SA64A-E3/54 Equivalent & Substitute Parts

Part Overview

The SA64A-E3/54 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This through-hole component operates with a 64V reverse standoff voltage and provides 103V maximum clamping voltage at peak pulse current. The device is designed for general-purpose transient voltage suppression applications and is currently in active production status. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility is required while maintaining electrical and mechanical compatibility.

Substiute Parts

SA64A-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 1711SA64A-E3/54 Datasheet

Current PartRFQ

P6KE75A

Fairchild SemiconductorIn Stock: 3064P6KE75A Datasheet

MFR RecommendedRFQ

SA64A

Taiwan Semiconductor CorporationIn Stock: 3436SA64A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SA64A-E3/54 are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

• Voltage - Reverse Standoff (Typ): 64V ±0.1V tolerance
• Voltage - Clamping (Max) @ Ipp: 103V maximum
• Package / Case: DO-204AC (DO-15) axial through-hole configuration
• Mounting Type: Through Hole
• Type: Zener unidirectional TVS diode
• Unidirectional Channels: 1

Allowable Variation Parameters:

• Current - Peak Pulse (10/1000µs): ≥4.9A
• Power - Peak Pulse: ≥500W
• Operating Temperature Range: Must encompass or match -55°C to 175°C
• Voltage - Breakdown (Min): 71.1V ±0.2V tolerance

Substitute parts must maintain identical or superior electrical performance within the specified parameter ranges while preserving mechanical compatibility with existing PCB designs and assembly processes.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active product status and are suitable for direct substitution in applications requiring 64V reverse standoff TVS diode protection with 103V clamping voltage.

SA64A-E3/54 (Vishay General Semiconductor): Primary reference part with established supply chain. Supports operating temperature range of -55°C to 175°C. RoHS3 compliant and REACH unaffected. Moisture sensitivity level MSL 1 (unlimited).

P6KE75A (Fairchild Semiconductor): Substitute with enhanced current handling capability (6.1A peak pulse vs. 4.9A) and increased power dissipation (600W vs. 500W). Operating temperature range -50°C to 175°C. Suitable for applications requiring higher transient current capacity. Identical clamping voltage and reverse standoff specifications.

SA64A (Taiwan Semiconductor Corporation): Direct substitute with matched electrical specifications. Peak pulse current 5A and 500W power dissipation. Operating temperature range -55°C to 175°C. RoHS3 compliant and REACH unaffected. Moisture sensitivity level MSL 1 (unlimited). Identical to primary part except manufacturer origin.

All substitute parts share identical package configuration (DO-204AC/DO-15 axial through-hole), mounting type, and compliance certifications (ECCN EAR99, HTSUS 8541.10.0080).

Frequently Asked Questions (FAQ)

Q: Can P6KE75A replace SA64A-E3/54 in all applications?

A: Yes. P6KE75A meets or exceeds all critical electrical parameters. The higher peak pulse current (6.1A vs. 4.9A) and power dissipation (600W vs. 500W) provide additional margin. Package and mounting type are identical. The -50°C lower temperature limit (vs. -55°C) may be a constraint only in extreme cold environments.

Q: What is the difference between SA64A-E3/54 and SA64A?

A: Both parts are identical in electrical specifications and package configuration. The primary difference is manufacturer: SA64A-E3/54 is manufactured by Vishay General Semiconductor, while SA64A is manufactured by Taiwan Semiconductor Corporation. Both are RoHS3 compliant with MSL 1 moisture sensitivity.

Q: Are all three parts pin-compatible?

A: Yes. All three parts use the DO-204AC (DO-15) axial through-hole package with identical pin configuration and spacing. Direct PCB substitution is possible without layout modifications.

Q: Which substitute part should be selected for high-transient-current applications?

A: P6KE75A is recommended for applications requiring maximum transient current handling, as it provides 6.1A peak pulse current compared to 4.9A for the primary part and 5A for the Taiwan Semiconductor alternative.

Q: Do all substitute parts meet the same compliance standards?

A: SA64A-E3/54 and SA64A both carry RoHS3 compliance and REACH unaffected status. P6KE75A compliance documentation was not provided in the input parameters. Verify P6KE75A compliance requirements with the supplier for regulated applications.

Q: What is the operating temperature constraint for P6KE75A?

A: P6KE75A operates from -50°C to 175°C, compared to -55°C to 175°C for both Vishay and Taiwan Semiconductor parts. Applications requiring operation below -50°C must use SA64A-E3/54 or SA64A.