FEPB16DTHE3_A/I Equivalent & Substitute Parts

Part Overview

The FEPB16DTHE3_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 200 V DC reverse voltage with 8 A average rectified current per diode. The device is housed in a TO-263-3 D2PAK surface mount package and is qualified to AEC-Q101 automotive standards.

The FEPB16DTHE3_A/I is designated as Last Time Buy, indicating that this part number will no longer be manufactured. Equivalent and substitute parts are necessary to ensure continued design support and procurement availability for new production runs and legacy system maintenance.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Cathode
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io) (per Diode)	8 A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 8 A
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Reverse Recovery Time (trr)	35 ns
Current - Reverse Leakage @ Vr	10 µA @ 200 V
Operating Temperature - Junction	-55°C ~ 150°C
Grade	Automotive
Qualification	AEC-Q101
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the FEPB16DTHE3_A/I is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Diode Configuration: 1 Pair Common Cathode
Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Mounting Type: Surface Mount
Voltage - DC Reverse (Vr) (Max): 200 V minimum

Performance Criteria:

Current - Average Rectified (Io) (per Diode): 8 A minimum
Voltage - Forward (Vf) (Max): Within acceptable operating range
Speed: Fast Recovery ≤ 500 ns, > 200 mA (Io)

Compliance Criteria:

Grade: Automotive
Qualification: AEC-Q101
RoHS Status: ROHS3 Compliant

Substitute parts are grouped into two categories based on current rating and technology type:

Category 1 - Direct Current Rating Upgrades (8 A and above): Parts with equal or higher current ratings that maintain 200 V reverse voltage specification and automotive qualification.

Category 2 - Alternative Technology Options: Parts utilizing Super Barrier or Schottky technology that meet or exceed the electrical specifications while maintaining package and qualification compatibility.

Parameter Comparison

Part Number	Manufacturer	Io (per Diode)	Vr (Max)	Vf (Max)	trr (ns)	Technology	Operating Temp (Junction)	Product Status
FEPB16DTHE3_A/I	Vishay	8 A	200 V	950 mV @ 8 A	35	Standard	-55°C ~ 150°C	Last Time Buy
FEPB16DTHM3/I	Vishay	16 A	200 V	950 mV @ 8 A	35	Standard	-55°C ~ 150°C	Active
FFB20UP20DN-F085	onsemi	10 A	200 V	1.15 V @ 10 A	40	Standard	-55°C ~ 175°C	Active
SBR10200CTB-13-G	Diodes Incorporated	5 A	200 V	920 mV @ 5 A	20	Super Barrier	-65°C ~ 175°C	Active
SBR20A200CTB	Diodes Incorporated	10 A	200 V	960 mV @ 20 A	30	Super Barrier	-65°C ~ 175°C	Active
SBR20A200CTB-13	Diodes Incorporated	10 A	200 V	960 mV @ 20 A	30	Super Barrier	-65°C ~ 175°C	Active
STPS40170CGY-TR	STMicroelectronics	20 A	170 V	920 mV @ 20 A	N/A	Schottky	-40°C ~ 175°C	Active
STTH1602CG-TR	STMicroelectronics	10 A	200 V	1.1 V @ 8 A	26	Standard	-55°C ~ 175°C	Active

Engineering Selection Recommendations

Primary Recommendation - Vishay FEPB16DTHM3/I: This part is the manufacturer-recommended direct replacement from Vishay. It maintains identical electrical characteristics to the FEPB16DTHE3_A/I while offering increased current capacity (16 A vs. 8 A). The part is Active status, ensuring long-term availability. It retains the same technology, package, and automotive qualification (AEC-Q101). This option is suitable for designs requiring no circuit modifications.

Secondary Recommendation - STMicroelectronics STTH1602CG-TR: This part meets the 200 V reverse voltage and 10 A current requirements with Active product status. It maintains standard diode technology and automotive qualification. The reverse recovery time is improved (26 ns vs. 35 ns), and the operating temperature range extends to 175°C. This option is suitable for applications where extended temperature performance is beneficial.

