AX7PAF2-491.5200C Equivalent & Substitute Parts

Part Overview

The AX7PAF2-491.5200C is a 491.52 MHz XO (Standard) LVPECL oscillator manufactured by Abracon LLC, part of the ClearClock™ AX7 series. This surface mount crystal oscillator operates at 3.3V with enable/disable functionality and is housed in an 8-SMD, No Lead package measuring 7.00mm x 5.00mm. The product is discontinued at DiGi Electronics. Identifying equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for production and maintenance applications.

Substiute Parts

AX7PAF2-491.5200C

Abracon LLCIn Stock: 944AX7PAF2-491.5200C Datasheet

Current PartRFQ

AX7PAF1-491.5200C

Abracon LLCIn Stock: 780AX7PAF1-491.5200C Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AX7PAF2-491.5200C are identified based on strict parametric equivalence across the following critical criteria:

• Frequency: 491.52 MHz (exact match required)
• Output Standard: LVPECL (no alternative output types)
• Supply Voltage: 3.3V (no alternative voltage ratings)
• Function: Enable/Disable capability (required)
• Frequency Stability: ±25ppm (no degradation permitted)
• Operating Temperature: -40°C ~ 85°C (minimum range required)
• Package Type: 8-SMD, No Lead (mechanical compatibility)
• Package Dimensions: 7.00mm x 5.00mm (PCB layout compatibility)
• Compliance: ROHS3 Compliant, MSL 1

The AX7PAF1-491.5200C qualifies as a parametric equivalent substitute, meeting all electrical and mechanical specifications without deviation.

Parameter Comparison

Engineering Selection Recommendations

The AX7PAF1-491.5200C is a direct parametric equivalent to the AX7PAF2-491.5200C. Both parts are manufactured by Abracon LLC within the ClearClock™ AX7 series and share identical electrical specifications, mechanical dimensions, and compliance certifications. The substitute part maintains ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment with the original component.

Selection between these parts is determined by component availability and inventory status. The AX7PAF1-491.5200C currently has 770 units in stock, while the AX7PAF2-491.5200C has 919 units available. Both parts are discontinued at DiGi Electronics, making inventory verification essential prior to procurement.

Frequently Asked Questions (FAQ)

Q: Can the AX7PAF1-491.5200C be used as a direct replacement for the AX7PAF2-491.5200C?

A: Yes. The AX7PAF1-491.5200C meets all parametric requirements for direct substitution. Electrical performance, frequency stability, output characteristics, and physical package dimensions are identical. No circuit modifications or design changes are required.

Q: Are there any differences in the package or mounting between these parts?

A: No. Both parts use the same 8-SMD, No Lead package with identical dimensions of 7.00mm x 5.00mm and maximum seated height of 1.90mm. PCB layout and assembly processes remain unchanged.

Q: What are the critical parameters that define substitution eligibility?

A: Substitution eligibility is determined by exact matching of frequency (491.52 MHz), output standard (LVPECL), supply voltage (3.3V), enable/disable function, frequency stability (±25ppm), operating temperature range (-40°C ~ 85°C), and package type (8-SMD, No Lead). Deviation in any of these parameters disqualifies a part from substitution.

Q: Are both parts compliant with current regulatory requirements?

A: Yes. Both the AX7PAF2-491.5200C and AX7PAF1-491.5200C are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Moisture sensitivity level is 1 (Unlimited) for both parts, indicating no special storage or handling requirements.

Q: What should be considered when selecting between available inventory?

A: Inventory availability is the primary selection criterion. The AX7PAF1-491.5200C has 770 units in stock, while the AX7PAF2-491.5200C has 919 units available. Both parts are discontinued at DiGi Electronics, making current inventory the limiting factor for procurement decisions.