Equivalent & Substitute Parts Reference for Vicor VI-21R-CX

Part Overview

Vicor VI-21R-CX is an isolated DC DC converter module designed for ITE (Commercial) applications, providing a single output of 7.5V at up to 10A current and rated for 75W output power. With a full brick package and through-hole mounting, the module offers input voltage range from 21V to 32V, 3 kV isolation, and features including OCP, OTP, OVP, and SCP. The VI-21R-CX is classified as obsolete, making it necessary to select substitute or equivalent models matching the required application parameters.

Substiute Parts

VI-21R-CX

Vicor CorporationIn Stock: 827VI-21R-CX Datasheet

Current PartRFQ

VI-21R-CX-B1

Vicor CorporationIn Stock: 948VI-21R-CX-B1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is based strictly on matching electrical and mechanical parameters: input voltage range, output voltage, maximum output current, output power rating, isolation voltage, module type, mounting method, package dimensions, operating temperature range, series, feature set, efficiency, and application category. Compliance and certification statuses such as RoHS, REACH, ECCN, and HTSUS are also considered, as is the obsolete status of the original part.

Parameter Comparison

Engineering Selection Recommendations

Selection between Vicor VI-21R-CX and VI-21R-CX-B1 must be based on product status, compliance declarations, and inventory. VI-21R-CX is obsolete, while VI-21R-CX-B1 is active and available. Both parts are RoHS non-compliant and share the same REACH, ECCN, and HTSUS status, ensuring identical certification characteristics.

Frequently Asked Questions (FAQ)

Q1: What parameters must match for a DC DC converter module to be substituted in this application?
A1: Key substitution parameters include input voltage range, output voltage, output current rating, output power, isolation voltage, module type, mounting type, package dimensions, operating temperature range, feature set, and application category.

Q2: Can the Vicor VI-21R-CX-B1 directly replace VI-21R-CX in the same slot?
A2: Both parts share all critical electrical parameters and mounting type; however, the VI-21R-CX-B1 has a different height dimension (1.07" vs. 0.50"). Ensure mechanical fit in the target system.

Q3: Are there compliance differences between VI-21R-CX and VI-21R-CX-B1?
A3: Both modules are RoHS non-compliant and REACH unaffected, with identical ECCN and HTSUS codes.

Q4: What certification statuses must be checked before substituting DC DC converter modules?
A4: ECCN, HTSUS, RoHS, and REACH status should match project requirements and be consistent between original and substitute parts.

Q5: Why is locating an equivalent part necessary for VI-21R-CX?
A5: The VI-21R-CX is obsolete, making ongoing procurement and long-term support dependent on selecting an active substitute with matching specifications.