AX5PBF2-491.5200C Equivalent & Substitute Parts

Part Overview

The AX5PBF2-491.5200C is a 491.52 MHz XO (Standard) LVPECL Oscillator manufactured by Abracon LLC, part of the ClearClock™ AX5 series. This surface mount oscillator operates at 2.5V with Enable/Disable functionality and is housed in an 8-SMD, No Lead package measuring 5.00mm x 3.20mm.

The AX5PBF2-491.5200C is discontinued at DiGi Electronics. Identifying equivalent substitute parts ensures design continuity and maintains supply chain reliability for applications requiring this specific frequency and output standard.

Substiute Parts

AX5PBF2-491.5200C

Abracon LLCIn Stock: 1036AX5PBF2-491.5200C Datasheet

Current PartRFQ

AX5PBF1-491.5200C

Abracon LLCIn Stock: 1117AX5PBF1-491.5200C Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the AX5PBF2-491.5200C must maintain electrical and mechanical compatibility based on the following critical parameters:

• Frequency: 491.52 MHz (exact match required)
• Output Standard: LVPECL (exact match required)
• Supply Voltage: 2.5V (exact match required)
• Function: Enable/Disable capability (exact match required)
• Frequency Stability: ±20ppm (exact match required)
• Operating Temperature Range: -40°C ~ 85°C (exact match required)
• Package / Case: 8-SMD, No Lead (exact match required)
• Physical Dimensions: 5.00mm x 3.20mm (exact match required)
• Height - Seated (Max): 1.50mm (exact match required)
• Current Specifications: 110mA max supply current, 100mA max disable current (exact match required)
• Compliance: ROHS3 Compliant, MSL 1 (Unlimited) (exact match required)

The AX5PBF1-491.5200C meets all substitution criteria and is classified as a parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

The AX5PBF1-491.5200C is a direct parametric equivalent to the AX5PBF2-491.5200C. Both parts are manufactured by Abracon LLC within the ClearClock™ AX5 series and share identical electrical specifications, mechanical dimensions, and compliance certifications.

Both parts are ROHS3 Compliant with MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints during storage and handling. Both maintain REACH Unaffected status and EAR99 export classification.

The AX5PBF1-491.5200C is available with higher inventory (1107 Pcs) compared to the main part (972 Pcs), providing improved supply availability for production requirements.

Frequently Asked Questions (FAQ)

Q: Can the AX5PBF1-491.5200C be used as a direct replacement for the AX5PBF2-491.5200C?

A: Yes. The AX5PBF1-491.5200C is a parametric equivalent with identical electrical performance, frequency output, supply voltage, temperature range, and physical package dimensions. No circuit modifications are required.

Q: Are there any differences in the pin configuration or package footprint?

A: No. Both parts use the 8-SMD, No Lead package with identical dimensions of 5.00mm x 3.20mm and maximum seated height of 1.50mm. PCB footprints are interchangeable.

Q: Do both parts meet the same compliance and regulatory requirements?

A: Yes. Both parts are ROHS3 Compliant, carry MSL 1 (Unlimited) rating, maintain REACH Unaffected status, and share the same EAR99 export classification and HTSUS code.

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.

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

A: No. Both parts have identical maximum supply current of 110mA during normal operation and 100mA during disable mode.