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Product Detailed Parameters
- Description：7.37283 MHz XO 1.8V 2.0X1.6MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：7.37283 MHz
- Function：Standby (Power Down)
- Output：LVCMOS
- Voltage - Supply：1.8V
- Frequency Stability：±50ppm
- Absolute Pull Range (APR)：-
- Operating Temperature：-40°C ~ 85°C
- Spread Spectrum Bandwidth：-
- Current - Supply (Max)：21mA
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Size / Dimension：0.079" L x 0.063" W (2.00mm x 1.60mm)
- Height - Seated (Max)：0.031" (0.80mm)
- Supplier Device Package：-
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Overview
The 18QHTF21-7.37283-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 7.37283 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.
Feature Summary
- Supports low-voltage operation at 1.8V
- Includes standby capability for power management
- Utilizes LVCMOS output interface
Applications
- Precision timing applications
- Electronic devices requiring stable clock signals
- Compact electronic systems
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Ensure the 1.8V supply voltage aligns with your target circuit's power rails. Confirm that the 4-SMD no-lead package footprint matches your PCB layout constraints to ensure proper assembly and electrical connectivity.
Selection Notes
Select this component when a precise 7.37283 MHz clock signal is required in space-constrained designs. The LVCMOS output ensures compatibility with standard digital logic families. Consider the 1.8V operating voltage for low-power applications and verify that the standby feature meets your power management needs.
Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and is characterized by its small form factor and low power consumption. The 'PD' suffix indicates the inclusion of a power-down or standby function, enhancing energy efficiency in portable or battery-operated devices.
Replacement Considerations
Direct substitutes within the same series include models such as 18QHTF21-37.300-PD, 18QHTF21-51.200-PD, and 18QHTF21-96.768-PD, which share identical packaging and electrical characteristics but differ in operating frequency. Ensure the replacement matches the required frequency specification.
