on October 18th 222

Understanding the TIP42C Power Transistor: Pinout, Datasheet Breakdown, and Usage

The TIP42C is a robust PNP power transistor, renowned for its reliable performance in power amplification and switching applications. Encased in a TO-220 package, it incorporates advanced base island technology, optimizing efficiency and heat dissipation. This design makes the TIP42C an ideal choice for high-power circuits, especially in audio amplifiers and power management systems. With its ability to handle up to -100V and -6A, the TIP42C excels in delivering stable, long-lasting operation under demanding conditions, making it a preferred option for both consumer and industrial applications.

Catalog

TIP42C Overview

The TIP42C embodies a PNP power transistor housed in a TO-220 plastic package. This series includes four variations: TIP42, TIP42A , TIP42B, and TIP42C. The TIP42C stands out for its voltage capacity, able to handle up to -100V, offering exceptional versatility for numerous switching and amplification uses. Its frequent pairing with the NPN counterpart, the TIP41C, further emphasizes its balanced application in electronic designs.

Designed to dissipate up to 65W and manage a maximum collector current of -6A, the TIP42C is favored in power-intensive contexts. Typical utilizations include audio amplifiers, where sound clarity is dominant, and power management systems, ensuring consistent energy flow. Drawing from practical uses, the TIP42C's stability in varying temperature conditions makes it invaluable for switching regulators within power supply units. The TO-220 package augments its heat dissipation, significantly prolonging its operational life, a trait treasured in both consumer electronics and industrial machinery.

When a system demands complementary transistor pairs, the TIP42C combined with the TIP41C emerges as an excellent choice. This synergy simplifies circuit design while boosting overall performance. This pairing enhances sound quality in audio amplification circuits, a subtle yet impactful improvement in audio technology. In the TIP42 series, the TIP42C's notable higher voltage capacity makes it ideal for high-voltage applications. On the other hand, for projects with lower voltage needs, the TIP42 and TIP42A might suffice. However, for more strenuous demands, the TIP42B and TIP42C are the go-to options. Each variation carries unique attributes suitable for specific requirements, making the selection process both serious and fascinating.

TIP42C Pin Configuration

Pin No.	Pin Name	Description
1	Base	Controls the biasing of the transistor and is used to turn on/off the transistor
2	Collector	Where the current flows in, normally connected to load
3	Emitter	Where the current flows out, normally connected to ground

CAD Model OF TIP42C

Detailed Schematic Symbol

Precision PCB Footprint

Immersive 3D Representation

Core Features of TIP42C

Feature	Specification
Transistor Type	PNP
Package Type	TO-220
Max Collector Current (IC)	-6A
Max Collector-Emitter Voltage (VCE)	-100V
Max Collector-Base Voltage (VCB)	-100V
Max Emitter-Base Voltage (VEBO)	-5V
Max Collector Dissipation (Pc)	65 Watts
Max Transition Frequency (fT)	3 MHz
DC Current Gain (hFE)	15 - 75
Max Storage & Operating Temperature	-65 to +150°C

Advantages of TIP42C

Complementary Design

The TIP42C series introduces a PNP-NPN complementary design, markedly boosting circuit efficiency and performance. Complementary pairs, such as those found in this series, facilitate seamless operation in both amplification and switching scenarios, thereby reducing the need for extra components and streamlining circuit layouts.

High-Speed Switching

A striking benefit of the TIP42C series lies in its high-speed switching capability. This feature supports rapid state transitions with minimal delay, ideal for applications demanding quick response times like motor control and signal processing. The component's ability to switch swiftly enhances overall system efficiency and reliability, making it a favored choice for power supply circuits that require stable and efficient operation.

Improved hFE Linearity

The TIP42C series stands out for its improved hFE linearity. Elevated linearity in the current gain (hFE) ensures consistent amplification properties over a diverse range of operating conditions. This reliability translates into more predictable and stable performance, especially active for analog signal processing and precision instrumentation. In practical applications, this means operational amplifiers and analog circuits can achieve high fidelity, maintaining the integrity of the signals they process.

Grouped hFE

TIP42C transistors feature grouped hFE values, categorized based on their current gain range. This provides an advantage in applications necessitating matched pairs by simplifying the design process and cutting down on individual testing efforts. Grouped hFE values ensure that paired transistors function uniformly, a settling aspect in differential amplifier designs and other symmetrical circuitry configurations.

