ABL-3.579545MHZ-B2

Crystals Overview

The Abracon ABL-3.579545MHZ-B2 is a parallel fundamental quartz crystal designed for microprocessor applications. It operates at a nominal frequency of 3.579545 MHz with a frequency tolerance of ±20 ppm and stability of ±50 ppm. The component utilizes an AT-cut bulk resonator housed in a hermetically sealed HC-49/US package, measuring 11.5 x 5.0 x 3.5 mm. It supports through-hole mounting and functions within a temperature range of -20°C to +70°C. Key electrical parameters include a load capacitance of 18 pF and a series resistance (ESR) of 180 Ohms.

Crystals Feature Summary

• Hermetically sealed metal package ensuring high reliability and resistance to moisture
• AT-cut bulk resonator technology for stable oscillation performance
• Through-hole mount configuration compatible with standard PCB layouts

Crystals Applications

• Microprocessor clock circuits
• Digital logic timing references
• General-purpose oscillator circuits

Crystals Procurement Notes

Verify the specific package height against datasheet revisions, as some sources indicate 2.5mm while others list 3.5mm for this part number. Confirm RoHS compliance status directly with the manufacturer or authorized distributor documentation prior to procurement. Ensure the operating temperature range meets the environmental requirements of the target application.

Crystals Selection Notes

Select this component when a fundamental mode crystal with moderate stability is required for microprocessor systems. The 18 pF load capacitance must match the circuit design specifications. Consider the ESR value for driver level calculations to ensure operation within safe power limits. Verify that the through-hole form factor aligns with the assembly process constraints.

Crystals Part Context

This part belongs to the Abracon ABL Series, which focuses on microprocessor crystals. The series offers various frequency options and packaging styles. The ABL-3.579545MHZ-B2 specifically targets legacy or specialized timing needs requiring the NTSC color subcarrier frequency. It represents a commercial-off-the-shelf passive component solution.

Crystals Replacement Considerations

Direct substitutes may include other HC-49/US crystals with identical 3.579545 MHz frequency, 18 pF load capacitance, and similar ESR values. Cross-reference mechanical dimensions carefully, particularly the case height, to ensure board clearance compatibility.