LFXTAL055316 Equivalent & Substitute Parts

Part Overview

The LFXTAL055316 is a 16 MHz fundamental mode crystal oscillator manufactured by IQD Frequency Products, designed for surface mount applications in the CFPX-180 series. This active product operates across a temperature range of -10°C to 60°C with a load capacitance of 10pF and an equivalent series resistance of 70 Ohms. The component is packaged in a 4-SMD, No Lead configuration with RoHS3 compliance and REACH unaffected status.

Substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility is required while maintaining electrical and mechanical compatibility within specified parameters.

Key Parameters

Parameter	Value	Unit
Frequency	16.0000	MHz
Frequency Tolerance	±10	ppm
Load Capacitance	10	pF
Equivalent Series Resistance (ESR)	70	Ohms
Operating Mode	Fundamental	—
Operating Temperature Range	-10 to 60	°C
Package Type	4-SMD, No Lead	—
Physical Dimensions	3.20 x 2.50 x 0.80 (max)	mm
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the LFXTAL055316 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Frequency: 16.0000 MHz (exact match required)
Frequency Tolerance: ±10 ppm (exact match required)
Load Capacitance: 10 pF (exact match required)
Equivalent Series Resistance: 70 Ohms (exact match required)
Operating Mode: Fundamental (exact match required)
Operating Temperature Range: -10°C to 60°C (minimum coverage required)
Package Type: 4-SMD, No Lead (exact match required)
Physical Dimensions: 3.20mm L x 2.50mm W x 0.80mm H maximum (exact match required)
Mounting Type: Surface Mount (exact match required)
Regulatory Compliance: RoHS3 Compliant, REACH Unaffected (minimum compliance required)

Parts meeting all mandatory parameters are classified as parametric equivalents and direct substitutes. No deviations from these specifications are permitted for substitution classification.

Parameter Comparison

Parameter	LFXTAL055316 (IQD)	ABM8-16.000MHZ-10-1-U-T (Abracon)	Match Status
Manufacturer	IQD Frequency Products	Abracon LLC	Different
Series	CFPX-180	ABM8	Different
Frequency	16.0000 MHz	16.0000 MHz	Match
Frequency Tolerance	±10 ppm	±10 ppm	Match
Frequency Stability	±50 ppm	±10 ppm	Abracon Superior
Load Capacitance	10 pF	10 pF	Match
ESR	70 Ohms	70 Ohms	Match
Operating Mode	Fundamental	Fundamental	Match
Operating Temperature	-10°C to 60°C	-10°C to 60°C	Match
Mounting Type	Surface Mount	Surface Mount	Match
Package / Case	4-SMD, No Lead	4-SMD, No Lead	Match
Dimensions	3.20 x 2.50 x 0.80 mm	3.20 x 2.50 x 0.80 mm	Match
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Match
REACH Status	REACH Unaffected	REACH Unaffected	Match
Product Status	Active	Active	Match

Engineering Selection Recommendations

The ABM8-16.000MHZ-10-1-U-T manufactured by Abracon LLC is a direct parametric equivalent to the LFXTAL055316. Both components satisfy all mandatory electrical and mechanical specifications for 16 MHz crystal oscillator applications.

Selection Basis:

Both parts are active products with current manufacturing status and full regulatory compliance (RoHS3 Compliant, REACH Unaffected). The electrical parameters—frequency, tolerance, load capacitance, and ESR—are identical across both components. Physical dimensions and mounting characteristics are equivalent, ensuring PCB layout compatibility without redesign.

The Abracon ABM8 series demonstrates frequency stability of ±10 ppm, which equals the tolerance specification and represents equivalent performance to the IQD CFPX-180 series. Both components operate across the identical temperature range of -10°C to 60°C.

Component selection between these two parts may be based on supply availability, lead time, packaging format preference (Tape & Reel versus Cut Tape & Digi-Reel), or established supplier relationships, as all technical parameters are equivalent.

Frequently Asked Questions (FAQ)

Q: Can the ABM8-16.000MHZ-10-1-U-T replace the LFXTAL055316 without circuit modification?

A: Yes. Both components are parametric equivalents with identical frequency, tolerance, load capacitance, ESR, operating temperature range, and package dimensions. No circuit modifications are required for direct substitution.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both the LFXTAL055316 and ABM8-16.000MHZ-10-1-U-T measure 3.20mm length x 2.50mm width x 0.80mm maximum height. PCB footprints and assembly processes remain unchanged.

Q: What is the difference between the packaging options listed?

A: The LFXTAL055316 is supplied in Tape & Reel (TR) format. The ABM8-16.000MHZ-10-1-U-T is available in both Cut Tape (CT) and Digi-Reel® formats. Both packaging types contain identical components; packaging format selection depends on assembly line requirements and order quantities.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both components are RoHS3 Compliant and REACH Unaffected. ECCN and HTSUS classifications are identical (EAR99 and 8541.60.0050 respectively).

Q: Is frequency stability different between these parts?

A: The LFXTAL055316 specifies ±50 ppm frequency stability, while the ABM8-16.000MHZ-10-1-U-T specifies ±10 ppm. Both meet the ±10 ppm frequency tolerance requirement. The Abracon part demonstrates tighter stability performance.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. Identical electrical specifications, operating temperature range, and package dimensions permit direct substitution in existing circuit designs without layout or schematic modifications.

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