SAC7.0-B Equivalent & Substitute Parts

Part Overview

The SAC7.0-B is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc., designed for general-purpose transient protection applications. This through-hole component operates across a wide temperature range and provides peak pulse power dissipation of 500W. The part is currently in active production status with 778 units available in bulk packaging. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the specified parameter range.

Substiute Parts

SAC7.0-B

Littelfuse Inc.In Stock: 814SAC7.0-B Datasheet

Current PartRFQ

SAC7.0-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 3738SAC7.0-E3/54 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SAC7.0-B is permissible when a candidate part maintains all critical electrical parameters within the specified tolerances: reverse standoff voltage of 7V (typical), minimum breakdown voltage of 8.33V, maximum clamping voltage of 12.6V at peak pulse current, and peak pulse current rating of 38A. The mechanical interface must remain compatible with the DO-204AC (DO-15) axial through-hole package. Operating temperature range must encompass or equal the -55°C to 175°C specification. Product status must be active, and RoHS3 compliance with REACH unaffected status must be maintained. The identified substitute SAC7.0-E3/54 meets all these criteria.

Parameter Comparison

Engineering Selection Recommendations

The SAC7.0-E3/54 manufactured by Vishay General Semiconductor - Diodes Division is a direct electrical and mechanical equivalent to the SAC7.0-B. Both components are active products with identical electrical specifications, operating temperature ranges, and package configurations. Both maintain ROHS3 compliance and REACH unaffected status. The primary distinction is packaging format: SAC7.0-B is supplied in bulk, while SAC7.0-E3/54 is supplied in cut tape. Selection between these parts should be based on procurement requirements, inventory availability, and supply chain considerations rather than technical performance differences.

Frequently Asked Questions (FAQ)

Q: Can SAC7.0-E3/54 be used as a direct replacement for SAC7.0-B in existing designs?

A: Yes. Both components share identical electrical parameters, including reverse standoff voltage, breakdown voltage, clamping voltage, peak pulse current, and power dissipation. The DO-204AC (DO-15) axial through-hole package is mechanically identical, permitting direct substitution in PCB layouts and circuit designs without modification.

Q: What is the difference between bulk and cut tape packaging?

A: Bulk packaging supplies components loose in a container, suitable for manual assembly or small-volume production. Cut tape packaging supplies components on adhesive tape in individual pockets, suitable for automated pick-and-place assembly equipment. Electrical and mechanical specifications remain identical.

Q: Are there any compliance or certification differences between these parts?

A: No. Both SAC7.0-B and SAC7.0-E3/54 maintain ROHS3 compliance and REACH unaffected status. Both are classified under the same ECCN (EAR99) and HTSUS code (8541.10.0080).

Q: What operating temperature range is supported?

A: Both components operate across -55°C to 175°C junction temperature, providing performance across industrial and extended temperature applications.

Q: Can these parts be used interchangeably in high-reliability applications?

A: Interchangeability is determined by design requirements and qualification standards specific to the application. Both parts meet identical electrical and mechanical specifications. Application-specific qualification procedures should be followed per relevant industry standards.