AX7MBF4-915.0000C Equivalent & Substitute Parts

Part Overview

The AX7MBF4-915.0000C is a 915 MHz XO (Standard) CML Oscillator manufactured by Abracon LLC, part of the ClearClock™ AX7 series. This surface mount crystal oscillator provides Enable/Disable functionality with 2.5V supply voltage and CML output configuration. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives that maintain core electrical and mechanical compatibility for 915 MHz applications requiring CML output.

Substiute Parts

AX7MBF4-915.0000C

Abracon LLCIn Stock: 1125AX7MBF4-915.0000C Datasheet

Current PartRFQ

AX7MCF2-915.0000C

Abracon LLCIn Stock: 1213AX7MCF2-915.0000C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AX7MBF4-915.0000C is determined by the following critical parameters:

• Frequency: 915 MHz (exact match required)
• Output Configuration: CML (exact match required)
• Function: Enable/Disable capability (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)
• Mounting Type: Surface Mount (exact match required)

The AX7MCF2-915.0000C qualifies as a manufacturer-recommended substitute. While the supply voltage differs (1.8V vs. 2.5V), this represents a controlled variation within the ClearClock™ AX7 series design envelope. All other electrical and mechanical parameters remain identical, ensuring direct functional substitution in applications where the lower supply voltage is compatible with system design requirements.

Parameter Comparison

Engineering Selection Recommendations

The AX7MCF2-915.0000C is the manufacturer-recommended substitute for the discontinued AX7MBF4-915.0000C. Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across applications. The primary design consideration is supply voltage: the substitute operates at 1.8V versus the original 2.5V specification. This voltage differential must be evaluated against system power supply architecture and signal integrity requirements. Both parts share identical frequency stability (±25ppm), operating temperature range (-40°C ~ 85°C), package configuration (8-SMD, No Lead), and physical dimensions (7.00mm x 5.00mm x 1.90mm max height), enabling direct PCB footprint compatibility and mechanical interchangeability.

Frequently Asked Questions (FAQ)

Q: Can the AX7MCF2-915.0000C directly replace the AX7MBF4-915.0000C on existing PCBs?

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

Q: What is the primary difference between these two parts?

A: The supply voltage specification differs: AX7MBF4-915.0000C operates at 2.5V, while AX7MCF2-915.0000C operates at 1.8V. All other electrical parameters, including frequency (915 MHz), output type (CML), function (Enable/Disable), frequency stability (±25ppm), and operating temperature range (-40°C ~ 85°C) are identical.

Q: Are there any compliance or certification differences?

A: No. Both parts maintain ROHS3 compliance, REACH unaffected status, and identical moisture sensitivity level (MSL 1 - Unlimited). Regulatory requirements are equivalent.

Q: Does the lower supply voltage of the substitute affect signal integrity?

A: Signal integrity depends on system design parameters not specified in this reference. The CML output configuration and frequency stability (±25ppm) remain constant. System-level evaluation of voltage supply compatibility is required.

Q: What is the current consumption difference between the two parts?

A: Current consumption is identical: 68mA maximum supply current and 67mA maximum disable current for both parts.

Q: Are both parts currently available?

A: The AX7MBF4-915.0000C is discontinued at DiGi Electronics. The AX7MCF2-915.0000C has 1167 pieces in stock as new original inventory.