AX7PAF1-2000.0000C Equivalent & Substitute Parts

Part Overview

The AX7PAF1-2000.0000C is a 2 GHz XO (Standard) LVPECL oscillator from Abracon LLC's ClearClock™ AX7 series, designed for surface mount applications requiring high-frequency clock generation. This part operates at 3.3V supply voltage with Enable/Disable functionality and is housed in an 8-SMD, No Lead package measuring 7.00mm x 5.00mm. The AX7PAF1-2000.0000C is currently discontinued at DiGi Electronics, necessitating identification of equivalent alternatives for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer Part Number	AX7PAF1-2000.0000C
Manufacturer	Abracon LLC
Series	ClearClock™ AX7
Frequency	2 GHz
Output Type	LVPECL
Voltage - Supply	3.3V
Frequency Stability	±25ppm
Operating Temperature Range	-40°C ~ 85°C
Current - Supply (Max)	94mA
Current - Supply (Disable) (Max)	86mA
Package / Case	8-SMD, No Lead
Size / Dimension	0.276" L x 0.197" W (7.00mm x 5.00mm)
Height - Seated (Max)	0.075" (1.90mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the AX7PAF1-2000.0000C is determined by the following critical parameters:

Frequency: 2 GHz (exact match required)
Output Type: LVPECL (exact match required)
Package / Case: 8-SMD, No Lead (exact match required)
Physical Dimensions: 7.00mm x 5.00mm footprint and 1.90mm maximum height (exact match required)
Operating Temperature Range: -40°C ~ 85°C (exact match required)
Frequency Stability: ±25ppm (exact match required)
Function: Enable/Disable capability (exact match required)
RoHS & Compliance: ROHS3 Compliant, REACH Unaffected (exact match required)

Substitute parts must maintain identical electrical performance characteristics and mechanical compatibility. The identified substitutes are parametric equivalents within the ClearClock™ AX7 series, differing only in supply voltage specification or product status classification.

Parameter Comparison

Parameter	AX7PAF1-2000.0000C (Main)	AX7PAF1-2000.0000 (Parametric Equivalent)	AX7PBF1-2000.0000C (MFR Recommended)	AX7PBF3-2000.0000C (MFR Recommended)
Manufacturer	Abracon LLC	Abracon LLC	Abracon LLC	Abracon LLC
Series	ClearClock™ AX7	ClearClock™ AX7	ClearClock™ AX7	ClearClock™ AX7
Frequency	2 GHz	2 GHz	2 GHz	2 GHz
Output Type	LVPECL	LVPECL	LVPECL	LVPECL
Voltage - Supply	3.3V	3.3V	2.5V	2.5V
Frequency Stability	±25ppm	±25ppm	±25ppm	±25ppm
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Current - Supply (Max)	94mA	94mA	94mA	94mA
Current - Supply (Disable) (Max)	86mA	86mA	86mA	86mA
Package / Case	8-SMD, No Lead	8-SMD, No Lead	8-SMD, No Lead	8-SMD, No Lead
Size / Dimension	7.00mm x 5.00mm	7.00mm x 5.00mm	7.00mm x 5.00mm	7.00mm x 5.00mm
Height - Seated (Max)	1.90mm	1.90mm	1.90mm	1.90mm
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics	Active	Discontinued at DiGi Electronics	Discontinued at DiGi Electronics
Inventory Availability	817 Pcs	767 Pcs	829 Pcs	1144 Pcs

Engineering Selection Recommendations

Primary Substitute: AX7PAF1-2000.0000

The AX7PAF1-2000.0000 is the direct parametric equivalent to the AX7PAF1-2000.0000C, maintaining identical electrical and mechanical specifications including 3.3V supply voltage. This part carries Active product status, ensuring long-term availability and supply chain continuity. Both parts are ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements. Selection of this substitute provides full functional compatibility with no design modifications required.

Alternative Substitutes: AX7PBF1-2000.0000C and AX7PBF3-2000.0000C

The AX7PBF1-2000.0000C and AX7PBF3-2000.0000C are manufacturer-recommended alternatives that differ in supply voltage specification (2.5V versus 3.3V). These parts maintain identical frequency, output type, package, dimensions, temperature range, frequency stability, and current characteristics. Selection of these alternatives requires verification that the target application circuit supports 2.5V supply voltage operation. Both parts are ROHS3 Compliant and REACH Unaffected.

Frequently Asked Questions (FAQ)

Q: Can AX7PAF1-2000.0000 be used as a direct replacement for AX7PAF1-2000.0000C?

A: Yes. The AX7PAF1-2000.0000 is a parametric equivalent with identical electrical performance and mechanical compatibility. No circuit modifications are required. The primary difference is product status: AX7PAF1-2000.0000 is Active, while AX7PAF1-2000.0000C is Discontinued at DiGi Electronics.

Q: What is the key difference between the 3.3V and 2.5V supply voltage variants?

A: The AX7PAF1-2000.0000C operates at 3.3V supply voltage, while AX7PBF1-2000.0000C and AX7PBF3-2000.0000C operate at 2.5V. All other electrical and mechanical parameters remain identical. Substitution with the 2.5V variants requires confirmation that the application power supply and signal interface support 2.5V operation.

Q: Are all substitute parts housed in the same package?

A: Yes. All listed substitutes use the 8-SMD, No Lead package with identical dimensions (7.00mm x 5.00mm) and maximum seated height (1.90mm). PCB footprints are interchangeable.

Q: Do the substitute parts maintain the same frequency stability?

A: Yes. All substitute parts maintain ±25ppm frequency stability, identical to the AX7PAF1-2000.0000C.

Q: Are all parts RoHS and REACH compliant?

A: Yes. All listed parts are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements.

Q: What is the Moisture Sensitivity Level (MSL) for these oscillators?

A: All parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

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