FEPB16CTHE3_A/I Equivalent & Substitute Parts

Part Overview

The FEPB16CTHE3_A/I is a general-purpose diode array manufactured by Vishay General Semiconductor - Diodes Division. This component features a 1 Pair Common Cathode configuration rated for 150 V DC reverse voltage and 8 A average rectified current per diode, housed in a TO-263-3 D2PAK surface mount package. The part is designated as Last Time Buy, indicating discontinued production status. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for ongoing production and repair applications.

Substiute Parts

FEPB16CTHE3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 888FEPB16CTHE3_A/I Datasheet

Current PartRFQ

FEPB16DTHM3/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 990FEPB16DTHM3/I Datasheet

MFR RecommendedRFQ

SFS1603G MNG

Taiwan Semiconductor CorporationIn Stock: 706SFS1603G MNG Datasheet

MFR RecommendedRFQ

STPS40170CGY-TR

STMicroelectronicsIn Stock: 2257STPS40170CGY-TR Datasheet

MFR RecommendedRFQ

STTH1602CG-TR

STMicroelectronicsIn Stock: 3665STTH1602CG-TR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the FEPB16CTHE3_A/I is determined by the following critical parameters:

Package Compatibility: All substitute parts must use the TO-263-3 D2PAK surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts.

Diode Configuration: Substitute parts must maintain the 1 Pair Common Cathode configuration to preserve circuit functionality and pin compatibility.

Voltage Rating: Substitute parts must meet or exceed the 150 V DC reverse voltage specification. Parts with higher voltage ratings (200 V, 170 V) are acceptable as they provide enhanced voltage margin.

Current Rating: Substitute parts must support at least 8 A average rectified current per diode. Parts with higher current ratings (10 A, 16 A, 20 A) are acceptable as they provide increased current capacity.

Technology and Speed: Substitute parts must maintain Fast Recovery characteristics (≤ 500ns, > 200mA) to preserve switching performance. Both Standard and Schottky technology types are acceptable based on application requirements.

Compliance and Certification: All substitute parts must maintain Automotive grade classification and AEC-Q101 qualification to satisfy automotive application requirements. RoHS3 compliance and MSL 1 rating must be preserved.

Parameter Comparison

Engineering Selection Recommendations

FEPB16DTHM3/I (Vishay General Semiconductor - Diodes Division)

This part is the manufacturer-recommended substitute from Vishay. It maintains identical diode configuration, package, and thermal operating range. The FEPB16DTHM3/I provides enhanced specifications with 200 V reverse voltage rating and 16 A current capacity, delivering improved voltage and current margins. Both parts carry Automotive grade classification and AEC-Q101 qualification. Active product status ensures long-term availability. This substitute is optimal for direct replacement in automotive applications requiring sustained component supply.

STTH1602CG-TR (STMicroelectronics)

This part meets all critical substitution criteria with matching 1 Pair Common Cathode configuration and TO-263-3 D2PAK package. The STTH1602CG-TR provides 200 V reverse voltage and 10 A current rating, exceeding the original 150 V / 8 A specification. Reverse recovery time of 26 ns is superior to the original 35 ns specification. Active product status and high inventory availability support production continuity. This substitute is suitable for applications where enhanced switching performance is beneficial.

STPS40170CGY-TR (STMicroelectronics)

This Schottky diode array provides 170 V reverse voltage and 20 A current capacity in the required TO-263-3 D2PAK package. The Schottky technology delivers lower forward voltage (920 mV @ 20 A) compared to standard diodes, reducing power dissipation. Automotive grade and AEC-Q101 qualification are maintained. Extended operating temperature range (-40°C ~ 175°C) provides thermal margin. This substitute is applicable where reduced forward voltage drop and improved thermal performance are advantageous.

SFS1603G MNG (Taiwan Semiconductor Corporation)

This part maintains the 150 V reverse voltage and 1 Pair Common Cathode configuration in the required TO-263-3 D2PAK package. The SFS1603G MNG provides 16 A current capacity, doubling the original specification. RoHS3 compliance and MSL 1 rating are preserved. Active product status ensures availability. Automotive grade and AEC-Q101 qualification information is not provided in the specification data. This substitute is suitable for non-automotive applications or where automotive certification is not required.

