AX7PAF1-1500.0000C Equivalent & Substitute Parts

Part Overview

The AX7PAF1-1500.0000C is a 1.5 GHz XO (Standard) LVPECL Oscillator from Abracon LLC's ClearClock™ AX7 series, designed for high-frequency timing applications requiring LVPECL output. This component operates at 3.3V supply voltage with enable/disable functionality and is housed in an 8-SMD, No Lead package. The part is discontinued at DiGi Electronics, making identification of equivalent substitutes essential for ongoing design support and procurement continuity.

Substiute Parts

AX7PAF1-1500.0000C

Abracon LLCIn Stock: 1016AX7PAF1-1500.0000C Datasheet

Current PartRFQ

AX7PBF1-1500.0000C

Abracon LLCIn Stock: 1047AX7PBF1-1500.0000C Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AX7PAF1-1500.0000C is determined by the following critical parameters:

• Frequency: 1.5 GHz (exact match required)
• Output Type: LVPECL (exact match required)
• Function: Enable/Disable capability (exact match required)
• Package / Case: 8-SMD, No Lead (exact match required)
• Physical Dimensions: 7.00mm x 5.00mm footprint with 1.90mm max height (exact match required)
• Operating Temperature Range: -40°C ~ 85°C (exact match required)
• Frequency Stability: ±25ppm (exact match required)
• RoHS Compliance: ROHS3 Compliant (exact match required)

The AX7PBF1-1500.0000C qualifies as a substitute part because it maintains identical specifications across all critical parameters except for supply voltage, which differs from 3.3V to 2.5V. This voltage difference represents a controlled variation within the ClearClock™ AX7 series design envelope.

Parameter Comparison

Engineering Selection Recommendations

Both the AX7PAF1-1500.0000C and AX7PBF1-1500.0000C are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity ratings, indicating equivalent environmental and regulatory compliance. The primary distinction between these parts is the supply voltage specification: 3.3V for the main part and 2.5V for the substitute.

Selection between these parts depends on the power supply architecture of the target application. If the system operates on a 3.3V rail, the AX7PAF1-1500.0000C is the direct match. If the system operates on a 2.5V rail or if 2.5V supply is available, the AX7PBF1-1500.0000C provides an equivalent alternative. Both parts maintain identical frequency, output characteristics, package footprint, and thermal performance specifications.

Frequently Asked Questions (FAQ)

Q: Can the AX7PBF1-1500.0000C replace the AX7PAF1-1500.0000C in a 3.3V system?

A: No. The AX7PBF1-1500.0000C is specified for 2.5V supply operation. Using it in a 3.3V system would exceed the component's rated supply voltage and may result in component failure or unpredictable behavior.

Q: Can the AX7PAF1-1500.0000C replace the AX7PBF1-1500.0000C in a 2.5V system?

A: No. The AX7PAF1-1500.0000C is specified for 3.3V supply operation. Operating it at 2.5V would place the component below its minimum rated supply voltage and may result in frequency instability or failure to oscillate.

Q: Are the physical packages identical between these two parts?

A: Yes. Both parts use the same 8-SMD, No Lead package with identical footprint dimensions (7.00mm x 5.00mm) and maximum seated height (1.90mm). PCB layout and reflow profiles are interchangeable from a mechanical standpoint.

Q: Do both parts support enable/disable functionality?

A: Yes. Both the AX7PAF1-1500.0000C and AX7PBF1-1500.0000C include enable/disable control functionality with identical electrical characteristics.

Q: What is the frequency stability specification for both parts?

A: Both parts maintain ±25ppm frequency stability across the -40°C ~ 85°C operating temperature range.

Q: Are there any differences in current consumption between these parts?

A: No. Both parts specify identical maximum supply current of 94mA during normal operation and 86mA during disable mode.