SA9.0CA B0G Equivalent & Substitute Parts

Part Overview

The SA9.0CA B0G is a Transient Voltage Suppressor (TVS) diode manufactured by Taiwan Semiconductor Corporation, designed for general-purpose overvoltage protection applications. This component features a 9V reverse standoff voltage with a 15.4V maximum clamping voltage and 34A peak pulse current capability in a through-hole DO-204AC (DO-15) axial package. The SA9.0CA B0G is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

SA9.0CA B0G

Taiwan Semiconductor CorporationIn Stock: 1168SA9.0CA B0G Datasheet

Current PartRFQ

SA9.0CA A0G

Taiwan Semiconductor CorporationIn Stock: 974SA9.0CA A0G Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SA9.0CA B0G is determined by electrical and mechanical parameter equivalence within the TVS diode category. The critical parameters governing substitution are:

Electrical Parameters:

• Voltage - Reverse Standoff (Typ): 9V
• Voltage - Breakdown (Min): 10V
• Voltage - Clamping (Max) @ Ipp: 15.4V
• Current - Peak Pulse (10/1000µs): 34A
• Power - Peak Pulse: 500W

Mechanical Parameters:

• Package / Case: DO-204AC (DO-15) Axial
• Mounting Type: Through Hole

Compliance Parameters:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Operating Temperature Range: -55°C ~ 175°C (TJ)

The SA9.0CA A0G meets all specified electrical and mechanical parameters identically to the SA9.0CA B0G, with the distinction that SA9.0CA A0G maintains Active product status, whereas SA9.0CA B0G is Discontinued.

Parameter Comparison

Engineering Selection Recommendations

The SA9.0CA A0G is a direct functional equivalent to the SA9.0CA B0G. Both components share identical electrical specifications, mechanical packaging, and compliance certifications. The primary distinction is product status: SA9.0CA A0G maintains Active availability, while SA9.0CA B0G is Discontinued.

For new designs and ongoing production requiring the SA9.0CA B0G specification, the SA9.0CA A0G provides equivalent performance with the advantage of current manufacturer support and supply chain availability. Both parts are ROHS3 Compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with standard handling and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can SA9.0CA A0G be used as a direct replacement for SA9.0CA B0G?

A: Yes. The SA9.0CA A0G is electrically and mechanically identical to SA9.0CA B0G across all specified parameters, including voltage ratings, current capacity, package type, and operating temperature range. No circuit modifications are required.

Q: What is the difference between SA9.0CA B0G and SA9.0CA A0G?

A: The components are functionally equivalent. The difference is product status: SA9.0CA B0G is Discontinued, while SA9.0CA A0G is Active. The suffix designation (B0G versus A0G) reflects manufacturing or distribution variants from Taiwan Semiconductor Corporation.

Q: Are both parts compatible with the same PCB footprint?

A: Yes. Both SA9.0CA B0G and SA9.0CA A0G use the DO-204AC (DO-15) axial through-hole package, ensuring identical PCB footprint compatibility without layout modifications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both SA9.0CA B0G and SA9.0CA A0G are ROHS3 Compliant, REACH Unaffected, and carry MSL 1 (Unlimited) moisture sensitivity ratings.

Q: What are the critical electrical parameters for substitution?

A: Substitution is valid when the following parameters match: Voltage - Reverse Standoff (9V), Voltage - Breakdown (10V minimum), Voltage - Clamping (15.4V maximum), Current - Peak Pulse (34A), and Power - Peak Pulse (500W).

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

A: Yes. Both SA9.0CA B0G and SA9.0CA A0G are rated for operating temperatures from -55°C to 175°C (TJ), supporting high-temperature circuit protection requirements.