SA75CA B0G Equivalent & Substitute Parts

Part Overview

The SA75CA B0G is a Transient Voltage Suppressor (TVS) diode manufactured by Taiwan Semiconductor Corporation, designed for general-purpose overvoltage protection applications. This component features a 75V reverse standoff voltage with a 121V maximum clamping voltage and 4.3A peak pulse current capability in a through-hole DO-204AC (DO-15) axial package.

The SA75CA B0G is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts ensures continued availability for repair, maintenance, and new production applications requiring identical electrical and mechanical specifications.

Substiute Parts

SA75CA B0G

Taiwan Semiconductor CorporationIn Stock: 782SA75CA B0G Datasheet

Current PartRFQ

SA75CA A0G

Taiwan Semiconductor CorporationIn Stock: 789SA75CA A0G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SA75CA B0G are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution logic requires matching specifications in the following areas:

Electrical Parameters (Must Match Exactly):

• Voltage - Reverse Standoff (Typ): 75V
• Voltage - Breakdown (Min): 83.3V
• Voltage - Clamping (Max) @ Ipp: 121V
• Current - Peak Pulse (10/1000µs): 4.3A
• Power - Peak Pulse: 500W
• Operating Temperature Range: -55°C to 175°C (TJ)

Mechanical Parameters (Must Match Exactly):

• Package / Case: DO-204AC, DO-15, Axial
• Mounting Type: Through Hole
• Bidirectional Channels: 1

Device Type (Must Match Exactly):

• Type: Zener
• Category: Transient Voltage Suppressors (TVS)
• Series: SA
• Base Product Number: SA75

Parts meeting all these criteria are classified as direct equivalents and may be substituted without circuit redesign or performance degradation.

Parameter Comparison

Engineering Selection Recommendations

The SA75CA A0G is a direct electrical and mechanical equivalent to the SA75CA B0G. Both components share identical specifications across all critical parameters including voltage ratings, current capacity, temperature range, and package configuration.

Product Status Consideration: The SA75CA B0G is discontinued at DiGi Electronics, while the SA75CA A0G maintains active product status. For new designs and ongoing production requirements, the SA75CA A0G is the recommended selection to ensure long-term component availability.

Compliance and Certification: Both parts maintain identical compliance certifications:

• ROHS3 Compliant
• REACH Unaffected
• ECCN: EAR99
• HTSUS: 8541.10.0080

These certifications confirm that either part meets current regulatory requirements for electronic component manufacturing and distribution.

Inventory Availability: The SA75CA A0G currently maintains higher inventory levels (742 Pcs) compared to the SA75CA B0G (709 Pcs), supporting immediate procurement for production applications.

Frequently Asked Questions (FAQ)

Q: Can SA75CA A0G be used as a direct replacement for SA75CA B0G in existing circuits?

A: Yes. The SA75CA A0G is a direct equivalent with identical electrical specifications (75V standoff, 121V clamping, 4.3A peak pulse current) and mechanical configuration (DO-204AC through-hole package). No circuit modifications are required.

Q: What is the difference between SA75CA B0G and SA75CA A0G?

A: The components are electrically and mechanically identical. The difference lies in product status: SA75CA B0G is discontinued at DiGi Electronics, while SA75CA A0G maintains active status with higher current inventory availability.

Q: Are the package dimensions identical between these parts?

A: Yes. Both parts use the DO-204AC (DO-15) axial through-hole package with identical mechanical specifications and pin configuration.

Q: Do both parts meet the same regulatory compliance standards?

A: Yes. Both SA75CA B0G and SA75CA A0G are ROHS3 Compliant, REACH Unaffected, and classified under ECCN EAR99 with identical HTSUS coding (8541.10.0080).

Q: What is the operating temperature range for these TVS diodes?

A: Both parts operate across the temperature range of -55°C to 175°C (junction temperature), suitable for industrial and commercial applications.

Q: Can these parts be used for power line protection applications?

A: No. Both SA75CA B0G and SA75CA A0G are classified for general-purpose transient voltage suppression and are not rated for power line protection applications.

Q: What is the peak pulse power rating?

A: Both parts are rated for 500W peak pulse power with a peak pulse current of 4.3A under 10/1000µs pulse conditions.