LFXTAL078520B

Description：CRYSTAL 3.6864MHZ 18PF TH
Series：HC49/3.5H
Mfr：IQD Frequency Products
Package：Bulk

SKU:d0c7a3cb0b54 Category: Crystals Brand: IQD Frequency Products

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Product introduction

Product Detailed Parameters

Description：CRYSTAL 3.6864MHZ 18PF TH
Series：HC49/3.5H
Mfr：IQD Frequency Products
Package：Bulk
Type：MHz Crystal
Frequency：3.6864 MHz
Frequency Stability：±50ppm
Frequency Tolerance：±30ppm
Load Capacitance：18pF
ESR (Equivalent Series Resistance)：300 Ohms
Operating Mode：Fundamental
Operating Temperature：-10°C ~ 70°C
Ratings：-
Mounting Type：Through Hole
Package / Case：HC-49/US
Size / Dimension：0.447" L x 0.190" W (11.35mm x 4.85mm)
Height - Seated (Max)：0.146" (3.70mm)

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LFXTAL078520B

Overview

The LFXTAL078520B is a through-hole quartz crystal manufactured by IQD Frequency Products. It operates at a nominal frequency of 3.6864 MHz with a frequency tolerance of ±30 ppm and stability of ±50 ppm. The component features an 18 pF load capacitance and a maximum equivalent series resistance (ESR) of 300 Ohms. Designed for base harmonic operation, it supports a temperature range of -40°C to +85°C. The physical package is HC49/3.5H, measuring 3.2 x 2.5 x 0.8 mm.

Feature Summary

Through-hole mounting configuration in HC49/3.5H package
High-frequency operation at 3.6864 MHz
Extended industrial temperature range capability

Applications

Industrial control systems requiring stable clock references
Communication equipment utilizing standard baud rates
Microcontroller clock generation circuits

Procurement Notes

Verify the specific suffix designation against official IQD documentation to confirm exact electrical tolerances and packaging type. Ensure the procurement channel provides valid traceability for RoHS compliance status. Cross-reference the manufacturer part number with distributor catalogs to confirm availability and lead times prior to order placement.

Selection Notes

Select this component when a through-hole crystal is required for 3.6864 MHz applications. Verify that the circuit design accommodates the specified 18 pF load capacitance and 300 Ohm ESR limit. Confirm that the HC49/3.5H footprint matches the PCB layout requirements and that the operating temperature range meets the environmental specifications of the target application.

Part Context

This part belongs to the IQD Frequency Products quartz crystal portfolio, which includes various oscillators and resonators. The LFXTAL series typically encompasses both surface-mount and through-hole options designed for general-purpose timing applications. IQD supplies these components for use in consumer, industrial, and telecommunications electronics requiring precise frequency control.