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ABM7-18.432MHZ-D2Y-T

Auth: Date:2025/11/12 Source:WECHIP Visit:6 Related Key Words: high-precision excellent frequency tolerance reliable wide industrial temperature range

I.Overview of ABM7-18.432MHZ-D2Y-T

The ABM7-18.432MHZ-D2Y-T is a high-precision, surface-mount MHz crystal resonator manufactured by Abracon LLC. As part of the ABM7 series, this component is designed to provide a stable and accurate frequency reference at 18.432 MHz. It is commonly used as the timing heartbeat in various electronic circuits, ensuring synchronized operation and reliable performance in communication devices, computing systems, and digital consumer electronics.

 

II.ABM7-18.432MHZ-D2Y-T Parameter

Category:Crystals, Oscillators, Resonators;Crystals

Mfr:Abracon LLC

Series:ABM7

Packaging:Tape & Reel (TR);Cut Tape (CT);Digi-Reel®

Part Status:Active

Type:MHz Crystal

Frequency:18.432 MHz

Frequency Stability:±30ppm

Frequency Tolerance:±20ppm

Load Capacitance:18pF

ESR (Equivalent Series Resistance):50 Ohms

Operating Mode:Fundamental

Operating Temperature:-40°C ~ 85°C

Mounting Type:Surface Mount

Package / Case:2-SMD, No Lead

Supplier Device Package:2-SMD (6x3.5)

Size / Dimension:0.236" L x 0.138" W (6.00mm x 3.50mm)

Height - Seated (Max):0.055" (1.40mm)

 

III.ABM7-18.432MHZ-D2Y-T Main Characteristics

High Frequency Precision: Offers excellent frequency tolerance (±20ppm) and stability (±30ppm), ensuring accurate timing signals.

Low Equivalent Series Resistance (ESR): An ESR of 50 Ohms contributes to good start-up characteristics and stable oscillation.

Compact SMD Design: Features a compact 2-SMD, no-lead package (6.0x3.5x1.4mm), making it ideal for high-density PCB designs.

Robust Performance: Operates reliably across a wide industrial temperature range from -40°C to 85°C, suitable for demanding environments.

Specified Load Capacitance: Requires an external load capacitance of 18pF, which is standard for many microcontroller and interface chip clock inputs.

Fundamental Mode Operation: Provides the fundamental frequency directly, contributing to a simple and reliable circuit design.

 

IV.ABM7-18.432MHZ-D2Y-T Application 

Communication Equipment: Used in network switches, routers, and Ethernet controllers, where the 18.432 MHz frequency is common for generating interface clocks.

Computing Systems: Serves as a system clock for microprocessors, microcontrollers (MCUs), and FPGA-based designs.

Audio/Video Electronics: Provides timing for digital audio workstations, sound cards, and video processing units.

Industrial Control Systems: Ensures precise timing in PLCs, sensors, and automation controllers operating in industrial settings.

Consumer Electronics: Found in set-top boxes, gaming consoles, and other digital devices requiring a stable time base.

 

V.Conclusion

The ABM7-18.432MHZ-D2Y-T from Abracon is a reliable and precise crystal resonator that delivers stable performance in a compact, surface-mount package. Its combination of high frequency accuracy, low ESR, and industrial-grade ruggedness makes it an excellent choice for a wide array of electronic applications, providing the essential timing foundation for modern digital systems.

 

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