FESB16BTHE3_A/P Equivalent & Substitute Parts

Part Overview

The FESB16BTHE3_A/P is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component is rated for 100 V DC reverse voltage and 16 A average rectified current in a TO-263AB (D2PAK) package. The device features fast recovery characteristics with a reverse recovery time of 35 ns and is qualified to AEC-Q101 automotive standards.

This part is designated as Last Time Buy, indicating discontinued production. Identifying equivalent and substitute parts is necessary to ensure design continuity and procurement availability for new production runs and ongoing support.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	16	A
Voltage - Forward (Vf) (Max) @ If	975 mV @ 16 A	mV
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	10 µA @ 100 V	µA
Package / Case	TO-263-3, D2PAK (2 Leads + Tab)	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-65°C ~ 150°C	°C
Grade	Automotive	—
Qualification	AEC-Q101	—
Technology	Standard	—

Substitute Part Grouping Explanation

Substitution of the FESB16BTHE3_A/P is determined by the following critical parameters:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) rating must equal or exceed 100 V
Current - Average Rectified (Io) must equal or exceed 16 A
Forward voltage drop must be compatible with circuit design
Reverse recovery time must support fast recovery operation

Mechanical & Package Compatibility:

Package must be TO-263-3, D2PAK (2 Leads + Tab), or TO-263AB
Mounting type must be Surface Mount
Pin configuration must match or be functionally equivalent

Quality & Compliance Requirements:

Automotive grade qualification (AEC-Q101)
RoHS3 compliance
Operating temperature range must support -65°C to 150°C junction temperature

Two substitute parts are identified based on these criteria:

FESB16DTHM3/I — Direct Vishay equivalent with enhanced voltage rating (200 V)
STPS20H100CGY-TR — STMicroelectronics alternative with different diode configuration and technology

Parameter Comparison

Parameter	FESB16BTHE3_A/P (Main)	FESB16DTHM3/I (Substitute 1)	STPS20H100CGY-TR (Substitute 2)
Manufacturer	Vishay General Semiconductor	Vishay General Semiconductor	STMicroelectronics
Voltage - DC Reverse (Vr) (Max)	100 V	200 V	100 V
Current - Average Rectified (Io)	16 A	16 A	10 A per diode
Voltage - Forward (Vf) (Max) @ If	975 mV @ 16 A	975 mV @ 16 A	770 mV @ 10 A
Reverse Recovery Time (trr)	35 ns	35 ns	≤ 500 ns
Current - Reverse Leakage @ Vr	10 µA @ 100 V	10 µA @ 200 V	4.5 µA @ 100 V
Technology	Standard	Standard	Schottky
Diode Configuration	Single Diode	Single Diode	1 Pair Common Cathode
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-65°C ~ 150°C	-65°C ~ 150°C	-40°C ~ 175°C
Grade	Automotive	Automotive	Automotive
Qualification	AEC-Q101	AEC-Q101	AEC-Q101
Product Status	Last Time Buy	Active	Active
RoHS Status	ROHS3 Compliant	Not specified	ROHS3 Compliant

Engineering Selection Recommendations

FESB16DTHM3/I Selection Criteria:

The FESB16DTHM3/I is the primary substitute for the FESB16BTHE3_A/P. This part is manufactured by the same supplier (Vishay General Semiconductor - Diodes Division) and maintains identical electrical performance characteristics including forward voltage, reverse recovery time, and reverse leakage current. The key difference is an elevated DC reverse voltage rating of 200 V compared to the original 100 V specification. This higher voltage rating provides additional design margin and is fully backward compatible with circuits designed for 100 V operation. The part is currently in Active product status with 985 units in stock, ensuring procurement availability. AEC-Q101 qualification and automotive-grade designation confirm suitability for automotive applications.

STPS20H100CGY-TR Selection Criteria:

The STPS20H100CGY-TR is an alternative substitute manufactured by STMicroelectronics. This part differs in three significant aspects: (1) it employs Schottky technology rather than standard rectifier technology, (2) it is configured as a diode pair with common cathode rather than a single diode, and (3) the current rating is 10 A per diode rather than 16 A. The Schottky technology provides lower forward voltage (770 mV @ 10 A) and superior reverse recovery characteristics. However, the reduced current rating and different configuration require circuit-level evaluation. The part maintains AEC-Q101 qualification and automotive-grade status. This substitute is suitable only for applications where the diode pair configuration and reduced current rating are compatible with circuit requirements.

Product Status Consideration:

The original FESB16BTHE3_A/P is designated Last Time Buy, indicating production discontinuation. Both substitute parts are in Active status, ensuring long-term availability and supply chain stability for new designs and production continuity.

Frequently Asked Questions (FAQ)

Q: Can FESB16DTHM3/I be used as a direct replacement for FESB16BTHE3_A/P?

A: Yes. The FESB16DTHM3/I is a direct substitute. Both parts are single-diode rectifiers in TO-263AB packages with identical forward voltage, reverse recovery time, and reverse leakage characteristics. The 200 V reverse voltage rating of the FESB16DTHM3/I exceeds the 100 V requirement of the original part, providing additional design margin while maintaining full backward compatibility.

Q: What are the key differences between FESB16DTHM3/I and STPS20H100CGY-TR?

A: The primary differences are: (1) FESB16DTHM3/I uses standard rectifier technology while STPS20H100CGY-TR uses Schottky technology; (2) FESB16DTHM3/I is a single diode rated 16 A while STPS20H100CGY-TR is a diode pair rated 10 A per diode; (3) STPS20H100CGY-TR has lower forward voltage (770 mV) compared to FESB16DTHM3/I (975 mV); (4) STPS20H100CGY-TR has a wider operating temperature range (-40°C to 175°C) compared to FESB16DTHM3/I (-65°C to 150°C).

Q: Is the STPS20H100CGY-TR suitable for all applications using FESB16BTHE3_A/P?

A: No. The STPS20H100CGY-TR has a reduced current rating of 10 A per diode and a different diode configuration (pair with common cathode). It is suitable only for applications where the circuit topology accommodates the diode pair configuration and where the 10 A per diode rating meets or exceeds the application current requirement. Circuit-level evaluation is required.

Q: Are all substitute parts automotive-qualified?

A: Yes. Both FESB16DTHM3/I and STPS20H100CGY-TR carry AEC-Q101 qualification and automotive-grade designation, matching the original FESB16BTHE3_A/P specification.

Q: What is the impact of the different reverse recovery times?

A: The FESB16BTHE3_A/P and FESB16DTHM3/I both specify 35 ns reverse recovery time, supporting fast recovery operation. The STPS20H100CGY-TR specifies ≤ 500 ns, which is slower. For applications sensitive to reverse recovery characteristics, the FESB16DTHM3/I maintains identical performance to the original part.

Q: Are there packaging differences between the substitutes?

A: No. All three parts use the TO-263-3, D2PAK (2 Leads + Tab) surface mount package. Mechanical compatibility and PCB layout remain unchanged.

Q: What is the availability status of each substitute?

A: FESB16DTHM3/I has 985 units in stock and is in Active product status. STPS20H100CGY-TR has 1494 units in stock and is in Active product status. Both parts offer superior availability compared to the original FESB16BTHE3_A/P, which is Last Time Buy.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message