AX7MCF3-622.0800C Equivalent & Substitute Parts

Part Overview

The AX7MCF3-622.0800C is a 622.08 MHz XO (Standard) CML Oscillator manufactured by Abracon LLC, part of the ClearClock™ AX7 series. This surface mount 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	622.08 MHz
Output Type	CML
Supply Voltage	1.8V
Function	Enable/Disable
Frequency Stability	±25ppm
Operating Temperature Range	-40°C ~ 85°C
Supply Current (Max)	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 AX7MCF3-622.0800C is determined by strict equivalence across the following critical parameters:

Frequency: 622.08 MHz (exact match required)
Output Type: CML (LVPECL-compatible logic family)
Supply Voltage: 1.8V (single supply operation)
Function: Enable/Disable capability
Frequency Stability: ±25ppm
Operating Temperature Range: -40°C ~ 85°C
Package Type: 8-SMD, No Lead
Package Dimensions: 7.00mm x 5.00mm footprint

The AX7MCF1-622.0800C qualifies as a parametric equivalent based on identical electrical specifications and mechanical compatibility across all listed parameters.

Parameter Comparison

Parameter	AX7MCF3-622.0800C	AX7MCF1-622.0800C	Match
Manufacturer	Abracon LLC	Abracon LLC	Yes
Series	ClearClock™ AX7	ClearClock™ AX7	Yes
Frequency	622.08 MHz	622.08 MHz	Yes
Output Type	CML	CML	Yes
Supply Voltage	1.8V	1.8V	Yes
Function	Enable/Disable	Enable/Disable	Yes
Frequency Stability	±25ppm	±25ppm	Yes
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	Yes
Supply Current (Max)	68mA	68mA	Yes
Supply Current (Disable)	67mA	67mA	Yes
Package Type	8-SMD, No Lead	8-SMD, No Lead	Yes
Package Dimensions	7.00mm x 5.00mm x 1.90mm	7.00mm x 5.00mm x 1.90mm	Yes
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Yes
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Yes
REACH Status	REACH Unaffected	REACH Unaffected	Yes

Engineering Selection Recommendations

The AX7MCF1-622.0800C is a direct parametric equivalent to the AX7MCF3-622.0800C. Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The substitute part maintains identical electrical performance, frequency stability, and thermal operating range. Current inventory availability for the AX7MCF1-622.0800C (753 Pcs) exceeds that of the original part (638 Pcs), providing supply continuity for applications requiring this specific frequency and output configuration.

Frequently Asked Questions (FAQ)

Q: Can the AX7MCF1-622.0800C be used as a direct replacement for the AX7MCF3-622.0800C?

A: Yes. Both parts are identical across all electrical and mechanical parameters, including frequency, output type, supply voltage, package dimensions, and thermal specifications. No circuit modifications are required.

Q: Are there any differences in pin configuration between these parts?

A: No. Both parts use the same 8-SMD, No Lead package with identical pinout and footprint dimensions of 7.00mm x 5.00mm.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the AX7MCF3-622.0800C and AX7MCF1-622.0800C are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited) and REACH unaffected status.

Q: What is the frequency stability specification for these oscillators?

A: Both parts maintain ±25ppm frequency stability across the operating temperature range of -40°C to 85°C.

Q: Are there any supply current differences between the parts?

A: No. Both parts draw a maximum of 68mA during normal operation and 67mA in disable mode at 1.8V supply voltage.

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