VS-80APF04PBF Equivalent & Substitute Parts

Part Overview

The VS-80APF04PBF is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 400 V DC reverse voltage and 80 A average rectified current in a through-hole TO-247AC package. This component is classified as obsolete, making identification of active equivalent parts essential for ongoing production and maintenance applications. Substitute parts must maintain identical electrical performance and mechanical compatibility to ensure direct replacement without circuit redesign.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	400	V
Current - Average Rectified (Io)	80	A
Voltage - Forward (Vf) (Max) @ If	1.25 @ 80 A	V
Reverse Recovery Time (trr)	190	ns
Current - Reverse Leakage @ Vr	100 @ 400 V	µA
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Package / Case	TO-247-3	—
Mounting Type	Through Hole	—
Operating Temperature - Junction	-40 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the VS-80APF04PBF is determined by strict equivalence across the following critical parameters:

Voltage Rating: 400 V DC reverse voltage (Vr) maximum
Current Rating: 80 A average rectified current (Io)
Forward Voltage Drop: 1.25 V maximum at 80 A forward current
Recovery Characteristics: Fast recovery with 190 ns reverse recovery time (trr)
Reverse Leakage: 100 µA maximum at 400 V
Package Compatibility: TO-247-3 through-hole configuration
Thermal Range: -40°C to 150°C junction operating temperature
Regulatory Compliance: ROHS3 compliant

The substitute part VS-80APF04-M3 maintains identical electrical specifications and mechanical form factor, with the primary distinction being product status (active versus obsolete) and packaging format (tube versus unspecified for the original part).

Parameter Comparison

Parameter	VS-80APF04PBF	VS-80APF04-M3	Match
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	✓
Current - Average Rectified (Io)	80 A	80 A	✓
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 80 A	1.25 V @ 80 A	✓
Reverse Recovery Time (trr)	190 ns	190 ns	✓
Current - Reverse Leakage @ Vr	100 µA @ 400 V	100 µA @ 400 V	✓
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	✓
Package / Case	TO-247-3	TO-247-3	✓
Mounting Type	Through Hole	Through Hole	✓
Operating Temperature - Junction	-40°C ~ 150°C	-40°C ~ 150°C	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓
REACH Status	REACH Unaffected	REACH Unaffected	✓
Product Status	Obsolete	Active	—

Engineering Selection Recommendations

The VS-80APF04-M3 is the direct equivalent substitute for the obsolete VS-80APF04PBF. Both components are manufactured by Vishay General Semiconductor - Diodes Division and share identical electrical and mechanical specifications. The VS-80APF04-M3 maintains active product status, ensuring continued availability and supply chain reliability. Both parts comply with ROHS3 and REACH regulatory requirements, supporting environmental and compliance mandates. The tube packaging format of the VS-80APF04-M3 provides standard handling and storage compatibility with automated assembly processes. Selection of the VS-80APF04-M3 eliminates obsolescence risk while preserving circuit performance and thermal characteristics across the full operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can the VS-80APF04-M3 be used as a direct replacement for the VS-80APF04PBF?

A: Yes. The VS-80APF04-M3 is electrically and mechanically identical to the VS-80APF04PBF across all specified parameters, including voltage rating, current capacity, forward voltage drop, recovery time, and package configuration. No circuit modifications are required.

Q: What is the primary reason to transition from VS-80APF04PBF to VS-80APF04-M3?

A: The VS-80APF04PBF is classified as obsolete, while the VS-80APF04-M3 maintains active product status. This transition ensures long-term supply availability and eliminates procurement risk.

Q: Are there any differences in thermal performance between these parts?

A: No. Both components operate across the identical junction temperature range of -40°C to 150°C and share the same reverse recovery time of 190 ns, ensuring equivalent thermal behavior in circuit applications.

Q: Does the packaging format difference (tube for VS-80APF04-M3) affect electrical performance?

A: No. Packaging format affects only handling, storage, and assembly logistics. Electrical and mechanical specifications remain unchanged. The tube packaging is compatible with standard automated assembly equipment.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both the VS-80APF04PBF and VS-80APF04-M3 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What are the critical parameters that define substitution eligibility for this diode?

A: Substitution eligibility is determined by matching voltage rating (400 V), current rating (80 A), forward voltage drop (1.25 V @ 80 A), reverse recovery time (190 ns), reverse leakage current (100 µA @ 400 V), and TO-247-3 package configuration. All parameters must align exactly.

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