Equivalent & Substitute Parts Reference – Vicor VI-J2T-CY

Part Overview

The Vicor VI-J2T-CY is an isolated module DC DC converter designed for ITE (Commercial) applications, providing a single output of 6.5V at up to 7.69A with an input voltage range of 21V to 56V. This module delivers up to 50W and features 3 kV isolation, OCP, and SCP. It is packaged in a half brick case, with through hole mounting. The VI-J2T-CY is classified as obsolete, requiring identification of substitute components for ongoing projects and maintenance where this specific converter is needed.

Key Parameters

Manufacturer Part Number	Manufacturer	Series	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Applications	Features	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	Product Status	RoHS Status
VI-J2T-CY	Vicor Corporation	VI-J00™ (50W)	21V	56V	6.5V	7.69A	50 W	3 kV	ITE (Commercial)	OCP, SCP	-25°C ~ 100°C	90%	Through Hole	Half Brick	2.28" L x 2.40" W x 0.50" H	Obsolete	RoHS non-compliant

Substitute Part Grouping Explanation

Substitute parts are selected strictly based on matching input voltage range (21V to 56V), output voltage (6.5V), maximum output current (7.69A), power rating (50W), isolation rating (3 kV), application (ITE, Commercial), features (OCP, SCP), operating temperature (-25°C ~ 100°C), efficiency (90%), mounting type (Through Hole), and package case (Half Brick). Only parts with identical key parameters from the same series and manufacturer are considered substitutes.

Parameter Comparison

Manufacturer Part Number	Product Status	Series	Voltage - Input (Min)	Voltage - Input (Max)	Voltage - Output 1	Current - Output (Max)	Power (Watts)	Voltage - Isolation	Applications	Features	Operating Temperature	Efficiency	Mounting Type	Package / Case	Size / Dimension	RoHS Status
VI-J2T-CY	Obsolete	VI-J00™ (50W)	21V	56V	6.5V	7.69A	50 W	3 kV	ITE (Commercial)	OCP, SCP	-25°C ~ 100°C	90%	Through Hole	Half Brick	2.28" L x 2.40" W x 0.50" H	RoHS non-compliant
VI-J2T-CY-F1	Active	VI-J00™ (50W)	21V	56V	6.5V	7.69A	50 W	3 kV	ITE (Commercial)	OCP, SCP	-25°C ~ 100°C	90%	Through Hole	Half Brick	2.28" L x 1.86" W x 0.79" H	RoHS non-compliant

Engineering Selection Recommendations

The VI-J2T-CY is obsolete. The substitute part VI-J2T-CY-F1 from Vicor Corporation matches all key electrical and mechanical parameters and has an active product status. Both parts are RoHS non-compliant, supporting direct substitution for applications where this compliance status is accepted.

Frequently Asked Questions (FAQ)

Q1: What are the main criteria for substituting the VI-J2T-CY?
A1: Substitute components must have identical input voltage, output voltage, output current rating, power, isolation voltage, application category, protection features, series, mounting type, package, operating temperature, and efficiency.

Q2: Is package size or mounting type a factor in selection?
A2: Yes. The substitute part must use the same mounting type (Through Hole) and package type (Half Brick) to ensure mechanical compatibility with the original design.

Q3: Do RoHS compliance or other certifications affect the selection?
A3: Both the main and substitute parts are RoHS non-compliant and REACH unaffected, ensuring consistent compliance and certification status for substitution.

Q4: Can the VI-J2T-CY-F1 be used in place of VI-J2T-CY without technical changes?
A4: Based solely on the provided parameters, the VI-J2T-CY-F1 is a direct substitute for VI-J2T-CY, subject to matching mechanical dimensions as specified.

Q5: Do differences in size/dimension impact mechanical fit?
A5: Mechanical integration requires verification against the specified size/dimension values for each part. Both share the Half Brick case, but size parameters differ and must be matched to board layout specifications.

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