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Product Detailed Parameters
- Description：7.03 MHz XO 1.8V 2.0X1.6 MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：7.03 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 18QHTF21-7.030-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 7.03 MHz and utilizes LVCMOS output logic levels. The device is designed for low-power applications, featuring a supply voltage of 1.8V and a standby power-down mode to conserve energy during idle periods. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount assembly.
Feature Summary
- Supports LVCMOS output interface for digital circuit compatibility
- Includes standby power-down functionality for energy efficiency
- Operates on a single 1.8V supply voltage rail
Applications
- Battery-powered portable electronic devices
- General-purpose digital clock signal generation
- Low-power embedded system timing references
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your target system's power architecture. Ensure the 4-SMD no-lead package dimensions fit within your available PCB footprint constraints.
Selection Notes
Select this component when a precise 7.03 MHz reference is required for low-voltage logic circuits. Consider the 1.8V operating range if your system prioritizes power conservation over higher drive capabilities. Evaluate the standby feature necessity for applications requiring extended battery life or intermittent operation cycles.
Part Context
This part belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized small outline package. The 'PD' suffix indicates the inclusion of a power-down control pin or function, distinguishing it from always-on variants.
Replacement Considerations
Direct substitutes must match the 7.03 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify equivalent frequency stability and temperature range specifications. Cross-reference pinout configurations to ensure functional compatibility without circuit modification.
