SPP20N60CFDXKSA1 Equivalent & Substitute Parts

Part Overview

The SPP20N60CFDXKSA1 is an N-Channel 650V 20.7A MOSFET manufactured by Infineon Technologies in the CoolMOS™ series. This device is rated for 208W power dissipation and features a TO-220-3 package for through-hole mounting. The part is classified as "Not For New Designs," indicating it has reached end-of-life status. Finding equivalent or substitute parts is necessary for ongoing maintenance, repair, and legacy system support where this component remains in active use.

Substiute Parts

SPP20N60CFDXKSA1

Infineon TechnologiesIn Stock: 765SPP20N60CFDXKSA1 Datasheet

Current PartRFQ

SPP20N65C3XKSA1

Infineon TechnologiesIn Stock: 1301SPP20N65C3XKSA1 Datasheet

DirectRFQ

AOT15S65L

Alpha & Omega Semiconductor Inc.In Stock: 2598AOT15S65L Datasheet

MFR RecommendedRFQ

IRF830A

Vishay SiliconixIn Stock: 2365IRF830A Datasheet

MFR RecommendedRFQ

IRF830APBF

Vishay SiliconixIn Stock: 1458IRF830APBF Datasheet

MFR RecommendedRFQ

IRFBC30APBF

Vishay SiliconixIn Stock: 2118IRFBC30APBF Datasheet

MFR RecommendedRFQ

IXTP20N65XM

IXYSIn Stock: 775IXTP20N65XM Datasheet

MFR RecommendedRFQ

TK16E60W5,S1VX

Toshiba Semiconductor and StorageIn Stock: 828TK16E60W5,S1VX Datasheet

MFR RecommendedRFQ

SPW20N60CFDFKSA1

Infineon TechnologiesIn Stock: 928SPW20N60CFDFKSA1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SPP20N60CFDXKSA1 is determined by the following critical parameters:

Primary Substitution Criteria:

• Drain to Source Voltage (Vdss): Must be ≥650V to maintain voltage rating compatibility
• Continuous Drain Current (Id): Must be ≥20.7A to support the same current-handling capacity
• On-State Resistance (Rds On): Lower values indicate improved performance; values near or below 220mOhm are preferred
• Package Type: TO-220-3 or compatible through-hole packages
• Operating Temperature Range: Must support -55°C to 150°C minimum
• Gate Voltage Rating (Vgs): Must accommodate ±20V or greater

Substitute Categories:

Category 1: Direct Infineon Equivalents — Parts from the same manufacturer with identical or improved electrical specifications and the same package family.

Category 2: Cross-Manufacturer Equivalents — Parts from other manufacturers (Vishay Siliconix, Alpha & Omega Semiconductor, IXYS, Toshiba) meeting or exceeding the voltage, current, and thermal specifications.

Category 3: Parametric Equivalents — Parts with identical electrical performance but different package types (e.g., TO-247-3 instead of TO-220-3), suitable for applications where package footprint can be adapted.

Parts that fall below the 650V voltage rating or 20.7A current rating are listed as limited-use alternatives only and require application-level verification.

Parameter Comparison

Engineering Selection Recommendations

Tier 1: Direct Substitutes (Recommended for Drop-In Replacement)

SPP20N65C3XKSA1 — Infineon Technologies, same series (CoolMOS™), identical voltage and current ratings, improved on-state resistance (190mOhm vs. 220mOhm), lower gate charge (114nC vs. 124nC), same TO-220-3 package. Status: Not For New Designs. This part offers superior electrical performance with no layout modifications required.

SPW20N60CFDFKSA1 — Infineon Technologies, identical electrical specifications to the main part, same series, different package (TO-247-3). Status: Not For New Designs. Suitable when board layout can accommodate the larger TO-247-3 footprint; provides improved thermal performance due to larger package size.

Tier 2: Functional Equivalents (Current and Voltage Rated)

TK16E60W5,S1VX — Toshiba Semiconductor, 600V/15.8A, on-state resistance 230mOhm, active product status. Meets voltage requirement (600V exceeds 650V requirement minimally; verify application margin). Current rating of 15.8A is below the 20.7A specification; suitable only for applications with reduced current demand or where thermal derating is acceptable.

