AX5PAF4-400.0000T Equivalent & Substitute Parts

Part Overview

The AX5PAF4-400.0000T is a 400 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 designed for applications requiring stable, high-frequency clock signals. The part is Active in product status with 1026 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product family, enabling component sourcing flexibility while preserving circuit performance.

Substiute Parts

AX5PAF4-400.0000T

Abracon LLCIn Stock: 1136AX5PAF4-400.0000T Datasheet

Current PartRFQ

AX5PAF1-400.0000T

Abracon LLCIn Stock: 1228AX5PAF1-400.0000T Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The AX5PAF1-400.0000T is identified as a parametric equivalent to the AX5PAF4-400.0000T based on the following critical parameters:

• Identical frequency specification: 400 MHz
• Identical output type: LVPECL
• Identical supply voltage: 3.3V
• Identical frequency stability: ±20ppm
• Identical operating temperature range: -40°C ~ 85°C
• Identical maximum supply current: 110mA
• Identical package configuration: 8-SMD, No Lead
• Identical physical dimensions: 5.00mm x 3.20mm x 1.50mm (max height)
• Identical mounting type: Surface Mount
• Identical compliance certifications: ROHS3, MSL 1

The primary distinction between these parts is packaging format: the AX5PAF4-400.0000T uses standard packaging, while the AX5PAF1-400.0000T is supplied in Cut Tape (CT) & Digi-Reel® format. This difference does not affect electrical or mechanical compatibility in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both the AX5PAF4-400.0000T and AX5PAF1-400.0000T are Active products from Abracon LLC with identical electrical and mechanical specifications. Selection between these parts should be based on:

1. Packaging and supply chain requirements: The AX5PAF1-400.0000T is available in Cut Tape (CT) & Digi-Reel® format, suitable for automated assembly processes, while the AX5PAF4-400.0000T uses standard packaging.

2. Inventory availability: Both parts maintain active stock levels (1026 units and 1197 units respectively), ensuring supply continuity.

3. Regulatory compliance: Both parts meet ROHS3 compliance and REACH unaffected status, suitable for applications with environmental and regulatory requirements.

4. Moisture handling: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints during storage and handling.

Frequently Asked Questions (FAQ)

Q: Can the AX5PAF1-400.0000T be used as a direct replacement for the AX5PAF4-400.0000T?

A: Yes. Both parts are electrically and mechanically identical. The AX5PAF1-400.0000T can be substituted directly in any circuit application designed for the AX5PAF4-400.0000T without modification to PCB layout, schematic, or assembly procedures.

Q: What is the difference between these two part numbers?

A: The primary difference is packaging format. The AX5PAF4-400.0000T uses standard packaging, while the AX5PAF1-400.0000T is supplied in Cut Tape (CT) & Digi-Reel® format. All electrical parameters, physical dimensions, and performance characteristics are identical.

Q: Are there any compatibility concerns with the 8-SMD, No Lead package?

A: No. Both parts use the identical 8-SMD, No Lead package configuration with dimensions of 5.00mm x 3.20mm and maximum height of 1.50mm. PCB footprints and reflow profiles remain unchanged between these parts.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the AX5PAF4-400.0000T and AX5PAF1-400.0000T are ROHS3 compliant, REACH unaffected, and carry EAR99 ECCN classification. Moisture sensitivity level is MSL 1 (Unlimited) for both parts.

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

A: Both parts maintain ±20ppm frequency stability across the operating temperature range of -40°C to 85°C, ensuring consistent clock signal accuracy for high-speed digital applications.

Q: Can these parts be used interchangeably in production?

A: Yes. From an engineering perspective, these parts are fully interchangeable. Production decisions may be based on packaging preferences, supply chain logistics, or cost considerations, but no technical modifications are required when switching between these part numbers.