STPR2420CT Equivalent & Substitute Parts

Part Overview

The STPR2420CT is a diode array rectifier manufactured by STMicroelectronics, configured as a 1 Pair Common Cathode design rated for 200 V DC reverse voltage and 12 A average rectified current per diode. The device is packaged in a TO-220-3 through-hole format and classified as obsolete. Due to its obsolete product status, equivalent substitute parts with active availability are necessary for new designs and ongoing production requirements. Substitute parts maintain the same voltage rating, diode configuration, and package type while offering improved performance characteristics or enhanced current ratings.

Substiute Parts

STPR2420CT

STMicroelectronicsIn Stock: 3378STPR2420CT Datasheet

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STTH2002CT

STMicroelectronicsIn Stock: 17006STTH2002CT Datasheet

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BYV32-200G

onsemiIn Stock: 51043BYV32-200G Datasheet

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DPG20C200PB

IXYSIn Stock: 10101DPG20C200PB Datasheet

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MUR1620CTG

onsemiIn Stock: 91230MUR1620CTG Datasheet

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SF1004GHC0G

Taiwan Semiconductor CorporationIn Stock: 975SF1004GHC0G Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the STPR2420CT are selected based on strict electrical and mechanical compatibility criteria. All substitute parts must meet the following requirements:

Mandatory Matching Parameters:

• Voltage - DC Reverse (Vr) (Max): 200 V
• Diode Configuration: 1 Pair Common Cathode
• Mounting Type: Through Hole
• Package / Case: TO-220-3
• Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
• RoHS Status: ROHS3 Compliant

Allowable Variation Parameters:

• Current - Average Rectified (Io) (per Diode): Equal to or greater than 12 A
• Voltage - Forward (Vf) (Max): Within acceptable operating range
• Reverse Recovery Time (trr): Equal to or less than 30 ns
• Operating Temperature - Junction (Max): Equal to or greater than 150°C
• Current - Reverse Leakage @ Vr: Equal to or less than 50 µA @ 200 V

Substitute parts are grouped by their ability to directly replace the STPR2420CT in circuit applications while maintaining or improving electrical performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: STTH2002CT

The STTH2002CT is the preferred substitute for the STPR2420CT. Both devices are manufactured by STMicroelectronics and share identical electrical specifications with the exception of current rating. The STTH2002CT provides 15 A average rectified current per diode, exceeding the 12 A requirement of the original part. The device maintains the same 200 V reverse voltage rating, 1 Pair Common Cathode configuration, and TO-220-3 package. The STTH2002CT features improved reverse recovery time (27 ns versus 30 ns) and reduced reverse leakage current (10 µA versus 50 µA). The part is actively manufactured and widely available. RoHS3 compliance and REACH unaffected status are maintained.

Secondary Substitute: DPG20C200PB

The DPG20C200PB manufactured by IXYS is a suitable alternative when STTH2002CT availability is constrained. This device provides 10 A average rectified current per diode, which is below the original 12 A specification but remains within acceptable operating margins for many applications. The DPG20C200PB maintains the 200 V reverse voltage rating and TO-220-3 package configuration. The device features exceptionally low reverse leakage current (1 µA @ 200 V) and is actively produced. RoHS3 compliance is confirmed.

Alternative Substitutes: BYV32-200G and MUR1620CTG

The BYV32-200G and MUR1620CTG are both rated for 8 A average rectified current per diode, which is below the original 12 A specification. These devices are suitable only for applications where the circuit design accommodates reduced current capacity. Both parts maintain the 200 V reverse voltage rating, 1 Pair Common Cathode configuration, and TO-220-3 package. Both are actively manufactured and RoHS3 compliant.

Note on SF1004GHC0G

The SF1004GHC0G is a single diode device, not a diode array with common cathode configuration. This part does not meet the mandatory diode configuration requirement and is not a direct substitute for the STPR2420CT.

Frequently Asked Questions (FAQ)

Q: Can the STTH2002CT directly replace the STPR2420CT in existing circuit designs?

A: Yes. The STTH2002CT is a direct replacement. Both devices share identical voltage ratings (200 V), diode configuration (1 Pair Common Cathode), and package type (TO-220-3). The STTH2002CT provides higher current capacity (15 A versus 12 A), improved reverse recovery time, and reduced reverse leakage current. No circuit modifications are required.

Q: What is the significance of the "1 Pair Common Cathode" configuration?

A: This configuration indicates the diode array contains two diodes with a shared cathode terminal. The three leads of the TO-220-3 package correspond to two anodes and one common cathode. Substitute parts must maintain this exact configuration to ensure pin-to-pin compatibility and proper circuit operation.

Q: Why is the DPG20C200PB rated for only 10 A when the original part is 12 A?

A: The DPG20C200PB is rated for 10 A average rectified current per diode, which is lower than the original 12 A specification. This part is suitable for applications where the circuit design operates below 10 A or where thermal management allows for reduced current capacity. Circuit analysis is required to determine if this reduced rating is acceptable for specific applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this document are RoHS3 compliant and REACH unaffected, matching the compliance status of the original STPR2420CT.

Q: What is the difference between reverse recovery time specifications?

A: Reverse recovery time (trr) is the time required for a diode to switch from forward conduction to reverse blocking. The STPR2420CT specifies 30 ns. Substitute parts with equal or lower trr values (such as STTH2002CT at 27 ns) provide faster switching characteristics. Parts with higher trr values (such as BYV32-200G at 35 ns) have slightly slower switching but remain within the fast recovery classification.

Q: Can parts with lower current ratings be used in applications designed for 12 A?

A: Parts with lower current ratings (such as BYV32-200G and MUR1620CTG at 8 A) can be used only if the actual circuit current does not exceed the substitute part's rating. Circuit analysis and thermal calculations are required to confirm suitability. Using a part rated below the circuit's actual current demand will result in device failure or reduced reliability.

Q: What is the importance of the TO-220-3 package specification?

A: The TO-220-3 package is a three-lead through-hole component with specific pin spacing and thermal characteristics. All substitute parts must use this identical package to ensure mechanical fit on printed circuit boards and proper thermal dissipation. Package compatibility is mandatory for direct substitution.

Q: Why is the SF1004GHC0G not listed as a suitable substitute?

A: The SF1004GHC0G is a single diode device, not a diode array. The STPR2420CT is a 1 Pair Common Cathode diode array with two diodes sharing a common cathode terminal. The SF1004GHC0G does not provide this configuration and cannot be used as a direct substitute without significant circuit redesign.