QT325S-27.120MEDQ-T

$0.33

Description：3.2x2.5 XTAL 10ppm 20ppm 10pF
Series：QT325S
Mfr：QST
Package：Tape & Reel (TR)

SKU:f8696de76595 Category: Crystals Brand: QST

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Product introduction

Product Detailed Parameters

Description：3.2x2.5 XTAL 10ppm 20ppm 10pF
Series：QT325S
Mfr：QST
Package：Tape & Reel (TR)
Type：MHz Crystal
Frequency：27.12 MHz
Frequency Stability：±20ppm
Frequency Tolerance：±10ppm
Load Capacitance：10pF
ESR (Equivalent Series Resistance)：50 Ohms
Operating Mode：Fundamental
Operating Temperature：-20°C ~ 70°C
Ratings：-
Mounting Type：Surface Mount
Package / Case：4-SMD, No Lead
Size / Dimension：0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max)：0.031" (0.80mm)

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QT325S-27.120MEDQ-T

Overview

The QT325S-27.120MEDQ-T is a quartz crystal resonator manufactured by QST, operating at a fundamental frequency of 27.12 MHz. It features a frequency tolerance and stability of ±20 ppm within an operating temperature range of -20°C to +70°C. The component utilizes a load capacitance of 12 pF and has an equivalent series resistance (ESR) of 80 Ohms maximum. It is housed in a compact 4-SMD, No Lead package with dimensions of 3.20mm x 2.50mm x 0.70mm, designed for surface-mount installation.

Feature Summary

Provides precise timing signals at 27.12 MHz with ±20 ppm stability
Utilizes a 12 pF load capacitance for standard circuit integration
Constructed in a small 3.2x2.5mm surface-mount footprint

Applications

Microcontroller clock sources
Communication module timing references
Consumer electronics control circuits

Procurement Notes

Verify the specific suffix MEDQ against manufacturer documentation to confirm the ±20 ppm tolerance and 12 pF load capacitance parameters. Ensure the selected variant matches the required -20°C to +70°C operating temperature range for the intended application environment. Cross-reference the 80 Ohm ESR specification with circuit design requirements.

Selection Notes

Select this component when a 27.12 MHz reference with tighter ±20 ppm stability than standard ±30 ppm variants is required. The 12 pF load capacitance suits designs utilizing standard capacitive loads. The 3.2x2.5mm SMD package offers space efficiency for dense PCB layouts compared to larger through-hole crystals.

Part Context

This part belongs to the QT325S series of quartz crystals from QST, a line of timing devices specializing in resonators and oscillators. The series provides various frequency options and tolerance grades in standardized SMD packages, serving as fundamental components for frequency generation in digital systems.