STN9260 Equivalent & Substitute Parts

Part Overview

The STN9260 is an active production PNP bipolar junction transistor manufactured by STMicroelectronics, rated for 600 V collector-emitter breakdown voltage and 500 mA maximum collector current. The device is packaged in SOT-223 surface mount configuration with a maximum power dissipation of 1.6 W. This transistor is suitable for high-voltage switching and amplification applications requiring PNP polarity in compact form factors. 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

STN9260

STMicroelectronicsIn Stock: 6836STN9260 Datasheet

Current PartRFQ

PBHV9560ZX

Nexperia USA Inc.In Stock: 45441PBHV9560ZX Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the STN9260 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Criteria:

• Transistor polarity: PNP
• Collector-emitter breakdown voltage: 600 V minimum
• Maximum collector current: 500 mA minimum
• Package type: SOT-223 surface mount
• Mounting configuration: Surface mount

Acceptable Variation Ranges:

• Maximum power dissipation: Equal to or greater than 1.6 W
• Vce saturation: Lower values are acceptable (improved performance)
• DC current gain (hFE): Equal to or greater than 50 at specified conditions
• Operating temperature: 150°C or higher
• Compliance standards: ROHS3 compliant minimum

The PBHV9560ZX from Nexperia USA Inc. meets all mandatory matching criteria and operates within acceptable variation ranges for power dissipation, saturation voltage, and current gain characteristics.

Parameter Comparison

Engineering Selection Recommendations

STN9260 Selection: The STN9260 is the primary choice for applications where STMicroelectronics supply chain qualification is required. The device maintains active production status with 6760 units in stock. It provides 1.6 W maximum power dissipation and meets ROHS3 compliance requirements. The part is suitable for general-purpose high-voltage PNP switching applications.

PBHV9560ZX Selection: The PBHV9560ZX is a direct substitute when Nexperia supply chain qualification is acceptable. This device is AEC-Q100 qualified for automotive applications and carries Nexperia's automotive-grade designation. The PBHV9560ZX demonstrates improved electrical characteristics including lower saturation voltage (250 mV versus 1 V), lower collector cutoff current (100 nA versus 10 µA), and higher DC current gain (70 versus 50). Inventory availability is significantly higher at 45400 units. The reduced power rating (650 mW versus 1.6 W) requires verification that application power dissipation does not exceed 650 mW.

Compliance Considerations: Both parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. The PBHV9560ZX carries additional AEC-Q100 automotive qualification, making it suitable for automotive-grade applications where the STN9260 may not be specified.

Frequently Asked Questions (FAQ)

Q: Can the PBHV9560ZX replace the STN9260 in all applications?

A: The PBHV9560ZX is electrically compatible for applications where power dissipation does not exceed 650 mW. The STN9260 is rated for 1.6 W maximum power dissipation. If your application requires power dissipation between 650 mW and 1.6 W, the PBHV9560ZX is not suitable. For applications operating below 650 mW, the PBHV9560ZX provides improved electrical performance with lower saturation voltage and higher current gain.

Q: Are the package dimensions identical between STN9260 and PBHV9560ZX?

A: Both devices use the SOT-223 package type with TO-261-4 and TO-261AA case designations. The physical dimensions and pin configurations are identical, allowing direct PCB footprint compatibility.

Q: What is the significance of the lower Vce saturation voltage in the PBHV9560ZX?

A: Lower saturation voltage (250 mV versus 1 V) indicates reduced voltage drop across the transistor when operating in saturation mode. This results in lower power dissipation and improved switching efficiency in applications where the transistor operates as a switch rather than a linear amplifier.

Q: Does the PBHV9560ZX automotive qualification affect non-automotive applications?

A: No. AEC-Q100 qualification indicates the device meets automotive reliability and testing standards. Non-automotive applications benefit from the enhanced reliability testing without restriction. The automotive qualification does not limit use in general industrial or consumer applications.

Q: What is the impact of the 650 mW power rating on the PBHV9560ZX?

A: The 650 mW maximum power dissipation is the primary limiting factor for substitution. Applications must calculate total power dissipation as P = Ic² × Rce(sat) + Ic × Vce(sat) under worst-case operating conditions. If calculated power dissipation exceeds 650 mW, the PBHV9560ZX will exceed its thermal limits and the STN9260 must be used.

Q: Are there differences in moisture sensitivity between these parts?

A: Both the STN9260 and PBHV9560ZX carry MSL (Moisture Sensitivity Level) rating of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or reflow processing.