8ETX06STRL Equivalent & Substitute Parts

Part Overview

The 8ETX06STRL is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 600 V DC reverse voltage and 8 A average rectified current in a surface mount TO-263AB (D2PAK) package. This component is part of the FRED Pt® series and features fast recovery characteristics with a reverse recovery time of 24 ns.

The 8ETX06STRL is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity and ensure component availability for new production runs and field replacements. Active alternatives with identical or superior electrical characteristics are available from Vishay and other manufacturers.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	8	A
Voltage - Forward (Vf) (Max) @ If	3 V @ 8 A	V @ A
Reverse Recovery Time (trr)	24	ns
Current - Reverse Leakage @ Vr	50	µA @ 600 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Mounting Type	Surface Mount	-
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	-
Operating Temperature - Junction	-65°C ~ 175°C	°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)	-

Substitute Part Grouping Explanation

Substitute parts for the 8ETX06STRL are classified based on electrical parameter equivalence and mechanical compatibility. The substitution logic is structured as follows:

Parametric Equivalents (Vishay FRED Pt® Series): Parts VS-8ETX06STRL-M3 and VS-8ETX06STRR-M3 are parametric equivalents manufactured by Vishay. These parts maintain identical electrical specifications across all critical parameters: 600 V reverse voltage, 8 A average rectified current, 3 V forward voltage at 8 A, 24 ns reverse recovery time, and 50 µA reverse leakage current. The primary distinction is packaging format (Tape & Reel) and product status (Active vs. Obsolete). Both are housed in the same TO-263AB D2PAK package.

Manufacturer Recommended Alternatives: Parts STTH8R06G-TR and STTH8R06GY-TR from STMicroelectronics, and BYT79B-600PJ from WeEn Semiconductors, are manufacturer-recommended alternatives. These parts share the same 600 V reverse voltage rating, 8 A average rectified current, and D2PAK package form factor. Electrical parameters vary within acceptable ranges for general-purpose rectification applications.

Key Parameters Determining Substitution:

Voltage - DC Reverse (Vr) (Max): 600 V (all substitutes match)
Current - Average Rectified (Io): 8 A (all substitutes match or exceed)
Package / Case: TO-263-3, D2PAK (all substitutes match)
Mounting Type: Surface Mount (all substitutes match)
Speed Classification: Fast Recovery (all substitutes match)

Parameter Comparison

Parameter	8ETX06STRL	VS-8ETX06STRL-M3	VS-8ETX06STRR-M3	BYT79B-600PJ	STTH8R06G-TR	STTH8R06GY-TR
Manufacturer	Vishay	Vishay	Vishay	WeEn Semiconductors	STMicroelectronics	STMicroelectronics
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	8 A	8 A	8 A	15 A	8 A	8 A
Voltage - Forward (Vf) (Max) @ If	3 V @ 8 A	3 V @ 8 A	3 V @ 8 A	1.38 V @ 15 A	2.9 V @ 8 A	3.2 V @ 8 A
Reverse Recovery Time (trr)	24 ns	24 ns	24 ns	60 ns	45 ns	45 ns
Current - Reverse Leakage @ Vr	50 µA @ 600 V	50 µA @ 600 V	50 µA @ 600 V	10 µA @ 600 V	30 µA @ 600 V	30 µA @ 600 V
Package / Case	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK	TO-263-3, D2PAK
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	175°C (Max)	175°C (Max)	-40°C ~ 175°C
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Parametric Equivalents - Preferred for Direct Replacement:

VS-8ETX06STRL-M3 and VS-8ETX06STRR-M3 are the primary substitutes for the 8ETX06STRL. Both parts maintain identical electrical specifications and are housed in the same TO-263AB D2PAK package. The distinction between these two Vishay parts is packaging format: VS-8ETX06STRL-M3 is supplied in Tape & Reel format, while VS-8ETX06STRR-M3 is also supplied in Tape & Reel format. Both parts are classified as Active products, ensuring long-term availability. Both parts are ROHS3 Compliant, addressing regulatory requirements that the original obsolete part does not meet.

Manufacturer Recommended Alternatives - Cross-Manufacturer Substitutes:

STTH8R06G-TR and STTH8R06GY-TR from STMicroelectronics are manufacturer-recommended alternatives. Both maintain the 600 V reverse voltage and 8 A current ratings with identical package form factors. STTH8R06G-TR is supplied in Cut Tape & Digi-Reel® format with 43,400 units in stock, providing high availability. STTH8R06GY-TR is supplied in Tape & Reel format and includes AEC-Q101 automotive qualification, making it suitable for automotive applications. Both are ROHS3 Compliant and REACH Unaffected.

