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Product Detailed Parameters
- Description：12.35201 MHz XO 1.8V 2.0X1.6 PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：12.35201 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 18QHTF21-12.35201-PD is a quartz crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.35201 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a standby (power down) function for energy management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications.
Feature Summary
- Supports low-voltage operation with 1.8V supply
- Includes standby mode for power reduction
- Provides LVCMOS output signal compatibility
Applications
- Battery-powered portable devices
- Low-power embedded systems
- Clock generation for digital circuits
Procurement Notes
Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply rail stability meets the oscillator's specifications to ensure reliable operation. Ensure the PCB footprint matches the 4-SMD No Lead package dimensions provided in the official datasheet to avoid assembly issues.
Selection Notes
Select this component when a precise 12.35201 MHz clock source is required with minimal power consumption. The integrated standby feature makes it suitable for applications requiring periodic sleep modes. Ensure the system architecture supports LVCMOS logic levels and can provide a stable 1.8V power supply without excessive noise interference affecting frequency stability.
Part Context
This part belongs to the Mercury Electronics XO series, which specializes in standard frequency control products. The manufacturer has decades of experience in quartz crystal manufacturing, positioning this oscillator within their portfolio of reliable timing solutions for consumer and industrial electronics markets.
Replacement Considerations
Direct substitutes must match the 12.35201 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Verify pinout compatibility and thermal characteristics before swapping. Generic oscillators may not support the specific standby functionality or exact frequency precision required.
