ASFL-20.000MHZ Equivalent & Substitute Parts

Part Overview

The ASFL-20.000MHZ is a 20 MHz oscillator manufactured by Abracon LLC, classified as an XO (Standard) oscillator. This part is currently listed with Obsolete product status. Due to its obsolete classification, locating equivalent and substitute components is necessary to maintain design continuity and ensure ongoing component availability for production and maintenance applications.

Substiute Parts

ASFL-20.000MHZ

Abracon LLCIn Stock: 1003ASFL-20.000MHZ Datasheet

Current PartRFQ

ASFL1-20.000MHZ-L-T

Abracon LLCIn Stock: 1324ASFL1-20.000MHZ-L-T Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete ASFL-20.000MHZ is based on the following critical parameters that must align between the original and substitute component:

Frequency Match: The substitute part must operate at 20 MHz to maintain circuit timing specifications and system synchronization.

Base Resonator Type: Both the original and substitute utilize crystal-based resonators, ensuring equivalent frequency stability characteristics.

Manufacturer Consistency: Abracon LLC manufactures both the original and substitute parts, maintaining design validation and quality assurance continuity.

Regulatory Compliance: The substitute part maintains ROHS3 compliance and REACH Unaffected status, ensuring compatibility with current environmental and regulatory requirements.

Moisture Sensitivity: Both parts carry MSL 1 (Unlimited) classification, indicating identical moisture handling and storage requirements.

The ASFL1-20.000MHZ-L-T is identified as the direct substitute for the obsolete ASFL-20.000MHZ, sharing the same frequency specification and core oscillator characteristics while offering Active product status and enhanced availability.

Parameter Comparison

Engineering Selection Recommendations

The ASFL1-20.000MHZ-L-T serves as the direct substitute for the obsolete ASFL-20.000MHZ based on the following engineering criteria:

Product Status Alignment: The substitute part carries Active product status, ensuring long-term availability and continued manufacturing support from Abracon LLC. This addresses the primary limitation of the obsolete original part.

Regulatory Compliance Continuity: Both parts maintain ROHS3 compliance and REACH Unaffected status, ensuring that designs utilizing the substitute part remain compliant with current environmental regulations and do not require additional compliance validation.

Frequency and Resonator Equivalence: The 20 MHz frequency specification and crystal-based resonator architecture are identical between the original and substitute, maintaining circuit timing and synchronization requirements without design modification.

Moisture Sensitivity Consistency: MSL 1 (Unlimited) classification on both parts ensures identical handling, storage, and assembly process requirements, eliminating the need for process changes during component transition.

The ASFL1-20.000MHZ-L-T is the recommended substitute for applications currently utilizing the ASFL-20.000MHZ, providing equivalent oscillator functionality with the advantage of active product status and manufacturer support.

Frequently Asked Questions (FAQ)

Q: Why is the ASFL-20.000MHZ listed as obsolete?

A: The ASFL-20.000MHZ has reached end-of-life status with Abracon LLC. The ASFL1-20.000MHZ-L-T represents the current active product line replacement, offering the same 20 MHz frequency specification with enhanced availability and ongoing manufacturing support.

Q: Are the ASFL-20.000MHZ and ASFL1-20.000MHZ-L-T electrically equivalent?

A: Both parts are 20 MHz crystal oscillators manufactured by Abracon LLC with identical frequency specifications, base resonator type, and regulatory compliance status. The ASFL1 series provides specified electrical parameters including HCMOS/TTL output, 3.3V supply voltage, ±100ppm frequency stability, and -40°C to 85°C operating temperature range.

Q: What are the packaging differences between these parts?

A: The ASFL1-20.000MHZ-L-T is supplied in Tape & Reel (TR) packaging with a 4-SMD, No Lead surface mount package measuring 5.00mm x 3.20mm with a maximum seated height of 1.30mm. The original ASFL-20.000MHZ packaging specifications are not provided in available documentation.

Q: Do both parts have the same moisture sensitivity requirements?

A: Yes. Both the ASFL-20.000MHZ and ASFL1-20.000MHZ-L-T carry MSL 1 (Unlimited) classification, indicating identical moisture sensitivity levels and requiring the same handling and storage protocols.

Q: Are there any compliance differences between the original and substitute part?

A: No. Both parts maintain ROHS3 compliance and REACH Unaffected status. The substitute part carries ECCN EAR99 classification and HTSUS code 8542.39.0001, ensuring regulatory alignment for current production and export requirements.

Q: What is the current inventory status for the substitute part?

A: The ASFL1-20.000MHZ-L-T has 1,263 pieces of new original stock currently available, compared to 976 pieces of the obsolete ASFL-20.000MHZ. The active product status of the substitute ensures continued availability for future procurement.