2SA1201-Y-TP Equivalent & Substitute Parts

Part Overview

The 2SA1201-Y-TP is a PNP bipolar junction transistor manufactured by Micro Commercial Co, designed for surface mount applications in the SOT-89 package. This component operates at a maximum collector current of 800 mA with a collector-emitter breakdown voltage of 120 V and a maximum power dissipation of 1 W. The device is classified as obsolete, which necessitates identification of equivalent substitute components for ongoing design requirements and production continuity.

Substiute Parts

2SA1201-Y-TP

Micro Commercial CoIn Stock: 7912SA1201-Y-TP Datasheet

Current PartRFQ

2DA1201Y-7

Diodes IncorporatedIn Stock: 15432DA1201Y-7 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2SA1201-Y-TP is determined by strict equivalence across the following critical electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Transistor type must be PNP
• Maximum collector current must be equal to or greater than 800 mA
• Collector-emitter breakdown voltage must be equal to or greater than 120 V
• Vce saturation characteristics must be compatible at specified bias conditions
• DC current gain must meet or exceed the minimum specification of 80 @ 100 mA, 5 V

Mechanical and Package Equivalence Criteria:

• Surface mount mounting type
• SOT-89 package family compatibility
• TO-243AA case designation

Compliance and Environmental Criteria:

• ROHS3 compliance
• MSL rating of 1 (Unlimited)

The 2DA1201Y-7 manufactured by Diodes Incorporated meets all substitution criteria and is classified as an active product, providing design continuity for applications currently utilizing the obsolete 2SA1201-Y-TP.

Parameter Comparison

Engineering Selection Recommendations

The 2DA1201Y-7 is a direct substitute for the 2SA1201-Y-TP based on the following engineering criteria:

Electrical Compatibility: The 2DA1201Y-7 meets all minimum electrical specifications of the 2SA1201-Y-TP. The DC current gain of 120 @ 100 mA, 5 V exceeds the minimum requirement of 80, providing improved circuit performance. The transition frequency of 160 MHz exceeds the original 120 MHz specification, supporting higher-speed applications. The maximum power dissipation of 1.5 W exceeds the 1 W specification of the original part.

Package and Mechanical Compatibility: Both components utilize the TO-243AA case designation and SOT-89 package family, ensuring mechanical and thermal compatibility in existing PCB layouts and assembly processes.

Compliance and Regulatory Status: The 2DA1201Y-7 maintains ROHS3 compliance and MSL rating of 1 (Unlimited), matching the environmental and regulatory requirements of the original component. Both components carry identical ECCN and HTSUS classifications.

Product Status: The 2DA1201Y-7 is classified as an active product with established supply availability, eliminating obsolescence risk associated with the 2SA1201-Y-TP.

Frequently Asked Questions (FAQ)

Q: Can the 2DA1201Y-7 be used as a direct replacement for the 2SA1201-Y-TP in existing designs?

A: Yes. The 2DA1201Y-7 meets or exceeds all electrical specifications of the 2SA1201-Y-TP, including collector current, breakdown voltage, saturation voltage, and current gain. Both components share identical package designations (TO-243AA) and are compatible with existing PCB layouts and assembly processes.

Q: What are the key differences between these two parts?

A: The 2DA1201Y-7 provides enhanced performance specifications: DC current gain of 120 versus 80, transition frequency of 160 MHz versus 120 MHz, and maximum power dissipation of 1.5 W versus 1 W. The 2DA1201Y-7 also offers an extended operating temperature range of -55°C to 150°C compared to the 150°C maximum of the 2SA1201-Y-TP. The 2DA1201Y-7 is an active product, whereas the 2SA1201-Y-TP is obsolete.

Q: Are there any package compatibility concerns?

A: No. Both components use the TO-243AA case designation and are part of the SOT-89 package family. The 2DA1201Y-7 is supplied in SOT-89-3 configuration, which is mechanically and electrically compatible with SOT-89 applications. Pin assignments and thermal characteristics are equivalent.

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

A: Yes. Both the 2SA1201-Y-TP and 2DA1201Y-7 are ROHS3 compliant with MSL rating of 1 (Unlimited). Both carry identical ECCN (EAR99) and HTSUS (8541.29.0075) classifications, ensuring equivalent regulatory status for procurement and export purposes.

Q: What is the availability status of the substitute part?

A: The 2DA1201Y-7 is classified as an active product with 1500 pieces in stock, providing reliable supply continuity. The 2SA1201-Y-TP is obsolete, making the 2DA1201Y-7 the recommended choice for new designs and production continuity.

Q: Are there any performance trade-offs when using the 2DA1201Y-7?

A: No trade-offs exist. The 2DA1201Y-7 provides equal or superior performance across all measured parameters. Higher current gain, transition frequency, and power dissipation rating provide design margin and support higher-performance applications without compromising compatibility with existing circuit designs.