X2FCCLNANF-16.000000 Equivalent & Substitute Parts

Part Overview

The X2FCCLNANF-16.000000 is a 16 MHz fundamental mode crystal oscillator manufactured by Taitien, designed for surface mount applications in the 4-SMD, No Lead package. This part operates across the industrial temperature range of -40°C to 85°C with ±20ppm frequency stability and carries ROHS3 compliance. The product is currently listed as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	X2FCCLNANF-16.000000
Manufacturer	Taitien
Frequency	16 MHz
Frequency Stability	±20ppm
Load Capacitance	16pF
ESR (Equivalent Series Resistance)	100 Ohms
Operating Mode	Fundamental
Operating Temperature Range	-40°C to 85°C
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)	0.035" (0.90mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the X2FCCLNANF-16.000000 is determined by the following critical parameters:

Primary Matching Criteria:

Frequency: 16 MHz (exact match required)
Frequency Stability: ±20ppm (exact match required)
Operating Mode: Fundamental
Operating Temperature Range: -40°C to 85°C (exact match required)
Mounting Type: Surface Mount
Package / Case: 4-SMD, No Lead (exact match required)

Secondary Compatibility Parameters:

Load Capacitance: 16pF (primary specification; 12pF and 18pF variants acceptable with circuit design verification)
ESR: 100 Ohms (primary specification; variations between 50-200 Ohms acceptable with circuit design verification)
Size / Dimension: 3.20mm x 2.50mm preferred; 2.00mm x 1.60mm acceptable with PCB layout verification

Compliance Requirements:

RoHS3 Compliance (required)
Moisture Sensitivity Level 1 (required)

Substitute parts must match all primary criteria. Secondary parameters may vary within specified ranges depending on circuit design requirements and PCB layout constraints.

Parameter Comparison

Parameter	X2FCCLNANF-16.000000 (Main)	402F16022IDR	402F16022ILR	7M-16.000MDIE-T	7M16070011	8Y-16.000MDIE-T	FL1600185Q
Manufacturer	Taitien	CTS-Frequency Controls	CTS-Frequency Controls	TXC CORPORATION	TXC CORPORATION	TXC CORPORATION	Diodes Incorporated
Frequency	16 MHz	16 MHz	16 MHz	16 MHz	16 MHz	16 MHz	16 MHz
Frequency Stability	±20ppm	±20ppm	±20ppm	±20ppm	±20ppm	±20ppm	±20ppm
Load Capacitance	16pF	18pF	12pF	12pF	12pF	12pF	16pF
ESR (Equivalent Series Resistance)	100 Ohms	120 Ohms	120 Ohms	80 Ohms	Not Specified	200 Ohms	50 Ohms
Operating Mode	Fundamental	Fundamental	Fundamental	Fundamental	Not Specified	Fundamental	Fundamental
Operating Temperature Range	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead
Size / Dimension	3.20mm x 2.50mm	2.00mm x 1.60mm	2.00mm x 1.60mm	3.20mm x 2.50mm	3.20mm x 2.50mm	2.00mm x 1.60mm	3.20mm x 2.50mm
Height - Seated (Max)	0.90mm	0.55mm	0.55mm	0.80mm	0.80mm	0.55mm	0.78mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Obsolete	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Substitutes (Highest Compatibility):

FL1600185Q (Diodes Incorporated) is the closest functional equivalent to the X2FCCLNANF-16.000000. Both parts share identical load capacitance (16pF), matching frequency, stability, temperature range, and package dimensions (3.20mm x 2.50mm). FL1600185Q carries ROHS3 compliance and active product status. The ESR difference (50 Ohms vs. 100 Ohms) is within acceptable operating margins for most applications. FL1600185Q includes AEC-Q200 automotive qualification, providing additional reliability assurance.

Secondary Substitutes (Load Capacitance Variation):

402F16022IDR and 402F16022ILR (CTS-Frequency Controls) are active products with ROHS3 compliance. Both feature smaller package dimensions (2.00mm x 1.60mm) and reduced height (0.55mm), suitable for space-constrained designs. 402F16022IDR specifies 18pF load capacitance with 120 Ohms ESR. 402F16022ILR specifies 12pF load capacitance with 120 Ohms ESR. These parts require circuit design verification due to load capacitance deviation from the original 16pF specification.

