Raltron Electronics

<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>

<p>The Raltron AS-16.000-18-SMD-TR is a fundamental mode quartz crystal operating at 16 MHz with an 18 pF load capacitance. It features a maximum equivalent series resistance of 40 Ω, frequency tolerance of ±30 ppm, and frequency stability of ±50 ppm over the operating temperature range of -20°C to +70°C. The crystal is designed for surface mount assembly in an HC-49/US package, with dimensions of 12.00 mm x 4.80 mm x 4.60 mm.</p><p>&nbsp;</p><p>This component is ideal for microprocessor clock generation and timing circuits in consumer electronics, industrial controls, and embedded systems. It supports a drive level of 100 µW typical (500 µW maximum) and exhibits aging of ±5 ppm per year. The termination finish is tin, and the part is supplied in tape and reel packaging with 1000 pieces per reel, compliant with EIA-481.</p><p>&nbsp;</p><p>The AS-16.000-18-SMD-TR is fully RoHS, REACH, and Halogen-Free compliant, with a Moisture Sensitivity Level of 1 (unlimited floor life). The datasheet provides a reflow profile with a peak temperature of 260°C for 10 seconds maximum, ensuring compatibility with standard soldering processes.</p>

<p>The Raltron Electronics AS-14.7456-18-EXT-SMD-TR is a fundamental mode quartz crystal with a nominal frequency of 14.7456 MHz. It is designed for surface mount assembly in an HC-49/US package measuring 12.00 mm x 4.80 mm x 4.60 mm.</p><p>&nbsp;</p><p>This crystal offers a frequency tolerance of ±30 ppm at 25°C and frequency stability of ±50 ppm over the full operating temperature range of -40°C to +85°C. The load capacitance is 18 pF, with a maximum equivalent series resistance of 60 Ω and a maximum drive level of 300 µW.</p><p>&nbsp;</p><p>The component is RoHS, REACH SVHC, and Halogen-Free compliant, with an MSL rating of Level 1 (unlimited floor life). It is supplied on tape and reel (178 mm reel, 24 mm tape width, 12 mm pitch) with 1000 pieces per reel, suitable for automated pick-and-place assembly.</p>

<p>The Raltron Electronics AS-4.000-18-SMD-TR is a fundamental mode quartz crystal with a nominal frequency of 4 MHz. It is designed for surface mount assembly in a compact HC-49/US package measuring 12.00mm x 4.80mm with a height of 4.60mm.</p><p>&nbsp;</p><p>Electrical specifications include a load capacitance of 18 pF, maximum equivalent series resistance of 130 Ω, and a drive level of 100 µW typical / 500 µW maximum. Frequency tolerance is ±30 ppm at 25°C, and frequency stability over the full operating temperature range of -20°C to +70°C is ±50 ppm maximum. The crystal also features a shunt capacitance of 5 pF maximum and aging of ±5 ppm per year.</p><p>&nbsp;</p><p>The component is RoHS, REACH SVHC, and Halogen-Free compliant with a moisture sensitivity level of MSL 1. Termination finish is tin (Sn). It is supplied on tape and reel (24mm tape width, 12mm pitch) with 1000 pieces per 178mm diameter reel, suitable for automated pick-and-place assembly.</p>