AX7MCF3-2100.0000C Equivalent & Substitute Parts

Part Overview

The AX7MCF3-2100.0000C is a 2.1 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 measuring 7.00mm x 5.00mm. The part is discontinued at DiGi Electronics, making identification of equivalent alternatives essential for ongoing design support and procurement.

Key Parameters

Parameter	Value
Frequency	2.1 GHz
Output Type	CML
Supply Voltage	1.8V
Function	Enable/Disable
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)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the AX7MCF3-2100.0000C is determined by strict equivalence across the following critical parameters:

Frequency: 2.1 GHz (exact match required)
Output Configuration: CML (exact match required)
Supply Voltage: 1.8V (exact match required)
Function: Enable/Disable capability (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 footprint (exact match required)

The AX7MCF1-2100.0000C meets all substitution criteria as a parametric equivalent within the Abracon ClearClock™ AX7 series.

Parameter Comparison

Parameter	AX7MCF3-2100.0000C	AX7MCF1-2100.0000C
Manufacturer	Abracon LLC	Abracon LLC
Series	ClearClock™ AX7	ClearClock™ AX7
Frequency	2.1 GHz	2.1 GHz
Output Type	CML	CML
Supply Voltage	1.8V	1.8V
Function	Enable/Disable	Enable/Disable
Frequency Stability	±25ppm	±25ppm
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C
Maximum Supply Current	68mA	68mA
Disable Current (Max)	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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99

Engineering Selection Recommendations

The AX7MCF1-2100.0000C serves as a direct parametric equivalent to the discontinued AX7MCF3-2100.0000C. Both parts maintain identical electrical specifications, mechanical dimensions, and regulatory compliance status. The substitute part carries ROHS3 compliance and REACH Unaffected status, matching the original part's environmental certifications. Current inventory availability of 934 units for the AX7MCF1-2100.0000C supports procurement continuity for applications requiring 2.1 GHz CML oscillators with 1.8V operation and enable/disable functionality.

Frequently Asked Questions (FAQ)

Q: Can the AX7MCF1-2100.0000C be used as a direct replacement for the AX7MCF3-2100.0000C?

A: Yes. Both parts are parametric equivalents with identical frequency, output type, supply voltage, function, frequency stability, operating temperature range, and package specifications. No circuit modifications are required.

Q: Are the package dimensions identical between these parts?

A: Yes. Both parts use the same 8-SMD, No Lead package with 7.00mm x 5.00mm footprint and 1.90mm maximum seated height, ensuring PCB layout compatibility.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both parts are ROHS3 compliant, REACH Unaffected, and carry EAR99 ECCN classification.

Q: What is the moisture sensitivity level for these oscillators?

A: Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are there differences in current consumption between the main part and substitute?

A: No. Both parts specify 68mA maximum supply current and 67mA maximum disable current.

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