30KP48A-TP Transient Voltage Suppressor (TVS) Diode - Equivalent & Substitute Parts

Part Overview

The 30KP48A-TP is an active-status, through-hole mounted transient voltage suppressor diode manufactured by Micro Commercial Co. This unidirectional Zener TVS diode is designed for general-purpose overvoltage protection applications with a 48V reverse standoff voltage and 30kW peak pulse power rating. The component is packaged in R-6 axial configuration and supplied on tape and reel. Equivalent and substitute parts are identified based on matching electrical characteristics and mechanical compatibility within the TVS diode category.

Substiute Parts

30KP48A-TP

Micro Commercial CoIn Stock: 89830KP48A-TP Datasheet

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15KPA48A

MDE Semiconductor IncIn Stock: 187015KPA48A Datasheet

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30KPA48A

MDE Semiconductor IncIn Stock: 152130KPA48A Datasheet

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5KP48A

Littelfuse Inc.In Stock: 88785KP48A Datasheet

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5KP48A-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 31355KP48A-E3/54 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 30KP48A-TP are qualified based on the following electrical and mechanical parameters:

Primary Matching Criteria:

• Voltage - Reverse Standoff (Typ): 48V
• Voltage - Breakdown (Min): 53.3V to 53.6V
• Unidirectional Zener type
• Through-hole axial mounting
• Operating temperature range: -55°C ~ 175°C
• General-purpose applications
• ROHS3 compliance

Secondary Considerations:

• Voltage - Clamping (Max) @ Ipp: 77.4V to 81.6V (acceptable range for 48V class TVS diodes)
• Power - Peak Pulse: 5000W to 30000W (power rating determines application suitability)
• Package variants: R-6, P600 axial configurations

Substitutes are grouped by power rating and clamping voltage to enable selection based on specific circuit protection requirements.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Same Power Rating): The 30KPA48A from MDE Semiconductor Inc is the direct electrical equivalent with identical 30kW peak pulse power rating and 81.6V clamping voltage. Both parts maintain active product status and ROHS3 compliance. The primary difference is the package variant (P600 vs. R-6 axial), which requires mechanical verification for PCB footprint compatibility.

Reduced Power Rating Substitutes: The 15KPA48A and 5KP48A series parts are suitable only for applications where lower peak pulse power dissipation is acceptable. These parts maintain the 48V reverse standoff voltage and general-purpose application classification but provide 15kW and 5kW peak pulse power respectively. Selection of reduced-power alternatives requires circuit analysis to confirm transient energy levels remain within the substitute part's power rating.

Compliance and Availability: All substitute parts maintain active product status, ROHS3 compliance, and unlimited moisture sensitivity level (MSL 1). Selection should prioritize parts with confirmed inventory availability and established supply chain status.

Frequently Asked Questions (FAQ)

Q: Can the 30KPA48A directly replace the 30KP48A-TP? A: The 30KPA48A is electrically equivalent with identical voltage and power specifications. Mechanical compatibility depends on PCB footprint design. The 30KP48A-TP uses R-6 axial package while the 30KPA48A uses P600 axial package. Verify footprint dimensions before substitution.

Q: What is the difference between the 30KP48A-TP and 15KPA48A? A: Both parts share the same 48V reverse standoff voltage and 53.6V breakdown voltage. The primary difference is peak pulse power rating: 30kW for the 30KP48A-TP versus 15kW for the 15KPA48A. The 15KPA48A also has a slightly lower clamping voltage (77.7V vs. 81.6V). Selection depends on circuit transient energy requirements.

Q: Are the 5KP48A and 5KP48A-E3/54 interchangeable? A: Both parts are electrically equivalent with 5kW peak pulse power, 48V reverse standoff voltage, and 77.4V clamping voltage. The primary difference is manufacturer: Littelfuse Inc. for 5KP48A and Vishay for 5KP48A-E3/54. Both maintain P600 axial package configuration and ROHS3 compliance. Interchangeability is confirmed for general-purpose applications.

Q: What packaging options are available for 48V TVS diodes in this series? A: The 30KP48A-TP is supplied in R-6 axial package on tape and reel. Substitute parts use P600 axial package in bulk or cut tape configurations. Both R-6 and P600 are through-hole axial packages; verify PCB footprint compatibility before selection.

Q: Can I use a 5kW rated TVS diode in place of a 30kW rated part? A: Substitution with lower power-rated parts is only valid if circuit analysis confirms that transient energy levels remain within the substitute part's power dissipation capability. Using an undersized part for high-energy transients will result in component failure. Consult circuit protection requirements before downrating.

Q: Are all listed substitutes ROHS3 compliant? A: Yes. All parts listed in the parameter comparison table maintain ROHS3 compliance and are suitable for applications requiring RoHS certification.