Equivalent & Substitute Parts for 30CPF02

Part Overview

The 30CPF02 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 200 V DC reverse voltage and 30 A average rectified current in a Through Hole TO-247AC package. This component is classified as Obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement continuity. The part operates across a junction temperature range of -40°C to 150°C and features fast recovery characteristics with a reverse recovery time of 160 ns.

Substiute Parts

30CPF02

Vishay General Semiconductor - Diodes DivisionIn Stock: 168430CPF02 Datasheet

Current PartRFQ

STTH3002CW

STMicroelectronicsIn Stock: 5028STTH3002CW Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 30CPF02 is based on the following critical electrical and mechanical parameters:

Voltage Rating Compatibility: The substitute part must maintain the 200 V DC reverse voltage specification to ensure safe operation within the original circuit design envelope.

Package Compatibility: Both the main part and substitute utilize the TO-247-3 Through Hole package, ensuring mechanical and thermal interface compatibility with existing PCB layouts and mounting hardware.

Speed Classification: Both parts are classified as Fast Recovery diodes with reverse recovery time specifications within the ≤ 500 ns range, maintaining switching performance characteristics.

Current Handling: The substitute part is rated for 15 A per diode in a dual-diode configuration (1 Pair Common Cathode), which differs from the single 30 A diode topology of the main part. This configuration difference requires circuit-level evaluation for compatibility.

Compliance Status: The substitute part carries active product status and RoHS3 compliance, addressing obsolescence and regulatory requirements associated with the main part.

Parameter Comparison

Engineering Selection Recommendations

The STTH3002CW is identified as a substitute for the obsolete 30CPF02 based on matching voltage and package specifications. The substitute part offers the following advantages:

Product Status: The STTH3002CW carries Active product status, ensuring long-term availability and manufacturing support compared to the Obsolete 30CPF02.

Regulatory Compliance: The STTH3002CW is RoHS3 compliant, addressing regulatory requirements that may apply to new designs or procurement cycles. The 30CPF02 is RoHS non-compliant.

Thermal Performance: The STTH3002CW supports a maximum junction temperature of 175°C, compared to 150°C for the 30CPF02, providing additional thermal margin in high-temperature operating environments.

Reverse Recovery Characteristics: The STTH3002CW exhibits superior reverse recovery time performance (22 ns versus 160 ns), resulting in reduced switching losses and improved efficiency in high-frequency rectification applications.

Reverse Leakage: The STTH3002CW demonstrates lower reverse leakage current (20 µA versus 100 µA at 200 V), indicating improved blocking characteristics and reduced standby power dissipation.

Configuration Consideration: The STTH3002CW is a dual-diode array with common cathode configuration, whereas the 30CPF02 is a single diode. Circuit topology and application requirements must be evaluated to determine compatibility with this configuration difference.

Frequently Asked Questions (FAQ)

Q: Can the STTH3002CW directly replace the 30CPF02 in all applications?

A: Direct replacement requires evaluation of circuit topology. The 30CPF02 is a single 30 A diode, while the STTH3002CW is a dual-diode array rated at 15 A per diode. Applications requiring a single 30 A diode path may require circuit redesign to utilize the dual-diode configuration or parallel connection of the STTH3002CW diodes.

Q: What are the voltage compatibility requirements for substitution?

A: Both parts are rated for 200 V DC reverse voltage. Circuits designed for 200 V operation are compatible with either part from a voltage standpoint. The substitute part does not exceed the voltage rating of the original part.

Q: Are the TO-247-3 packages mechanically identical?

A: Both the 30CPF02 and STTH3002CW utilize the TO-247-3 Through Hole package. Mechanical compatibility with existing PCB footprints and mounting hardware is maintained. Thermal interface characteristics may differ due to internal die configuration differences.

Q: What is the significance of the reverse recovery time difference?

A: The STTH3002CW exhibits 22 ns reverse recovery time compared to 160 ns for the 30CPF02. This superior performance reduces switching losses and is beneficial in high-frequency rectification circuits. Applications operating at lower frequencies are not adversely affected by this difference.

Q: Does RoHS compliance affect electrical performance?

A: RoHS3 compliance of the STTH3002CW indicates conformance to lead-free manufacturing and restricted substance requirements. Electrical performance characteristics are independent of RoHS status. The compliance designation addresses regulatory and procurement requirements rather than functional performance.

Q: How should the dual-diode configuration of the STTH3002CW be evaluated?

A: The STTH3002CW common cathode configuration allows independent use of each diode or parallel connection for increased current capacity. Circuit analysis is required to determine whether the application can utilize this configuration or requires redesign to accommodate the dual-diode topology.

Q: What is the impact of lower forward voltage on circuit performance?

A: The STTH3002CW exhibits 1.05 V forward voltage at 15 A compared to 1.41 V at 30 A for the 30CPF02. Lower forward voltage reduces power dissipation in the diode, resulting in improved efficiency and reduced thermal load. This is a beneficial characteristic for rectification applications.