UP050B223K-A-BZ Equivalent & Substitute Parts

Part Overview

The UP050B223K-A-BZ is a 0.022 µF ceramic capacitor rated for 50V with axial through-hole mounting, manufactured by Taiyo Yuden. This component features a B-type temperature coefficient and operates across -25°C to 85°C. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing production and maintenance applications. Substitute parts must maintain the same capacitance value, voltage rating, tolerance, and mounting configuration while meeting current component availability and compliance requirements.

Substiute Parts

UP050B223K-A-BZ

Taiyo YudenIn Stock: 1008UP050B223K-A-BZ Datasheet

Current PartRFQ

UMK105B7223KV-FR

Taiyo YudenIn Stock: 67837UMK105B7223KV-FR Datasheet

SimilarRFQ

A223K15X7RF5TAA

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 122491A223K15X7RF5TAA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the UP050B223K-A-BZ is determined by the following parameters:

Critical Matching Parameters:

• Capacitance value of 0.022 µF (no tolerance deviation acceptable)
• Voltage rating of 50V or higher
• Tolerance of ±10% or tighter
• RoHS3 compliance status

Mounting Configuration:

• Primary substitute must maintain axial through-hole mounting to ensure direct PCB footprint compatibility
• Surface mount alternatives are listed separately due to different assembly requirements

Temperature Performance:

• B-type temperature coefficient (original specification) provides -25°C to 85°C operation
• X7R alternatives extend operating range to -55°C to 125°C, offering broader environmental capability
• Both coefficient types are acceptable provided voltage and capacitance specifications are met

Regulatory and Environmental:

• All substitutes must maintain ROHS3 compliance
• Moisture sensitivity level 1 (unlimited) is maintained across all alternatives

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Through-Hole Axial Mounting):

The A223K15X7RF5TAA from Vishay Beyschlag/Draloric/BC Components is the primary recommended substitute. This part maintains identical capacitance (0.022 µF), voltage rating (50V), and tolerance (±10%) specifications. It features axial through-hole mounting, ensuring direct PCB compatibility without layout modifications. The part carries Active product status with full availability (122,430 units in stock), ROHS3 compliance, and REACH unaffected designation. The X7R temperature coefficient extends the operating range to -55°C to 125°C, providing enhanced thermal performance compared to the original B-type specification.

For Surface Mount Applications:

The UMK105B7223KV-FR from Taiyo Yuden is suitable only for applications where surface mount technology is specified. This 0402 (1005 Metric) MLCC maintains the same capacitance, voltage, and tolerance parameters. The part is classified as Not For New Designs but remains available (67,743 units in stock) for legacy system support. Surface mount substitution requires PCB redesign and is not a direct replacement for through-hole applications.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and are currently in stock. The A223K15X7RF5TAA is recommended for new production due to its Active status and superior long-term availability assurance.

Frequently Asked Questions (FAQ)

Q: Can the A223K15X7RF5TAA be used as a direct replacement for the UP050B223K-A-BZ?

A: Yes. Both parts share identical capacitance (0.022 µF), voltage rating (50V), and tolerance (±10%) specifications. Both feature axial through-hole mounting with straight leads, enabling direct PCB footprint compatibility without layout changes. The A223K15X7RF5TAA is currently in Active production status with full inventory availability.

Q: What is the difference between B-type and X7R temperature coefficients?

A: The B-type temperature coefficient (original part) specifies a -25°C to 85°C operating range. The X7R temperature coefficient (substitute parts) extends this to -55°C to 125°C. X7R provides broader environmental capability and is suitable for applications requiring extended temperature performance. Both coefficient types meet the electrical requirements of the original specification.

Q: Why is the UMK105B7223KV-FR listed as "Not For New Designs"?

A: This designation indicates the part is in mature production phase with no planned enhancements or long-term support commitments. While suitable for legacy system maintenance, it is not recommended for new product development. The A223K15X7RF5TAA is the preferred choice for new applications.

Q: Are there physical dimension differences between the main part and substitutes?

A: Yes. The UP050B223K-A-BZ measures 0.087" diameter × 0.126" length (2.20mm × 3.20mm). The A223K15X7RF5TAA measures 0.098" diameter × 0.150" length (2.50mm × 3.80mm). Both are axial through-hole components with compatible PCB mounting, though the substitute is slightly larger. The UMK105B7223KV-FR is a surface mount 0402 package (1.00mm × 0.50mm) and requires different PCB footprints.

Q: Do all substitute parts maintain the same moisture sensitivity level?

A: The UP050B223K-A-BZ and UMK105B7223KV-FR both specify Moisture Sensitivity Level 1 (Unlimited). The A223K15X7RF5TAA specifies Not Applicable, indicating it does not require moisture sensitivity classification. All parts are suitable for standard storage and handling conditions.

Q: What compliance certifications apply to these parts?

A: All parts are ROHS3 compliant. The A223K15X7RF5TAA and UMK105B7223KV-FR carry REACH Unaffected designation. All parts are classified under ECCN EAR99 for export control purposes.