SA5.0A-E3/73 Equivalent & Substitute Parts

Part Overview

The SA5.0A-E3/73 is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. This through-hole component operates with a 5V reverse standoff voltage and provides 9.2V maximum clamping voltage at peak pulse current. The device is classified as Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical characteristics and mechanical compatibility to support procurement flexibility and supply chain continuity.

Substiute Parts

SA5.0A-E3/73

Vishay General Semiconductor - Diodes DivisionIn Stock: 32412SA5.0A-E3/73 Datasheet

Current PartRFQ

5KP5.0A

Littelfuse Inc.In Stock: 14525KP5.0A Datasheet

MFR RecommendedRFQ

SA5.0A

Taiwan Semiconductor CorporationIn Stock: 300189SA5.0A Datasheet

MFR RecommendedRFQ

SA5.0A-B

Littelfuse Inc.In Stock: 4239SA5.0A-B Datasheet

MFR RecommendedRFQ

SA5.0A-TP

Micro Commercial CoIn Stock: 7340SA5.0A-TP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SA5.0A-E3/73 are qualified based on the following electrical and mechanical parameters:

• Voltage - Reverse Standoff: 5V (exact match required)
• Voltage - Clamping (Max) @ Ipp: 9.2V (exact match required)
• Voltage - Breakdown (Min): 6.4V (exact match required)
• Unidirectional Channels: 1 (exact match required)
• Type: Zener (exact match required)
• Mounting Type: Through Hole (exact match required)
• Operating Temperature Range: -55°C ~ 175°C (compatible range)
• Package / Case: DO-204AC, DO-15, or Axial (compatible packages)

Peak pulse current and power dissipation may vary within acceptable ranges for the application category. All substitute parts maintain ROHS3 compliance and Active product status.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed maintain identical voltage specifications (5V reverse standoff, 6.4V breakdown minimum, 9.2V clamping maximum) and are classified as Active products with ROHS3 compliance. Selection among these parts should be based on:

• Package compatibility with PCB layout requirements (DO-204AC, DO-15, or P600)
• Procurement availability and lead time
• Packaging format preference (Cut Tape, Bulk, or standard packaging)
• Peak pulse current and power dissipation requirements for the specific application circuit

The 5KP5.0A from Littelfuse offers significantly higher peak pulse current (554.3A) and power dissipation (5kW) compared to the primary part and other substitutes, making it suitable for applications requiring enhanced transient protection capability within the same voltage class.

Frequently Asked Questions (FAQ)

Q: Can SA5.0A-E3/73 be directly replaced with 5KP5.0A?

A: Yes, from an electrical standpoint. Both devices share identical voltage parameters (5V standoff, 6.4V breakdown, 9.2V clamping). However, the 5KP5.0A uses P600 package while SA5.0A-E3/73 uses DO-204AC. PCB layout and footprint compatibility must be verified before substitution.

Q: What is the difference between SA5.0A-B and SA5.0A-TP?

A: Both parts are electrically identical with matching voltage and current specifications. The primary difference is packaging format: SA5.0A-B is supplied in Bulk, while SA5.0A-TP is supplied in Cut Tape (CT). Package / Case designation also differs slightly (SA5.0A-B specifies DO-204AC while SA5.0A-TP specifies DO-15).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts, including SA5.0A-E3/73, SA5.0A, SA5.0A-B, SA5.0A-TP, and 5KP5.0A, are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited).

Q: Why does 5KP5.0A have higher peak pulse current than other substitutes?

A: The 5KP5.0A is designed for higher transient energy absorption with 554.3A peak pulse current and 5kW power dissipation, compared to 54.3A and 500W for SA5.0A-E3/73. This makes 5KP5.0A suitable for power line protection applications requiring enhanced surge handling, while maintaining the same voltage regulation characteristics.

Q: Can package type affect circuit performance?

A: Package type (DO-204AC, DO-15, P600) does not affect electrical performance but impacts PCB layout, thermal management, and mechanical mounting. Verify footprint compatibility with your PCB design before selecting a substitute part with a different package designation.