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Product Detailed Parameters
- Description：82.2264 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：82.2264 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)：26mA
- 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 18QHTF21-82.2264-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 82.2264 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby or power-down function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm.
Feature Summary
- Supports standby mode for power management
- Utilizes LVCMOS output interface
- Compact surface-mount packaging
Applications
- General clock signal generation
- Digital circuit timing reference
- Embedded system clock sources
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against the target application design specifications. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout constraints to guarantee proper soldering and mechanical stability during assembly.
Selection Notes
Select this component when a precise 82.2264 MHz clock source is required with low power consumption capabilities. The integrated standby feature makes it suitable for battery-operated devices or systems requiring dynamic power management. Consider the small form factor for space-constrained designs where standard leaded packages cannot fit.
Part Context
This part belongs to the QHTF series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options, including 2.5V variants like the 25QHTF21 model. These components are designed for high reliability in consumer electronics and industrial applications requiring stable frequency control.
Replacement Considerations
Direct substitutes include other 82.2264 MHz LVCMOS oscillators in 2.0x1.6mm packages from compatible manufacturers. Verify pin compatibility and electrical characteristics before substitution. Alternative Mercury parts in the same series may offer different voltage levels but require circuit adjustment.