7M-16.000MDIE-T (TXC CORPORATION) matches the original package dimensions (3.20mm x 2.50mm) with 12pF load capacitance and 80 Ohms ESR. This part carries RoHS compliance and active product status. The lower ESR and reduced load capacitance require circuit design verification.

7M16070011 (TXC CORPORATION) provides identical package dimensions (3.20mm x 2.50mm) and 12pF load capacitance. ESR is not specified. This part carries RoHS compliance and active product status. Operating mode is not specified in the data provided.

8Y-16.000MDIE-T (TXC CORPORATION) features the smaller package (2.00mm x 1.60mm) with 12pF load capacitance and 200 Ohms ESR. This part carries RoHS compliance and active product status. The higher ESR and reduced load capacitance require circuit design verification.

Selection Criteria:

For direct replacement without circuit modification: FL1600185Q
For space-constrained PCB layouts: 402F16022IDR, 402F16022ILR, or 8Y-16.000MDIE-T
For matching original package footprint: 7M-16.000MDIE-T or 7M16070011
For automotive applications: FL1600185Q (AEC-Q200 rated)

All substitute parts meet the mandatory requirements of 16 MHz frequency, ±20ppm stability, -40°C to 85°C operating range, 4-SMD No Lead package, and MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with different load capacitance (12pF or 18pF instead of 16pF)?

A: Load capacitance affects the oscillation frequency and circuit stability. Substitutes with 12pF or 18pF load capacitance require circuit design verification. The oscillator circuit must be re-tuned or validated to confirm frequency accuracy remains within ±20ppm specification. Consult your circuit design documentation and oscillator circuit schematic before selecting a part with different load capacitance.

Q: What is the impact of ESR (Equivalent Series Resistance) differences?

A: ESR affects oscillator startup time, power consumption, and frequency stability. The X2FCCLNANF-16.000000 specifies 100 Ohms ESR. Substitute parts range from 50 Ohms to 200 Ohms. Lower ESR (50 Ohms) reduces power consumption but may require circuit tuning. Higher ESR (120-200 Ohms) increases power consumption and startup time. Circuit design verification is required for ESR variations exceeding ±30 Ohms from the original specification.

Q: Can I use a smaller package (2.00mm x 1.60mm) instead of the original 3.20mm x 2.50mm?

A: Smaller packages are physically compatible with the 4-SMD, No Lead footprint but require PCB layout verification. Reduced package dimensions may affect thermal dissipation and PCB routing. Confirm that your PCB design accommodates the smaller footprint and that thermal performance remains acceptable for your application.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts carry either ROHS3 or RoHS compliance. ROHS3 compliance is preferred for new designs. Parts marked as RoHS Compliant (7M-16.000MDIE-T, 7M16070011, 8Y-16.000MDIE-T) meet RoHS requirements but may not include the additional restrictions of ROHS3. Verify compliance requirements for your specific application and regulatory jurisdiction.

Q: Which substitute part is best for automotive applications?

A: FL1600185Q carries AEC-Q200 automotive qualification, making it the recommended choice for automotive applications. All other substitute parts are industrial-grade components without automotive certification.

Q: What is Moisture Sensitivity Level (MSL) 1, and why does it matter?

A: MSL 1 indicates unlimited shelf life without moisture absorption concerns. All listed parts, including the original X2FCCLNANF-16.000000 and all substitutes, carry MSL 1 rating. This means standard storage conditions apply without special desiccant packaging requirements.

Q: Can I mix substitute parts from different manufacturers in the same design?

A: While all substitute parts meet the same frequency, stability, and temperature specifications, mixing parts from different manufacturers (Taitien, CTS-Frequency Controls, TXC CORPORATION, Diodes Incorporated) in the same design is not recommended. Different manufacturers may have slight variations in frequency tolerance, ESR, or startup characteristics. Use a single part number across your design for consistency and predictable performance.

Q: What should I do if the original X2FCCLNANF-16.000000 is no longer available?

A: The X2FCCLNANF-16.000000 is listed as obsolete. FL1600185Q is the recommended direct replacement due to matching load capacitance and package dimensions. If FL1600185Q is unavailable, select a substitute based on your specific design constraints: prioritize load capacitance match for minimal circuit changes, or prioritize package size if PCB space is critical. All substitute parts are active products with confirmed inventory availability.

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