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18QHTF21-20.1541-PD is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 20.1541 MHz XO 1.8V 2.0X1.6MM PD. Review the specifications below when checking this part for your BOM.
Oscillators specifications for 18QHTF21-20.1541-PD
- Description：20.1541 MHz XO 1.8V 2.0X1.6MM PD
- Series：18QHTF21
- Mfr：Mercury Electronics Ind. Co. Ltd
- Package：Strip
- Base Resonator：Crystal
- Type：XO (Standard)
- Frequency：20.1541 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：-
Oscillators datasheet and documents for 18QHTF21-20.1541-PD
Oscillators Overview
The 18QHTF21-20.1541-PD is a 20.1541 MHz crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates with an LVCMOS output signal and utilizes a 1.8V supply voltage. The device features a Standby mode for power down functionality. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.
Oscillators Feature Summary
- Provides stable 20.1541 MHz frequency generation via LVCMOS interface
- Supports low-power operation through dedicated Standby mode
- Utilizes a compact 4-SMD No Lead surface-mount package
Oscillators Applications
- General digital circuit timing reference
- Embedded systems requiring precise clock synchronization
- Consumer electronics with space-constrained designs
Oscillators Procurement Notes
Verify the specific ordering suffix PD against the manufacturer's official documentation to confirm the exact electrical characteristics and packaging specifications. Ensure compatibility with the target system's voltage levels and form factor requirements before finalizing procurement decisions.
Oscillators Selection Notes
Select this component when a 20.1541 MHz frequency is required alongside a 1.8V operating voltage. The choice is driven by the need for a small 4-SMD footprint and the necessity of a standby function for power management in portable or energy-efficient designs.
Oscillators Part Context
This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series typically offers various frequency options within a consistent 4-SMD No Lead package, allowing designers to maintain uniform board layouts across different product variants while adjusting only the frequency parameter.
Oscillators Replacement Considerations
Direct substitutes must match the 20.1541 MHz frequency, 1.8V LVCMOS output, and 4-SMD No Lead package. Verify pinout compatibility and electrical tolerances with alternative manufacturers offering similar surface-mount oscillators.
Explore related parts through Crystals, Oscillators, Resonators, all product categories, ChipApex homepage.
