AX7MBF3-915.0000C Equivalent & Substitute Parts

Part Overview

The AX7MBF3-915.0000C is a 915 MHz XO (Standard) CML Oscillator manufactured by Abracon LLC, 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

AX7MBF3-915.0000C

Abracon LLCIn Stock: 689AX7MBF3-915.0000C Datasheet

Current PartRFQ

AX7MCF2-915.0000C

Abracon LLCIn Stock: 1213AX7MCF2-915.0000C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AX7MBF3-915.0000C is determined by the following critical parameters that must remain constant or compatible:

• Frequency: 915 MHz (exact match required)
• Output Type: CML (exact match required)
• Function: Enable/Disable (exact match required)
• Package / Case: 8-SMD, No Lead (exact match required)
• Physical Dimensions: 7.00mm x 5.00mm footprint (exact match required)
• Operating Temperature Range: -40°C ~ 85°C (exact match required)
• Frequency Stability: ±25ppm (exact match required)
• Series: ClearClock™ AX7 (exact match required)

The AX7MCF2-915.0000C qualifies as a substitute part because it maintains all critical electrical and mechanical parameters. The primary difference is the supply voltage specification (1.8V versus 2.5V), which represents a design variation within the same product family and package platform.

Parameter Comparison

Engineering Selection Recommendations

Both the AX7MBF3-915.0000C and AX7MCF2-915.0000C maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for electronic component applications. The AX7MCF2-915.0000C is the manufacturer-recommended substitute and is currently available in higher inventory (1167 Pcs) compared to the original part (669 Pcs).

Selection between these parts depends on circuit design voltage requirements. The AX7MBF3-915.0000C operates at 2.5V supply, while the AX7MCF2-915.0000C operates at 1.8V supply. Both parts are electrically and mechanically interchangeable within their respective voltage domains, provided the power supply architecture supports the specified voltage level.

Frequently Asked Questions (FAQ)

Q: Can the AX7MCF2-915.0000C directly replace the AX7MBF3-915.0000C in existing designs?

A: Direct replacement is possible only if the circuit design supports 1.8V supply voltage operation. The oscillator output frequency, stability, package footprint, and thermal characteristics are identical. Voltage supply compatibility must be confirmed before substitution.

Q: Are there any package or footprint differences between these parts?

A: No. 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 primary difference between these two oscillators?

A: The supply voltage specification differs: AX7MBF3-915.0000C requires 2.5V, while AX7MCF2-915.0000C requires 1.8V. All other electrical parameters, including frequency, stability, output type, and current consumption, are identical.

Q: Are both parts compliant with environmental and regulatory standards?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating, meeting standard industrial compliance requirements.

Q: Why is the original part discontinued?

A: Product discontinuation at DiGi Electronics does not indicate technical obsolescence. The AX7MCF2-915.0000C remains available as the current production alternative within the ClearClock™ AX7 series.