PCA14.5/6ER-U07S002 Equivalent & Substitute Parts

Part Overview

The PCA14.5/6ER-U07S002 is a capacitor charger transformer for configurable DC/DC SMPS applications manufactured by TDK Corporation. This component provides 500Vrms isolation and features parallel inductance of 8.3µH at 10kHz with series inductance of 299µH at 10kHz. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

PCA14.5/6ER-U07S002

TDK CorporationIn Stock: 979PCA14.5/6ER-U07S002 Datasheet

Current PartRFQ

VPH2-0083-R

Eaton - Electronics DivisionIn Stock: 1164VPH2-0083-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PCA14.5/6ER-U07S002 is determined by the following critical parameters:

• Inductance Values: Parallel inductance of 8.3µH and series inductance of 299µH at 10kHz must be matched or functionally equivalent
• Isolation Voltage: 500Vrms isolation requirement must be maintained
• Mounting Type: Surface mount configuration required for PCB compatibility
• Physical Footprint: Dimensions and height constraints must accommodate existing board layouts
• Operating Temperature Range: Minimum operating range of -40°C to at least 85°C
• Application Compatibility: Transformer must support capacitor charger and DC/DC SMPS configurations

The VPH2-0083-R from Eaton - Electronics Division meets these substitution criteria through matching inductance specifications, isolation voltage capability, surface mount packaging, and compatible physical dimensions.

Parameter Comparison

Engineering Selection Recommendations

The VPH2-0083-R is the designated manufacturer-recommended substitute for the PCA14.5/6ER-U07S002. Selection of this alternative is supported by the following factors:

• Active Product Status: The VPH2-0083-R maintains active production status, ensuring long-term availability and supply chain continuity
• Compliance Enhancement: The substitute achieves ROHS3 compliance, addressing regulatory requirements that may not have applied to the original obsolete component
• Extended Temperature Range: Operating temperature capability extends to 125°C, providing additional thermal margin beyond the original -40°C to 85°C specification
• Matched Electrical Specifications: Parallel inductance of 8.3µH aligns with the primary electrical requirement for capacitor charger transformer applications
• Compatible Physical Packaging: Surface mount configuration and height specifications remain consistent with existing PCB designs

Frequently Asked Questions (FAQ)

Q: Can the VPH2-0083-R be used as a direct replacement for the PCA14.5/6ER-U07S002?

A: Yes. The VPH2-0083-R matches the critical electrical parameters (8.3µH parallel inductance) and physical constraints (surface mount, 0.307" maximum height) required for substitution. The footprint width increases from 0.472" to 0.661", which must be verified against available PCB layout space.

Q: What is the significance of the series inductance value (299µH) for the original part?

A: The series inductance of 299µH at 10kHz is a specified parameter for the PCA14.5/6ER-U07S002. The VPH2-0083-R specification provided does not include series inductance data; verification with the manufacturer is necessary if series inductance is a critical design parameter.

Q: Does the extended operating temperature range of the VPH2-0083-R affect compatibility?

A: No. The extended range (-40°C to 125°C) is a superset of the original specification (-40°C to 85°C), providing additional operational margin without introducing compatibility issues.

Q: Are there packaging considerations when transitioning from the original part?

A: The VPH2-0083-R is supplied in Tape & Reel (TR) packaging, which is standard for surface mount components. Verify that your assembly process accommodates this packaging format.

Q: What is the impact of the RoHS compliance difference?

A: The original PCA14.5/6ER-U07S002 is RoHS non-compliant, while the VPH2-0083-R achieves ROHS3 compliance. If your application or market requires RoHS compliance, the substitute addresses this requirement. If RoHS compliance is not mandated, this difference does not affect functional compatibility.

Q: Should the footprint width increase from 16.30mm to 16.80mm be a concern?

A: The width increase of 0.50mm (0.661" vs 0.472") must be evaluated against available PCB layout space. Verify that the component placement area accommodates the larger footprint before implementation.