AX7DBF2-2000.0000C Equivalent & Substitute Parts

Part Overview

The AX7DBF2-2000.0000C is a 2 GHz XO (Standard) LVDS Oscillator manufactured by Abracon LLC as part of the ClearClock™ AX7 series. This component operates at 2.5V supply voltage with Enable/Disable functionality in an 8-SMD, No Lead surface mount package. The part is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	AX7DBF2-2000.0000C
Manufacturer	Abracon LLC
Series	ClearClock™ AX7
Frequency	2.0000 GHz
Output Type	LVDS
Supply Voltage	2.5V
Frequency Stability	±25 ppm
Operating Temperature Range	-40°C to 85°C
Supply Current (Max)	70 mA
Supply Current - Disable (Max)	65 mA
Package Type	8-SMD, No Lead
Package Dimensions	7.00 mm L × 5.00 mm W
Height - Seated (Max)	1.90 mm
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the AX7DBF2-2000.0000C is determined by the following critical parameters:

Frequency: 2.0000 GHz (exact match required)
Output Type: LVDS (exact match required)
Package Type: 8-SMD, No Lead (exact match required)
Package Dimensions: 7.00 mm × 5.00 mm (exact match required)
Frequency Stability: ±25 ppm (exact match required)
Operating Temperature Range: -40°C to 85°C (exact match required)
Function: Enable/Disable (exact match required)
Series: ClearClock™ AX7 (exact match required)

The identified substitute parts maintain identical electrical and mechanical specifications across these parameters. Variations in supply voltage (2.5V vs. 1.8V) represent the primary differentiator among available alternatives within the same product family.

Parameter Comparison

Parameter	AX7DBF2-2000.0000C (Main)	AX7DCF1-2000.0000C (MFR Recommended)	AX7DBF1-2000.0000C (Parametric Equivalent)
Manufacturer	Abracon LLC	Abracon LLC	Abracon LLC
Series	ClearClock™ AX7	ClearClock™ AX7	ClearClock™ AX7
Frequency	2.0000 GHz	2.0000 GHz	2.0000 GHz
Output Type	LVDS	LVDS	LVDS
Supply Voltage	2.5V	1.8V	2.5V
Frequency Stability	±25 ppm	±25 ppm	±25 ppm
Operating Temperature Range	-40°C to 85°C	-40°C to 85°C	-40°C to 85°C
Supply Current (Max)	70 mA	70 mA	70 mA
Supply Current - Disable (Max)	65 mA	65 mA	65 mA
Package Type	8-SMD, No Lead	8-SMD, No Lead	8-SMD, No Lead
Package Dimensions	7.00 mm × 5.00 mm	7.00 mm × 5.00 mm	7.00 mm × 5.00 mm
Height - Seated (Max)	1.90 mm	1.90 mm	1.90 mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)	MSL 1 (Unlimited)	MSL 1 (Unlimited)

Engineering Selection Recommendations

AX7DCF1-2000.0000C (MFR Recommended Substitute): This part is designated as the manufacturer-recommended alternative. It maintains all critical electrical and mechanical specifications identical to the main part, with the exception of supply voltage (1.8V vs. 2.5V). Selection of this part requires verification that the design power supply can accommodate 1.8V operation. Both parts carry ROHS3 compliance and MSL 1 rating.

AX7DBF1-2000.0000C (Parametric Equivalent): This part provides an exact electrical and mechanical match to the main part, including identical 2.5V supply voltage. It is classified as a parametric equivalent within the ClearClock™ AX7 series. This part is suitable for direct substitution without design modifications.

Both substitute parts are discontinued at DiGi Electronics, consistent with the main part status. Selection should be based on supply voltage requirements and current inventory availability.

Frequently Asked Questions (FAQ)

Q: Can AX7DCF1-2000.0000C replace AX7DBF2-2000.0000C directly?

A: AX7DCF1-2000.0000C is the manufacturer-recommended substitute but operates at 1.8V supply voltage instead of 2.5V. Direct replacement requires design verification that the power supply and signal conditioning circuits support 1.8V operation. All other electrical and mechanical parameters are identical.

Q: What is the difference between the MFR Recommended and Parametric Equivalent substitutes?

A: AX7DCF1-2000.0000C (MFR Recommended) differs in supply voltage (1.8V). AX7DBF1-2000.0000C (Parametric Equivalent) maintains identical supply voltage (2.5V) to the main part. The parametric equivalent provides the closest functional match for applications where supply voltage cannot be modified.

Q: Are all three parts pin-compatible?

A: All three parts use the 8-SMD, No Lead package with identical 7.00 mm × 5.00 mm dimensions and 1.90 mm maximum seated height. Pin compatibility is maintained across all variants within the ClearClock™ AX7 series at this frequency and output type.

Q: Do these substitutes meet the same compliance requirements?

A: Yes. All three parts are ROHS3 compliant, carry MSL 1 (Unlimited) moisture sensitivity rating, and share identical REACH and ECCN classifications (REACH Unaffected, EAR99).

Q: Which substitute should be selected for new designs?

A: Selection depends on power supply architecture. If 2.5V supply is available, AX7DBF1-2000.0000C provides exact parameter matching. If 1.8V operation is feasible, AX7DCF1-2000.0000C is the manufacturer-recommended option. Verify supply voltage capability before final selection.

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