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18QHTF21-21.250-PD is listed in the Oscillators range at ChipApex. The manufacturer field lists Mercury Electronics Ind. Co. Ltd. Its product description is 21.25 MHz XO 1.8V 2.0X1.6 MM PD. Review the specifications below when checking this part for your BOM.
Oscillators specifications for 18QHTF21-21.250-PD
- Description：21.25 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：21.25 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 18QHTF21-21.250-PD
Oscillators Overview
The 18QHTF21-21.250-PD is a crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 21.25 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features a Standby function for power management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0mm x 1.6mm.
Oscillators Feature Summary
- Compact surface-mount design suitable for space-constrained applications
- Integrated standby mode for efficient power management
- LVCMOS output logic compatibility
Oscillators Applications
- High-reliability electronic systems requiring precise timing
- Portable devices necessitating low power consumption
- Embedded systems utilizing compact clock sources
Oscillators Procurement Notes
Verify the specific datasheet from Mercury Electronic Ind. Co., Ltd to confirm exact electrical specifications and mechanical tolerances. Ensure compatibility with system voltage levels and footprint requirements before integration. Cross-reference part numbers to avoid confusion with similar series components.
Oscillators Selection Notes
Select this component when a small form factor and low voltage operation are critical. The 1.8V supply requirement suits modern low-power digital circuits. Verify that the 21.25 MHz frequency aligns with system clock needs and that the LVCMOS interface matches downstream logic levels.
Oscillators Part Context
This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series offers various frequencies and voltages, all sharing the same compact 2.0x1.6mm SMD package. This specific model provides the 21.25 MHz variant within the standard LVCMOS configuration.
Oscillators Replacement Considerations
Consult official substitution lists or equivalent product catalogs from Mercury Electronics. Verify pinout, voltage, and frequency compatibility before replacing. Generic equivalents may not match the specific standby functionality or package dimensions.
Explore related parts through Crystals, Oscillators, Resonators, all product categories, ChipApex homepage.
