5KP54A-G Transient Voltage Suppressor (TVS) Diode - Equivalent & Substitute Parts

Part Overview

The 5KP54A-G is an active Transient Voltage Suppressor (TVS) diode manufactured by Comchip Technology, designed for general-purpose transient voltage protection applications. This unidirectional Zener-type TVS diode operates with a 54V reverse standoff voltage and provides 5000W peak pulse power dissipation capability. The component is ROHS3 compliant and maintains unlimited moisture sensitivity rating (MSL 1), making it suitable for standard industrial and commercial electronic protection circuits. Equivalent and substitute parts are identified based on matching electrical performance parameters and mechanical compatibility within the TVS diode category.

Substiute Parts

5KP54A-G

Comchip TechnologyIn Stock: 9055KP54A-G Datasheet

Current PartRFQ

30KPA54A

MDE Semiconductor IncIn Stock: 287430KPA54A Datasheet

MFR RecommendedRFQ

5KP54A

Littelfuse Inc.In Stock: 18515KP54A Datasheet

MFR RecommendedRFQ

5KP54A-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 279195KP54A-E3/54 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 5KP54A-G are qualified based on the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Voltage - Reverse Standoff (Typ): 54V
• Voltage - Breakdown (Min): 60V minimum
• Voltage - Clamping (Max) @ Ipp: 87.1V (±tolerance acceptable)
• Current - Peak Pulse (10/1000µs): ≥57.41A
• Power - Peak Pulse: ≥5000W
• Type: Zener, Unidirectional
• Mounting Type: Through Hole
• RoHS Status: ROHS3 Compliant

Secondary Compatibility Parameters:

• Operating Temperature Range: -55°C minimum to 150°C minimum
• Moisture Sensitivity Level: MSL 1 (Unlimited)
• Applications: General Purpose

The three identified substitute parts (30KPA54A, 5KP54A, and 5KP54A-E3/54) meet or exceed the primary electrical specifications while maintaining through-hole axial mounting compatibility and regulatory compliance. Package variations (R-6 vs. P600) are noted as mechanical differences that do not affect electrical substitution eligibility.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts maintain active product status and ROHS3 compliance, ensuring regulatory alignment with the original 5KP54A-G component.

5KP54A (Littelfuse Inc.): Provides electrical equivalence with matched clamping voltage (87.1V) and peak pulse current (58.6A) specifications. Operating temperature range extends to 175°C, exceeding the main part's 150°C maximum. Package transition from R-6 to P600 axial requires PCB layout verification. Cut Tape packaging offers standard handling compatibility.

5KP54A-E3/54 (Vishay General Semiconductor - TransZorb® Series): Delivers electrical equivalence with identical clamping voltage (87.1V) and comparable peak pulse current (57.4A). Operating temperature extends to 175°C. P600 axial package maintains through-hole mounting compatibility. Highest inventory availability (27,900 pcs) supports supply chain continuity. Cut Tape packaging standard.

30KPA54A (MDE Semiconductor Inc): Exceeds electrical specifications with higher peak pulse current (331.5A) and power dissipation (30kW), providing enhanced transient protection margin. Clamping voltage increases to 91.4V, remaining within acceptable tolerance for 54V standoff applications. Operating temperature range extends to 175°C. P600 package requires mechanical verification. Bulk packaging may require reel management. This part functions as an over-specification substitute suitable for applications requiring enhanced surge protection capacity.

Frequently Asked Questions (FAQ)

Q: Can the 30KPA54A replace the 5KP54A-G in all applications?

A: The 30KPA54A meets all primary electrical substitution criteria with enhanced specifications (331.5A peak pulse current vs. 57.41A, 30kW vs. 5kW power dissipation). However, the higher clamping voltage (91.4V vs. 87.1V) and increased current handling may alter circuit behavior in sensitive applications. Electrical schematic review is necessary to confirm compatibility with downstream components.

Q: What is the difference between R-6 and P600 packages?

A: Both are axial through-hole packages for TVS diodes. R-6 (main part) and P600 (substitute parts) differ in physical dimensions and lead spacing. PCB footprint modification is required when transitioning between packages. Electrical performance remains equivalent.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. The 5KP54A-G and all three substitute parts (30KPA54A, 5KP54A, 5KP54A-E3/54) carry ROHS3 compliance certification, meeting regulatory requirements for restricted substance elimination.

Q: Which substitute part offers the best inventory availability?

A: The 5KP54A-E3/54 (Vishay) provides the highest stock level at 27,900 pcs, followed by 30KPA54A (2,772 pcs) and 5KP54A (1,772 pcs). The main part 5KP54A-G maintains 817 pcs in stock.

Q: Do all substitute parts support the same operating temperature range?

A: The main part 5KP54A-G operates from -55°C to 150°C. All three substitute parts extend the upper limit to 175°C, providing enhanced thermal performance. The lower temperature limit remains -55°C across all parts.

Q: What is the significance of the 10/1000µs pulse specification?

A: This defines the peak pulse current rating under a specific transient waveform: 10µs rise time and 1000µs pulse width. All substitute parts are rated under this identical standard, ensuring direct electrical comparison.

Q: Can packaging differences affect circuit performance?

A: Packaging differences (R-6 vs. P600) are mechanical only and do not affect electrical performance. However, PCB layout, lead spacing, and thermal dissipation characteristics may differ. Physical verification of the PCB footprint is required before substitution.