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Product Detailed Parameters
- Description：CERAMIC RES 18.4300MHZ SMD
- Series：AWSZT-CV
- Mfr：Abracon LLC
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Ceramic
- Frequency：18.43 MHz
- Frequency Stability：±0.3%
- Frequency Tolerance：±0.5%
- Features：-
- Operating Temperature：-25°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：1512 (3731 Metric)
- Size / Dimension：0.146" L x 0.122" W (3.70mm x 3.10mm)
- Height：0.047" (1.19mm)
- Impedance：40 Ohms
- Capacitance：-
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Overview
The AWSZT-18.43CV-T is a ceramic resonator manufactured by Abracon LLC, designed for surface-mount applications. It operates at a nominal frequency of 18.43 MHz with a tolerance of ±0.5% and stability of ±0.3%. The component features an integrated load capacitance of 22 pF and an equivalent series resistance (ESR) of 40 Ohms. It supports an operating temperature range from -25°C to +85°C. The device utilizes a 3-SMD package measuring 3.7 mm in length, 1 mm in width, and 1 mm in height.
Feature Summary
- Integrates built-in capacitors to simplify circuit design
- Provides stable frequency generation within specified temperature ranges
- Supports automated surface-mount assembly processes
Applications
- Microcontroller clock sources
- Embedded system timing references
- Consumer electronics control circuits
Procurement Notes
Verify the specific suffix and tolerance requirements against the target application datasheet. Confirm that the 22 pF internal capacitance aligns with the oscillator circuit design parameters. Ensure the -25°C to +85°C temperature rating meets the environmental conditions of the final product deployment.
Selection Notes
Select this component when a cost-effective, compact timing solution is required for microcontroller interfaces. Consider the 40 Ohm ESR value for compatibility with standard oscillator inputs. Evaluate the 1512 package dimensions against available PCB real estate constraints during the layout phase.
Part Context
This part belongs to the AWSZT-CV series of ceramic resonators from Abracon LLC. These components are engineered as passive timing devices intended to replace bulkier crystal oscillators in space-constrained designs. The series focuses on providing reliable frequency stability for general-purpose digital logic applications.
Replacement Considerations
Direct substitutes include the AWSCR-18.43CV-T, which shares identical electrical specifications and pinout configuration. Verify mechanical footprint compatibility before swapping components in existing layouts.
