FDA000019 100 MHz CMOS Oscillator Equivalent & Substitute Parts

Part Overview

The FDA000019 is a 100 MHz XO (Standard) CMOS oscillator manufactured by Diodes Incorporated, part of the SaRonix-eCera™ FD series. This surface mount crystal oscillator operates at 3.3V with Enable/Disable functionality and is housed in a 4-SMD, No Lead package. The device is Active status and widely used in digital timing applications requiring stable 100 MHz frequency reference signals. Substitute parts are identified when original stock is unavailable or when design requirements permit alternative manufacturers meeting identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Frequency	100 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	5.00mm x 3.20mm
Maximum Height	1.30mm
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the FDA000019 are qualified based on the following critical parameters that must match or exceed the main part specifications:

Frequency: 100 MHz (exact match required)
Output: CMOS (exact match required)
Supply Voltage: 3.3V (exact match required)
Function: Enable/Disable (exact match required)
Package Type: 4-SMD, No Lead (exact match required)
Package Dimensions: 5.00mm x 3.20mm (exact match required)
Frequency Stability: ±50ppm (exact match required)
RoHS Compliance: ROHS3 Compliant (exact match required)

The identified substitute parts meet all these criteria and are therefore electrically and mechanically interchangeable with the FDA000019 in applications where the specified operating temperature range and current consumption are acceptable.

Parameter Comparison

Parameter	FDA000019 (Diodes)	FDA000017 (Diodes)	SXO53C3A481-100.000M (Suntsu)
Manufacturer	Diodes Incorporated	Diodes Incorporated	Suntsu Electronics, Inc.
Frequency	100 MHz	100 MHz	100 MHz
Output Type	CMOS	CMOS	CMOS
Supply Voltage	3.3V	3.3V	3.3V
Function	Enable/Disable	Enable/Disable	Enable/Disable
Frequency Stability	±50ppm	±50ppm	±50ppm
Operating Temperature	-40°C ~ 85°C	-20°C ~ 70°C	-40°C ~ 85°C
Current - Supply (Max)	45mA	45mA	50mA
Current - Supply (Disable) (Max)	10µA	10µA	Not specified
Package Type	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead
Package Dimensions	5.00mm x 3.20mm	5.00mm x 3.20mm	5.00mm x 3.20mm
Maximum Height	1.30mm	1.30mm	1.40mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active

Engineering Selection Recommendations

FDA000019 (Primary Part): Recommended for applications requiring the full operating temperature range of -40°C to 85°C. All parts are Active status with ROHS3 compliance and REACH unaffected designation, confirming regulatory compliance for industrial and commercial applications.

FDA000017 (Diodes Manufacturer Substitute): Suitable for applications with operating temperature requirements limited to -20°C to 70°C. Identical electrical specifications and package dimensions to the FDA000019. Recommended when Diodes Incorporated supply chain preference is required and temperature range constraints are acceptable.

SXO53C3A481-100.000M (Suntsu Cross-Manufacturer Substitute): Qualified for applications requiring the full -40°C to 85°C operating temperature range. Maximum supply current is 50mA compared to 45mA for Diodes parts. Maximum seated height is 1.40mm versus 1.30mm for the FDA000019. Recommended when Suntsu Electronics supply is preferred and the slightly increased height and current specifications are acceptable for the application.

Frequently Asked Questions (FAQ)

Q: Can FDA000017 be used in place of FDA000019? A: FDA000017 is electrically and mechanically compatible with FDA000019 provided the application operating temperature does not exceed 70°C or fall below -20°C. Both parts are manufactured by Diodes Incorporated with identical frequency, output type, supply voltage, and package specifications.

Q: What are the differences between the Diodes and Suntsu oscillators? A: The SXO53C3A481-100.000M from Suntsu Electronics differs in three parameters: maximum supply current (50mA vs. 45mA), maximum seated height (1.40mm vs. 1.30mm), and disable mode current is not specified. All other electrical and mechanical parameters are identical.

Q: Is the 0.10mm height difference between FDA000019 and SXO53C3A481-100.000M significant? A: The height difference of 0.10mm (1.30mm vs. 1.40mm) must be evaluated against specific PCB layout and enclosure clearance requirements. This difference is within typical manufacturing tolerances but should be confirmed for space-constrained applications.

Q: Are all substitute parts RoHS compliant? A: Yes. FDA000019, FDA000017, and SXO53C3A481-100.000M are all ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Which substitute part should be selected for maximum temperature range coverage? A: Both FDA000019 and SXO53C3A481-100.000M support the full -40°C to 85°C operating temperature range. FDA000017 is limited to -20°C to 70°C and should not be used for applications requiring extended temperature operation.

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