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Product Detailed Parameters
- Description：7.20375 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：7.20375 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 18QHTF21-7.20375-PD is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 7.20375 MHz and utilizes an LVCMOS output signal format. The device supports a supply voltage range typically associated with the 18QHTF21 series, including 1.8V standby capability. It is housed in a compact 4-SMD, No Lead surface mount package with dimensions of 2.00mm x 1.60mm and a maximum seated height of 0.80mm.
Feature Summary
- Provides stable clock generation for timing applications
- Features low power consumption with standby mode support
- Utilizes a compact surface-mount package design
Applications
- Timing and clock generation in electronic devices
- Consumer electronics requiring precise frequency references
- Industrial control systems needing reliable oscillators
Procurement Notes
Verify the specific datasheet for the 18QHTF21-7.20375-PD to confirm exact electrical parameters such as frequency stability, load capacitance, and drive level requirements. Ensure compatibility with the target circuit's voltage levels and output loading conditions before integration. Cross-reference the package outline drawing to verify footprint alignment with PCB layout constraints.
Selection Notes
Select this component when a 7.20375 MHz frequency is required in a minimal space-constrained environment. The LVCMOS output interface simplifies connection to digital logic circuits. Consider the 1.8V standby feature if power management during idle states is a critical design requirement for the application.
Part Context
Mercury Electronics Ind. Co., Ltd. has been manufacturing frequency control products since 1973 and is recognized as a pioneer in the crystal industry in Taiwan. The 18QHTF21 series represents their surface-mount oscillator offerings, designed to meet various timing needs across different electronic sectors.
Replacement Considerations
Direct substitutes must match the 7.20375 MHz frequency, LVCMOS output type, and 4-SMD No Lead package dimensions. Verify that any alternative part offers equivalent frequency stability and operating temperature ranges to ensure system performance consistency.
