P4KE440A-TP Equivalent & Substitute Parts

Part Overview

The P4KE440A-TP is a transient voltage suppressor (TVS) diode manufactured by Micro Commercial Co, designed for general-purpose overvoltage protection applications. This unidirectional zener diode operates with a reverse standoff voltage of 376V and provides clamping at 602V maximum, making it suitable for protecting sensitive electronic circuits from transient voltage spikes. The component is packaged in DO-41 through-hole configuration and maintains active product status with full RoHS3 compliance. Equivalent and substitute parts are identified based on matching electrical performance parameters and compatible packaging specifications.

Substiute Parts

P4KE440A-TP

Micro Commercial CoIn Stock: 854P4KE440A-TP Datasheet

Current PartRFQ

P4KE440A

Taiwan Semiconductor CorporationIn Stock: 300467P4KE440A Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of TVS diodes is determined by electrical parameter compatibility within defined tolerances and mechanical package compatibility. The P4KE440A-TP can be substituted with equivalent parts that maintain the following critical parameters:

• Reverse standoff voltage: 376V (identical)
• Breakdown voltage minimum: 418V (identical)
• Clamping voltage maximum: within 2V tolerance (602V ±2V acceptable)
• Peak pulse current: within 10mA tolerance (680mA ±10mA acceptable)
• Peak pulse power: 400W (identical)
• Operating temperature range: -55°C to 175°C (identical)
• Package configuration: DO-41 or DO-204AL (mechanically compatible through-hole axial packages)
• Unidirectional channels: 1 (identical)

The P4KE440A manufactured by Taiwan Semiconductor Corporation meets all substitution criteria and is classified as a direct equivalent.

Parameter Comparison

Engineering Selection Recommendations

The P4KE440A manufactured by Taiwan Semiconductor Corporation is a direct equivalent to the P4KE440A-TP. Both components maintain active product status and full compliance with RoHS3 and REACH regulations. Selection between these parts should be based on availability, lead time, and supply chain requirements, as electrical performance and environmental compliance are equivalent. The Taiwan Semiconductor Corporation variant demonstrates significantly higher inventory availability (300,400 pcs versus 751 pcs), which may influence procurement decisions for high-volume applications.

Frequently Asked Questions (FAQ)

Q: Can the P4KE440A from Taiwan Semiconductor Corporation be used as a direct replacement for the P4KE440A-TP from Micro Commercial Co?

A: Yes. Both components share identical reverse standoff voltage (376V), breakdown voltage (418V minimum), peak pulse power (400W), operating temperature range (-55°C to 175°C), and package configuration (DO-41/DO-204AL through-hole axial). The clamping voltage differs by 2V (602V vs. 600V) and peak pulse current by 10mA (680mA vs. 690mA), both within acceptable engineering tolerances for TVS diode substitution.

Q: Are there any package compatibility concerns when substituting these parts?

A: No. Both the P4KE440A-TP and P4KE440A are specified for DO-41 and DO-204AL packages, which are mechanically and electrically compatible through-hole axial configurations. Direct board-level substitution is possible without layout modifications.

Q: What compliance certifications apply to both parts?

A: Both components are RoHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8541.10.0080. Moisture sensitivity level is 1 (unlimited) for both parts, indicating no special moisture handling requirements.

Q: How do the electrical specifications compare for circuit protection applications?

A: The electrical specifications are functionally equivalent for general-purpose transient voltage suppression. The 376V reverse standoff voltage and 418V minimum breakdown voltage establish the protection threshold, while the 602V/600V clamping voltage and 680mA/690mA peak pulse current define the suppression response. These minor variations fall within standard TVS diode manufacturing tolerances and do not affect circuit protection performance.