FN1000057 Equivalent & Substitute Parts

Part Overview

The FN1000057 is a 10 MHz crystal oscillator manufactured by Diodes Incorporated, part of the SaRonix-eCera™ FN series. This CMOS oscillator operates at 3.3V with enable/disable functionality and is housed in a 4-SMD, No Lead package. The device is currently in active production status with 702 units in stock. Alternative equivalent parts may be required due to supply constraints, design flexibility, or procurement preferences.

Key Parameters

Parameter	Value
Frequency	10 MHz
Output Type	CMOS
Supply Voltage	3.3V
Function	Enable/Disable
Frequency Stability	±50ppm
Operating Temperature Range	-40°C ~ 85°C
Package Type	4-SMD, No Lead
Package Dimensions	7.00mm x 5.00mm
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the FN1000057 is determined by strict equivalence across the following critical parameters:

Frequency: 10 MHz (exact match required)
Output Configuration: CMOS output
Supply Voltage: 3.3V
Functional Control: Enable/Disable capability
Frequency Stability: ±50ppm
Operating Temperature Range: -40°C ~ 85°C
Package Type: 4-SMD, No Lead
Package Dimensions: 7.00mm x 5.00mm
Regulatory Compliance: ROHS3 Compliant

The SXO75C3A481-10.000M from Suntsu Electronics, Inc. meets all substitution criteria and is classified as a direct equivalent.

Parameter Comparison

Parameter	FN1000057 (Diodes)	SXO75C3A481-10.000M (Suntsu)	Match Status
Manufacturer	Diodes Incorporated	Suntsu Electronics, Inc.	Different Manufacturer
Frequency	10 MHz	10 MHz	Equivalent
Output Type	CMOS	CMOS	Equivalent
Supply Voltage	3.3V	3.3V	Equivalent
Function	Enable/Disable	Enable/Disable	Equivalent
Frequency Stability	±50ppm	±50ppm	Equivalent
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Equivalent
Package Type	4-SMD, No Lead	4-SMD, No Lead	Equivalent
Package Dimensions	7.00mm x 5.00mm	7.00mm x 5.00mm	Equivalent
Max Supply Current	15mA	16mA	Compatible
Height - Seated (Max)	1.80mm	1.60mm	Compatible
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Product Status	Active	Active	Equivalent

Engineering Selection Recommendations

Both the FN1000057 and SXO75C3A481-10.000M are active production components with ROHS3 compliance and identical electrical specifications. The SXO75C3A481-10.000M exhibits a lower seated height (1.60mm vs. 1.80mm) and marginally higher supply current (16mA vs. 15mA), both within acceptable design tolerances for standard applications. Selection between these parts should be based on availability, procurement lead time, and cost considerations, as functional and mechanical compatibility is established.

Frequently Asked Questions (FAQ)

Q: Can the SXO75C3A481-10.000M be used as a direct replacement for the FN1000057?

A: Yes. Both parts share identical frequency, output type, supply voltage, enable/disable function, frequency stability, operating temperature range, and package dimensions. The SXO75C3A481-10.000M is electrically and mechanically compatible.

Q: Are there differences in current consumption between these parts?

A: The SXO75C3A481-10.000M has a maximum supply current of 16mA compared to 15mA for the FN1000057. This 1mA difference is within typical design margins and does not affect substitution eligibility.

Q: Does the height difference affect PCB layout?

A: The SXO75C3A481-10.000M has a maximum seated height of 1.60mm versus 1.80mm for the FN1000057. This 0.20mm reduction is beneficial for space-constrained designs and does not create compatibility issues.

Q: Are both parts RoHS compliant?

A: Yes. Both the FN1000057 and SXO75C3A481-10.000M are ROHS3 compliant and suitable for applications requiring environmental compliance.

Q: What is the frequency stability specification for these oscillators?

A: Both parts maintain a frequency stability of ±50ppm across the operating temperature range of -40°C to 85°C.

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