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Product Detailed Parameters
- Description：12.7 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：12.7 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 18QHTF21-12.700-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 12.7 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 3.3V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm. The component is designed for surface-mount applications and includes an open emitter (OE) configuration.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Enable/Disable control functionality for power management
- Compact 4-SMD no-lead surface mount package
- Standard crystal oscillator design
Applications
- General clock signal generation
- Digital circuit timing references
- Embedded system clock sources
- Consumer electronics timing modules
Procurement Notes
Verify the specific ordering suffix to ensure correct voltage and output type. Confirm package dimensions match PCB footprint requirements. Check datasheet for operating temperature range suitability. Ensure supply voltage matches system design specifications before integration.
Selection Notes
Select this model when a 12.7 MHz clock source is required. Consider the 3.3V supply requirement and LVCMOS output compatibility. Evaluate the small 2.0x1.6mm package size for space-constrained designs. Verify enable/disable pin availability if power control is needed.
Part Context
This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options. The OE suffix typically denotes specific packaging or testing configurations. Mercury Electronics specializes in quartz crystals and frequency control products.
Replacement Considerations
Check for direct substitutes within the same series such as 18QHTF21-12.700-PD. Verify equivalent frequency, voltage, and package dimensions. Ensure output logic and control functions match original requirements. Consult manufacturer cross-reference lists for validated alternatives.
