LFXTAL072787 50 MHz Crystal Equivalent & Substitute Parts

Part Overview

The LFXTAL072787 is a 50 MHz fundamental mode crystal manufactured by IQD Frequency Products, designed for surface mount applications requiring precise frequency control. This active product is specified with 18pF load capacitance, 35 Ohms equivalent series resistance, and operates across the -40°C to 85°C temperature range. The component is packaged in a 4-SMD, No Lead configuration with RoHS3 compliance.

Substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or manufacturer preference while maintaining identical electrical and mechanical specifications.

Substiute Parts

LFXTAL072787
IQD Frequency ProductsIn Stock: 1796LFXTAL072787 Datasheet
LFXTAL072787
Current Part
ABM8-50.000MHZ-D2X-T
Abracon LLCIn Stock: 1747ABM8-50.000MHZ-D2X-T Datasheet
ABM8-50.000MHZ-D2X-T
Parametric Equivalent

Key Parameters

Parameter Value Unit
Frequency 50.0000 MHz
Frequency Tolerance ±20 ppm
Frequency Stability ±30 ppm
Load Capacitance 18 pF
Equivalent Series Resistance (ESR) 35 Ohms
Operating Mode Fundamental
Operating Temperature Range -40 to 85 °C
Package Type 4-SMD, No Lead
Physical Dimensions 3.20 x 2.50 x 0.80 mm (L x W x H)
Mounting Type Surface Mount
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the LFXTAL072787 is determined by strict equivalence across the following critical parameters:

Frequency Specification: Exact match at 50.0000 MHz Load Capacitance: Exact match at 18pF Equivalent Series Resistance: Exact match at 35 Ohms Operating Temperature Range: Minimum coverage of -40°C to 85°C Package Configuration: Identical 4-SMD, No Lead form factor Physical Dimensions: Matching 3.20mm x 2.50mm x 0.80mm maximum height Mounting Technology: Surface mount compatibility Compliance Standards: RoHS3 compliance required

The substitute part ABM8-50.000MHZ-D2X-T from Abracon LLC meets all specified parameters and is classified as a parametric equivalent.

Parameter Comparison

Parameter LFXTAL072787 (IQD) ABM8-50.000MHZ-D2X-T (Abracon) Match Status
Manufacturer IQD Frequency Products Abracon LLC Different
Series CFPX-180 ABM8 Different
Frequency 50.0000 MHz 50.0000 MHz Identical
Frequency Tolerance ±20 ppm ±20 ppm Identical
Load Capacitance 18 pF 18 pF Identical
ESR 35 Ohms 35 Ohms Identical
Operating Mode Fundamental Fundamental Identical
Operating Temperature -40°C to 85°C -40°C to 85°C Identical
Package / Case 4-SMD, No Lead 4-SMD, No Lead Identical
Physical Dimensions 3.20 x 2.50 x 0.80 mm 3.20 x 2.50 x 0.80 mm Identical
Mounting Type Surface Mount Surface Mount Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Product Status Active Active Identical

Engineering Selection Recommendations

Both the LFXTAL072787 and ABM8-50.000MHZ-D2X-T are active products with full RoHS3 compliance and REACH unaffected status. Selection between these components is based on availability and supply chain requirements rather than technical differentiation.

The LFXTAL072787 (IQD Frequency Products) currently maintains 1699 pieces in stock inventory. The ABM8-50.000MHZ-D2X-T (Abracon LLC) maintains 1726 pieces in stock inventory.

Both components satisfy identical electrical performance requirements, mechanical compatibility, and regulatory compliance. PCB layout and circuit design considerations remain unchanged between substitution options. No design modifications or re-qualification testing is required when transitioning between these parts.

Frequently Asked Questions (FAQ)

Q: Can ABM8-50.000MHZ-D2X-T be used as a direct replacement for LFXTAL072787?

A: Yes. Both components share identical frequency, load capacitance, ESR, operating temperature range, package configuration, and physical dimensions. No circuit modifications are required.

Q: Are there differences in frequency stability between these parts?

A: The LFXTAL072787 specifies ±30ppm frequency stability, while the ABM8-50.000MHZ-D2X-T specifies ±20ppm frequency stability. Both meet the ±20ppm frequency tolerance requirement. The ABM8 provides tighter stability performance.

Q: Do these crystals require different PCB footprints?

A: No. Both components use identical 4-SMD, No Lead packaging with matching 3.20mm x 2.50mm x 0.80mm dimensions. PCB footprints and assembly processes remain unchanged.

Q: Are both parts suitable for -40°C to 85°C operating environments?

A: Yes. Both components are specified for the full -40°C to 85°C operating temperature range.

Q: What is the load capacitance requirement for circuit design?

A: Both components require 18pF load capacitance. Oscillator circuit design parameters remain identical between parts.

Q: Are there compliance or certification differences?

A: Both components are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Regulatory status is equivalent.

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