on November 14th 73

Exploring the BCP56 Transistor: Features, Pinout, and Datasheet

The BCP56 NPN transistor, developed with silicon epitaxial technology, is a reliable component frequently chosen for low-frequency audio amplification and power management applications. Known for its efficiency and thermal stability, the BCP56 effectively delivers enhanced audio clarity and precise power control. This article explores the detailed attributes, pin configuration, and datasheet basic of the BCP56, mostly focusing on ON Semiconductor’s variant, to provide an in-depth understanding of its capabilities and practical applications across various electronic circuits. Whether you're integrating it into audio systems, power regulation circuits, or compact designs, the BCP56’s versatility and durability make it an invaluable asset in modern electronics.

Catalog

Overview of BCP56

The BCP56 signifies a category of low-frequency power amplifier transistors utilizing silicon epitaxial NPN technology, primarily crafted for precision within audio applications. Housed in a SOT−223 package, it optimally supports medium power surface installations, offering enhanced compatibility alongside improved thermal performance in diverse configurations.

Capable of sustaining a collector-emitter voltage (Vceo) of up to 80V. Withstands a collector-base voltage (Vcbo) of 100V. Supports a base-emitter voltage (Vbeo) of 5V. Handles current reaching up to 1A. The DC gain (Hfe) ranges from 25 to 250, signifying its aptitude for providing efficient amplification tailored to various operational requirements. Additionally, the typical current gain bandwidth product (ft) set at 50 MHz ensures dependable function within moderate-frequency circuits. The architectural design of the BCP56, specified by its two N-type semiconductors flanking a P-type semiconductor, facilitates solid current amplification and switching operations. These elements serve major roles within complex electronic circuits.

Pin Configuration

CAD Model

Symbol

Footprint

3D Model

Features

Feature	Description
High Current	1.0 A
Package Type	SOT-223; can be soldered using wave or reflow. Formed leads absorb thermal stress during soldering, eliminating the possibility of damage to the die.
Tape and Reel Availability	Available in 12 mm tape and reel
	- Use BCP56T1G for 7 inch/1000 unit reel
	- Use BCP56T3G for 13 inch/4000 unit reel
PNP Complement	BCP53T1G
Automotive and Special Applications	S and NSV prefix for automotive applications requiring unique site and control change requirements; AEC-Q101 qualified and PPAP capable
Environmental Compliance	Pb-Free, Halogen Free/BFR Free, and RoHS compliant

Technical Specification

Here is the table format for the ON Semiconductor BCP56T1G specifications.

Specification	Detail
Type	Parameter
Lifecycle Status	ACTIVE (Last Updated: 2 days ago)
Factory Lead Time	8 Weeks
Contact Plating	Tin
Mounting Type	Surface Mount
Package / Case	TO-261-4, TO-261AA
Surface Mount	YES
Number of Pins	4
Transistor Element Material	SILICON
Collector-Emitter Breakdown Voltage	80V
Number of Elements	1
hFE Min	40
Operating Temperature	-65°C~150°C TJ
Packaging	Cut Tape (CT)
Published	2005
JESD-609 Code	e3
Pbfree Code	Yes
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	4
ECCN Code	EAR99
Voltage - Rated DC	80V
Max Power Dissipation	1.5W
Terminal Position	DUAL
Terminal Form	GULL WING
Current Rating	1A
Frequency	130MHz
Base Part Number	BCP56
Pin Count	4
Element Configuration	Single
Power Dissipation	1.5W
Case Connection	COLLECTOR
Transistor Application	AMPLIFIER
Gain Bandwidth Product	130MHz
Polarity/Channel Type	NPN
Transistor Type	NPN
Collector Emitter Voltage (VCEO)	80V
Max Collector Current	1A
DC Current Gain (hFE) (Min) @ Ic, Vce	40 @ 150mA 2V
Current - Collector Cutoff (Max)	100nA ICBO
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA
Transition Frequency	130MHz
Max Breakdown Voltage	80V
Collector Base Voltage (VCBO)	100V
Emitter Base Voltage (VEBO)	5V
Max Junction Temperature (Tj)	150°C
Height	1.75mm
Length	6.5mm
Width	3.5mm
REACH SVHC	No SVHC
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free

Functional Diagram

Identification Markings for BCP56

Alternatives

Part Number	Description	Manufacturer
BCP56E6327	Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon	Siemens
BCP56	Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon	Siemens
BCP56,135	TRANSISTOR SMALL SIGNAL TRANSISTOR, BIP General Purpose Small Signal	NXP Semiconductors
BCP56E6433	Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon	Siemens

Applications

Voltage Regulation

The BCP56 transistor holds a notable position in the realm of linear voltage regulators, adeptly managing output voltage with precision. This role becomes especially relevant in situations where sensitive electronic components must be shielded through meticulous voltage regulation. Integration of BCP56 in circuits highlights its smooth, low-noise output, which is valued for providing a stable power supply, even though its efficiency might slightly trail behind switching regulators.

Load Control

In the domain of low-side switches, BCP56 excels at delivering efficient on-off control across a spectrum of loads. This flexibility manifests prominently in applications that call for low-cost, high-frequency switching. It simplifies circuit configurations, facilitating versatile management of components like motors and lamps, maintaining harmony between performance credentials and cost-effectiveness.

Energy-Conscious Battery Applications

When it comes to battery-powered devices, BCP56 showcases its prowess in power management, instrumental in extending battery life while ensuring consistent performance. Portable gadgets and remote sensors benefit greatly from their efficient energy use, demonstrating the need to prioritize components that maintain functionality under diverse conditions while optimizing energy use.

Dynamic Power Regulation

BCP56 asserts its value in power management circuits tasked with adept power flow regulation, major for distributing power to various circuit sections. Practical examples demonstrate BCP56’s role in dynamically adjusting power distribution amidst multiple power rails, enhancing system efficiency, and reducing energy wastage.

Efficient Power Conversion

As a MOSFET driver, the BCP56 aids in controlling more substantial power MOSFETs, major for managing heavy loads in applications like inverters and power supplies. It supports the effective switching of MOSFETs with sufficient gate drive power and minimal delay, proving instrumental in high-density power scenarios.

Enhanced Audio Experiences

In audio amplification, BCP56's capacity to efficiently handle medium power makes it a preferred choice for driving loudspeakers and audio output segments. Its implementation is dominant in enhancing signal fidelity and reducing distortion, ensuring a superior auditory experience, used in audiophile-grade equipment where precision and clarity are dominant.

Adaptability in Compact Designs

BCP56’s suitability extends to medium power surface-mount applications, where its compactness is an asset in tight-space designs. This aspect becomes mostly beneficial for design flexibility and integration in modern electronics, where its capability to manage considerable power within a small footprint is serious in developing next-gen devices, ranging from wearables to sophisticated communication gear.

Package

Manufacturer

ON Semiconductor, trading under the NASDAQ symbol ON is the producer of the BCP56. Their deep-seated commitment to energy efficiency runs through their wide array of power and signal management solutions. The company operates on a global platform, with manufacturing, sales, and design facilities thoughtfully positioned in North America, Europe, and the Asia-Pacific region. This geographic layout not only strengthens a reliable supply chain but also allows adaptation to varied market demands with finesse.

The calculated distribution of facilities transcends mere logistics and enhances their responsiveness to global demand. By maintaining strategic locations in key regions, ON Semiconductor capitalizes on local expertise and insights, nurturing innovation. This widespread presence assures the tailored adaptation of products to local needs, augmenting market reach and customer satisfaction.

Datasheet PDF

BCP56T1G Datasheets:

BCP56 Series.pdf