Tier 3: Limited-Use Alternatives (Below Rated Specifications)

AOT15S65L — Alpha & Omega Semiconductor, 650V/15A, on-state resistance 290mOhm. Current rating of 15A is 27% below the 20.7A specification. Suitable only for legacy applications where current demand does not exceed 15A continuous operation.

IXTP20N65XM — IXYS, 650V/9A, on-state resistance 210mOhm. Current rating of 9A is 57% below specification. Status: Last Time Buy. Not recommended for applications requiring full 20.7A capacity.

Not Recommended:

IRF830A, IRF830APBF, IRFBC30APBF — Vishay Siliconix parts. These devices feature significantly lower voltage ratings (500V or 600V) and substantially reduced current capacity (3.6A to 5A). On-state resistance values are orders of magnitude higher (1.4Ohm to 2.2Ohm). These parts are unsuitable for direct substitution and should be considered only in applications with fundamentally different electrical requirements.

Frequently Asked Questions (FAQ)

Q: Can SPP20N65C3XKSA1 replace SPP20N60CFDXKSA1 in all applications?

A: Yes, for applications within the original design envelope. SPP20N65C3XKSA1 maintains identical voltage (650V) and current (20.7A) ratings, operates across the same temperature range (-55°C to 150°C), and features improved on-state resistance (190mOhm vs. 220mOhm). Both parts are Infineon CoolMOS™ devices in TO-220-3 packages. No circuit modifications are required.

Q: What is the difference between TO-220-3 and TO-247-3 packages?

A: Both are through-hole packages for N-Channel MOSFETs with three leads (Gate, Drain, Source). TO-247-3 is physically larger than TO-220-3, providing improved thermal dissipation due to increased copper contact area. SPW20N60CFDFKSA1 uses TO-247-3 and is electrically identical to the main part. Selection depends on PCB layout constraints and thermal requirements. TO-247-3 is preferred for high-power applications requiring maximum heat transfer.

Q: Why are Vishay IRF830 series parts listed as substitutes if they have lower voltage and current ratings?

A: IRF830A and IRF830APBF are listed in the original substitute list provided but do not meet the electrical specifications of SPP20N60CFDXKSA1. These parts feature 500V voltage rating (150V below requirement) and 5A current rating (76% below requirement). They are included for reference only and are not suitable for direct replacement in applications requiring 650V/20.7A performance.

Q: Is RoHS compliance a factor in selecting a substitute?

A: Yes. SPP20N60CFDXKSA1 is ROHS3 Compliant. SPP20N65C3XKSA1 and SPW20N60CFDFKSA1 are also ROHS3 Compliant. IRF830A is RoHS non-compliant, while IRF830APBF and IRFBC30APBF are ROHS3 Compliant. For applications subject to RoHS regulations, select only ROHS3 Compliant alternatives.

Q: What does "Not For New Designs" status mean?

A: This designation indicates the part has reached end-of-life and is no longer recommended for new product development. However, inventory remains available for legacy system support and repair. SPP20N60CFDXKSA1, SPP20N65C3XKSA1, and SPW20N60CFDFKSA1 all carry this status. For new designs, consider active-status alternatives such as TK16E60W5,S1VX (Toshiba, Active status).

Q: Can AOT15S65L be used if my application only requires 15A instead of 20.7A?

A: Yes, if your application's continuous drain current requirement does not exceed 15A. AOT15S65L maintains the 650V voltage rating and operates across the same temperature range. However, verify that the 290mOhm on-state resistance (vs. 220mOhm for the main part) does not create unacceptable power dissipation in your thermal design. Gate charge is significantly lower (17.2nC vs. 124nC), which may improve switching performance.

Q: What inventory status should I consider when selecting a substitute?

A: Inventory availability is provided for reference. SPP20N65C3XKSA1 has 1283 pcs in stock (higher than the main part's 738 pcs), making it readily available. TK16E60W5,S1VX (Toshiba, Active status) has 738 pcs available and offers the advantage of active product status, ensuring longer-term availability and potential future stock replenishment.