Alternative Recommendation - Diodes Incorporated SBR20A200CTB-13: This part offers 10 A current capacity at 200 V with Super Barrier technology, providing lower forward voltage characteristics and faster recovery time (30 ns). It is available in Tape & Reel packaging and maintains Active status. The extended operating temperature range (-65°C ~ 175°C) provides additional thermal margin. This option is suitable for high-efficiency applications where reduced forward voltage losses are advantageous.

Not Recommended - STMicroelectronics STPS40170CGY-TR: While this Schottky diode array offers superior current capacity (20 A) and lower forward voltage, the maximum reverse voltage rating is 170 V, which is below the 200 V specification of the original part. This part is not suitable for direct substitution in applications requiring 200 V reverse voltage rating.

Not Recommended - Diodes Incorporated SBR10200CTB-13-G: This part has a maximum current rating of 5 A per diode, which is below the 8 A requirement of the original part. This part is not suitable for applications requiring 8 A or higher current capacity.

Frequently Asked Questions (FAQ)

Q: Can I use FEPB16DTHM3/I as a direct replacement for FEPB16DTHE3_A/I?

A: Yes. The FEPB16DTHM3/I is the manufacturer-recommended equivalent from Vishay. It maintains the same package (TO-263-3 D2PAK), diode configuration (1 Pair Common Cathode), reverse voltage rating (200 V), and automotive qualification (AEC-Q101). The increased current rating (16 A vs. 8 A) provides additional design margin without requiring circuit modifications.

Q: What is the difference between Standard and Super Barrier diode technology?

A: Super Barrier diodes (SBR series) utilize a different semiconductor junction structure that reduces forward voltage drop compared to standard diodes. For the parts listed, Super Barrier diodes exhibit forward voltages of approximately 920-960 mV compared to 950-1150 mV for standard diodes at equivalent current levels. This results in lower power dissipation in high-current applications.

Q: Are all substitute parts automotive-qualified?

A: All recommended substitute parts carry AEC-Q101 automotive qualification except STPS40170CGY-TR, which is automotive-grade but does not list AEC-Q101 qualification in the provided specifications. For automotive applications, verify qualification requirements with your design specifications.

Q: Can I use a substitute part with higher current rating than the original?

A: Yes. A substitute part with equal or higher current rating is compatible with the original design. The FEPB16DTHE3_A/I is rated for 8 A per diode. Substitute parts rated for 10 A, 16 A, or 20 A will operate within specification in circuits designed for 8 A operation.

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

A: The TO-263-3 D2PAK package is a surface mount package with three leads: two signal leads and one tab for thermal dissipation. All substitute parts listed use this identical package, ensuring mechanical and thermal compatibility with the original PCB layout and thermal management design.

Q: Why is STPS40170CGY-TR not recommended despite its high current rating?

A: The STPS40170CGY-TR has a maximum reverse voltage rating of 170 V, which is below the 200 V specification of the FEPB16DTHE3_A/I. Using this part in a circuit designed for 200 V operation would result in diode failure. This part is not suitable for direct substitution.

Q: What does "Last Time Buy" status mean for the FEPB16DTHE3_A/I?

A: Last Time Buy indicates that Vishay will no longer manufacture this part number after a specified date. Existing inventory may be available, but no new production will occur. Designs using this part should transition to an active substitute part to ensure long-term component availability.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference are RoHS3 compliant, matching the compliance status of the original FEPB16DTHE3_A/I.

Q: What is the difference between Tape & Reel and Tube packaging?

A: Tape & Reel (TR) packaging is used for automated assembly processes and high-volume production. Tube packaging is used for lower-volume applications or manual assembly. Both packaging types contain the same electronic component; the difference is in the physical delivery format. Verify your assembly process requirements when selecting between packaging options.

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