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18QHTF21-40.695-PD is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 40.695 MHz XO 1.8V 2.0X1.6 MM PD. Review the specifications below when checking this part for your BOM.
Oscillators specifications for 18QHTF21-40.695-PD
- Description：40.695 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：40.695 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)：23mA
- 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：-
Oscillators datasheet and documents for 18QHTF21-40.695-PD
Oscillators Overview
The 18QHTF21-40.695-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fundamental frequency of 40.695 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features a standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.
Oscillators Feature Summary
- LVCMOS output logic interface
- Integrated standby power-down capability
- Surface-mount 4-SMD no lead package
Oscillators Applications
- General purpose clock generation
- Digital signal processing systems
- Communication equipment timing
Oscillators Procurement Notes
Verify the exact part number suffix against official Mercury Electronics documentation to confirm specific tolerance or temperature grade variations. Ensure the ordering information matches the required frequency and package type. Request the latest datasheet directly from the manufacturer to validate electrical characteristics before procurement.
Oscillators Selection Notes
Select this component when a 1.8V supply and LVCMOS interface are required. Consider the 4-SMD no lead package for space-constrained designs. Verify that the operating temperature range meets system requirements. Confirm compatibility with downstream logic levels before integration into the circuit design.
Oscillators Part Context
This model belongs to the 18QHTF21 series of quartz crystal oscillators produced by Mercury Electronics. The series offers various frequencies and packages. Mercury Electronics has a history of manufacturing frequency control products since 1973, specializing in quartz crystals and oscillators for industrial and commercial applications.
Oscillators Replacement Considerations
Consult official cross-reference lists for direct substitutes. Ensure replacement parts match the 40.695 MHz frequency, 1.8V supply, and LVCMOS output. Verify pinout compatibility and package dimensions to maintain board layout integrity without redesign.
Explore related parts through Crystals, Oscillators, Resonators, all product categories, ChipApex homepage.
