CS20-4.096MABJ-UT Equivalent & Substitute Parts

Part Overview

The CS20-4.096MABJ-UT is a 4.096 MHz crystal oscillator manufactured by Citizen Finedevice Co Ltd, designed for fundamental mode operation in surface mount applications. This component features an 18pF load capacitance and 150 Ohms equivalent series resistance (ESR), housed in a 4-SMD, No Lead package measuring 11.60mm x 5.50mm.

The CS20-4.096MABJ-UT is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this crystal frequency and package specification.

Substiute Parts

CS20-4.096MABJ-UT

Citizen Finedevice Co LtdIn Stock: 852CS20-4.096MABJ-UT Datasheet

Current PartRFQ

ABC2-4.096MHZ-4-T

Abracon LLCIn Stock: 1057ABC2-4.096MHZ-4-T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CS20-4.096MABJ-UT is determined by strict equivalence across the following critical parameters:

• Frequency: 4.096 MHz (exact match required)
• Frequency Tolerance: ±30ppm (exact match required)
• Load Capacitance: 18pF (exact match required)
• Operating Mode: Fundamental (exact match required)
• Package / Case: 4-SMD, No Lead (exact match required)
• Operating Temperature Range: -10°C ~ 60°C (minimum required)

The ABC2-4.096MHZ-4-T meets all substitution criteria. While the ESR differs (120 Ohms versus 150 Ohms) and physical dimensions vary slightly, these variations remain within acceptable tolerances for equivalent component selection in this product category. The substitute maintains identical electrical performance specifications for frequency, tolerance, load capacitance, and operating mode.

Parameter Comparison

Engineering Selection Recommendations

The ABC2-4.096MHZ-4-T is a direct functional equivalent for the obsolete CS20-4.096MABJ-UT. Selection of the substitute part is supported by the following factors:

The ABC2-4.096MHZ-4-T maintains active product status, ensuring ongoing availability and supply chain continuity. The substitute meets all critical electrical specifications: identical frequency (4.096 MHz), frequency tolerance (±30ppm), load capacitance (18pF), and operating temperature range (-10°C ~ 60°C).

The ABC2-4.096MHZ-4-T is ROHS3 Compliant and REACH Affected, providing regulatory alignment for modern manufacturing environments. Both parts share identical ECCN (EAR99) and HTSUS (8541.60.0030) classifications.

Physical compatibility is maintained through identical package type (4-SMD, No Lead) and compatible dimensions. The substitute's slightly lower ESR (120 Ohms versus 150 Ohms) and reduced seated height (2.00mm versus 2.20mm) present no impedance to circuit integration.

Frequently Asked Questions (FAQ)

Q: Can the ABC2-4.096MHZ-4-T replace the CS20-4.096MABJ-UT in existing designs?

A: Yes. The ABC2-4.096MHZ-4-T is electrically and mechanically equivalent. Both parts operate at 4.096 MHz with ±30ppm frequency tolerance, 18pF load capacitance, and identical operating temperature range. The 4-SMD, No Lead package is identical, and physical dimensions are compatible.

Q: What is the significance of the ESR difference (150 Ohms versus 120 Ohms)?

A: ESR (Equivalent Series Resistance) affects crystal oscillator circuit damping and startup characteristics. The ABC2-4.096MHZ-4-T's lower ESR (120 Ohms) is within acceptable tolerance for this product category and does not prevent substitution. Circuit validation may be performed if ESR-sensitive applications require confirmation.

Q: Are there packaging differences between these parts?

A: The main part (CS20-4.096MABJ-UT) packaging is unspecified. The substitute (ABC2-4.096MHZ-4-T) is supplied in Tape & Reel (TR) format, which is standard for surface mount production. This packaging format is compatible with automated assembly processes.

Q: What is the product status difference, and why does it matter?

A: The CS20-4.096MABJ-UT is obsolete, meaning Citizen Finedevice Co Ltd no longer manufactures this part. The ABC2-4.096MHZ-4-T is active, ensuring continued availability from Abracon LLC. For new designs or ongoing production, the active substitute part is the appropriate selection.

Q: Are there compliance or regulatory differences?

A: The ABC2-4.096MHZ-4-T is ROHS3 Compliant and REACH Affected, meeting current regulatory requirements. Both parts share identical ECCN and HTSUS classifications, supporting consistent export and import compliance.