ILCX18-FF5F10-40.000MHZ

Description：CRYSTAL 40.0000MHZ 10PF SMD
Series：ILCX18
Mfr：ILSI
Package：Cut Tape (CT)

SKU:c51ac5617d8a Category: Crystals Brand: ILSI

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Product introduction

ILCX18-FF5F10-40.000MHZ is listed in the Crystals range at ChipApex. The manufacturer field lists ILSI. Its product description is CRYSTAL 40.0000MHZ 10PF SMD. Review the specifications below when checking this part for your BOM.

Crystals specifications for ILCX18-FF5F10-40.000MHZ

Description：CRYSTAL 40.0000MHZ 10PF SMD
Series：ILCX18
Mfr：ILSI
Package：Cut Tape (CT)
Type：MHz Crystal
Frequency：40 MHz
Frequency Stability：±30ppm
Frequency Tolerance：±30ppm
Load Capacitance：10pF
ESR (Equivalent Series Resistance)：40 Ohms
Operating Mode：Fundamental
Operating Temperature：-40°C ~ 85°C
Ratings：-
Mounting Type：Surface Mount
Package / Case：4-SMD, No Lead
Size / Dimension：0.098" L x 0.079" W (2.50mm x 2.00mm)
Height - Seated (Max)：0.026" (0.65mm)

Crystals datasheet and documents for ILCX18-FF5F10-40.000MHZ

ILCX18-FF5F10-40.000MHZ

Crystals Overview

The ILCX18-FF5F10-40.000MHZ is a parallel fundamental quartz crystal with a nominal frequency of 40 MHz, packaged in a 4-pin surface-mount configuration. It features a load capacitance of 10 pF and a maximum equivalent series resistance of 80 ohms. The component offers a frequency tolerance of ±30 ppm at 25°C and stability over temperature of 0.001%. Operating within a specified temperature range, it utilizes an AT-cut design with a drive level of 100 µW and aging of 5 ppm per year.

Crystals Feature Summary

Ultra miniature SMD package compatible with lead-free processing
Low cost parallel fundamental quartz crystal design
AT-cut construction for stable frequency performance

Crystals Applications

Fibre Channel Server & Storage
Sonet /SDH systems
802.11 / Wifi networks
T1/E1, T3/E3 interfaces

Crystals Procurement Notes

Verify the specific part number against official manufacturer documentation to confirm exact specifications. Ensure compatibility with lead-free assembly processes if required by the manufacturing environment. Cross-reference technical parameters such as load capacitance and ESR with circuit design requirements before finalizing procurement decisions.

Crystals Selection Notes

Select this component for applications requiring a 40 MHz reference signal in compact surface-mount designs. Consider the 10 pF load capacitance and 80 ohm maximum ESR when designing oscillator circuits. Evaluate the operating temperature range and aging characteristics against long-term stability requirements for the target application.

Crystals Part Context

This part belongs to the ILCX18 series of ultra-miniature quartz crystals manufactured by ILSI. The series is characterized by small physical dimensions and compatibility with standard surface-mount reflow soldering processes. These components are designed for high-volume consumer and industrial electronics where space constraints and cost efficiency are critical factors.