VS-8TQ080STRLPBF Equivalent & Substitute Parts

Part Overview

The VS-8TQ080STRLPBF is a Schottky diode rated for 80 V DC reverse voltage and 8 A average rectified current in a surface mount TO-263AB (D2PAK) package. This component is classified as discontinued at DiGi Electronics, necessitating identification of equivalent substitute parts for ongoing design requirements and procurement needs. The part maintains ROHS3 compliance and unlimited moisture sensitivity rating, making it suitable for industrial and commercial applications.

Key Parameters

Parameter	Value
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	80 V
Current - Average Rectified (Io)	8 A
Voltage - Forward (Vf) (Max) @ If	720 mV @ 8 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	550 µA @ 80 V
Capacitance @ Vr, F	500pF @ 5V, 1MHz
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Operating Temperature - Junction	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the VS-8TQ080STRLPBF is determined by electrical and mechanical parameter equivalence across the Schottky diode category. All substitute parts maintain identical specifications for voltage rating (80 V), current capacity (8 A), forward voltage drop (720 mV @ 8 A), reverse leakage current (550 µA @ 80 V), junction capacitance (500pF @ 5V, 1MHz), and thermal operating range (-55°C ~ 175°C). All candidates utilize the same TO-263AB package footprint and mounting technology (surface mount). Substitution differences are limited to packaging format (Tape & Reel versus Tube) and product status (Active versus Discontinued). The VS-8TQ080SHM3 includes automotive-grade qualification (AEC-Q101), which represents an enhanced specification variant rather than a functional limitation.

Parameter Comparison

Parameter	VS-8TQ080STRLPBF	VS-8TQ080STRL-M3	VS-8TQ080SHM3	VS-8TQ080STRR-M3
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Technology	Schottky	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	80 V	80 V	80 V	80 V
Current - Average Rectified (Io)	8 A	8 A	8 A	8 A
Voltage - Forward (Vf) (Max) @ If	720 mV @ 8 A	720 mV @ 8 A	720 mV @ 8 A	720 mV @ 8 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	550 µA @ 80 V	550 µA @ 80 V	550 µA @ 80 V	550 µA @ 80 V
Capacitance @ Vr, F	500pF @ 5V, 1MHz	500pF @ 5V, 1MHz	500pF @ 5V, 1MHz	500pF @ 5V, 1MHz
Package / Case	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB	TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Operating Temperature - Junction	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics	Active	Active	Active
Packaging Format	Bulk	Tape & Reel (TR)	Tube	Tape & Reel (TR)

Engineering Selection Recommendations

The VS-8TQ080STRL-M3 and VS-8TQ080STRR-M3 are direct functional equivalents with identical electrical specifications and active product status. Both are supplied in Tape & Reel format, suitable for automated assembly processes. The VS-8TQ080SHM3 is a parametric equivalent with automotive-grade qualification (AEC-Q101) and is supplied in Tube packaging. Selection between these three active alternatives depends on procurement requirements and assembly methodology. All three substitute parts maintain full electrical and thermal equivalence to the discontinued VS-8TQ080STRLPBF and satisfy ROHS3 compliance requirements.

Frequently Asked Questions (FAQ)

Q: Can VS-8TQ080STRL-M3 directly replace VS-8TQ080STRLPBF in existing designs?

A: Yes. Both parts share identical electrical specifications (80 V, 8 A, 720 mV forward voltage, 550 µA reverse leakage) and the same TO-263AB package footprint. The primary difference is packaging format (Tape & Reel versus Bulk) and product status (Active versus Discontinued).

Q: What is the difference between VS-8TQ080STRL-M3 and VS-8TQ080STRR-M3?

A: Both parts are electrically and mechanically identical with matching specifications and Tape & Reel packaging. No functional difference exists between these two part numbers for circuit design purposes.

Q: Why does VS-8TQ080SHM3 include AEC-Q101 qualification?

A: The VS-8TQ080SHM3 is qualified to automotive standards (AEC-Q101), indicating enhanced reliability testing and suitability for automotive applications. This represents an upgraded specification variant of the base 8TQ080 diode series.

Q: Are all substitute parts compatible with the original TO-263AB footprint?

A: Yes. All substitute parts utilize the TO-263-3, D2PAK (2 Leads + Tab), TO-263AB package specification, ensuring mechanical and electrical compatibility with existing PCB layouts designed for VS-8TQ080STRLPBF.

Q: What packaging format should be selected for high-volume production?

A: Tape & Reel format (VS-8TQ080STRL-M3 or VS-8TQ080STRR-M3) is standard for automated assembly processes. Tube format (VS-8TQ080SHM3) is suitable for lower-volume or manual assembly applications.

Q: Do all substitute parts meet ROHS3 compliance?

A: Yes. All three substitute parts (VS-8TQ080STRL-M3, VS-8TQ080SHM3, and VS-8TQ080STRR-M3) are ROHS3 compliant with MSL rating of 1 (Unlimited).

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