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Product Detailed Parameters
- Description：1.485 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：1.485 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 18QHTF21-1.485-PD is a crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 1.485 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm and a maximum height of 2.00mm. The component is designed for surface mount technology applications.
Feature Summary
- Supports low voltage operation at 1.8V
- Includes standby mode for power reduction
- Utilizes LVCMOS output interface
Applications
- Battery-powered portable devices
- Compact electronic systems requiring low profile components
- General purpose clock signal generation
Procurement Notes
Verify the specific frequency tolerance and operating temperature range against the official datasheet before integration. Confirm that the 4-SMD no-lead package footprint matches the PCB design requirements. Ensure the 1.8V supply voltage aligns with the target system's power rails to guarantee proper functionality and longevity of the oscillator.
Selection Notes
Select this model when a precise 1.485 MHz clock source is required in a minimal space-constrained environment. The choice is driven by the need for low power consumption via the standby feature and compatibility with 1.8V logic families. Consider the surface mount form factor for automated assembly processes.
Part Context
Mercury Electronic Ind. Co., Ltd. has over 50 years of experience in frequency control products. This manufacturer was the first in Taiwan to produce quartz crystals. The company expanded from lead-type packages to surface mount technologies, covering frequencies from kilohertz to hundreds of megahertz.
FAQ
What is the physical size of the 18QHTF21-1.485-PD?
The component measures 2.00mm in length and 1.60mm in width, with a maximum height of 2.00mm.
Does the oscillator support power saving modes?
Yes, the device features a standby (power down) function to reduce current consumption when not in active use.
