FN2500154 Equivalent & Substitute Parts

Part Overview

The FN2500154 is a 25 MHz XO (Standard) CMOS Oscillator manufactured by Diodes Incorporated, part of the SaRonix-eCera™ FN series. This surface mount crystal oscillator operates at 2.5V with Enable/Disable functionality, housed in a 4-SMD, No Lead package. The device is Active status and ROHS3 compliant, suitable for applications requiring stable frequency generation with low power consumption in disabled mode.

Substitute parts are identified when electrical characteristics, mechanical compatibility, and compliance certifications remain equivalent or superior while maintaining the same functional interface.

Substiute Parts

FN2500154

Diodes IncorporatedIn Stock: 1019FN2500154 Datasheet

Current PartRFQ

FN2500155

Diodes IncorporatedIn Stock: 855FN2500155 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

The FN2500155 qualifies as a direct substitute for the FN2500154 based on the following equivalence criteria:

Electrical Compatibility:

• Identical frequency: 25 MHz
• Identical output type: CMOS
• Identical supply voltage: 2.5V
• Identical enable/disable function
• Identical maximum supply current: 15mA
• Identical disabled mode current: 10µA
• Identical operating temperature range: -20°C ~ 70°C

Mechanical Compatibility:

• Identical package: 4-SMD, No Lead
• Identical dimensions: 0.276" L x 0.197" W (7.00mm x 5.00mm)
• Identical seated height: 0.071" (1.80mm)
• Identical mounting type: Surface Mount

Compliance & Certification:

• Identical RoHS status: ROHS3 Compliant
• Identical MSL rating: 1 (Unlimited)
• Identical REACH status: REACH Unaffected
• Identical ECCN: EAR99
• Identical HTSUS code: 8542.39.0001

Differentiation: The FN2500155 provides improved frequency stability at ±25ppm compared to the FN2500154 at ±50ppm, representing a performance upgrade while maintaining full backward compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both FN2500154 and FN2500155 are Active status products from Diodes Incorporated with full ROHS3 compliance and REACH unaffected certification. The FN2500155 represents a performance-enhanced variant with tighter frequency stability (±25ppm vs ±50ppm) while maintaining identical electrical and mechanical specifications.

Selection between these parts depends on application frequency stability requirements. The FN2500155 is suitable for applications requiring tighter tolerance control. The FN2500154 remains appropriate for applications where ±50ppm stability is acceptable. Both parts are pin-compatible and require no circuit modifications for substitution.

Frequently Asked Questions (FAQ)

Q: Can FN2500155 replace FN2500154 in existing designs? A: Yes. The FN2500155 is a direct substitute with identical pinout, package, voltage, frequency, and current specifications. No PCB or circuit modifications are required.

Q: What is the primary difference between these parts? A: The FN2500155 provides improved frequency stability at ±25ppm compared to the FN2500154 at ±50ppm. All other electrical and mechanical parameters are identical.

Q: Are both parts available in the same package? A: Yes. Both use the 4-SMD, No Lead package with identical dimensions of 7.00mm x 5.00mm and 1.80mm seated height.

Q: Do both parts meet the same compliance standards? A: Yes. Both are ROHS3 compliant, REACH unaffected, with MSL rating of 1 (Unlimited), and identical ECCN and HTSUS classifications.

Q: Which part should I select for new designs? A: For new designs, the FN2500155 is recommended due to superior frequency stability. For cost-sensitive applications where ±50ppm stability is acceptable, the FN2500154 remains a valid choice.

Q: Are there any thermal or power consumption differences? A: No. Both parts have identical maximum supply current (15mA) and disabled mode current (10µA), with the same operating temperature range of -20°C to 70°C.