AX5DAF4-491.5200C Equivalent & Substitute Parts

Part Overview

The AX5DAF4-491.5200C is a 491.52 MHz XO (Standard) LVDS Oscillator manufactured by Abracon LLC, part of the ClearClock™ AX5 series. This component operates at 3.3V with Enable/Disable functionality in an 8-SMD, No Lead surface mount package. The part is discontinued at DiGi Electronics, making identification of equivalent alternatives essential for ongoing design support and procurement.

Substiute Parts

AX5DAF4-491.5200C

Abracon LLCIn Stock: 1169AX5DAF4-491.5200C Datasheet

Current PartRFQ

AX5DAF1-491.5200C

Abracon LLCIn Stock: 1027AX5DAF1-491.5200C Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The AX5DAF4-491.5200C has one parametric equivalent substitute: AX5DAF1-491.5200C. Substitution eligibility is determined by the following critical parameters:

• Frequency: 491.52 MHz (exact match required)
• Output Type: LVDS (exact match required)
• Supply Voltage: 3.3V (exact match required)
• Function: Enable/Disable (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: 0.197" L x 0.126" W, 0.059" Max Height (exact match required)
• Current Specifications: 80mA max supply, 70mA max disable (exact match required)

The substitute part maintains identical electrical and mechanical specifications, ensuring direct compatibility in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

The AX5DAF4-491.5200C is discontinued at DiGi Electronics. The AX5DAF1-491.5200C serves as a direct parametric equivalent with 932 pcs available in new original stock, compared to 1135 pcs of the original part number.

Both parts maintain identical compliance certifications: ROHS3 Compliant, REACH Unaffected, and MSL 1 (Unlimited). Selection between these part numbers should be based on current inventory availability and procurement lead times, as all electrical and mechanical specifications are equivalent.

Frequently Asked Questions (FAQ)

Q: Can AX5DAF1-491.5200C be used as a direct replacement for AX5DAF4-491.5200C?

A: Yes. Both parts are parametric equivalents with identical frequency, output type, supply voltage, function, frequency stability, operating temperature range, package type, physical dimensions, and current specifications. No circuit modifications are required.

Q: Are there any differences in compliance or certifications between these parts?

A: No. Both parts carry identical RoHS3 compliance, REACH Unaffected status, and MSL 1 (Unlimited) moisture sensitivity ratings.

Q: What is the significance of the different part number suffixes (AX5DAF4 vs. AX5DAF1)?

A: The suffix variation indicates different internal design revisions within the ClearClock™ AX5 series. Both revisions meet the same electrical and mechanical specifications for this 491.52 MHz LVDS oscillator application.

Q: Are these parts pin-compatible?

A: Yes. Both parts use the 8-SMD, No Lead package with identical physical dimensions (5.00mm x 3.20mm x 1.50mm max height), ensuring direct PCB footprint compatibility.

Q: What is the current consumption difference between normal operation and disabled mode?

A: In normal operation, maximum supply current is 80mA. In disabled mode, maximum supply current is 70mA, providing a 10mA reduction for power management applications.