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Product Detailed Parameters
- Description：10.178125 M XO 1.8V 2.0X1.6MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：10.178125 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)：22mA
- 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 18QHTF21-10.178125-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 10.178125 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning at a supply voltage of 1.8V. It features a standby mode for power down capabilities to reduce energy consumption during idle periods. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm, suitable for surface-mount assembly processes.
Feature Summary
- Supports LVCMOS output interface for digital signal compatibility
- Includes standby functionality for power management
- Utilizes a leadless SMD package for space-constrained designs
Applications
- General purpose clock generation in embedded systems
- Timing reference for low-voltage digital circuits
- Consumer electronics requiring compact oscillators
Procurement Notes
Verify the specific ordering suffix PD against official Mercury Electronics documentation to confirm the exact pinout and electrical characteristics. Ensure that the 1.8V supply requirement aligns with the target system design. Confirm the 4-SMD no-lead package dimensions match the PCB footprint requirements before finalizing procurement decisions.
Selection Notes
Select this component when a precise 10.178125 MHz frequency is required for LVCMOS interfaces. Consider the 1.8V operating voltage and standby feature for power-sensitive applications. Evaluate the 2.0x1.6mm package size against available board space constraints compared to other oscillator options from the manufacturer.
Part Context
Mercury Electronics Ind. Co. Ltd specializes in frequency control products including quartz crystals and oscillators. This model belongs to their series of standard XO components designed for various electronic timing applications. The company has a history of manufacturing frequency control solutions since 1973.
FAQ
What is the output logic level of the 18QHTF21-10.178125-PD?
The device uses LVCMOS (Low Voltage Complementary Metal-Oxide-Semiconductor) output logic.
Does the 18QHTF21-10.178125-PD support power saving modes?
Yes, it includes a standby function that allows the oscillator to be powered down when not in use.
