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BC846 Transistor: Alternatives, Pinout, and Datasheet

This article delves into the BC846, a versatile NPN Bipolar Junction Transistor (BJT) known for its compact surface-mount format and robust functionality. Offering a thorough examination of its specifications, technical parameters, and practical applications, the BC846 stands out as a reliable choice for electronic who require a balance of performance and space efficiency in their designs. As we explore its capabilities and diverse applications, we uncover how the BC846 excels in both amplification and switching tasks, adeptly fitting into various electronic circuits and contributing to modern electronic design.

Catalog

1. What is the BC846?

2. BC846 Pin Configuration

3. BC846 Symbol, Footprint, and CAD Model

4. Features of the BC846

5. BC846 Technical Specifications

6. Alternatives of the BC846

7. BC846 Transistor for Voltage Level Adjustments

8. BC846 Physical Layout

9. Applications of the BC846 Transistor

10. BC846 Packaging

11. BC846 Manufacturer Information

What is the BC846?

The BC846 emerges as a versatile NPN Bipolar Transistor, distinctly engineered for surface-mount applications. It finds its place in numerous scenarios including audio frequency input stages and driver tasks. Its performance in switching and amplification is attributed to its proficient SC−70/SOT−323 packaging, ensuring optimal operation in low-power contexts, where reliability and efficiency intertwine harmoniously. In practical scenarios, the BC846 is a staple in audio equipment for input signal processing, meeting stringent benchmarks of reliability. Its SC-70/SOT-323 packaging brings a suite of advantages, particularly in space-limited and power-conscious devices like portable audio systems and other compact electronics. For those driven by energy optimization, the BC846’s efficiency becomes a stunning characteristic. Its capability to sustain notable performance while minimizing energy consumption aligns with the growing demand for sustainable and eco-friendly electronics, in a sector increasingly valuing energy conservation and environmental responsibility.

BC846 Pin Configuration

BC846 Pinout

Pin Number	Name	Description
2	Emitter	The emitter's primary function is injecting charge carriers into the base. It is generally connected to a lower potential in NPN transistors like the BC846. Proper grounding of the emitter fosters an efficient current flow throughout the transistor.
1	Base	As the control terminal, the base governs the transistor. A small current here can influence the larger current between the collector and emitter, serving as a point for amplification. Even slight input adjustments can induce substantial output variations.
3	Collector	Serving as the connection to the main current pathway, the collector is often linked to a higher potential. It is tasked with managing the heat generated during the transistor's operation. Adequate heat dissipation at this terminal is need for preserving performance under high-power scenarios.

BC846 Symbol, Footprint, and CAD Model

BC846 Symbol

BC846 Footprint

BC846 CAD Model

Features of the BC846

Suited for Automated Assembly Lines

Crafted with precision, the BC846 integrates effortlessly into automated assembly processes, streamlining efficiency and trustworthiness in production settings. Its sleek design aligns seamlessly with high-speed manufacturing technologies, curbing assembly duration. Observations in practical settings reveal that automated systems leveraging components such as the BC846 attain remarkable throughput, drastically reducing the necessity for intervention, curbing potential miscalculations.

Versatile Complementary PNP Options

The NPN transistor offers versatile PNP counterparts, specifically BC856 – BC858, catering crafting a variety of circuit designs. This complementary configuration allows for numerous applications, such as push-pull amplifier stages, supporting the attainment of balanced signal amplification. The deliberate incorporation of these complementary transistors often yields enhanced performance and stability within audio amplifier designs.

Crafted for Switching and Audio Frequency Amplification

Skillfully designed, the BC846 supports efficient switching and audio frequency amplification. Its capabilities serve a broad spectrum of electronic gadgets, ensuring precision in signal processing duties. When integrated, the transistor reliably delivers, evidencing its steadfastness in audio systems where top-tier signal amplification plays a role in satisfaction.

