Equivalent & Substitute Parts Reference for Vicor VI-J4K-CY

Part Overview

The Vicor VI-J4K-CY is an Isolated Module DC-DC Converter, providing a single 40V output at up to 1.25A with an input voltage range of 55V to 100V, rated for 50W power output. Part of the VI-J00™ (50W) series, it is designed for ITE (Commercial) applications and features overcurrent and short-circuit protection. The VI-J4K-CY is obsolete, requiring identification and selection of substitute models with matching electrical, mechanical, and compliance parameters for continued system compatibility.

Substiute Parts

VI-J4K-CY

Vicor CorporationIn Stock: 1203VI-J4K-CY Datasheet

Current PartRFQ

VI-J4K-CY-F1

Vicor CorporationIn Stock: 1156VI-J4K-CY-F1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are selected based solely on identical electrical specifications and mechanical characteristics, including input voltage range, output voltage, output current, isolation voltage, power rating, efficiency, operating temperature, package type, mounting method, and compliance status. All substitute models must match these parameters per product category requirements.

Criteria checked for substitution:

• Input voltage range
• Output voltage and current ratings
• Power output
• Isolation rating
• Efficiency
• Operating temperature
• Mounting type and package/case
• Application suitability
• Regulatory compliance

Parameter Comparison

Engineering Selection Recommendations

When selecting a substitute for the Vicor VI-J4K-CY DC-DC converter, prioritize parts with matching electrical specifications, package type, and compliance status. The VI-J4K-CY-F1 maintains all critical operating parameters and regulatory attributes, with the notable distinction of being an active product. Both parts are RoHS non-compliant and REACH unaffected, and carry the same ECCN and HTSUS designation. Dimensional variation within the Half Brick package should be considered for mechanical fit.

Frequently Asked Questions (FAQ)

Q1: What determines if a DC-DC converter is a valid substitute for Vicor VI-J4K-CY?
A1: Substitution is determined by matching input voltage range, output voltage, output current, power rating, isolation voltage, efficiency, operating temperature range, mounting type, package, and compliance status.

Q2: Can the VI-J4K-CY-F1 be used in place of the VI-J4K-CY in existing designs?
A2: The VI-J4K-CY-F1 matches all functional, electrical, and compliance parameters required for substitution. Size variation within the Half Brick footprint should be verified for the specific mechanical envelope.

Q3: Are there differences in regulatory compliance between the main part and substitute?
A3: Both VI-J4K-CY and VI-J4K-CY-F1 are RoHS non-compliant and REACH unaffected. ECCN and HTSUS codes are consistent.

Q4: What impact does package dimension difference have between these two models?
A4: Both parts are categorized as Half Brick modules. Dimensional differences (width and height) may affect device placement or heatsinking but fall within accepted variances for the category.

Q5: What is the status difference between the two parts?
A5: VI-J4K-CY is obsolete; VI-J4K-CY-F1 is active and suitable for ongoing supply requirements.