BAW56 Equivalent & Substitute Parts

Part Overview

The BAW56 is a general-purpose diode array manufactured by Taiwan Semiconductor Corporation, configured as a 1 Pair Common Anode device in a surface mount SOT-23 package. This component is designed for applications requiring dual diode functionality with a maximum reverse voltage rating of 70 V and average rectified current of 200 mA per diode. The part is classified as Active product status with full RoHS3 compliance and REACH Unaffected designation. Equivalent and substitute parts are identified to provide design flexibility, inventory alternatives, and sourcing options while maintaining electrical and mechanical compatibility within specified parameter tolerances.

Substiute Parts

BAW56

Taiwan Semiconductor CorporationIn Stock: 305122BAW56 Datasheet

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BAW56_R1_00001

Panjit International Inc.In Stock: 9176BAW56_R1_00001 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the BAW56 are identified based on strict electrical and mechanical compatibility criteria. The primary substitution logic is governed by the following parameters:

Mandatory Compatibility Parameters:

• Diode Configuration: 1 Pair Common Anode (identical topology required)
• Package / Case: TO-236-3, SC-59, SOT-23-3 (identical physical form factor)
• Mounting Type: Surface Mount (identical assembly method)
• Technology: Standard (identical diode technology classification)
• Operating Temperature Range: -55°C to 150°C (identical or wider range acceptable)

Electrical Parameter Tolerance Criteria:

• Voltage - DC Reverse (Vr) (Max): Substitute must equal or exceed the main part specification
• Current - Average Rectified (Io) (per Diode): Substitute must equal or exceed the main part specification
• Voltage - Forward (Vf) (Max) @ If: Substitute must equal or be lower than the main part specification
• Reverse Recovery Time (trr): Substitute specifications are acceptable within application requirements
• Current - Reverse Leakage @ Vr: Substitute specifications are acceptable within application requirements

Compliance Parameters:

• RoHS Status: ROHS3 Compliant (required)
• REACH Status: REACH Unaffected (required)

Substitute parts meeting all mandatory compatibility parameters and electrical tolerance criteria are classified as direct equivalents.

Parameter Comparison

Engineering Selection Recommendations

BAW56_R1_00001 (Panjit International Inc.) Substitution Assessment:

The BAW56_R1_00001 is an Active product with full ROHS3 compliance and REACH Unaffected status, matching the regulatory and compliance profile of the main part. Physical and functional compatibility is confirmed through identical package designation (TO-236-3, SC-59, SOT-23-3), mounting type (Surface Mount), and diode configuration (1 Pair Common Anode).

Electrical parameter analysis indicates the following:

• Reverse voltage rating of 75 V exceeds the 70 V specification of the main part, providing additional voltage margin.
• Average rectified current per diode is rated at 150 mA, which is below the 200 mA specification of the main part. This parameter difference requires circuit-level evaluation to confirm suitability for the intended application.
• Forward voltage characteristics are identical at 1.25 V @ 150 mA.
• Reverse recovery time of 4 ns is faster than the 6 ns specification of the main part, indicating improved switching performance.
• Reverse leakage current remains equivalent at 2.5 µA.

Selection of BAW56_R1_00001 is appropriate for applications where the 150 mA current rating per diode meets or exceeds the design requirement, and where the enhanced voltage margin and faster recovery time provide operational benefits.

Frequently Asked Questions (FAQ)

Q: Can BAW56_R1_00001 be used as a direct replacement for BAW56 in all applications?

A: BAW56_R1_00001 shares identical package, configuration, and mounting characteristics with BAW56. However, the average rectified current rating of 150 mA per diode is lower than the 200 mA rating of BAW56. Substitution is valid only when the application current requirement does not exceed 150 mA per diode. Circuit design review is necessary to confirm current compatibility.

Q: What are the key electrical differences between BAW56 and BAW56_R1_00001?

A: The primary electrical differences are: (1) Reverse voltage rating: BAW56_R1_00001 is rated at 75 V versus 70 V for BAW56, providing 5 V additional margin; (2) Average rectified current: BAW56_R1_00001 is rated at 150 mA per diode versus 200 mA for BAW56; (3) Reverse recovery time: BAW56_R1_00001 has a faster recovery time of 4 ns versus 6 ns for BAW56. Forward voltage and reverse leakage characteristics are identical.

Q: Are both parts available in the same packaging options?

A: Both BAW56 and BAW56_R1_00001 are supplied in identical package designations: TO-236-3, SC-59, SOT-23-3. BAW56 is available in standard packaging, while BAW56_R1_00001 is available in Tape & Reel (TR) format. Both are surface mount components suitable for automated assembly.

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

A: Yes. Both BAW56 and BAW56_R1_00001 are ROHS3 Compliant and REACH Unaffected. Both parts carry Active product status and meet identical environmental and regulatory requirements.

Q: What is the operating temperature range for both parts?

A: Both BAW56 and BAW56_R1_00001 operate across an identical junction temperature range of -55°C to 150°C, providing equivalent thermal performance characteristics.

Q: How does the faster reverse recovery time of BAW56_R1_00001 affect circuit performance?

A: The reverse recovery time (trr) of 4 ns for BAW56_R1_00001 is faster than the 6 ns specification of BAW56. Faster recovery time reduces switching losses and improves high-frequency performance. This characteristic is beneficial in switching applications and does not create compatibility issues with circuits designed for the BAW56.

Q: Can inventory be mixed between BAW56 and BAW56_R1_00001 in production?

A: Mixing inventory is permissible only when the application current requirement is confirmed to be within the 150 mA per diode limit of BAW56_R1_00001. Design documentation must specify which part number is acceptable for the application to prevent incompatible substitutions.