AX7MBF2-1800.0000C Equivalent & Substitute Parts

Part Overview

The AX7MBF2-1800.0000C is a 1.8 GHz XO (Standard) CML Oscillator manufactured by Abracon LLC as part of the ClearClock™ AX7 series. This surface mount crystal oscillator operates at 2.5V supply voltage with Enable/Disable functionality and is housed in an 8-SMD, No Lead package. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement.

Substiute Parts

AX7MBF2-1800.0000C

Abracon LLCIn Stock: 648AX7MBF2-1800.0000C Datasheet

Current PartRFQ

AX7MCF1-1800.0000C

Abracon LLCIn Stock: 913AX7MCF1-1800.0000C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AX7MBF2-1800.0000C is determined by the following critical parameters:

• Frequency: 1.8 GHz (exact match required)
• Output Type: CML (exact match required)
• Package / Case: 8-SMD, No Lead (exact match required)
• Physical Dimensions: 7.00mm x 5.00mm footprint with 1.90mm max height (exact match required)
• Operating Temperature Range: -40°C ~ 85°C (exact match required)
• Frequency Stability: ±25ppm (exact match required)
• Function: Enable/Disable (exact match required)
• RoHS Compliance: ROHS3 Compliant (exact match required)

The AX7MCF1-1800.0000C qualifies as a substitute part because it maintains identical specifications across all critical parameters with one exception: supply voltage operates at 1.8V instead of 2.5V. This voltage difference is the sole distinguishing factor and must be evaluated against circuit design requirements.

Parameter Comparison

Engineering Selection Recommendations

Both parts maintain ROHS3 compliance and unlimited moisture sensitivity rating, ensuring equivalent environmental and regulatory standing. The AX7MCF1-1800.0000C operates at reduced supply voltage (1.8V versus 2.5V), which may provide advantages in low-power applications or systems designed for 1.8V rail operation. Selection between these parts depends on circuit power supply architecture and voltage rail availability. Both parts are discontinued at DiGi Electronics; inventory availability should be verified with authorized distributors prior to procurement decisions.

Frequently Asked Questions (FAQ)

Q: Can the AX7MCF1-1800.0000C directly replace the AX7MBF2-1800.0000C?

A: Direct replacement is possible only if the circuit design accommodates 1.8V supply voltage operation. The substitute part maintains identical frequency, output type, package, and thermal specifications. Verify that the 1.8V supply rail is available and that all connected circuitry operates within 1.8V specifications.

Q: Are the physical footprints identical?

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

Q: What is the impact of the voltage difference?

A: The AX7MCF1-1800.0000C requires a 1.8V supply instead of 2.5V. This affects power supply design and may require circuit modifications if only 2.5V rails are available. Current consumption remains identical at 68mA maximum.

Q: Are both parts RoHS compliant?

A: Yes. Both the AX7MBF2-1800.0000C and AX7MCF1-1800.0000C are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1).

Q: What frequency stability should be expected?

A: Both parts maintain ±25ppm frequency stability across the -40°C to 85°C operating temperature range.