SA26A B0G Equivalent & Substitute Parts

Part Overview

The SA26A B0G is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Taiwan Semiconductor Corporation, designed for general-purpose overvoltage protection applications. This component features a 26V reverse standoff voltage with a 53.5V maximum clamping voltage and 12.4A peak pulse current capability in a through-hole DO-204AC (DO-15) axial package format.

The SA26A B0G is currently discontinued at DiGi Electronics. Identifying equivalent substitute parts ensures continued availability for circuit protection applications requiring identical electrical and mechanical specifications.

Substiute Parts

SA26A B0G
Taiwan Semiconductor CorporationIn Stock: 844SA26A B0G Datasheet
SA26A B0G
Current Part
SA26A A0G
Taiwan Semiconductor CorporationIn Stock: 1183SA26A A0G Datasheet
SA26A A0G
Direct

Key Parameters

Parameter Value Unit
Voltage - Reverse Standoff (Typ) 26 V
Voltage - Breakdown (Min) 28.9 V
Voltage - Clamping (Max) @ Ipp 53.5 V
Current - Peak Pulse (10/1000µs) 12.4 A
Power - Peak Pulse 500 W
Operating Temperature Range -55 to 175 °C (TJ)
Package / Case DO-204AC, DO-15, Axial
Mounting Type Through Hole
Type Zener
Unidirectional Channels 1

Substitute Part Grouping Explanation

Substitute parts for the SA26A B0G are identified based on strict electrical and mechanical parameter matching within the TVS diode category. The substitution criteria are:

Electrical Parameters (Must Match):

  • Voltage - Reverse Standoff (Typ): 26V
  • Voltage - Breakdown (Min): 28.9V
  • Voltage - Clamping (Max) @ Ipp: 53.5V
  • Current - Peak Pulse (10/1000µs): 12.4A
  • Power - Peak Pulse: 500W
  • Operating Temperature Range: -55°C to 175°C (TJ)

Mechanical Parameters (Must Match):

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

Device Type (Must Match):

  • Type: Zener
  • Category: Transient Voltage Suppressors (TVS)

Parts meeting all these criteria are direct functional equivalents suitable for one-to-one replacement in circuit applications.

Parameter Comparison

Parameter SA26A B0G (Main Part) SA26A A0G (Substitute)
Manufacturer Taiwan Semiconductor Corporation Taiwan Semiconductor Corporation
Series SA SA
Type Zener Zener
Unidirectional Channels 1 1
Voltage - Reverse Standoff (Typ) 26V 26V
Voltage - Breakdown (Min) 28.9V 28.9V
Voltage - Clamping (Max) @ Ipp 53.5V 53.5V
Current - Peak Pulse (10/1000µs) 12.4A 12.4A
Power - Peak Pulse 500W 500W
Operating Temperature Range -55°C ~ 175°C (TJ) -55°C ~ 175°C (TJ)
Mounting Type Through Hole Through Hole
Package / Case DO-204AC, DO-15, Axial DO-204AC, DO-15, Axial
Supplier Device Package DO-204AC (DO-15) DO-204AC (DO-15)
Base Product Number SA26 SA26
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
REACH Status REACH Unaffected REACH Unaffected
ECCN EAR99 EAR99
HTSUS 8541.10.0080 8541.10.0080
Product Status Discontinued at DiGi Electronics Active

Engineering Selection Recommendations

The SA26A A0G serves as a direct substitute for the discontinued SA26A B0G. Both components are manufactured by Taiwan Semiconductor Corporation and share identical electrical specifications and mechanical packaging.

Selection Basis:

The SA26A A0G is the appropriate replacement due to:

  • Identical electrical parameters across all critical voltage and current ratings
  • Identical mechanical package specification (DO-204AC, DO-15, Axial through-hole)
  • Identical operating temperature range (-55°C to 175°C)
  • Identical compliance certifications (ROHS3 Compliant, REACH Unaffected, EAR99)
  • Active product status ensuring continued availability
  • Same base product number (SA26) within the SA series

The SA26A A0G maintains full functional equivalence for all general-purpose transient voltage suppression applications previously served by the SA26A B0G.

Frequently Asked Questions (FAQ)

Q: Can the SA26A A0G be used as a direct replacement for the SA26A B0G?

A: Yes. The SA26A A0G is a direct one-to-one substitute. All electrical parameters, mechanical specifications, and compliance certifications are identical between the two parts.

Q: What are the key electrical parameters that define substitution compatibility?

A: Substitution compatibility for TVS diodes in this category is determined by: reverse standoff voltage (26V), breakdown voltage (28.9V minimum), clamping voltage (53.5V maximum at Ipp), peak pulse current (12.4A), peak pulse power (500W), and operating temperature range (-55°C to 175°C).

Q: Are the package specifications identical?

A: Yes. Both the SA26A B0G and SA26A A0G use the DO-204AC (DO-15) axial through-hole package format. They are mechanically interchangeable on printed circuit boards.

Q: What is the difference between the SA26A B0G and SA26A A0G?

A: The primary difference is product status. The SA26A B0G is discontinued at DiGi Electronics, while the SA26A A0G maintains active status. All technical specifications are identical.

Q: Are compliance certifications the same?

A: Yes. Both parts are ROHS3 Compliant, REACH Unaffected, and classified under ECCN EAR99. Moisture sensitivity level is 1 (Unlimited) for both.

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

A: No. Both the SA26A B0G and SA26A A0G are designated for general-purpose applications only and are not rated for power line protection.

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