The Raltron Electronics AS-4.096-22-3030-EXT-SMD-TR is a surface mount MHz crystal operating at 4.096 MHz. It is designed for use as a clock source in electronic circuits requiring precise frequency generation.</p><p>&nbsp;</p><p>This crystal features a load capacitance of 22 pF and operates in fundamental mode. The equivalent series resistance is 130 Ω. Frequency tolerance and stability are both rated at ±30 ppm over the operating temperature range of -40°C to +85°C.</p><p>&nbsp;</p><p>The component is packaged in an HC-49/US case, a common low-profile surface mount package for crystals. It measures 12.00 mm x 4.80 mm with a height of 4.00 mm. The mounting type is surface mount, suitable for automated assembly.</p><p>&nbsp;</p><p>This crystal is RoHS3 compliant (unverified) and MSL 1 (unlimited). It is suitable for general-purpose timing applications in consumer, industrial, and communication equipment.</p>

<p>The AS-3.579545-18 is a fundamental mode MHz crystal from Raltron Electronics, operating at 3.579545 MHz. It features a load capacitance of 18 pF and an equivalent series resistance of 180 Ω, ensuring stable oscillation. The crystal offers a frequency tolerance of ±30 ppm and a frequency stability of ±50 ppm over an operating temperature range of -20°C to +70°C. Housed in an HC-49/US through-hole package, it measures 11.35 mm x 5.00 mm x 3.50 mm, making it suitable for standard PCB mounting. This crystal is commonly used in timing and clock generation circuits for microcontrollers, consumer electronics, and communication devices where reliable frequency reference is required.</p>

<p>The Raltron Electronics AS-11.0592-18-SMD-TR is a fundamental mode quartz crystal with a nominal frequency of 11.0592 MHz. It offers a frequency tolerance of ±30 ppm at 25°C and a frequency stability of ±50 ppm over the full operating temperature range of -20°C to +70°C. The crystal is designed for a load capacitance of 18 pF and has a maximum equivalent series resistance of 50 Ω.</p><p>&nbsp;</p><p>This crystal is housed in a low-profile HC-49/US surface-mount package measuring 13.5 mm x 4.8 mm with a height of 4.60 mm. It is supplied on tape and reel (EIA-481, 178 mm reel, 24 mm tape width, 4 mm pitch) with 1000 pieces per reel. The termination finish is tin (Sn), and the component is RoHS, REACH SVHC, and halogen-free compliant with MSL Level 1.</p><p>&nbsp;</p><p>Typical applications include microprocessor clock circuits, timing references for embedded systems, and general-purpose frequency control in consumer and industrial electronics. The crystal's drive level is 500 µW maximum, and aging is specified at ±5 ppm per year.</p>