Description

The HC-49US 27.12 MHz Crystal is a high-precision quartz resonator that serves as a critical frequency reference in a wide array of RF applications. The 27.12 MHz frequency is one of the most widely used industrial, scientific, and medical (ISM) band frequencies globally, making it a cornerstone component for short-range wireless communication, remote controls, and various radio-frequency identification systems.

Housed in the robust and globally compatible HC-49US 2-pin through-hole package, this crystal offers exceptional mechanical stability and ease of integration. Its resistance-welded, hermetically sealed enclosure provides excellent protection against environmental degradation such as humidity, thermal stress, and oxidation. With a tight 20 PPM frequency tolerance and a 20 pF load capacitance, it ensures the precise, low-jitter performance required for stable carrier-wave generation and reliable signal modulation in wireless devices.


Key Features

  • Versatile ISM Band Frequency: 27.12 MHz is a standard frequency used in diverse RF modules, remote controls, and short-range wireless systems.
  • High Accuracy: Tight frequency tolerance of 20 PPM minimizes frequency drift, crucial for maintaining signal integrity in RF circuits.
  • Standardized Footprint: The 2-pin HC-49US DIP package ensures universal compatibility with standard oscillator and RF transmitter circuits.
  • Robust Construction: Resistance-welded, hermetically sealed package provides high environmental reliability.
  • Optimized Load: 20 pF load capacitance is matched to common RF oscillator driver stages for consistent start-up and stability.

Application

  • RF Remote Control Transmitters
  • Short-Range Wireless Data Links
  • General-Purpose ISM Band RF Systems
  • Industrial Wireless Control Units
  • Signal Timing and Clocking for RF Modules

Package Includes

  • 2 x HC-49US 27.12 MHz Crystal (Through-Hole Package)

Specifications

Parameter Specification
Part Number HC-49US
Frequency 27.12 MHz
Load Capacitance 20 pF
Frequency Tolerance 20 PPM
Mounting Type Through-Hole (2-Pin)

Refund Reason