AX7MCF2-1800.0000C Equivalent & Substitute Parts

Part Overview

The AX7MCF2-1800.0000C 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.

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 of the AX7MCF2-1800.0000C is determined by strict equivalence across the following critical parameters:

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

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

Parameter Comparison

Parameter	AX7MCF2-1800.0000C	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	✓
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)	✓

Engineering Selection Recommendations

The AX7MCF1-1800.0000C is a direct parametric equivalent to the AX7MCF2-1800.0000C. Both parts are ROHS3 compliant and carry identical electrical and mechanical specifications. Selection between these parts is based on availability and inventory status. The AX7MCF1-1800.0000C currently maintains higher inventory levels (814 Pcs) compared to the AX7MCF2-1800.0000C (793 Pcs), both listed as new original stock. Both parts are discontinued at DiGi Electronics, requiring sourcing through alternative distribution channels.

Frequently Asked Questions (FAQ)

Q: Can the AX7MCF1-1800.0000C be used as a direct replacement for the AX7MCF2-1800.0000C?

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

Q: Are there any differences in the physical package between these parts?

A: No. Both parts use the same 8-SMD, No Lead package with identical dimensions of 7.00mm x 5.00mm x 1.90mm maximum height. PCB footprints and assembly processes are identical.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the AX7MCF2-1800.0000C and AX7MCF1-1800.0000C are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the difference between the AX7MCF2 and AX7MCF1 designations?

A: The parametric specifications are identical. The designation difference reflects internal Abracon manufacturing variants within the ClearClock™ AX7 series. Both parts deliver the same functional performance in 1.8 GHz CML oscillator applications.

Q: Are these parts still in production?

A: Both parts are discontinued at DiGi Electronics. Availability is limited to existing inventory from authorized distributors and component resellers.

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