100% Lead-Free with RoHS Compliance

As a fully lead-free component conforming to RoHS standards, the BC846 shows a commitment to minimizing environmental impacts and safeguarding safety. These standards have increasingly motivated industry leaders to favor components like the BC846, which resonate with global sustainability and regulatory aspirations. There is a discernible trend in electronic manufacturing towards opting for lead-free components, aligning with consumer safety expectations and diminishing the environmental imprint of production.

Free from Halogen and Antimony - Eco-Conscious Design

Comprising no halogen or antimony, the BC846 aligns with eco-friendly initiatives within the electronics sector. Employment of non-toxic materials signifies a thoughtful approach to sustainable manufacturing, paving the way for wider adoption of green technology.

Adheres to AEC-Q101 Standards for Reliability Enhancement

Complying with AEC-Q101 standards, the BC846 represents superior reliability in automotive and industrial uses. This certification guarantees quality and robustness, under demanding conditions. The practical application in automotive systems illustrates the component's proven capacity to uphold operational stability and safety, an important deliberation for operating in these spheres.

Accommodates PPAP Documentation for Production Quality Assurance

The provision of Production Part Approval Process (PPAP) documentation verifies that the BC846 aligns with rigorous production and quality standards. This documentation is a valuable asset for manufacturers aiming to standardize product quality amidst variable operational scopes. Enterprises engaged in substantial production frequently endorse PPAP-documented components to systematically uphold quality standards and mitigate risks associated with supply chain operations.

BC846 Technical Specifications

Technical characteristics, features, and parameters of Diodes Incorporated BC846, along with parts similar to the BC846A-7-F.

Type	Parameter
Factory Lead Time	15 Weeks
Mount	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
Weight	7.994560mg
Collector-Emitter Breakdown Voltage	65V
hFE Min	200
Packaging	Tape & Reel (TR)
JESD-809 Code	e3
Part Status	Active
Number of Terminations	3
Additional Feature	HIGH RELIABILITY
Terminal Position	DUAL
Peak Reflow Temperature (Cel)	260
Time@Peak Reflow Temperature-Max (s)	40
Pin Count	3
Power Dissipation	310mW
Contact Plating	Tin
Mounting Type	Surface Mount
Number of Pins	3
Transistor Element Material	SILICON
Number of Elements	1
Operating Temperature	-85°C~150°C TJ
Published	2011
Pbfree Code	yes
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN Code	EAR99
Max Power Dissipation	300mW
Terminal Form	GULL WING
Frequency	300MHz
Base Part Number	BC846
Element Configuration	Single
Transistor Application	SWITCHING
Gain Bandwidth Product	300MHz
Transistor Type	NPN
Max Collector Current	100mA
Current - Collector Cutoff (Max)	15nA
Transition Frequency	300MHz
Collector Base Voltage (VCBO)	80V
Max Junction Temperature (Tj)	150°C
Length	3.05mm
REACH SVHC	No SVHC
RoHS Status	ROHS3 Compliant
Polarity/Channel Type	NPN
Collector Emitter Voltage (VCEO)	65V
DC Current Gain (hFE) (Min) @ Ic, Vce	110 @ 2mA 5V
Vce Saturation (Max) @ Ib, Ic	600mV @ 5mA, 100mA
Max Breakdown Voltage	65V
Emitter Base Voltage (VEBO)	6V
Height	1.1mm
Width	1.4mm
Radiation Hardening	No
Lead Free	Lead Free

