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Product Detailed Parameters
- Description：XTAL HC-49/U 1.8432MHZ TOL 30PPM
- Series：AB
- Mfr：Abracon LLC
- Package：Bulk
- Type：MHz Crystal
- Frequency：1.8432 MHz
- Frequency Stability：±30ppm
- Frequency Tolerance：±30ppm
- Load Capacitance：18pF
- ESR (Equivalent Series Resistance)：650 Ohms
- Operating Mode：Fundamental
- Operating Temperature：-40°C ~ 85°C
- Ratings：-
- Mounting Type：Through Hole
- Package / Case：HC-49/U
- Supplier Device Package：HC-49/U
- Size / Dimension：0.453" L x 0.197" W (11.50mm x 5.00mm)
- Height - Seated (Max)：0.530" (13.46mm)
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Overview
The Abracon AB-1.8432MHZ-R650-D4Y is a fundamental quartz crystal oscillator operating at a nominal frequency of 1.8432 MHz. It utilizes an HC49/U package with through-hole mounting and resistance welding construction. The component supports a wide operating temperature range from -40 °C to +85 °C. Key electrical specifications include a frequency tolerance of ±30 ppm, a load capacitance of 18 pF, and a maximum drive level of 100 µW. Aging stability is rated at 5 ppm for the first year.
Feature Summary
- Resistance welded construction for durability
- Suitable for applications requiring large pullability
- RoHS compliant manufacturing process
Applications
- CPU clock generation
- Memory interface timing
- Computer peripheral systems
- Data communication equipment
Procurement Notes
Verify that the replacement part matches the specific HC49/U package dimensions and pin configuration. Confirm the load capacitance requirement aligns with the circuit design, as this model specifies 18 pF. Ensure the operating temperature range meets the environmental constraints of the target application. Check RoHS compliance status if required by local regulations.
Selection Notes
Select this component when a fundamental mode crystal is required for precise timing in digital logic circuits. The 1.8432 MHz frequency is suitable for baud rate generation in serial communications. Consider the ±30 ppm tolerance for system synchronization requirements. The through-hole format is appropriate for standard PCB assembly processes where surface mount options are not feasible.
Part Context
This part belongs to the Abracon HC49/U series of fundamental quartz crystals. These components are widely used in general-purpose electronics for clock signal generation. The series offers high precision availability and is designed for resistance welding to ensure long-term reliability in various electronic assemblies.
Replacement Considerations
AB-01.8432MHZ-S-D4Y-Q45-P
FAQ
What is the aging specification for this crystal?
The aging rate is specified as 5 ppm for the first year.
Is this component RoHS compliant?
Yes, the component is RoHS compliant.
