ZXTP25012EZTA Equivalent & Substitute Parts

Part Overview

The ZXTP25012EZTA is an active PNP bipolar junction transistor manufactured by Diodes Incorporated, designed for surface mount applications in the SOT-89-3 package. This component operates at a maximum collector current of 4.5 A with a 12 V collector-emitter breakdown voltage and delivers 2.4 W maximum power dissipation. The device is specified for operating temperatures from -55°C to 150°C and features a transition frequency of 310 MHz. As an active product with ROHS3 compliance and unlimited moisture sensitivity rating, the ZXTP25012EZTA remains in production. Equivalent and substitute parts are identified to provide design flexibility when the primary part is unavailable or when alternative electrical characteristics better suit specific application requirements.

Substiute Parts

ZXTP25012EZTA

Diodes IncorporatedIn Stock: 28286ZXTP25012EZTA Datasheet

Current PartRFQ

PBSS301PX,115

Nexperia USA Inc.In Stock: 1506PBSS301PX,115 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ZXTP25012EZTA is determined by strict electrical and mechanical compatibility criteria. The primary substitution candidate must satisfy the following requirements:

Mandatory Compatibility Parameters:

• Transistor type: PNP configuration
• Package / Case: TO-243AA (SOT-89 family)
• Mounting type: Surface Mount
• Voltage - Collector Emitter Breakdown: 12 V minimum
• Current - Collector (Ic) (Max): Equal to or greater than 4.5 A
• Power - Max: Equal to or greater than 2.4 W
• Operating temperature range: Must encompass or exceed -55°C to 150°C
• RoHS compliance: ROHS3 Compliant

The PBSS301PX,115 meets all mandatory compatibility parameters. Both devices share identical collector-emitter breakdown voltage (12 V), surface mount SOT-89 packaging, and PNP configuration. The PBSS301PX,115 provides higher maximum collector current (5.3 A versus 4.5 A) and maintains ROHS3 compliance with unlimited moisture sensitivity rating.

Parameter Comparison

Engineering Selection Recommendations

Both the ZXTP25012EZTA and PBSS301PX,115 are active products with ROHS3 compliance and unlimited moisture sensitivity ratings, ensuring regulatory compliance for current and future applications. The ZXTP25012EZTA is the primary component specified in this reference.

The PBSS301PX,115 serves as a direct substitute when the ZXTP25012EZTA is unavailable. The substitute provides higher maximum collector current (5.3 A) and lower saturation voltage (210 mV), offering improved current handling capability and reduced power dissipation in saturation conditions. The PBSS301PX,115 includes AEC-Q100 automotive qualification, making it suitable for automotive-grade applications.

Selection between these parts depends on application-specific requirements. The ZXTP25012EZTA offers higher transition frequency (310 MHz) and higher DC current gain (500 minimum), making it preferable for high-frequency switching applications. The PBSS301PX,115 is preferable for applications requiring higher collector current capacity or automotive qualification.

Both devices operate within the same voltage class (12 V) and share identical packaging (TO-243AA SOT-89 family), ensuring mechanical and electrical compatibility in surface mount designs.

Frequently Asked Questions (FAQ)

Q: Can the PBSS301PX,115 directly replace the ZXTP25012EZTA in all applications?

A: The PBSS301PX,115 is mechanically and electrically compatible as a substitute. Both devices share the same package (TO-243AA SOT-89), voltage rating (12 V), and PNP configuration. However, differences in transition frequency (310 MHz versus 140 MHz) and DC current gain (500 versus 200 minimum) may affect performance in high-frequency switching circuits. Application-specific circuit analysis is required to confirm suitability.

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

A: The ZXTP25012EZTA features higher transition frequency (310 MHz) and higher DC current gain (500 minimum), making it better suited for high-frequency applications. The PBSS301PX,115 provides higher maximum collector current (5.3 A versus 4.5 A) and lower saturation voltage (210 mV versus 285 mV), offering superior current handling and reduced power dissipation. The PBSS301PX,115 includes AEC-Q100 automotive qualification.

Q: Are both parts available in the same package?

A: Both parts use the TO-243AA package in the SOT-89 family for surface mount applications. The ZXTP25012EZTA is specified as SOT-89-3, while the PBSS301PX,115 is specified as SOT-89. Both are compatible with identical PCB footprints and reflow soldering processes.

Q: What is the operating temperature range for each part?

A: The ZXTP25012EZTA operates from -55°C to 150°C junction temperature. The PBSS301PX,115 is specified to 150°C junction temperature. For applications requiring the full -55°C to 150°C range, the ZXTP25012EZTA is the appropriate selection.

Q: Do both parts meet RoHS compliance requirements?

A: Yes, both the ZXTP25012EZTA and PBSS301PX,115 are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1), meeting current environmental and regulatory requirements.

Q: Which part should be selected for automotive applications?

A: The PBSS301PX,115 includes AEC-Q100 automotive qualification, making it the specified choice for automotive-grade applications. The ZXTP25012EZTA does not carry automotive qualification.

Q: How do the saturation voltage specifications compare?

A: The ZXTP25012EZTA has a maximum saturation voltage of 285 mV at 450 mA base current and 4.5 A collector current. The PBSS301PX,115 has a maximum saturation voltage of 210 mV at 265 mA base current and 5.3 A collector current. The lower saturation voltage of the PBSS301PX,115 results in reduced power dissipation during saturation operation.