FFPF30UP20STU Equivalent & Substitute Parts

Part Overview

The FFPF30UP20STU is a general-purpose avalanche diode manufactured by onsemi, rated for 200 V DC reverse voltage and 30 A average rectified current in a Through Hole TO-220F-2L package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The diode features fast recovery characteristics with a reverse recovery time of 50 ns and operates across a junction temperature range of -65°C to 150°C.

Substiute Parts

FFPF30UP20STU

onsemiIn Stock: 2003FFPF30UP20STU Datasheet

Current PartRFQ

VS-ETH3106FP-N3

Vishay General Semiconductor - Diodes DivisionIn Stock: 1157VS-ETH3106FP-N3 Datasheet

DirectRFQ

DPG10I200PM

IXYSIn Stock: 974DPG10I200PM Datasheet

SimilarRFQ

STTH1502FP

STMicroelectronicsIn Stock: 1259STTH1502FP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FFPF30UP20STU is determined by the following critical parameters: voltage rating (Vr), current capacity (Io), package type (TO-220 Through Hole), and fast recovery speed classification. The substitute parts are grouped based on their ability to meet or exceed the original specifications within these constraints.

Direct Substitute (Voltage and Current Match): The VS-ETH3106FP-N3 maintains the same 30 A current rating and exceeds the voltage specification at 600 V, providing enhanced voltage margin. This part is classified as a direct substitute despite the higher voltage rating, as it operates within the same package footprint and thermal envelope.

Similar Substitutes (Partial Parameter Match): The STTH1502FP and DPG10I200PM are classified as similar substitutes due to reduced current ratings (15 A and 10 A respectively) compared to the original 30 A specification. These parts maintain the 200 V voltage rating and TO-220 package compatibility but are suitable only for applications where the lower current capacity is acceptable.

Parameter Comparison

Engineering Selection Recommendations

VS-ETH3106FP-N3 (Direct Substitute): This part is the primary substitute for the FFPF30UP20STU. It maintains the 30 A current rating and TO-220-2 Full Pack configuration. The elevated voltage rating of 600 V provides additional design margin without compromising compatibility. The part is active in production status, ensuring long-term availability. All compliance certifications (ROHS3, REACH Unaffected, EAR99) align with the original component. The higher forward voltage drop (2.15 V vs. 1.15 V) and longer reverse recovery time (90 ns vs. 50 ns) must be evaluated for thermal and switching performance impact in the target application.

STTH1502FP (Similar Substitute): This STMicroelectronics diode is suitable for applications where the current requirement does not exceed 15 A. It maintains the 200 V voltage rating and offers improved reverse recovery time (36 ns) compared to the original. The part is active in production and fully compliant with all regulatory requirements. The reduced current capacity limits its applicability to lower-power circuit implementations.

DPG10I200PM (Similar Substitute): This IXYS component is applicable only to designs requiring 10 A or less. It provides the lowest reverse leakage current (1 µA @ 200 V) among all listed substitutes and the fastest reverse recovery time (35 ns). The isolated tab package variant offers additional design flexibility for thermal management. This part is active in production with full compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can the VS-ETH3106FP-N3 be used as a direct replacement for the FFPF30UP20STU?

A: Yes. The VS-ETH3106FP-N3 maintains the same 30 A current rating and TO-220-2 Full Pack footprint. The 600 V voltage rating exceeds the original 200 V specification, providing additional voltage margin. However, the higher forward voltage drop (2.15 V vs. 1.15 V) will increase power dissipation and heat generation, requiring thermal analysis for the specific application.

Q: Why do the STTH1502FP and DPG10I200PM have lower current ratings?

A: These parts are classified as similar substitutes rather than direct equivalents because their current ratings (15 A and 10 A respectively) are below the original 30 A specification. They are suitable only for applications where the circuit current does not exceed their rated capacity.

Q: Are all substitute parts compatible with the original TO-220-2 package footprint?

A: Yes. All listed substitute parts use Through Hole mounting in TO-220-2 Full Pack or TO-220AC Full Pack configurations, ensuring mechanical and thermal compatibility with the original PCB layout. The DPG10I200PM includes an isolated tab variant, which may require verification against the original design's tab connection requirements.

Q: What is the impact of the longer reverse recovery time in the VS-ETH3106FP-N3?

A: The VS-ETH3106FP-N3 has a reverse recovery time of 90 ns compared to the original 50 ns. This longer recovery time may affect switching frequency performance and electromagnetic interference characteristics in high-frequency applications. Circuit-level analysis is required to determine acceptability for the target application.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant certification, matching the original component's regulatory status. All parts are also REACH Unaffected and classified as EAR99 for export control purposes.

Q: What is the difference between the TO-220F-2L and TO-220AC Full Pack designations?

A: Both designations refer to Through Hole TO-220-2 Full Pack configurations suitable for the same PCB footprint. The specific supplier device package designation (TO-220F-2L, TO-220AC Full Pack, TO-220FPAC, TO-220ACFP) reflects manufacturer-specific packaging conventions but does not affect mechanical or electrical compatibility.