BYT79B-600PJ from WeEn Semiconductors is a manufacturer-recommended alternative with a higher current rating of 15 A, providing design margin for applications requiring increased current capacity. This part maintains the 600 V reverse voltage and D2PAK package compatibility. The forward voltage is lower at 1.38 V @ 15 A, and reverse leakage is reduced to 10 µA @ 600 V, indicating superior performance characteristics. Reverse recovery time is 60 ns, which is longer than the original part but remains within fast recovery classification.

Compliance Considerations:

The original 8ETX06STRL is RoHS non-compliant. All recommended substitutes (VS-8ETX06STRL-M3, VS-8ETX06STRR-M3, STTH8R06G-TR, and STTH8R06GY-TR) are ROHS3 Compliant, meeting current regulatory requirements for new designs and production.

Frequently Asked Questions (FAQ)

Q: Can VS-8ETX06STRL-M3 and VS-8ETX06STRR-M3 be used interchangeably with the 8ETX06STRL?

A: Yes. Both parts are parametric equivalents with identical electrical specifications: 600 V reverse voltage, 8 A average rectified current, 3 V forward voltage at 8 A, 24 ns reverse recovery time, and 50 µA reverse leakage current. Both are housed in the TO-263AB D2PAK package with identical pinout and thermal characteristics. The primary difference is packaging format (Tape & Reel), which does not affect electrical performance or mechanical compatibility.

Q: What is the difference between STTH8R06G-TR and STTH8R06GY-TR?

A: Both parts share identical electrical specifications: 600 V reverse voltage, 8 A average rectified current, and D2PAK package form factor. The primary differences are packaging format and automotive qualification. STTH8R06G-TR is supplied in Cut Tape & Digi-Reel® format. STTH8R06GY-TR is supplied in Tape & Reel format and includes AEC-Q101 automotive qualification with an operating temperature range of -40°C ~ 175°C, making it suitable for automotive applications. STTH8R06G-TR has a maximum operating temperature of 175°C without specified minimum temperature.

Q: Why is BYT79B-600PJ rated for 15 A when the original part is 8 A?

A: BYT79B-600PJ is a higher-current variant of the same device family, rated for 15 A average rectified current. This part can be used as a substitute for the 8 A rated 8ETX06STRL because it meets or exceeds all critical parameters. The higher current rating provides design margin and allows the part to operate at lower junction temperatures under the same load conditions. The 600 V reverse voltage rating and D2PAK package are identical, ensuring mechanical and electrical compatibility.

Q: Are all substitute parts RoHS compliant?

A: VS-8ETX06STRL-M3, VS-8ETX06STRR-M3, STTH8R06G-TR, and STTH8R06GY-TR are all ROHS3 Compliant. The original 8ETX06STRL is RoHS non-compliant. BYT79B-600PJ RoHS status is not specified in the provided data. For applications requiring RoHS compliance, use VS-8ETX06STRL-M3, VS-8ETX06STRR-M3, STTH8R06G-TR, or STTH8R06GY-TR.

Q: Can these parts be used in automotive applications?

A: STTH8R06GY-TR is specifically qualified for automotive applications with AEC-Q101 certification and an operating temperature range of -40°C ~ 175°C. The other substitutes (VS-8ETX06STRL-M3, VS-8ETX06STRR-M3, and STTH8R06G-TR) do not include automotive qualification in the provided specifications. For automotive applications, STTH8R06GY-TR is the recommended choice.

Q: What is the difference in reverse recovery time between the original part and substitutes?

A: The original 8ETX06STRL has a reverse recovery time of 24 ns. VS-8ETX06STRL-M3 and VS-8ETX06STRR-M3 maintain this specification at 24 ns. STTH8R06G-TR and STTH8R06GY-TR have a reverse recovery time of 45 ns. BYT79B-600PJ has a reverse recovery time of 60 ns. All parts remain within the fast recovery classification (≤ 500ns, > 200mA). The longer recovery times in alternative parts do not affect compatibility for general-purpose rectification applications.

Q: Is the TO-263AB D2PAK package identical across all substitute parts?

A: Yes. All substitute parts use the TO-263-3, D2PAK (2 Leads + Tab), TO-263AB package. This ensures identical mechanical compatibility, pinout, and thermal characteristics. All parts are surface mount devices with the same footprint and mounting requirements.

Q: What is the moisture sensitivity level for these parts?

A: All parts, including the original 8ETX06STRL and all substitutes, have a Moisture Sensitivity Level (MSL) of 1 (Unlimited). This indicates the lowest moisture sensitivity classification, meaning these parts do not require special moisture control during storage, handling, or assembly.

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