AX7DBF2-1800.0000C Equivalent & Substitute Parts

Part Overview

The AX7DBF2-1800.0000C is a 1.8 GHz XO (Standard) LVDS Oscillator manufactured by Abracon LLC as part of the ClearClock™ AX7 series. This component operates at 2.5V supply voltage with Enable/Disable functionality in an 8-SMD, No Lead surface mount package. The part is discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components to maintain design continuity and procurement availability.

Substiute Parts

AX7DBF2-1800.0000C

Abracon LLCIn Stock: 896AX7DBF2-1800.0000C Datasheet

Current PartRFQ

AX7DCF1-1800.0000C

Abracon LLCIn Stock: 1052AX7DCF1-1800.0000C Datasheet

MFR RecommendedRFQ

AX7DBF1-1800.0000C

Abracon LLCIn Stock: 1097AX7DBF1-1800.0000C Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AX7DBF2-1800.0000C are identified based on the following critical parameters that determine functional compatibility:

Mandatory Matching Parameters:

• Frequency: 1.8 GHz
• Output Type: LVDS
• Package / Case: 8-SMD, No Lead
• Physical Dimensions: 0.276" L x 0.197" W (7.00mm x 5.00mm)
• Height - Seated (Max): 0.075" (1.90mm)
• Operating Temperature Range: -40°C ~ 85°C
• Frequency Stability: ±25ppm
• Function: Enable/Disable

Allowable Variation Parameters:

• Supply Voltage: 1.8V or 2.5V (both supported within the ClearClock™ AX7 series)
• Current specifications within the same series tolerance

The substitute parts listed below maintain all mandatory parameters while allowing for supply voltage variation, which is permissible within the ClearClock™ AX7 product family.

Parameter Comparison

Engineering Selection Recommendations

AX7DCF1-1800.0000C (MFR Recommended Substitute): This part is the manufacturer-recommended substitute for the AX7DBF2-1800.0000C. Both components are from the ClearClock™ AX7 series and share identical mechanical, thermal, and frequency specifications. The primary difference is the supply voltage requirement: AX7DCF1-1800.0000C operates at 1.8V versus the 2.5V of the main part. This substitute is appropriate for designs where 1.8V supply voltage is available and compatible with system power architecture. Current availability is 1041 pcs.

AX7DBF1-1800.0000C (Parametric Equivalent): This part provides parametric equivalence to the AX7DBF2-1800.0000C, maintaining identical supply voltage (2.5V), frequency, output type, and all mechanical specifications. This substitute is appropriate for direct replacement in designs where 2.5V supply voltage is required. Current availability is 1009 pcs.

Both substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and all critical electrical and mechanical parameters necessary for functional compatibility within the original design specification.

Frequently Asked Questions (FAQ)

Q: Can AX7DCF1-1800.0000C replace AX7DBF2-1800.0000C in my design? A: AX7DCF1-1800.0000C is the manufacturer-recommended substitute. It is mechanically and electrically compatible with identical frequency, output type, package, and thermal specifications. The supply voltage differs (1.8V vs. 2.5V). Substitution is valid if your system power architecture supports 1.8V operation for this component.

Q: What is the difference between the two substitute parts? A: AX7DCF1-1800.0000C operates at 1.8V supply voltage. AX7DBF1-1800.0000C operates at 2.5V supply voltage, matching the original part. Both maintain all other specifications identically. Select based on your system's available supply voltage.

Q: Are all three parts in the same package? A: Yes. All three parts use the 8-SMD, No Lead package with identical dimensions (7.00mm x 5.00mm) and height (1.90mm maximum seated height). They are mechanically interchangeable on the PCB.

Q: Do the substitute parts have the same frequency stability? A: Yes. All three parts maintain ±25ppm frequency stability across the -40°C ~ 85°C operating temperature range.

Q: Are the substitute parts RoHS compliant? A: Yes. Both AX7DCF1-1800.0000C and AX7DBF1-1800.0000C are ROHS3 compliant with MSL Level 1 rating, matching the compliance status of the original part.

Q: What is the current consumption difference between the parts? A: All three parts have identical current specifications: 70mA maximum supply current and 65mA maximum disable current.