BCP51-10-TP Equivalent & Substitute Parts

Part Overview

The BCP51-10-TP is a Surface Mount PNP Bipolar Junction Transistor manufactured by Micro Commercial Co, housed in a SOT-223 package. This component is rated for 45V collector-emitter breakdown voltage and 1A maximum collector current, with a maximum power dissipation of 1.5W and transition frequency of 100MHz. The BCP51-10-TP is classified as Obsolete, necessitating identification of equivalent and substitute components for ongoing design requirements and production continuity.

Substiute Parts

BCP51-10-TP

Micro Commercial CoIn Stock: 985BCP51-10-TP Datasheet

Current PartRFQ

BCP53-16-TP

Micro Commercial CoIn Stock: 3218BCP53-16-TP Datasheet

SimilarRFQ

GSBCP51-16

Good-Ark SemiconductorIn Stock: 5859GSBCP51-16 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute components for the BCP51-10-TP are identified based on strict electrical and mechanical parameter compatibility. The substitution logic is organized into two categories:

Parametric Equivalent: Components that match all critical electrical specifications including transistor type (PNP), collector-emitter breakdown voltage (45V), maximum collector current (1A), power dissipation (1.5W), transition frequency (100MHz), DC current gain (63 @ 150mA, 2V), saturation voltage (500mV @ 50mA, 500mA), and collector cutoff current (100nA). These parts maintain identical thermal and frequency performance characteristics and are mechanically compatible with the same SOT-223 surface mount package.

Functional Substitute: Components that share the same transistor type (PNP), mounting technology (Surface Mount SOT-223), and power rating (1.5W), but with elevated voltage ratings (80V collector-emitter breakdown). These parts operate within the same frequency range (100MHz) and maintain compatible current handling (1A maximum collector current). Functional substitutes are suitable for applications where the original 45V specification is not a limiting constraint.

Parameter Comparison

Engineering Selection Recommendations

GSBCP51-16 (Parametric Equivalent - Recommended Primary Substitute)

The GSBCP51-16 manufactured by Good-Ark Semiconductor is the parametric equivalent for the BCP51-10-TP. This component maintains identical electrical specifications across all critical parameters: 45V collector-emitter breakdown voltage, 1A maximum collector current, 1.5W power dissipation, 100MHz transition frequency, 63 DC current gain at specified conditions, and 500mV saturation voltage. The GSBCP51-16 is classified as Active product status, ensuring long-term availability and supply chain continuity. Both components are ROHS3 compliant with MSL rating of 1 (Unlimited), providing equivalent environmental and regulatory compliance. The identical SOT-223 surface mount package and TO-261-4/TO-261AA case specifications enable direct mechanical and electrical substitution without circuit redesign.

BCP53-16-TP (Functional Substitute - Secondary Option)

The BCP53-16-TP manufactured by Micro Commercial Co functions as a substitute where voltage margin is required. This component shares the same transistor type (PNP), current rating (1A), power dissipation (1.5W), transition frequency (100MHz), and surface mount SOT-223 package as the BCP51-10-TP. The BCP53-16-TP provides an elevated collector-emitter breakdown voltage of 80V, offering additional voltage headroom for applications operating near the 45V specification limit. The DC current gain is higher at 100 @ 150mA, 2V compared to the original 63, which may require circuit evaluation in gain-sensitive applications. The BCP53-16-TP is classified as Active product status with ROHS3 compliance and MSL rating of 1 (Unlimited). This substitute is suitable for designs where the original voltage specification is not a critical constraint and where higher voltage capability provides system-level benefits.

Frequently Asked Questions (FAQ)

Q: Can the GSBCP51-16 be used as a direct replacement for the BCP51-10-TP without circuit modification?

A: Yes. The GSBCP51-16 is a parametric equivalent with identical electrical specifications across all critical parameters including voltage rating (45V), current rating (1A), power dissipation (1.5W), transition frequency (100MHz), DC current gain (63 @ 150mA, 2V), and saturation voltage (500mV @ 50mA, 500mA). The mechanical package (SOT-223) and pin configuration (TO-261-4, TO-261AA) are identical, enabling direct substitution without circuit redesign.

Q: What is the primary difference between the GSBCP51-16 and BCP53-16-TP substitutes?

A: The GSBCP51-16 is a parametric equivalent matching the original 45V collector-emitter breakdown voltage specification. The BCP53-16-TP is a functional substitute with an elevated 80V collector-emitter breakdown voltage rating. Both maintain the same 1A current rating, 1.5W power dissipation, and 100MHz transition frequency. The BCP53-16-TP also features a higher DC current gain of 100 @ 150mA, 2V compared to 63 for the original part.

Q: Are both substitute parts available in the same packaging format as the BCP51-10-TP?

A: Yes. Both the GSBCP51-16 and BCP53-16-TP are supplied in SOT-223 surface mount packages with TO-261-4 and TO-261AA case specifications, matching the original BCP51-10-TP packaging. The GSBCP51-16 is supplied in Tape & Reel (TR) format, and the BCP53-16-TP is also supplied in Tape & Reel (TR) format.

Q: What is the compliance status of the substitute parts?

A: Both substitute parts are ROHS3 compliant and carry a Moisture Sensitivity Level (MSL) rating of 1 (Unlimited), matching the compliance profile of the original BCP51-10-TP. The GSBCP51-16 and BCP53-16-TP both carry REACH Unaffected status where specified.

Q: Why is the BCP51-10-TP classified as Obsolete?

A: The BCP51-10-TP is listed as Obsolete product status. The parametric equivalent GSBCP51-16 and functional substitute BCP53-16-TP are both classified as Active, ensuring continued availability and supply chain support for new designs and production requirements.

Q: Can the BCP53-16-TP be used in applications where the 45V voltage specification is critical?

A: The BCP53-16-TP has a 80V collector-emitter breakdown voltage rating, which exceeds the original 45V specification. In applications where the 45V specification is a critical design constraint, the GSBCP51-16 parametric equivalent is the appropriate selection. The BCP53-16-TP is suitable for applications where higher voltage capability does not create design conflicts.

Q: How does the higher DC current gain of the BCP53-16-TP affect circuit performance?

A: The BCP53-16-TP has a DC current gain (hFE) of 100 @ 150mA, 2V compared to 63 for the BCP51-10-TP. In gain-sensitive applications such as amplifier circuits or switching circuits with tight base current specifications, this difference requires circuit evaluation. The GSBCP51-16 maintains the original gain specification of 63, providing identical gain characteristics.