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Product Detailed Parameters
- Description：8.295 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：8.295 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 18QHTF21-8.295-PD is an 8.295 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It utilizes LVCMOS output logic and operates at a supply voltage of 1.8V. The component features a Standby mode for power management and is housed in a compact 4-SMD, No Lead package. This standard frequency oscillator is designed for applications requiring precise timing signals within low-power electronic systems.
Feature Summary
- LVCMOS output logic for digital interface compatibility
- Integrated standby mode for power reduction
- Compact surface-mount package design
Applications
- General clock signal generation
- Digital system timing references
- Low-power embedded circuits
Procurement Notes
Verify the specific part number suffix to ensure correct frequency and package configuration. Confirm that the 1.8V supply requirement aligns with the target circuit design. Check for RoHS compliance status if required by project specifications. Ensure the LVCMOS output level matches the receiving device input thresholds.
Selection Notes
Select this component when a standard 8.295 MHz clock source is required with low voltage operation. Consider the 4-SMD no-lead package for space-constrained PCB layouts. Verify that the LVCMOS output swing is compatible with downstream logic levels. Evaluate the standby feature benefits against power budget constraints.
Part Context
This oscillator belongs to the Mercury Electronics SMD oscillator series, which includes various frequency control products such as crystals, TCXOs, and VCXOs. The 18QHTF21 series represents standard XO offerings with fixed frequencies and single-ended outputs, distinct from differential or temperature-compensated variants.
Replacement Considerations
Direct substitutes must match the 8.295 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD no-lead package dimensions. Cross-reference with other manufacturers offering identical pinout and electrical characteristics to ensure functional interchangeability without circuit modification.