Frequently Asked Questions (FAQ)

Q: Can the FEPB16DTHM3/I directly replace the FEPB16CTHE3_A/I in all applications?

A: Yes. The FEPB16DTHM3/I maintains identical diode configuration (1 Pair Common Cathode), package (TO-263-3 D2PAK), thermal range (-55°C ~ 150°C), and automotive certifications (AEC-Q101). Enhanced voltage (200 V vs. 150 V) and current (16 A vs. 8 A) ratings provide improved performance margins without circuit modification.

Q: What is the difference between Standard and Schottky diode substitutes?

A: Standard diodes (FEPB16DTHM3/I, STTH1602CG-TR, SFS1603G MNG) and Schottky diodes (STPS40170CGY-TR) differ in forward voltage characteristics. Schottky diodes exhibit lower forward voltage drop (920 mV @ 20 A for STPS40170CGY-TR) compared to standard diodes (950 mV @ 8 A for FEPB16CTHE3_A/I), resulting in reduced power dissipation. Both technologies maintain Fast Recovery characteristics and are compatible with the TO-263-3 D2PAK package.

Q: Are all substitute parts suitable for automotive applications?

A: FEPB16DTHM3/I and STPS40170CGY-TR carry Automotive grade classification and AEC-Q101 qualification, meeting automotive application requirements. SFS1603G MNG and STTH1602CG-TR do not specify automotive grade or AEC-Q101 qualification in provided data. For automotive applications, FEPB16DTHM3/I or STPS40170CGY-TR are recommended.

Q: What is the significance of the TO-263-3 D2PAK package specification?

A: The TO-263-3 D2PAK package is a surface mount package with 2 leads plus a thermal tab. All substitute parts use this identical package, ensuring mechanical compatibility with existing PCB layouts, solder reflow processes, and thermal management designs. Package compatibility eliminates the need for PCB redesign.

Q: How do current ratings affect substitution decisions?

A: The FEPB16CTHE3_A/I is rated for 8 A average rectified current per diode. Substitute parts with equal or higher current ratings (10 A, 16 A, 20 A) are acceptable and provide increased current capacity margin. Higher current ratings do not compromise circuit function and allow operation at higher current levels without exceeding component limits.

Q: What is the impact of reverse recovery time (trr) differences?

A: Reverse recovery time affects switching speed and switching losses. The FEPB16CTHE3_A/I specifies 35 ns trr. STTH1602CG-TR provides superior 26 ns trr, enabling faster switching and reduced switching losses. STPS40170CGY-TR does not specify trr but maintains Fast Recovery characteristics. Lower trr values are beneficial in high-frequency switching applications.

Q: Can parts with higher voltage ratings be used in place of the original 150 V specification?

A: Yes. Substitute parts with 170 V (STPS40170CGY-TR) or 200 V (FEPB16DTHM3/I, STTH1602CG-TR) reverse voltage ratings are acceptable. Higher voltage ratings provide increased voltage margin and protection against voltage transients without affecting circuit operation at the original 150 V design point.

Q: What does Last Time Buy status mean for the FEPB16CTHE3_A/I?

A: Last Time Buy indicates that Vishay has discontinued production of the FEPB16CTHE3_A/I. Existing inventory is available for final orders, but no future production is planned. Substitute parts with Active product status (FEPB16DTHM3/I, STTH1602CG-TR, STPS40170CGY-TR, SFS1603G MNG) ensure long-term component availability for ongoing production requirements.

Q: Are RoHS3 compliance and MSL 1 rating maintained across all substitutes?

A: FEPB16DTHM3/I, STTH1602CG-TR, STPS40170CGY-TR, and SFS1603G MNG all maintain RoHS3 compliance and MSL 1 (Unlimited) rating, matching the original part specifications. These environmental and moisture sensitivity characteristics are preserved across all recommended substitutes.