ASFL-33.000MHZ-LC Equivalent & Substitute Parts

Part Overview

The ASFL-33.000MHZ-LC is a 33 MHz oscillator manufactured by Abracon LLC. This component is classified as Obsolete, which necessitates identification of active equivalent parts for continued system support and new designs. The ASFL-33.000MHZ-LC operates as a standard XO (crystal oscillator) with HCMOS and TTL output compatibility. Due to its obsolete status, sourcing active alternatives is essential for procurement and design continuity.

Substiute Parts

ASFL-33.000MHZ-LC

Abracon LLCIn Stock: 1094ASFL-33.000MHZ-LC Datasheet

Current PartRFQ

ASFL1-33.000MHZ-EK-T

Abracon LLCIn Stock: 1190ASFL1-33.000MHZ-EK-T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ASFL-33.000MHZ-LC is determined by the following critical parameters:

Frequency Match: The substitute part must operate at 33.000 MHz to maintain system timing specifications.

Manufacturer Consistency: Abracon LLC manufacture ensures design compatibility and performance alignment with the original component.

Compliance Certifications: Both RoHS3 compliance and REACH unaffected status must be maintained to satisfy regulatory and procurement requirements.

Moisture Sensitivity Level: MSL 1 (Unlimited) classification ensures the substitute part meets the same environmental handling and storage conditions as the original.

Product Status: Active product status is required to ensure long-term availability and supply chain continuity.

The ASFL1-33.000MHZ-EK-T meets all substitution criteria and is classified as an active equivalent for the obsolete ASFL-33.000MHZ-LC.

Parameter Comparison

Engineering Selection Recommendations

The ASFL1-33.000MHZ-EK-T is the direct active equivalent for the obsolete ASFL-33.000MHZ-LC. Selection of this substitute part is based on the following engineering criteria:

Frequency Alignment: Both parts operate at 33 MHz, ensuring timing specifications are maintained in target applications.

Regulatory Compliance: The ASFL1-33.000MHZ-EK-T maintains ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements equivalent to the original part.

Environmental Classification: Identical MSL 1 (Unlimited) rating ensures equivalent handling, storage, and reliability characteristics.

Active Product Status: The ASFL1-33.000MHZ-EK-T is actively manufactured and stocked, providing reliable long-term availability compared to the obsolete ASFL-33.000MHZ-LC.

Output Compatibility: HCMOS and TTL output specifications are maintained, ensuring circuit-level compatibility with existing designs.

Frequently Asked Questions (FAQ)

Q: Why is the ASFL-33.000MHZ-LC obsolete?

A: The ASFL-33.000MHZ-LC has reached end-of-life status with Abracon LLC. The ASFL1-33.000MHZ-EK-T represents the active product line continuation for 33 MHz oscillators from this manufacturer.

Q: Are the ASFL-33.000MHZ-LC and ASFL1-33.000MHZ-EK-T electrically equivalent?

A: Both parts operate at 33 MHz with HCMOS and TTL output compatibility. The ASFL1-33.000MHZ-EK-T specifies 3.3V supply voltage and includes enable/disable functionality. Electrical compatibility is confirmed for applications requiring these output types.

Q: What is the package difference between these parts?

A: The ASFL1-33.000MHZ-EK-T is specified as 4-SMD, No Lead surface mount package with dimensions 5.00mm x 3.20mm and maximum seated height of 1.30mm. The original ASFL-33.000MHZ-LC package specifications are not provided in available documentation.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the ASFL-33.000MHZ-LC and ASFL1-33.000MHZ-EK-T are ROHS3 compliant, REACH unaffected, and classified as MSL 1 (Unlimited).

Q: What is the frequency stability of the substitute part?

A: The ASFL1-33.000MHZ-EK-T specifies ±30ppm frequency stability. This parameter was not provided for the original ASFL-33.000MHZ-LC.

Q: Is the enable/disable function available on the original part?

A: The ASFL1-33.000MHZ-EK-T includes enable/disable functionality with maximum disable current of 10µA. This feature specification is not documented for the ASFL-33.000MHZ-LC.

Q: What is the maximum supply current for the substitute part?

A: The ASFL1-33.000MHZ-EK-T specifies maximum supply current of 45mA during normal operation.