BC32825 Equivalent & Substitute Parts

Part Overview

The BC32825 is a PNP bipolar junction transistor manufactured by onsemi, designed for general-purpose switching and amplification applications. It features a maximum collector current of 800 mA, collector-emitter breakdown voltage of 25 V, and maximum power dissipation of 625 mW in a Through Hole TO-92-3 package. The BC32825 is classified as an obsolete product, necessitating identification of active equivalent components for new designs and ongoing production requirements.

Substiute Parts

BC32825

onsemiIn Stock: 693BC32825 Datasheet

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SS8550DBU

onsemiIn Stock: 80199SS8550DBU Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the BC32825 is determined by strict electrical and mechanical compatibility criteria. The substitute part must satisfy the following requirements:

Mandatory Compatibility Parameters:

• Transistor Type: PNP (identical polarity required)
• Package / Case: TO-92-3 (identical physical form factor)
• Mounting Type: Through Hole (identical assembly method)
• Voltage - Collector Emitter Breakdown (Max): Equal to or greater than 25 V
• Current - Collector (Ic) (Max): Equal to or greater than 800 mA
• Power - Max: Equal to or greater than 625 mW
• DC Current Gain (hFE) (Min): Equal to or greater than 160 @ 100mA, 1V

The SS8550DBU meets all mandatory compatibility parameters and is classified as an active product, providing long-term availability for production applications.

Parameter Comparison

Engineering Selection Recommendations

The SS8550DBU is a direct substitute for the BC32825 based on electrical and mechanical compatibility. The SS8550DBU is manufactured by onsemi and maintains identical package geometry (TO-92-3) and mounting methodology (Through Hole), ensuring mechanical interchangeability without PCB redesign.

The SS8550DBU exceeds the electrical specifications of the BC32825 across multiple parameters: maximum collector current (1.5 A versus 800 mA), maximum power dissipation (1 W versus 625 mW), and transition frequency (200 MHz versus 100 MHz). These enhanced specifications provide performance margin in applications previously designed for the BC32825.

The SS8550DBU is classified as an active product with RoHS3 compliance and REACH unaffected status, ensuring regulatory compliance and long-term supply availability. The BC32825, classified as obsolete, presents supply chain risk for ongoing production and new design implementations.

Frequently Asked Questions (FAQ)

Q: Can the SS8550DBU be used as a direct replacement for the BC32825 in existing designs?

A: Yes. The SS8550DBU is mechanically and electrically compatible with the BC32825. Both components feature identical TO-92-3 package geometry, Through Hole mounting, and PNP transistor polarity. The SS8550DBU meets or exceeds all electrical specifications of the BC32825, including collector current, breakdown voltage, and current gain.

Q: What are the key differences between the BC32825 and SS8550DBU?

A: The SS8550DBU provides enhanced electrical performance: maximum collector current of 1.5 A (versus 800 mA), maximum power dissipation of 1 W (versus 625 mW), and transition frequency of 200 MHz (versus 100 MHz). The SS8550DBU also features lower saturation voltage (500 mV at 80 mA, 800 mA versus 700 mV at 50 mA, 500 mA). The SS8550DBU is an active product, while the BC32825 is obsolete.

Q: Are there any package or pinout differences between these components?

A: No. Both the BC32825 and SS8550DBU use the TO-92-3 package with identical pinout and physical dimensions. No PCB modifications are required for substitution.

Q: What compliance certifications apply to the SS8550DBU?

A: The SS8550DBU is RoHS3 compliant and REACH unaffected. Both components carry EAR99 export classification and identical HTSUS codes within the transistor category.

Q: Why is the BC32825 classified as obsolete?

A: The BC32825 is designated as an obsolete product by onsemi, indicating discontinued manufacturing and limited availability. The SS8550DBU represents the active equivalent for ongoing production and new design applications.