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Product Detailed Parameters
- Description：11.882 MHz XO 1.8V 2.0X1.6 MM OE
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：11.882 MHz
- Function：Enable/Disable
- 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 18QHTF21-11.882-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fundamental frequency of 11.882 MHz and utilizes LVCMOS output logic. The device is designed for low-power applications, featuring a supply voltage range of 1.8V with integrated enable/disable functionality. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated enable/disable control pin for power management
- Standard XO design with quartz base resonator
Applications
- Timing and clock signal generation in electronic devices
- Embedded systems requiring precise frequency references
- Consumer electronics utilizing low-voltage logic interfaces
Procurement Notes
Verify the specific ordering suffix '-OE' against the manufacturer's current datasheet to confirm availability and exact electrical tolerances. Ensure the selected variant matches the required operating temperature range and load capacitance specifications for the target application circuit.
Selection Notes
Select this component when a 11.882 MHz reference is required with LVCMOS outputs. Consider the 1.8V supply constraint and the need for an enable function. Verify that the 4-SMD no-lead package footprint aligns with the PCB layout constraints and thermal requirements of the design.
Part Context
This part belongs to the Mercury Electronics 18QHT series of surface-mount oscillators. The series typically offers various frequencies and supply voltages. The '18QHTF21' designation indicates a specific form factor and performance class within the manufacturer's portfolio of quartz-based timing solutions.
Replacement Considerations
Direct substitutes must match the 11.882 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD no-lead package. Check Mercury Electronics or other manufacturers for equivalent parts with identical pinout and electrical characteristics.
