AX7MCF4-1800.0000C Equivalent & Substitute Parts

Part Overview

The AX7MCF4-1800.0000C 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 1.8V with enable/disable functionality and is housed in an 8-SMD, No Lead package. The part is discontinued at DiGi Electronics, making identification of equivalent substitute components essential for ongoing design support and procurement.

Substiute Parts

AX7MCF4-1800.0000C
Abracon LLCIn Stock: 910AX7MCF4-1800.0000C Datasheet
AX7MCF4-1800.0000C
Current Part
AX7MCF1-1800.0000C
Abracon LLCIn Stock: 913AX7MCF1-1800.0000C Datasheet
AX7MCF1-1800.0000C
Parametric Equivalent

Key Parameters

Parameter Value
Frequency 1.8 GHz
Output Type CML
Supply Voltage 1.8V
Frequency Stability ±25ppm
Operating Temperature Range -40°C ~ 85°C
Maximum Supply Current 68mA
Package Type 8-SMD, No Lead
Package Dimensions 7.00mm x 5.00mm x 1.90mm (Max Height)
Function Enable/Disable
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the AX7MCF4-1800.0000C is determined by strict equivalence across the following critical parameters:

  • Frequency: 1.8 GHz (exact match required)
  • Output Configuration: CML (exact match required)
  • Supply Voltage: 1.8V (exact match required)
  • Frequency Stability: ±25ppm (exact match required)
  • Operating Temperature Range: -40°C ~ 85°C (exact match required)
  • Package Type: 8-SMD, No Lead (exact match required)
  • Package Dimensions: 7.00mm x 5.00mm (exact match required)
  • Enable/Disable Function: Present (exact match required)

The AX7MCF1-1800.0000C meets all substitution criteria as a parametric equivalent within the Abracon ClearClock™ AX7 series.

Parameter Comparison

Parameter AX7MCF4-1800.0000C AX7MCF1-1800.0000C Match
Frequency 1.8 GHz 1.8 GHz
Output Type CML CML
Supply Voltage 1.8V 1.8V
Frequency Stability ±25ppm ±25ppm
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Maximum Supply Current 68mA 68mA
Disable Mode Current 67mA 67mA
Package Type 8-SMD, No Lead 8-SMD, No Lead
Package Dimensions 7.00mm x 5.00mm x 1.90mm 7.00mm x 5.00mm x 1.90mm
Function Enable/Disable Enable/Disable
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected

Engineering Selection Recommendations

The AX7MCF1-1800.0000C serves as a direct parametric equivalent to the discontinued AX7MCF4-1800.0000C. Both components maintain identical electrical specifications, mechanical dimensions, and regulatory compliance certifications. The substitute part carries ROHS3 compliance and REACH unaffected status, matching the original component's environmental and regulatory standing. Current inventory availability of the AX7MCF1-1800.0000C (814 Pcs) supports procurement for ongoing production and design continuity.

Frequently Asked Questions (FAQ)

Q: Can the AX7MCF1-1800.0000C be used as a direct replacement for the AX7MCF4-1800.0000C?

A: Yes. The AX7MCF1-1800.0000C is a parametric equivalent with identical frequency, output type, supply voltage, frequency stability, operating temperature range, package type, and dimensions. No circuit modifications are required.

Q: Are there any differences in compliance or certifications between these parts?

A: No. Both components are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity levels (MSL 1 - Unlimited).

Q: What are the critical parameters that must match for substitution?

A: Frequency (1.8 GHz), output configuration (CML), supply voltage (1.8V), frequency stability (±25ppm), operating temperature range (-40°C ~ 85°C), package type (8-SMD, No Lead), and package dimensions (7.00mm x 5.00mm) must all match exactly.

Q: Is the enable/disable function identical on both parts?

A: Yes. Both the AX7MCF4-1800.0000C and AX7MCF1-1800.0000C include enable/disable functionality with identical current specifications in both active (68mA max) and disable (67mA max) modes.

Q: Are there any PCB layout or footprint considerations?

A: No. Both components use the same 8-SMD, No Lead package with identical dimensions (7.00mm x 5.00mm x 1.90mm max height), ensuring footprint compatibility without PCB redesign.

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