Technical Specifications

Type	Parameter
Lifecycle Status	ACTIVE (Last Updated: 8 months ago)
Factory Lead Time	8 Weeks
Mount	Through Hole
Mounting Type	Through Hole
Package / Case	TO-220-3
Number of Pins	3
Weight	4.535924g
Transistor Element Material	SILICON
Collector-Emitter Breakdown Voltage	100V
Number of Elements	1
hFEMin	15
Operating Temperature	150°C TJ
Packaging	Tube
JESD-609 Code	e3
Part Status	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	3
ECCN Code	EAR99
Terminal Finish	Matte Tin (Sn)
Voltage - Rated DC	-100V
Max Power Dissipation	65W
Current Rating	-6A
Base Part Number	TIP42
Pin Count	3
Element Configuration	Single
Power Dissipation	65W
Transistor Application	SWITCHING
Gain Bandwidth Product	3MHz
Polarity/Channel Type	PNP
Transistor Type	PNP
Collector Emitter Voltage (VCEO)	100V
Max Collector Current	6A
DC Current Gain (hFE) (Min) @ Ic, Vce	15 @ 3A 4V
Current - Collector Cutoff (Max)	700μA
JEDEC-95 Code	TO-220AB
Vce Saturation (Max) @ Ib, Ic	1.5V @ 600mA, 6A
Transition Frequency	3MHz
Collector Base Voltage (VCBO)	100V
Emitter Base Voltage (VEBO)	5V
Height	15.75mm
Length	10.4mm
Width	4.6mm
REACH SVHC	No SVHC
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free

Functional Equivalents of TIP42C

Part Number	Description	Manufacturer
2N2646-JQR-AR1	Power Bipolar Transistor, 10A (IC), 70V V(BR)CEO, 1-Element, PNP, Silicon, TO-204AA, Metal, 2 PIN, Hermetic Sealed, Metal, TO-3, 2 PIN	TT Electronics Resistors
2N2646-MODR1	10A, 70V, PNP, SI, Power Transistor, TO-204AA, Hermetic Sealed, Metal, TO-3, 2 PIN	TT Electronics Power and Hybrid / Semelab Limited
BUX66	Transistor	General Electric Solid State
JAN2N6212	Transistor, BJT, PNP, 300V (BR)CEO, 2A IC, TO-66	Intersil Corporation
MJ2500	Medium Power Transistors Complementary Silicon	New Jersey Semiconductor Products Inc
2N4240R1	5A, 300V, NPN, SI, Power Transistor, TO-66, TO-66, 2 PIN	TT Electronics Power and Hybrid / Semelab Limited
2N2647	Transistor	API Technologies Corp
2N2647-JQR-B	Power Bipolar Transistor, 10A (IC), 90V V(BR)CEO, 1-Element, PNP, Silicon, TO-204AA, Metal, 2 PIN, Hermetic Sealed, Metal, TO-3, 2 PIN	TT Electronics Resistors
2N6313-MOD	5A, 600V, PNP, SI, Power Transistor, TO-213AA, Hermetic Sealed, Metal, TO-66, 2 PIN	TT Electronics Power and Hybrid / Semelab Limited
JAN2N6211	Power Bipolar Transistor, 2A (IC), 225V V(BR)CEO, 1-Element, PNP, Silicon, TO-66, Metal, 2 PIN, TO-66, 2 PIN	Microsemi Corporation

Complementary NPN Transistor

•TIP41C Transistor

The TIP41C transistor is designed to handle a collector-emitter voltage (Vce) of up to 100V. It is capable of managing a collector current (Ic) of 6A without compromising performance. This transistor can dissipate power up to 65W, making it suitable for applications where heat management is a concern. The TIP41C has a junction temperature (Tj) that can reach up to 150°C, offering reliability under substantial thermal stress.

Operating within a storage temperature range from -65°C to 150°C, the TIP41C can endure harsh conditions. Its robust construction ensures functionality in a variety of demanding environments. Audio Amplification and Signal Processing. The TIP41C transistor often finds its use in audio amplification systems, where it contributes to the clarity and power of sound. In motor control applications, it assists in regulating motor speed, providing a smooth and efficient transition between motor states. This capability closely aligns with its current handling properties. The TIP41C serves in relay drivers due to its ability to switch and control high-current loads efficiently. Its power management abilities ensure consistent performance.

When integrating the TIP41C into a circuit, consider the appropriate heat sink to prevent overheating, which could affect performance and lifespan. Pay attention to its saturation voltage (Vce(sat)) and switching times (ton and toff) when designing circuits that require rapid switching, as these parameters influence overall efficiency and speed. Proper biasing is required to maintain the TIP41C’s stability in various operational conditions. Assess the external resistors and capacitors to ensure reliable performance.

Applications for TIP42C

The TIP42C finds extensive usage in high-power applications within electronic circuits, adeptly managing up to -6A collector current and -100V collector-emitter voltage.

Power Switching and Control

Owing to its considerable current and voltage management capabilities, the TIP42C is a good choice for driving high-power switches and relays. These applications include motor control systems where the precision of power delivery to the motor can significantly affect performance. For instance, in industrial automation, the operation of heavy machinery often depends on transistors to handle high loads without succumbing to overheating or failure.

