AX5PAF2-300.0000T Equivalent & Substitute Parts

Part Overview

The AX5PAF2-300.0000T is a 300 MHz XO (Standard) LVPECL Oscillator manufactured by Abracon LLC, part of the ClearClock™ AX5 series. This surface mount oscillator operates at 3.3V with Enable/Disable functionality and is housed in an 8-SMD, No Lead package. The part is Active status and ROHS3 compliant, making it suitable for applications requiring stable frequency generation in compact form factors. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product series.

Key Parameters

Parameter	Value
Frequency	300 MHz
Output Type	LVPECL
Supply Voltage	3.3V
Function	Enable/Disable
Frequency Stability	±20ppm
Operating Temperature Range	-40°C ~ 85°C
Maximum Supply Current	110mA
Package Type	8-SMD, No Lead
Package Dimensions	5.00mm x 3.20mm x 1.50mm (Max Height)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

The AX5PAF1-300.0000T is identified as a parametric equivalent to the AX5PAF2-300.0000T based on strict alignment of the following critical parameters:

Frequency: 300 MHz (identical)
Output Type: LVPECL (identical)
Supply Voltage: 3.3V (identical)
Function: Enable/Disable (identical)
Frequency Stability: ±20ppm (identical)
Operating Temperature Range: -40°C ~ 85°C (identical)
Maximum Supply Current: 110mA (identical)
Package Type: 8-SMD, No Lead (identical)
Package Dimensions: 5.00mm x 3.20mm x 1.50mm (identical)
Mounting Type: Surface Mount (identical)
RoHS Status: ROHS3 Compliant (identical)
Moisture Sensitivity Level: 1 (Unlimited) (identical)

Both parts belong to the ClearClock™ AX5 series and maintain Active product status. The substitution is valid where packaging format differences (standard packaging versus Cut Tape and Digi-Reel®) do not impact circuit-level performance.

Parameter Comparison

Parameter	AX5PAF2-300.0000T	AX5PAF1-300.0000T	Match
Manufacturer	Abracon LLC	Abracon LLC	✓
Series	ClearClock™ AX5	ClearClock™ AX5	✓
Frequency	300 MHz	300 MHz	✓
Output Type	LVPECL	LVPECL	✓
Supply Voltage	3.3V	3.3V	✓
Function	Enable/Disable	Enable/Disable	✓
Frequency Stability	±20ppm	±20ppm	✓
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	✓
Maximum Supply Current	110mA	110mA	✓
Disable Mode Current	100mA	100mA	✓
Package Type	8-SMD, No Lead	8-SMD, No Lead	✓
Package Dimensions	5.00mm x 3.20mm	5.00mm x 3.20mm	✓
Maximum Height	1.50mm	1.50mm	✓
Mounting Type	Surface Mount	Surface Mount	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
ECCN	EAR99	EAR99	✓
Product Status	Active	Active	✓

Engineering Selection Recommendations

Both the AX5PAF2-300.0000T and AX5PAF1-300.0000T are Active products with identical electrical and mechanical specifications. Selection between these parts is determined by packaging and supply chain requirements rather than functional performance.

The AX5PAF2-300.0000T is available in standard packaging format with 1039 units in stock. The AX5PAF1-300.0000T is available in Cut Tape (CT) and Digi-Reel® packaging with 838 units in stock. Both parts maintain ROHS3 compliance, REACH Unaffected status, and EAR99 export classification.

For applications requiring high-volume automated assembly, the Cut Tape and Digi-Reel® packaging of the AX5PAF1-300.0000T may provide supply chain advantages. For lower-volume or manual assembly processes, the standard packaging of the AX5PAF2-300.0000T may be more practical.

Frequently Asked Questions (FAQ)

Q: Can AX5PAF1-300.0000T be used as a direct replacement for AX5PAF2-300.0000T?

A: Yes. Both parts are electrically and mechanically identical. The difference is packaging format only. Standard packaging (AX5PAF2) versus Cut Tape and Digi-Reel® (AX5PAF1) does not affect circuit performance or PCB footprint.

Q: Are there any differences in frequency stability or operating temperature range?

A: No. Both parts maintain ±20ppm frequency stability and operate across the -40°C to 85°C temperature range identically.

Q: What is the significance of the Enable/Disable function?

A: The Enable/Disable function allows the oscillator output to be controlled via a logic input. In disable mode, the part draws 100mA maximum. In enable mode, it draws 110mA maximum. Both parts support this function identically.

Q: Does packaging format affect PCB layout or soldering requirements?

A: No. Both parts use the same 8-SMD, No Lead package with identical 5.00mm x 3.20mm x 1.50mm (max) dimensions. PCB footprint and soldering procedures are identical.

Q: Are both parts suitable for high-reliability applications?

A: Both parts are ROHS3 compliant, REACH Unaffected, and classified as EAR99 for export. Moisture Sensitivity Level 1 (Unlimited) indicates no moisture sensitivity constraints. Both are suitable for the same reliability requirements.

Q: What is the primary reason to consider substitution?

A: Substitution is considered for supply chain optimization. If one part number experiences supply constraints, the other provides equivalent functionality with identical electrical and mechanical performance.

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