SB1245-TP Equivalent & Substitute Parts

Part Overview

The SB1245-TP is a Schottky rectifier diode manufactured by Micro Commercial Co, designed for through-hole applications in the DO-201AD axial package format. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing design requirements and procurement needs. The SB1245-TP operates as a 12A Schottky diode in a through-hole configuration, making functional equivalents critical for system continuity.

Substiute Parts

SB1245-TP

Micro Commercial CoIn Stock: 1098SB1245-TP Datasheet

Current PartRFQ

SK12H45 A0G

Taiwan Semiconductor CorporationIn Stock: 972SK12H45 A0G Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the SB1245-TP is determined by the following critical parameters:

Mandatory Matching Criteria:

• Package / Case: DO-201AD, Axial (physical and electrical interface compatibility)
• Mounting Type: Through Hole (assembly process compatibility)
• Current - Average Rectified (Io): 12A (functional current rating)
• Category: Diodes, Rectifiers - Schottky technology (functional classification)
• RoHS Status: ROHS3 Compliant (regulatory compliance)
• Moisture Sensitivity Level (MSL): 1 (Unlimited) (storage and handling compatibility)

The SK12H45 A0G from Taiwan Semiconductor Corporation meets all mandatory substitution criteria. This part maintains identical package geometry, mounting methodology, current rating, and regulatory compliance status as the SB1245-TP, enabling direct functional replacement in through-hole circuit applications.

Parameter Comparison

Engineering Selection Recommendations

The SK12H45 A0G qualifies as a direct substitute for the obsolete SB1245-TP based on the following engineering criteria:

Package and Mechanical Compatibility: Both components utilize the DO-201AD axial package in through-hole configuration, ensuring identical PCB footprint and assembly compatibility without design modification.

Electrical Functional Equivalence: Both parts are rated for 12A average rectified current and operate as Schottky rectifier diodes, maintaining functional equivalence in circuit operation.

Regulatory and Compliance Status: The SK12H45 A0G maintains ROHS3 compliance and MSL 1 (Unlimited) rating, matching the SB1245-TP compliance profile. The SK12H45 A0G holds active product status, ensuring ongoing availability and supply chain continuity.

Operational Parameters: The SK12H45 A0G provides specified electrical characteristics (45V reverse voltage, 550mV forward voltage at 12A, 200°C maximum junction temperature) that support standard Schottky diode applications within the 12A current class.

Frequently Asked Questions (FAQ)

Q: Can the SK12H45 A0G be used as a direct replacement for the SB1245-TP without PCB modification?

A: Yes. Both components share identical DO-201AD axial package geometry and through-hole mounting configuration, enabling direct substitution without PCB redesign or layout changes.

Q: What is the primary reason for substituting the SB1245-TP?

A: The SB1245-TP is classified as obsolete. The SK12H45 A0G is an active product with confirmed ongoing availability, ensuring long-term supply chain reliability.

Q: Are there compliance differences between the SB1245-TP and SK12H45 A0G?

A: No. Both components are ROHS3 compliant and carry MSL 1 (Unlimited) ratings, maintaining identical regulatory and environmental compliance profiles.

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

A: Current rating (12A), package type (DO-201AD), and mounting method (through-hole) are the primary parameters determining substitution compatibility. The SK12H45 A0G matches all three criteria.

Q: Does the SK12H45 A0G provide additional electrical specifications compared to the SB1245-TP?

A: The SK12H45 A0G includes specified reverse voltage (45V), forward voltage (550mV @ 12A), and maximum junction temperature (200°C). The SB1245-TP datasheet does not provide these detailed specifications in the available documentation.

Q: Are there any secondary substitute options listed for the SK12H45 A0G?

A: The SR305-TP is identified as an additional substitute option for the SK12H45 A0G. Verification of SR305-TP compatibility with the SB1245-TP requires independent parameter cross-reference.