Alternatives of the BC846

Part Number	Description	Manufacturer
BC846A,235	BC846 series - 65 V, 100 mA NPN general-purpose transistors TO-236 3-Pin	NXP Semiconductors
BC846ATC	Small Signal Bipolar Transistor, 0.1A I(C), 65V V(BR)CEO, 1-Element, NPN, Silicon	Zetex / Diodes Inc
BC846A-7-F	Surface Mount, Collector Emitter Breakdown 65 V, Max Collector Current 100 mA, Transition Frequency 300 MHz, hFE Min 200, Max Power Dissipation 300 mW	Diodes Incorporated
BC846AMTF	Surface Mount, Collector Emitter Breakdown 65 V, Max Collector Current 100 mA, Transition Frequency 300 MHz, hFE Min 110, Max Power Dissipation 310 mW	ON Semiconductor
BC846CMTF	Surface Mount, Collector Emitter Breakdown 65 V, Max Collector Current 100 mA, Transition Frequency 300 MHz, hFE Min 200, Max Power Dissipation 300 mW	ON Semiconductor
BC846B-7-F	Surface Mount, Collector Emitter Breakdown 50 V, Max Collector Current 100 mA, Transition Frequency 30 MHz, hFE Min 200, Max Power Dissipation 350 mW	Diodes Incorporated
MMBT5210	Surface Mount, Collector Emitter Breakdown 65 V, Max Collector Current 100 mA, Transition Frequency 300 MHz, hFE Min 110, Max Power Dissipation 310 mW	ON Semiconductor

BC846 Transistor for Voltage Level Adjustments

BC846 Transistor Circuit

The BC846 transistor plays a role in this circuit, adeptly transforming voltage levels from 3V-50V to 2.8V. This adjustment is need for maintaining device performance within specific voltage limits, thereby ensuring smooth operation while safeguarding against potential harm. The innovative setup of Q1 is strategically designed to stay inactive without an input signal. This inactivity is achieved with the calculated arrangement of resistor R2, which connects to Q1's base through PNP open-collector outputs. The focus here is on energy efficiency, not rapid operation.

When choosing components, practicality guides the selection of resistors R1 and R2, with values of 1MΩ and 10MΩ, respectively. This provides an effective compromise between responsiveness and stability. High resistance values keep current draw low, conserving energy, a boon for battery-driven devices. This setup, often results in better longevity and reliability of electronic components.

In addition, it is wise to evaluate thermal properties and environmental resilience when selecting components for circuits with transistors. Using components that can withstand higher temperatures helps prevent unforeseen shutdowns or malfunctions. With meticulous design and component choice, enhanced efficiency and performance can be realized in electronic systems using the BC846 transistor for voltage level adjustments.

BC846 Physical Layout

Applications of the BC846 Transistor

General-Purpose Switching

The BC846 transistor, a pillar of reliability in general-purpose switching, finds its place in a variety of applications across electronics and telecommunications. By facilitating effective switching, it boosts both device performance and longevity, an aspect that resonates striving to enhance electronic circuits. Notably, its contributions to power consumption reduction add a layer in today’s push towards sustainable solutions.

Amplification in Audio Frequency Use

Central to audio frequency applications, the BC846 ensures stable amplification, a feature that improves sound clarity and fidelity. In practical scenarios, minute variances in sound reproduction can set apart high-performance systems, underscoring the role of component choices in amplification tasks.

Role in Power Management Strategies

The BC846 transistor impacts power management strategies by fostering the development of energy-efficient systems. Its reliability and adeptness in managing power flows shape its contribution to contemporary energy solutions, especially within the renewable energy sphere. Practical examples from this field highlight how informed component choices can lead to notable energy conservation and enhance system sustainability.

Applicability in Various Industrial Functions

The BC846's applicability stretches across diverse functions, such as motor control and automated systems management. Its robustness supports complex procedures, showcasing its ability to endure the strenuous demands of industrial settings. When integrating such components, in-depth knowledge of their thermal properties and load capacities is good for ensuring peak performance in varying operational circumstances.

BC846 Packaging

BC846 Package

BC846 Manufacturer Information

Diodes Incorporated emerges as a prominent player in the world of discrete and mixed-signal semiconductor industries. They skillfully meet electronic desires by delivering inventive solutions across telecommunications, automotive, and industrial sectors. With offerings that include transistors, rectifiers, and comprehensive power management solutions, they reveal a pursuit of quality intertwined with technological progress. Through the merger of insightful analysis with forward-thinking strategies, Diodes Incorporated sets an exemplary standard by bridging traditional semiconductor manufacturing with the rapidly shifting necessities of contemporary technology. Journeying along such an innovative path supports prosperity within the fast-paced modern market environment.

Datasheet PDF

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