What are the key features of ON Semiconductor BCP51?

This product belongs to the Bipolar Transistors - BJT category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by ON Semiconductor with full traceability.

What are the main application scenarios for BCP51?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

This device follows established Bipolar Transistors - BJT design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of BCP51?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for BCP51?

The global Bipolar Transistors - BJT market is growing at ~6-8% CAGR, with particularly strong demand in power management. ON Semiconductor BCP51 is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of BCP51?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, ON Semiconductor provides full technical support and reference designs.

BCP51 Bipolar Transistors - BJT SOT-223 PNP GP AMP by ON Semiconductor

BCP51 | ON Semiconductor Bipolar Transistors - BJT SOT-223 PNP GP AMP

Category: Bipolar Transistors - BJT

Brand: ON Semiconductor

Bipolar Transistors - BJT SOT-223 PNP GP AMP

Stock: On request

Inquire Now

Product Details

PDF Datasheet

Technical Docs

Description: Bipolar Transistors - BJT SOT-223 PNP GP AMP

Technical Parameters

Category	Bipolar Transistors - BJT
Collector Current	1.5 A
Collector Emitter Saturation Voltage	0.5 V max
Configuration	Single
Description	Bipolar Transistors - BJT SOT-223 PNP GP AMP
Hfe	hFE 40-250
Manufacturer	onsemi
Mounting Style	Surface Mount
Package Type	SOT-223
Packaging	Reel
Polarity	NPN
Power Dissipation	2.2 W
Product Type	Chip Resistor
Standard Pack Qty	4000
Temperature Range	-65 to +150 C
Thermal Resistance	Rth j-amb 62.5 K/W
Transistor Type	BJT
Transition Frequency	50 MHz
Vceo	45 V

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

Datasheet not available online yet.

Can't find the datasheet you need? Contact our sourcing team and we'll help locate the official documentation from the manufacturer or our supply channels.

Request now →

PCB Footprint (.pcb)

3D Model (.stp)

Schematic Symbol (.sch)

DXF Drawing

BCP51 Application and Selection Guide

BCP51 Model and Manufacturer Information

BCP51, a Bipolar Transistors - BJT manufactured by onsemi: BCP51 helps you confirm the specific model, while onsemi helps you confirm the product source. If you are selecting a part, you can first check whether BCP51 meets your requirements, then check whether onsemi matches your expectations, and then refer to Bipolar Transistors - BJT SOT-223 PNP GP AMP for further evaluation.

BCP51 Product Parameters and Description

The main parameters of onsemi's Bipolar Transistors - BJT product BCP51 include Bipolar Transistors - BJT SOT-223 PNP GP AMP. This is a Bipolar Transistors - BJT produced by onsemi, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

BCP51 Application and Selection Reference

onsemi's Bipolar Transistors - BJT product BCP51 has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, BCP51 is a Bipolar Transistors - BJT solution worth considering, and manufacturer onsemi provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for BCP51

Designers looking for BCP51 recommended parts can evaluate the following options. BCP51 selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
BC547BG	ON Semiconductor	TRANS NPN GP 100MA 45V TO92
BC337G	ON Semiconductor	TRANS NPN GP 800MA 45V TO92
BD139G	ON Semiconductor	TRANS NPN 1.5A 80V HPWR TO225AA

EZKEY can provide BCP51 recommended part comparison data and engineering samples for evaluation.