Equivalent & Substitute Parts for Vicor VI-J4F-IZ

Part Overview

The Vicor VI-J4F-IZ is an isolated DC-DC converter module designed for ITE (Commercial) applications. It provides a single output of 72V at 347mA, supports a wide input range from 55V to 100V, and delivers 25W of power. This half-brick through-hole component offers features such as overcurrent and short circuit protection, 3 kV isolation, and an operating temperature range from -40°C to 100°C. The product status of VI-J4F-IZ is “Obsolete,” necessitating the identification of alternative models to ensure continued system support and supply chain reliability.

Substiute Parts

VI-J4F-IZ

Vicor CorporationIn Stock: 828VI-J4F-IZ Datasheet

Current PartRFQ

VI-J4F-IZ-F1

Vicor CorporationIn Stock: 1089VI-J4F-IZ-F1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution is determined strictly by matching equivalent electrical and mechanical parameters. The following key parameters govern suitability as an equivalent or substitute DC-DC converter in this category:

• Series and base product compatibility
• Input voltage range (55V - 100V)
• Output voltage (72V) and output current (347mA) for 25W power
• Isolation voltage (3 kV)
• Features (OCP, SCP)
• Applications support (ITE, Commercial)
• Mounting type (Through Hole)
• Package/case format (Half Brick)
• Operating temperature range (-40°C ~ 100°C)
• Efficiency (90%)
• Compliance consideration (RoHS, REACH)

Parameter Comparison

Engineering Selection Recommendations

The main part, VI-J4F-IZ, is designated as obsolete, indicating supply chain and lifecycle concerns. VI-J4F-IZ-F1 is categorized as active and shares all key electrical specifications, mechanical mounting, application scope, features, and compliance status (RoHS non-compliant, REACH Unaffected). Both modules use the half-brick form factor; however, dimensional differences exist and should be considered in mechanical fit assessments. No deviation exists for certifications or compliance based on the provided dataset.

Frequently Asked Questions (FAQ)

Q: What are the definitive criteria for substituting VI-J4F-IZ with VI-J4F-IZ-F1?
A: Substitution is based on identical electrical specifications, application type, protection features, mounting method, package/case type, and compliance parameters.

Q: Are there differences in mechanical dimensions between VI-J4F-IZ and VI-J4F-IZ-F1?
A: VI-J4F-IZ measures 2.28" x 2.40" x 0.50" (57.9mm x 70.0mm x 12.7mm), while VI-J4F-IZ-F1 is 2.28" x 1.86" x 0.79" (57.9mm x 47.2mm x 20.1mm). Dimensional fit should be verified within the intended system environment.

Q: Does the substitute part offer different certifications or compliance?
A: Both VI-J4F-IZ and VI-J4F-IZ-F1 are RoHS non-compliant and REACH unaffected.

Q: Is there any change in electrical or thermal performance between these parts?
A: All specified electrical and thermal characteristics are equivalent as per the parameters provided.

Q: Is the substitute part suitable for the same application category?
A: Both parts are categorized for ITE (Commercial) applications with identical electrical characteristics and protection features.