STTH1302CG Equivalent & Substitute Parts

Part Overview

The STTH1302CG is a general-purpose diode array manufactured by STMicroelectronics, configured as 1 pair common cathode with 200 V reverse voltage rating and 6.5 A average rectified current per diode. The device is packaged in TO-263-3 (D2PAK) surface mount configuration with fast recovery characteristics (≤500 ns). This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. Substitute parts must maintain compatibility with the TO-263-3 package footprint and electrical performance envelope while meeting the same functional requirements.

Substiute Parts

STTH1302CG

STMicroelectronicsIn Stock: 789STTH1302CG Datasheet

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FFB20UP20DN-F085

onsemiIn Stock: 6473FFB20UP20DN-F085 Datasheet

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MBR16200DC_R2_00001

Panjit International Inc.In Stock: 1602MBR16200DC_R2_00001 Datasheet

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SBR10200CTB-13-G

Diodes IncorporatedIn Stock: 1552SBR10200CTB-13-G Datasheet

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SBR20A200CTB

Diodes IncorporatedIn Stock: 7637SBR20A200CTB Datasheet

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SBR20A200CTB-13

Diodes IncorporatedIn Stock: 3080SBR20A200CTB-13 Datasheet

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VS-MURB1620CTRHM3

Vishay General Semiconductor - Diodes DivisionIn Stock: 921VS-MURB1620CTRHM3 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the STTH1302CG is determined by strict adherence to the following electrical and mechanical parameters:

Critical Compatibility Parameters:

• Diode Configuration: 1 Pair Common Cathode (pinout compatibility)
• Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB (mechanical fit and thermal interface)
• Voltage - DC Reverse (Vr) (Max): 200 V (minimum requirement)
• Mounting Type: Surface Mount (assembly process compatibility)

Performance Parameters (must meet or exceed):

• Current - Average Rectified (Io) (per Diode): ≥6.5 A
• Speed: Fast Recovery ≤500 ns, >200 mA (Io)
• Operating Temperature - Junction: ≥175°C maximum rating

Compliance Parameters:

• RoHS Status: ROHS3 Compliant (regulatory requirement)

Substitute parts are grouped based on current rating capability. Parts with current ratings equal to or greater than 6.5 A are direct substitutes. Parts with lower current ratings (5 A) are listed but represent downrated alternatives suitable only for applications with reduced current requirements. All substitute parts maintain the same package footprint, pinout configuration, and voltage rating as the main part.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Recommended for Direct Replacement):

FFB20UP20DN-F085 (onsemi) and SBR20A200CTB-13 (Diodes Incorporated) are the preferred substitutes for the STTH1302CG. Both parts are active products with 10 A current rating, exceeding the 6.5 A requirement of the main part. Both maintain identical package configuration (TO-263-3, D2PAK), pinout (1 Pair Common Cathode), and voltage rating (200 V). Both are ROHS3 compliant. FFB20UP20DN-F085 carries AEC-Q101 automotive qualification, suitable for automotive applications. SBR20A200CTB-13 is available in Tape & Reel packaging with 3000 pieces in stock.

Secondary Substitutes (Current Rating Considerations):

VS-MURB1620CTRHM3 (Vishay) provides 8 A current rating with AEC-Q101 automotive qualification and FRED Pt® series designation. This part is suitable for applications requiring automotive-grade reliability. MBR16200DC_R2_00001 (Panjit International Inc.) offers the highest current rating at 16 A with Schottky technology, providing lower forward voltage characteristics. This part is suitable for high-current applications where thermal performance is critical.

Downrated Alternative:

SBR10200CTB-13-G (Diodes Incorporated) provides 5 A current rating, below the 6.5 A specification of the main part. This part is suitable only for applications with reduced current requirements or as a temporary solution where higher-rated parts are unavailable.

Product Status Consideration:

All substitute parts listed are active products with confirmed inventory availability, providing long-term procurement security compared to the obsolete STTH1302CG.

Frequently Asked Questions (FAQ)

Q: Can FFB20UP20DN-F085 be used as a direct replacement for STTH1302CG?

A: Yes. FFB20UP20DN-F085 maintains identical package configuration (TO-263-3, D2PAK), pinout (1 Pair Common Cathode), and voltage rating (200 V). The 10 A current rating exceeds the 6.5 A requirement. Both parts are ROHS3 compliant and support fast recovery operation (≤500 ns). FFB20UP20DN-F085 is an active product, providing long-term availability.

Q: What is the difference between SBR20A200CTB and SBR20A200CTB-13?

A: Both parts are electrically identical with 10 A current rating, 200 V reverse voltage, and Super Barrier technology. The primary difference is packaging: SBR20A200CTB is supplied in Tube packaging, while SBR20A200CTB-13 is supplied in Tape & Reel (TR) packaging. Selection depends on assembly process requirements and inventory management preferences.

Q: Why does MBR16200DC_R2_00001 have lower forward voltage than STTH1302CG?

A: MBR16200DC_R2_00001 uses Schottky technology, which inherently exhibits lower forward voltage (900 mV @ 8 A) compared to standard rectifier diodes (1.1 V @ 6.5 A for STTH1302CG). Schottky diodes are suitable for applications where reduced power dissipation is required, though they typically exhibit higher reverse leakage current.

Q: Is SBR10200CTB-13-G suitable for applications requiring 6.5 A?

A: SBR10200CTB-13-G is rated for 5 A average rectified current, which is below the 6.5 A requirement of STTH1302CG. This part is not suitable for applications requiring the full 6.5 A specification. Use this part only for applications with reduced current requirements or as a temporary solution.

Q: Are all substitute parts compatible with the same PCB footprint as STTH1302CG?

A: Yes. All substitute parts use the TO-263-3 (D2PAK) package with identical mechanical dimensions and pin configuration. PCB footprints designed for STTH1302CG are compatible with all listed substitute parts without modification.

Q: Which substitute part is recommended for automotive applications?

A: FFB20UP20DN-F085 and VS-MURB1620CTRHM3 both carry AEC-Q101 automotive qualification. FFB20UP20DN-F085 provides 10 A current rating, while VS-MURB1620CTRHM3 provides 8 A. Selection depends on specific current requirements and thermal design constraints.

Q: What is the impact of reverse recovery time differences on circuit performance?

A: Reverse recovery time (trr) affects switching speed and electromagnetic interference characteristics. STTH1302CG specifies 25 ns. Substitute parts range from 20 ns (SBR10200CTB-13-G, VS-MURB1620CTRHM3) to 40 ns (FFB20UP20DN-F085). Shorter trr values reduce switching losses and EMI. All parts meet the fast recovery specification (≤500 ns), ensuring compatibility with high-frequency switching applications.

Q: How does reverse leakage current affect circuit design?

A: Reverse leakage current increases with temperature and affects standby power consumption and circuit biasing. STTH1302CG specifies 6 µA @ 200 V. Substitute parts range from 5 µA to 250 µA. For applications sensitive to leakage current, SBR10200CTB-13-G (5 µA) or FFB20UP20DN-F085 (10 µA) are preferred. MBR16200DC_R2_00001 and VS-MURB1620CTRHM3 exhibit higher leakage and are suitable for applications where leakage is not a limiting factor.