HER207-AP General Purpose Rectifier Diode Equivalent & Substitute Parts

Part Overview

The HER207-AP is a general purpose rectifier diode manufactured by Micro Commercial Co, rated for 800 V DC reverse voltage and 2 A average rectified current in a DO-15 through-hole axial package. This component is classified as obsolete, making identification of active equivalent and substitute parts essential for ongoing design support and procurement continuity. The HER207-AP belongs to the HER207 base product family and maintains fast recovery characteristics suitable for standard rectification applications.

Substiute Parts

HER207-AP

Micro Commercial CoIn Stock: 724HER207-AP Datasheet

Current PartRFQ

HER207G A0G

Taiwan Semiconductor CorporationIn Stock: 1057HER207G A0G Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HER207-AP is determined by strict equivalence across the following critical parameters:

Voltage Rating: 800 V DC reverse voltage (Vr) is the primary electrical constraint. Substitute parts must meet or exceed this specification.

Current Rating: 2 A average rectified current (Io) defines the thermal and conduction capability requirement. Substitute parts must support this current level.

Forward Voltage Drop: 1.7 V @ 2 A establishes the conduction loss characteristic. Substitute parts must not exceed this specification under the stated conditions.

Reverse Recovery Time: 75 ns classifies this as a fast recovery diode. Substitute parts must maintain this speed classification to preserve circuit performance in switching applications.

Reverse Leakage Current: 5 µA @ 800 V defines the blocking characteristic. Substitute parts must not exceed this leakage specification.

Package Compatibility: DO-204AC and DO-15 axial through-hole packages are mechanically and electrically equivalent designations for the same physical form factor. Substitute parts must use compatible through-hole axial packaging.

Temperature Range: -55°C to 150°C junction operating temperature establishes the thermal operating envelope.

Compliance: ROHS3 compliance and MSL 1 rating are required for regulatory and manufacturing process compatibility.

The HER207G A0G from Taiwan Semiconductor Corporation qualifies as a parametric equivalent based on matching all critical electrical specifications and package requirements while maintaining active product status.

Parameter Comparison

Engineering Selection Recommendations

The HER207G A0G from Taiwan Semiconductor Corporation is a direct parametric equivalent to the obsolete HER207-AP. Both components share identical electrical specifications across all critical parameters: 800 V reverse voltage rating, 2 A average rectified current, 1.7 V forward voltage drop at 2 A, 75 ns reverse recovery time, and 5 µA reverse leakage current at rated voltage.

The primary distinction between these parts is product status: the HER207-AP is obsolete while the HER207G A0G maintains active status, ensuring ongoing availability and manufacturing support. Both components are ROHS3 compliant and carry MSL 1 moisture sensitivity rating, confirming compatibility with standard manufacturing and storage processes.

The HER207G A0G exhibits slightly lower junction capacitance (20 pF versus 30 pF at 4 V, 1 MHz), which represents a minor improvement in high-frequency switching performance without affecting the core rectification function.

Both components utilize identical DO-204AC/DO-15 axial through-hole packaging, ensuring direct mechanical and electrical interchangeability in existing circuit board layouts and assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the HER207G A0G directly replace the HER207-AP in existing designs?

A: Yes. The HER207G A0G is a parametric equivalent with identical electrical specifications and compatible through-hole axial packaging. No circuit modifications are required for substitution.

Q: What is the significance of the obsolete status of the HER207-AP?

A: Obsolete status indicates that the HER207-AP is no longer manufactured or supported by Micro Commercial Co. The HER207G A0G, with active product status, provides a supported alternative for new procurement and ongoing production requirements.

Q: Are the DO-204AC and DO-15 package designations interchangeable?

A: Yes. DO-204AC and DO-15 are equivalent designations for the same axial through-hole package form factor. Both the HER207-AP and HER207G A0G use this package type and are mechanically and electrically compatible.

Q: What does the 75 ns reverse recovery time indicate?

A: The 75 ns reverse recovery time classifies both diodes as fast recovery devices. This specification defines the time required for the diode to transition from forward conduction to reverse blocking state, which is critical for switching applications and determines switching losses.

Q: Are there compliance differences between the HER207-AP and HER207G A0G?

A: No. Both components are ROHS3 compliant and carry MSL 1 moisture sensitivity rating. The HER207G A0G additionally carries REACH Unaffected status, confirming full regulatory alignment with current environmental and safety standards.

Q: What is the significance of the capacitance difference between these parts?

A: The HER207G A0G exhibits 20 pF junction capacitance compared to 30 pF for the HER207-AP at 4 V and 1 MHz. This lower capacitance provides improved performance in high-frequency switching applications while maintaining all other electrical specifications.

Q: Can the HER207G A0G be used in applications requiring the exact 30 pF capacitance specification?

A: The lower capacitance of the HER207G A0G (20 pF) is a performance improvement that does not compromise functionality. Applications designed for the HER207-AP will operate correctly with the HER207G A0G. If specific capacitance matching is required for circuit tuning, this parameter should be evaluated within the complete circuit context.