SA6.5C-E3/73 Equivalent & Substitute Parts

Part Overview

The SA6.5C-E3/73 is a Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division, part of the TransZorb® series. This component is designed for general-purpose transient voltage suppression applications with a 6.5V reverse standoff voltage and 12.3V maximum clamping voltage. The part is currently classified as obsolete, making identification of suitable substitute components essential for ongoing system support and new design implementations.

Substiute Parts

SA6.5C-E3/73

Vishay General Semiconductor - Diodes DivisionIn Stock: 1082SA6.5C-E3/73 Datasheet

Current PartRFQ

SA6.5CA-E3/73

Vishay General Semiconductor - Diodes DivisionIn Stock: 32404SA6.5CA-E3/73 Datasheet

DirectRFQ

SA6.5CA

onsemiIn Stock: 300318SA6.5CA Datasheet

MFR RecommendedRFQ

SA6.5CA-TP

Micro Commercial CoIn Stock: 3882SA6.5CA-TP Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SA6.5C-E3/73 are qualified based on the following critical parameters:

• Voltage - Reverse Standoff: 6.5V (identical)
• Voltage - Breakdown (Min): 7.22V (identical)
• Package / Case: DO-204AC, DO-15, Axial (identical)
• Mounting Type: Through Hole (identical)
• Operating Temperature Range: -55°C to 175°C (compatible)
• Power - Peak Pulse: 500W (identical)
• Type: Zener, Bidirectional (identical)

Substitute parts may vary in clamping voltage and peak pulse current within acceptable ranges for the application, provided the reverse standoff voltage, breakdown voltage, package type, and thermal operating range remain consistent.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts maintain electrical and mechanical compatibility with the SA6.5C-E3/73 across the critical parameters that define TVS diode functionality: reverse standoff voltage, breakdown voltage, package type, and thermal operating range.

SA6.5CA-E3/73 (Vishay General Semiconductor - Diodes Division) is the direct manufacturer equivalent from Vishay, maintaining the same product line designation and offering active product status with ROHS3 compliance.

SA6.5CA (onsemi) provides an alternative from a major semiconductor manufacturer with active product status and higher inventory availability. This part maintains all critical electrical parameters and thermal specifications.

SA6.5CA-TP (Micro Commercial Co) is available in Cut Tape packaging and maintains all critical electrical and thermal parameters with ROHS3 compliance and active product status.

Frequently Asked Questions (FAQ)

Q: Can SA6.5CA-E3/73 be used as a direct replacement for SA6.5C-E3/73?

A: Yes. Both parts share identical reverse standoff voltage (6.5V), breakdown voltage (7.22V), package type (DO-204AC/DO-15), mounting configuration (through hole), and thermal operating range (-55°C to 175°C). The clamping voltage is lower (11.2V vs 12.3V) and peak pulse current is higher (44.7A vs 40.7A), which represents improved performance characteristics within the same functional class.

Q: What is the difference between SA6.5CA and SA6.5CA-TP?

A: Both parts are electrically identical with matching reverse standoff voltage, breakdown voltage, clamping voltage, peak pulse current, power rating, and thermal range. The primary difference is packaging: SA6.5CA is supplied in bulk packaging by onsemi, while SA6.5CA-TP is supplied in cut tape packaging by Micro Commercial Co. Both use the DO-204AC (DO-15) axial package for through-hole mounting.

Q: Are there any compliance differences between the substitute parts?

A: SA6.5CA-E3/73 and SA6.5CA-TP both carry ROHS3 compliance certification. SA6.5CA (onsemi) does not specify RoHS status in the provided data. All three parts are classified as REACH Unaffected and carry EAR99 ECCN designation.

Q: Can these parts be used interchangeably in PCB designs?

A: Yes. All substitute parts use identical through-hole axial package configuration (DO-204AC/DO-15), allowing direct mechanical and electrical substitution on existing PCB layouts without design modification.

Q: Why does the SA6.5C-E3/73 show as obsolete?

A: The SA6.5C-E3/73 is classified as obsolete by Vishay. The substitute parts SA6.5CA-E3/73, SA6.5CA, and SA6.5CA-TP are all active products that provide equivalent or improved electrical performance for the same application requirements.