Equivalent & Substitute Parts for VS-6TQ035PBF

Part Overview

The Vishay VS-6TQ035PBF is a Schottky diode rectifier in the Diodes, Rectifiers category, with a maximum DC reverse voltage of 35 V, average rectified current of 6A, and fast recovery characteristics, housed in a TO-220AC package for through-hole mounting. This component is discontinued at Digi-Key while maintaining ROHS3 compliance and REACH unaffected status. Due to its discontinued part status, it is necessary to identify functional equivalent or substitute models strictly within matching electrical and mechanical parameters to ensure seamless design and supply continuity.

Key Parameters

Parameter	Value
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	35 V
Current - Average Rectified (Io)	6A
Voltage - Forward (Vf) (Max) @ If	600 mV @ 6 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	800 µA @ 35 V
Mounting Type	Through Hole
Package / Case	TO-220-2
Supplier Device Package	TO-220AC
Operating Temperature - Junction	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant
REACH Status	REACH Unaffected
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution is based strictly on matching or exceeding the main part’s electrical characteristics (technology, maximum reverse voltage, rectified current, forward voltage drop, reverse leakage current, and recovery speed), physical package type (TO-220AC, through-hole), regulatory compliance (RoHS and REACH status), and junction temperature operating range. Only substitutes with no deviation from these defined parameters are included in groupings.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Technology	Vr (Max)	Io	Vf (Max) @ If	Speed	Irr @ Vr	Mounting Type	Package / Case	Supplier Device Package	Operating Temp - Junction	RoHS	REACH	MSL	Status
VS-6TQ035PBF	Vishay	Schottky	35 V	6A	600 mV @ 6A	Fast Recovery < 500ns	800 µA @ 35V	Through Hole	TO-220-2	TO-220AC	-55°C ~ 175°C	ROHS3	Unaffected	1	Discontinued
VS-6TQ035-M3	Vishay	Schottky	35 V	6A	730 mV @ 12A	Fast Recovery < 500ns	800 µA @ 35V	Through Hole	TO-220-2	TO-220AC	-55°C ~ 175°C	ROHS3	Unaffected	1	Active
STPS745D	STMicroelectronics	Schottky	45 V	7.5A	840 mV @ 15A	Fast Recovery < 500ns	100 µA @ 45V	Through Hole	TO-220-2	TO-220AC	175°C (Max)	ROHS3	Unaffected	1	Active

Engineering Selection Recommendations

Engineering selection among these substitute Schottky diodes—VS-6TQ035-M3 and STPS745D—must consider only the provided product status, compliance (RoHS3 and REACH), and certifications. Both substitutes are active and current in inventory, support unlimited moisture sensitivity level (MSL 1), and are compliant to ROHS3 and REACH standards. As the main part VS-6TQ035PBF is discontinued, either substitute may be selected to fulfill design and replacement requirements within the Diodes, Rectifiers category.

Frequently Asked Questions (FAQ)

Q: What are the essential criteria or parameters for substituting VS-6TQ035PBF?
A: Suitable substitutes must match the Schottky technology, equal or greater voltage and current ratings, TO-220AC through-hole package, fast recovery speed, and regulatory compliance (ROHS3, REACH, MSL 1).

Q: Are the VS-6TQ035-M3 and STPS745D compatible replacements in terms of mechanical fit and mounting type?
A: Yes, both VS-6TQ035-M3 and STPS745D use the TO-220AC, through-hole package, matching the mechanical and mounting requirements of VS-6TQ035PBF.

Q: Are there differences in operating temperature ranges among the available substitutes?
A: All compared models support junction operating temperatures up to 175°C.

Q: Is certification status relevant when selecting a substitute part?
A: Yes, all provided substitutes share ROHS3 compliance, REACH unaffected status, and MSL 1 rating.

Q: Can newer substitutes offer improved electrical parameters?
A: Substitution is determined only by matching or exceeding the listed electrical and mechanical parameters without consideration of other potential improvements.

Q: Does package / case compatibility include variation in supplier device designation?
A: All listed substitutes use the identical TO-220AC designation, confirming package compatibility.

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