FN2500183 Equivalent & Substitute Parts

Part Overview

The FN2500183 is a 25.001 MHz XO (Standard) CMOS Oscillator manufactured by Diodes Incorporated, part of the SaRonix-eCera™ FN series. This surface mount crystal oscillator operates at 3.3V with enable/disable functionality, designed for applications requiring precise frequency generation in a compact 4-SMD, No Lead package. The part is currently active in production with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts may be required due to inventory constraints, procurement lead times, or specific packaging preferences while maintaining identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Frequency	25.001 MHz
Output Type	CMOS
Supply Voltage	3.3V
Frequency Stability	±25ppm
Operating Temperature Range	-20°C ~ 70°C
Current Supply (Max)	15mA
Current Supply (Disable)	10µA
Package Type	4-SMD, No Lead
Package Dimensions	7.00mm x 5.00mm x 1.80mm (Max Height)
Function	Enable/Disable
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the FN2500183 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part FN2500164 qualifies as a parametric equivalent based on the following criteria:

Critical Matching Parameters:

Identical frequency: 25.001 MHz
Identical output type: CMOS
Identical supply voltage: 3.3V
Identical frequency stability: ±25ppm
Identical operating temperature range: -20°C ~ 70°C
Identical current specifications: 15mA (max), 10µA (disable)
Identical package type: 4-SMD, No Lead
Identical physical dimensions: 7.00mm x 5.00mm x 1.80mm (max height)
Identical enable/disable function
Identical compliance certifications: ROHS3, MSL 1

The only difference between FN2500183 and FN2500164 is the packaging format (tape/reel versus bulk), which does not affect electrical or mechanical compatibility in circuit applications.

Parameter Comparison

Parameter	FN2500183	FN2500164	Match
Manufacturer	Diodes Incorporated	Diodes Incorporated	✓
Series	SaRonix-eCera™ FN	SaRonix-eCera™ FN	✓
Frequency	25.001 MHz	25.001 MHz	✓
Output Type	CMOS	CMOS	✓
Supply Voltage	3.3V	3.3V	✓
Frequency Stability	±25ppm	±25ppm	✓
Operating Temperature	-20°C ~ 70°C	-20°C ~ 70°C	✓
Current Supply (Max)	15mA	15mA	✓
Current Supply (Disable)	10µA	10µA	✓
Package Type	4-SMD, No Lead	4-SMD, No Lead	✓
Dimensions	7.00mm x 5.00mm x 1.80mm	7.00mm x 5.00mm x 1.80mm	✓
Function	Enable/Disable	Enable/Disable	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
MSL Rating	1 (Unlimited)	1 (Unlimited)	✓
Product Status	Active	Active	✓

Engineering Selection Recommendations

Both FN2500183 and FN2500164 are active production parts from Diodes Incorporated with full ROHS3 compliance and identical electrical specifications. Selection between these parts should be based on:

Packaging Availability: FN2500183 is supplied in tape/reel format, while FN2500164 is supplied in bulk packaging. Choose based on procurement quantity requirements and assembly line compatibility.

Inventory Status: FN2500164 currently has higher inventory availability (852 Pcs) compared to FN2500183 (706 Pcs), making it suitable for applications with immediate procurement needs.

Compliance Requirements: Both parts meet ROHS3, REACH Unaffected, and MSL 1 standards, ensuring compatibility with modern manufacturing and environmental regulations.

Circuit Integration: No circuit redesign or PCB layout modifications are required when substituting between these parts, as all electrical parameters, pin configurations, and physical dimensions are identical.

Frequently Asked Questions (FAQ)

Q: Can FN2500164 be used as a direct replacement for FN2500183 in existing designs?

A: Yes. FN2500164 is a parametric equivalent with identical electrical specifications, frequency, output type, supply voltage, current consumption, operating temperature range, and physical package dimensions. No circuit modifications are required.

Q: What is the difference between FN2500183 and FN2500164?

A: The only difference is packaging format. FN2500183 is supplied in tape/reel format, while FN2500164 is supplied in bulk. All electrical and mechanical specifications are identical.

Q: Are there any compatibility concerns with PCB assembly?

A: No. Both parts use the identical 4-SMD, No Lead package with 7.00mm x 5.00mm x 1.80mm (max height) dimensions. PCB footprints, solder reflow profiles, and pick-and-place programming require no changes.

Q: Do both parts meet the same compliance standards?

A: Yes. Both FN2500183 and FN2500164 are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity ratings.

Q: Which part should be selected for high-volume production?

A: Selection should be based on packaging preference and inventory availability. FN2500164 currently has higher stock levels, making it suitable for immediate large-volume orders. FN2500183 in tape/reel format may be preferred for automated assembly lines requiring continuous feed.

Q: Is frequency stability identical between both parts?

A: Yes. Both parts maintain ±25ppm frequency stability across the -20°C ~ 70°C operating temperature range.

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