Equivalent & Substitute Parts for Vicor VI-J4K-EX DC DC Converter

Part Overview

Vicor Corporation part number VI-J4K-EX is a DC DC converter module in the VI-J00™ (75W) series. It is an isolated module designed for ITE (commercial) applications, providing a single regulated output of 40V at up to 1.88A, with an input range from 55V to 100V and power output of 75W. The product has an isolation voltage of 3 kV, includes OCP and SCP features, utilizes through-hole mounting, and is housed in a half brick package. The VI-J4K-EX is listed as obsolete, making identification of suitable substitute parts necessary for continued equipment support or replacement scenarios.

Substiute Parts

VI-J4K-EX

Vicor CorporationIn Stock: 1172VI-J4K-EX Datasheet

Current PartRFQ

VI-J4K-EX-F1

Vicor CorporationIn Stock: 894VI-J4K-EX-F1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute grouping for Vicor VI-J4K-EX is based strictly on matching functional and regulatory parameters, all of which are explicitly provided. Compatibility is ensured through identical electrical ratings (input voltage range, output voltage and current, power, isolation voltage, efficiency), matching application and feature sets, identical mounting type and package family, and consistent product compliance. Substitute parts must also share series name, base product number, and similar regulatory classifications.

Key parameters used for grouping:

• Series and Base Product Number
• Type, Number of Outputs
• Input voltage range and Output ratings
• Isolation voltage and efficiency
• Features and application category
• Mounting type, package/case, and physical dimensions
• RoHS, REACH, ECCN, HTSUS, MSL status

Parameter Comparison

Engineering Selection Recommendations

The main part VI-J4K-EX is obsolete, while VI-J4K-EX-F1 is an active product. Both parts share equivalent electrical and mechanical parameters, compliance statuses, regulatory classifications, and application profiles. The VI-J4K-EX-F1 provides continuity of supply under identical series, base part number, and certifications. RoHS and REACH compliance statuses are unchanged and both are classified as RoHS non-compliant and REACH unaffected.

Frequently Asked Questions (FAQ)

Q: What electrical parameters must be matched for substitution in the DC DC converter VI-J4K-EX?
A: Substitute parts must match input voltage range, output voltage, output current, output power, isolation voltage, efficiency, number of outputs, and feature set.

Q: Are there any mechanical differences between VI-J4K-EX and VI-J4K-EX-F1?
A: Both use the half brick package and through-hole mounting type. Size dimensions differ: VI-J4K-EX is 2.28" L x 2.40" W x 0.50" H; VI-J4K-EX-F1 is 2.28" L x 1.86" W x 0.79" H.

Q: How are compliance and certifications considered in substitutions?
A: Both VI-J4K-EX and VI-J4K-EX-F1 are RoHS non-compliant, REACH unaffected, classified as EAR99, and share the same HTSUS and MSL status. Substitute selection must maintain these attributes.

Q: Is substitute VI-J4K-EX-F1 functionally identical to VI-J4K-EX for ITE (commercial) applications?
A: All specified electrical, application, and feature parameters are matched between the parts for ITE (commercial) use.

Q: What series and base product number grouping ensures compatibility?
A: Both components belong to the VI-J00™ (75W) series and have base product number VI-J4K, supporting product compatibility within series specifications.