High Power Audio Amplifiers

The TIP42C is also effective in powering high-wattage audio amplifiers, enabling audio amplification up to 65W. This ensures clear and powerful sound output, which is suitable for consumer audio systems. For example, the robust amplification provided by these transistors is dangerous in live concert sound systems, ensuring audio signals are boosted without distortion.

General Circuits

TIP42C finds extensive use in general circuit designs due to its characteristic as a PNP bipolar junction transistor. Its resilience allows it to adeptly handle a broad array of voltage and current levels, thus boosting circuit stability. When employed in common emitter configurations, it contributes significantly to the amplification of voltage signals.

Battery Chargers

In battery charging applications, TIP42C is basic for regulating charging voltage and current, ensuring the process is both quick and secure. Observations from actual applications highlight thermal management as insistent for maintaining consistent performance over prolonged periods.

Darlington Pair Configurations

TIP42C finds effective use in Darlington pair configurations to obtain higher current gain. This arrangement amplifies input currents markedly, making it suitable for applications demanding superior current amplification. Utilizing heat sinks in practical implementations aids in maintaining operational stability and prolongs the device's lifespan.

TIP42C Packaging

Package Dimensions

Mechanical Specifications

Dim	mm			inch
	Min	Typ	Max	Min	Typ	Max
A	4.4		4.6	0.173		0.181
b	0.61		0.88	0.024		0.034
b1	1.14		1.7	0.044		0.066
c	0.49		0.7	0.019		0.027
D	15.25		15.75	0.6		0.62
D1		1.27			0.05
E	10		10.4	0.393		0.409
e	2.4		2.7	0.094		0.106
e1	4.95		5.15	0.194		0.202
F	1.23		1.32	0.048		0.051
H1	6.2		6.6	0.244		0.256
J1	2.4		2.72	0.094		0.107
L	13	14		0.511	0.551
L1	3.5		3.93	0.137		0.154
L20		16.4			0.645
L30		28.9			1.137
ØP	3.75		3.85	0.147		0.151
Q	2.65		2.95	0.104		0.116

Manufacturer Information

STMicroelectronics is a pioneer in semiconductor innovation, excelling mostly in System-on-Chip (SoC) technology. The company offers a diverse array of silicon and system solutions to cater to varied microelectronics applications.

Renowned for its SoC technology, STMicroelectronics integrates multiple functions into a single chip, boosting efficiency and performance. In the fast-paced technological landscape, compact and reliable processing units are coveted. Through continuous innovation and adaptation, STMicroelectronics ensures their SoC solutions rise to the occasion, reflecting the wisdom gained through years of experience.

STMicroelectronics provides a broad spectrum of silicon solutions in microcontrollers, analog and mixed-signal components, sensors, and power ICs. These elements are key in the creation of advanced electronic systems, promoting seamless integration and optimal functionality. Their system solutions embody a deep understanding of hardware and software interactions, which allows their products to perform admirably in a variety of settings. STMicroelectronics’ vast intellectual property (IP) portfolio signifies its commitment to continuous innovation. This wealth of patents and proprietary technologies empowers the company to deliver unique and up-to-date solutions. By strategically leveraging their IP assets, they offer distinct advantages in product development, much like utilizing accumulated expertise to foster ongoing innovation.

STMicroelectronics’ strong manufacturing capabilities ensure consistent product quality and dependability. Utilizing state-of-the-art facilities and stringent quality control measures, each product meets exacting industry standards. The adoption of advanced manufacturing techniques and a culture of continuous improvement enables the company to sustain its competitive edge in the semiconductor market.

Datasheet PDF

TIP42C Datasheets:

TIP4(1,2)C.pdf

TIP41C Datasheets:

TIP4(1,2)C.pdf

TIP42A Datasheets:

TIP41A, TIP42A.pdf

Frequently Asked Questions [FAQ]

1. What is TIP42C?

The TIP42C is a silicon-based PNP power transistor, lauded for its efficiency in both amplification and switching applications. Its serious electrical characteristics include a 100V voltage tolerance across both collector-emitter and base-collector terminals. This transistor's versatility positions it as a favored option in numerous electronic circuits.

2. How to ensure TIP42C longevity in circuits?

Ensuring the TIP42C's longevity in circuits involves adhering to various best practices are appropriate thermal management is ultimate. Utilizing a well-suited heatsink can notably reduce overheating risks. An adequate base resistor is requisite for controlling the base current, thereby preventing unnecessary power dissipation. It is prudent to avoid exceeding -6A and -100V load limits to prevent electrical stress, which could undermine the transistor's integrity. Maintaining operating conditions at least 20% below the maximum ratings is a wise approach. This buffer can extend the component's lifespan and bolster overall reliability. Practical experience in electronics demonstrates that conservative operational margins promote both component longevity and system stability. Also, ensuring that storage and operating temperatures remain within the -65°C to +150°C range is vital for preserving the transistor's silicon structure.