P4KE75C-E3/73 Equivalent & Substitute Parts

Part Overview

The P4KE75C-E3/73 is a TransZorb® Transient Voltage Suppressor (TVS) diode designed for general-purpose transient protection applications. This through-hole component features a 60.7V reverse standoff voltage and 108V maximum clamping voltage, with a peak pulse current rating of 3.7A. The part is currently classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and component procurement.

Substiute Parts

P4KE75C-E3/73

Vishay General Semiconductor - Diodes DivisionIn Stock: 892P4KE75C-E3/73 Datasheet

Current PartRFQ

P4KE75CA-E3/73

Vishay General Semiconductor - Diodes DivisionIn Stock: 1154P4KE75CA-E3/73 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the P4KE75C-E3/73 is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

• Reverse standoff voltage within the same voltage class (60-65V range)
• Clamping voltage performance compatible with circuit protection requirements (100-110V range)
• Peak pulse current capability meeting or exceeding 3.7A
• Peak pulse power rating of 400W
• Bidirectional channel configuration (1 channel)
• Zener diode type classification

Mechanical Compatibility Criteria:

• Through-hole mounting configuration
• DO-204AL (DO-41) axial package format
• Operating temperature range of -55°C to 175°C

Compliance Requirements:

• ROHS3 compliance
• MSL rating of 1 (Unlimited)

The P4KE75CA-E3/73 meets all substitution criteria within these defined parameters.

Parameter Comparison

Engineering Selection Recommendations

The P4KE75CA-E3/73 is the primary substitute for the obsolete P4KE75C-E3/73. Both components share identical mechanical compatibility, package format, and thermal operating range. The substitute maintains full ROHS3 compliance and MSL rating equivalence.

The P4KE75CA-E3/73 carries active product status, ensuring ongoing availability and manufacturing support. The electrical parameters of the substitute fall within acceptable tolerance bands for general-purpose transient protection applications: the reverse standoff voltage increases by 3.4V, the clamping voltage decreases by 5V, and the peak pulse current increases by 0.2A. These variations remain within the operational envelope of the original design specification.

Frequently Asked Questions (FAQ)

Q: Can the P4KE75CA-E3/73 be used as a direct replacement for the P4KE75C-E3/73?

A: Yes. Both components share identical package format (DO-204AL/DO-41 axial), mounting type (through-hole), operating temperature range (-55°C to 175°C), and compliance certifications (ROHS3, MSL 1). The electrical parameter variations are within acceptable substitution tolerances for general-purpose TVS applications.

Q: What are the key electrical differences between these parts?

A: The P4KE75CA-E3/73 has a higher reverse standoff voltage (64.1V vs. 60.7V), lower maximum clamping voltage (103V vs. 108V), and slightly higher peak pulse current capability (3.9A vs. 3.7A). Both maintain 400W peak pulse power rating.

Q: Are there any compliance or certification differences?

A: No. Both parts are ROHS3 compliant with MSL rating of 1 (Unlimited). Compliance status is equivalent.

Q: Why is the original part listed as obsolete?

A: Product obsolescence is determined by the manufacturer. The P4KE75CA-E3/73 remains in active production status, making it the recommended alternative for new designs and ongoing component procurement.

Q: Does the package format remain identical?

A: Yes. Both components use the DO-204AL (DO-41) axial through-hole package format, ensuring mechanical and electrical compatibility in existing PCB layouts.