FL1600175 16 MHz Crystal Equivalent & Substitute Parts

Part Overview

The FL1600175 is a 16 MHz fundamental mode crystal manufactured by Diodes Incorporated in the SaRonix-eCera™ FL series. This surface mount device features a 12pF load capacitance, 80 Ohms equivalent series resistance (ESR), and is housed in a 4-SMD, No Lead package measuring 3.20mm × 2.50mm. The part is ROHS3 compliant with MSL 1 rating and is currently in active production status with 828 units in stock.

Substitute parts are necessary when the primary part becomes unavailable, when alternative manufacturers offer improved lead times, or when design flexibility permits selection from multiple qualified sources meeting identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Frequency	16 MHz
Frequency Tolerance	±10ppm
Load Capacitance	12pF
ESR (Equivalent Series Resistance)	80 Ohms
Operating Mode	Fundamental
Operating Temperature Range	-40°C to 85°C
Package / Case	4-SMD, No Lead
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the FL1600175 is determined by strict alignment of the following critical parameters:

Primary Substitution Criteria:

Frequency: 16 MHz (exact match required)
Frequency Tolerance: ±10ppm (exact match required)
Load Capacitance: 12pF (exact match required)
Operating Temperature Range: -40°C to 85°C (exact match required)
Package / Case: 4-SMD, No Lead (exact match required)
Mounting Type: Surface Mount (exact match required)

Secondary Compatibility Parameters:

ESR: 80 Ohms (preferred for direct substitution)
Frequency Stability: ±15ppm (acceptable range)
RoHS Status: ROHS3 Compliant (required)
MSL Rating: 1 (Unlimited) (required)

Parts meeting all primary criteria are classified as direct equivalents. The FL1600175 has one direct equivalent from Aker Technology Corp and one from Jauch Quartz that satisfy all critical parameters with matching 12pF load capacitance and 80 Ohms ESR.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Frequency	Frequency Tolerance	Load Capacitance	ESR (Ohms)	Package	Size (mm)	Height Max (mm)	Inventory (Pcs)
FL1600175	Diodes Incorporated	16 MHz	±10ppm	12pF	80	4-SMD, No Lead	3.20 × 2.50	0.78	828
C3E-16.000-12-1015-X-M	Aker Technology Corp	16 MHz	±10ppm	12pF	100	4-SMD, No Lead	3.20 × 2.50	0.75	2929
C3E-16.000-12-1015-X-R	Aker Technology Corp	16 MHz	±10ppm	12pF	100	4-SMD, No Lead	3.20 × 2.50	0.75	6107
Q 16,0-JXS22-12-10/15-T1-WA-LF	Jauch Quartz	16 MHz	±10ppm	12pF	80	4-SMD, No Lead	2.50 × 2.00	0.60	23851
Q 16,0-JXS32-12-10/15-T1-WA-LF	Jauch Quartz	16 MHz	±10ppm	12pF	50	4-SMD, No Lead	3.20 × 2.50	0.70	100593
Q 16,0-JXS21-10-10/15-T1-WA-LF	Jauch Quartz	16 MHz	±10ppm	10pF	120	4-SMD, No Lead	2.00 × 1.60	0.55	2962
Q 16,0-JXS22-10-10/15-T1-WA-LF	Jauch Quartz	16 MHz	±10ppm	10pF	80	4-SMD, No Lead	2.50 × 2.00	0.60	5778
Q 16,0-JXS32-10-10/15-T1-WA-LF	Jauch Quartz	16 MHz	±10ppm	10pF	50	4-SMD, No Lead	3.20 × 2.50	0.70	3905

Engineering Selection Recommendations

Direct Equivalents (12pF Load Capacitance, 80 Ohms ESR):

The Q 16,0-JXS22-12-10/15-T1-WA-LF from Jauch Quartz is the closest functional equivalent to the FL1600175. Both parts share identical electrical specifications: 16 MHz frequency, ±10ppm tolerance, 12pF load capacitance, and 80 Ohms ESR. The Jauch part features a smaller footprint (2.50mm × 2.00mm versus 3.20mm × 2.50mm) and lower seated height (0.60mm versus 0.78mm), making it suitable for space-constrained applications. Inventory availability is significantly higher at 23,851 units. Both parts are ROHS3 compliant with MSL 1 rating and identical operating temperature range.

Alternative with Modified ESR (12pF Load Capacitance, 50 Ohms ESR):

The Q 16,0-JXS32-12-10/15-T1-WA-LF from Jauch Quartz meets all primary substitution criteria with 12pF load capacitance but features 50 Ohms ESR instead of 80 Ohms. Lower ESR reduces power dissipation and improves frequency stability margin. This part maintains the same footprint as the FL1600175 (3.20mm × 2.50mm) with superior inventory depth (100,593 units). Selection of this part requires circuit validation to confirm ESR tolerance is acceptable for the application.

Aker Technology Alternatives (12pF Load Capacitance, 100 Ohms ESR):

The C3E-16.000-12-1015-X-M and C3E-16.000-12-1015-X-R from Aker Technology Corp both meet primary substitution criteria with 12pF load capacitance but feature 100 Ohms ESR. Higher ESR increases power dissipation compared to the FL1600175. Both variants maintain identical footprint (3.20mm × 2.50mm) with slightly reduced seated height (0.75mm). The -X-R variant offers higher inventory (6,107 units) compared to the -X-M variant (2,929 units). Selection requires confirmation that increased ESR does not exceed circuit power budget or frequency stability requirements.

All recommended substitutes are active production parts with ROHS3 compliance and MSL 1 rating, ensuring long-term availability and environmental compliance alignment with the FL1600175.

Frequently Asked Questions (FAQ)

Q: Can I substitute the FL1600175 with a crystal having 10pF load capacitance?

A: No. The FL1600175 specifies 12pF load capacitance as a critical parameter. Crystals with 10pF load capacitance (such as Q 16,0-JXS21-10-10/15-T1-WA-LF, Q 16,0-JXS22-10-10/15-T1-WA-LF, or Q 16,0-JXS32-10-10/15-T1-WA-LF) will not function correctly in circuits designed for 12pF load capacitance. Load capacitance mismatch causes frequency deviation and circuit instability.

Q: What is the impact of ESR differences between substitute parts?

A: ESR (Equivalent Series Resistance) affects power dissipation and frequency stability. The FL1600175 specifies 80 Ohms ESR. Substitutes with lower ESR (50 Ohms) reduce power dissipation and improve stability margin. Substitutes with higher ESR (100 Ohms) increase power dissipation. Circuit validation is required when ESR differs from the original specification, particularly in applications with tight power budgets or stringent frequency stability requirements.

Q: Are all substitute parts pin-compatible with the FL1600175?

A: Yes. All listed substitutes use the 4-SMD, No Lead package with identical pin configuration and electrical function. Physical footprint differences exist: some substitutes feature smaller dimensions (2.50mm × 2.00mm versus 3.20mm × 2.50mm), which may require PCB layout adjustment but do not affect electrical compatibility.

Q: Can I use a substitute crystal with a different operating temperature range?

A: No. All listed substitutes maintain the identical -40°C to 85°C operating temperature range as the FL1600175. Temperature range is a critical specification for circuit reliability. Substitutes outside this range are not qualified for this application.

Q: What certifications do substitute parts carry?

A: All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the FL1600175 certifications. All parts are REACH unaffected and carry EAR99 ECCN classification with identical HTSUS code 8541.60.0050.

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