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Product Detailed Parameters
- Description：13.51 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：13.51 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 18QHTF21-13.510-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 13.51 MHz and utilizes LVCMOS output logic. The device is designed for low-power applications, featuring a supply voltage of 1.8V and a standby power-down mode. It is housed in a compact 4-SMD, no-lead package with dimensions of 2.0mm x 1.6mm. The component supports an operating temperature range suitable for general electronic applications.
Feature Summary
- Integrates LVCMOS output logic for digital interface compatibility
- Includes standby power-down functionality to reduce consumption
- Utilizes a compact surface-mount package design
Applications
- Battery-powered portable devices
- General-purpose digital timing circuits
- Low-voltage embedded systems
Procurement Notes
Verify the specific suffix 'PD' indicates the required power-down feature during procurement. Confirm that the 1.8V supply voltage aligns with the target system's power rails. Ensure the 4-SMD no-lead package footprint matches the PCB layout requirements. Check datasheet specifications for tolerance and stability if precise timing is critical.
Selection Notes
Select this component when a low-voltage 1.8V operation is mandatory. Consider the 13.51 MHz frequency requirement for clock generation. Evaluate the need for power-down capabilities to extend battery life. Assess the physical space constraints against the 2.0x1.6mm package size. Verify compatibility with LVCMOS logic levels in the receiving circuitry.
Part Context
Mercury Electronic Ind. Co., Ltd. is a Taiwan-based manufacturer specializing in frequency control products since 1973. The company produces quartz crystals, oscillators, and filters. This part belongs to their line of standard XO oscillators designed for consumer and industrial electronics.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation. Consult official distributor channels for cross-reference data.
