FESB16JTHE3_A/I Equivalent & Substitute Parts

Part Overview

The FESB16JTHE3_A/I is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount device operates at 600 V DC reverse voltage with a 16 A average rectified current rating. The component is housed in a TO-263AB (D2PAK) package and qualifies for automotive applications under AEC-Q101 certification.

The FESB16JTHE3_A/I carries a Last Time Buy product status, indicating that the manufacturer has discontinued or will discontinue production. Identifying equivalent and substitute parts ensures design continuity and supply chain reliability for applications currently utilizing this component.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	16	A
Voltage - Forward (Vf) (Max) @ If	1.5 @ 16 A	V
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	10 @ 600 V	µA
Capacitance @ Vr, F	145 @ 4V, 1MHz	pF
Operating Temperature - Junction	-65 to 150	°C
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	—
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q101	—
Technology	Standard	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—

Substitute Part Grouping Explanation

Substitution of the FESB16JTHE3_A/I is determined by electrical and mechanical parameter equivalence. The following criteria establish valid substitutes:

Electrical Parameters (Must Match):

Voltage - DC Reverse (Vr) (Max): 600 V
Current - Average Rectified (Io): 16 A
Voltage - Forward (Vf) (Max) @ If: 1.5 V @ 16 A
Reverse Recovery Time (trr): 50 ns
Current - Reverse Leakage @ Vr: 10 µA @ 600 V
Capacitance @ Vr, F: 145 pF @ 4V, 1MHz
Operating Temperature - Junction: -65°C to 150°C
Technology: Standard
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical Parameters (Must Match):

Package / Case: TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Mounting Type: Surface Mount

Compliance Parameters (Must Match for Automotive Applications):

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

All identified substitute parts meet these criteria and are manufactured by Vishay General Semiconductor - Diodes Division.

Parameter Comparison

Parameter	FESB16JTHE3_A/I (Main)	FESB16JTHM3/I (Substitute)	FESB16JT-E3/81 (Substitute)
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V
Current - Average Rectified (Io)	16 A	16 A	16 A
Voltage - Forward (Vf) (Max) @ If	1.5 V @ 16 A	1.5 V @ 16 A	1.5 V @ 16 A
Reverse Recovery Time (trr)	50 ns	50 ns	50 ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V
Capacitance @ Vr, F	145 pF @ 4V, 1MHz	145 pF @ 4V, 1MHz	145 pF @ 4V, 1MHz
Operating Temperature - Junction	-65°C to 150°C	-65°C to 150°C	-65°C to 150°C
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Technology	Standard	Standard	Standard
Speed	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Grade	Automotive	Automotive	Not specified
Qualification	AEC-Q101	AEC-Q101	Not specified
Product Status	Last Time Buy	Active	Last Time Buy
RoHS Status	ROHS3 Compliant	Not specified	ROHS3 Compliant

Engineering Selection Recommendations

FESB16JTHM3/I is the primary recommended substitute for the FESB16JTHE3_A/I. This part maintains full electrical and mechanical equivalence while offering Active product status, ensuring continued availability and supply chain stability. The FESB16JTHM3/I carries automotive-grade qualification and AEC-Q101 certification, meeting all compliance requirements for automotive applications. Current inventory of 990 pieces supports immediate procurement needs.

FESB16JT-E3/81 is a parametric equivalent that matches all electrical specifications and mechanical packaging requirements. This part carries Last Time Buy status, similar to the original component. The FESB16JT-E3/81 is ROHS3 compliant with 1892 pieces in current inventory. However, automotive grade and AEC-Q101 qualification status are not specified for this variant. Selection of this part requires confirmation that automotive qualification is not a mandatory requirement for the application.

For applications requiring guaranteed long-term availability and active product support, FESB16JTHM3/I is the preferred selection. For applications where Last Time Buy status is acceptable and automotive qualification is not required, FESB16JT-E3/81 provides an alternative with equivalent electrical performance.

Frequently Asked Questions (FAQ)

Q: Can FESB16JTHM3/I be used as a direct replacement for FESB16JTHE3_A/I?

A: Yes. The FESB16JTHM3/I is electrically and mechanically equivalent to the FESB16JTHE3_A/I. Both devices share identical voltage ratings (600 V), current ratings (16 A), forward voltage characteristics (1.5 V @ 16 A), reverse recovery time (50 ns), and package configuration (TO-263AB D2PAK). Both are automotive-grade with AEC-Q101 qualification. Direct substitution is valid for all applications currently using the FESB16JTHE3_A/I.

Q: What is the difference between FESB16JTHE3_A/I and FESB16JT-E3/81?

A: Both parts are parametrically equivalent with identical electrical specifications and the same TO-263AB package. The primary differences are packaging format (FESB16JTHE3_A/I is supplied in Cut Tape; FESB16JT-E3/81 is also supplied in Cut Tape) and product status (both are Last Time Buy). Automotive grade and AEC-Q101 qualification are specified for FESB16JTHE3_A/I but not documented for FESB16JT-E3/81.

Q: Why is FESB16JTHE3_A/I marked as Last Time Buy?

A: Last Time Buy status indicates that the manufacturer has ceased or will cease production of this part number. This status necessitates identifying equivalent alternatives to ensure design continuity. The FESB16JTHM3/I offers the same electrical and mechanical performance with Active product status, providing a path forward for ongoing production requirements.

Q: Are all three parts suitable for automotive applications?

A: FESB16JTHE3_A/I and FESB16JTHM3/I are both specified as automotive-grade with AEC-Q101 qualification. FESB16JT-E3/81 does not have documented automotive grade or AEC-Q101 qualification in the provided specifications. For applications requiring automotive qualification, FESB16JTHM3/I is the appropriate selection.

Q: What is the TO-263AB package, and is it compatible across all three parts?

A: The TO-263AB package, also designated D2PAK, is a surface mount package with two leads plus a tab for thermal management. All three parts (FESB16JTHE3_A/I, FESB16JTHM3/I, and FESB16JT-E3/81) use this identical package configuration, ensuring mechanical and thermal compatibility in PCB layouts and thermal management designs.

Q: Can I mix FESB16JTHM3/I and FESB16JT-E3/81 in the same design?

A: Yes, both parts are parametrically equivalent and share the same package. However, for consistency in procurement, testing, and supply chain management, using a single part number across a design is recommended. If mixing is necessary, both parts meet identical electrical specifications and will function equivalently in the circuit.

Q: What inventory levels are available for each part?

A: Current inventory levels are FESB16JTHE3_A/I: 1911 pieces, FESB16JTHM3/I: 990 pieces, and FESB16JT-E3/81: 1892 pieces. For long-term production requirements, FESB16JTHM3/I with Active status provides the most reliable supply path despite lower current inventory.

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