on November 14th 79

TIP142 Transistor: Pinout, Equivalent, and Datasheet

This article explores the TIP142, a power Darlington transistor renowned for its efficiency and exceptional current gain capabilities. Ingeniously designed to house two transistors in a single package, this device simplifies the assembly process while enhancing current handling, making it a prime choice for power-demanding applications. By combining functionality and reliability, the TIP142 stands out as a preferred solution aiming to reduce component count while optimizing performance.

Catalog

What is the TIP142?

The TIP142 transistor is built with advanced technology and features a unique design that improves its performance. It uses what's called a "base island" structure and a Darlington configuration, which work together to provide strong amplification and keep power loss low. Thanks to its advanced design, the TIP142 is stable and reliable, making it a great choice for tasks that need consistent performance in different environments. The "base island" layout helps create a smoother electrical flow, cutting down on interference and energy waste. Over time, this design has proven to extend the lifespan and effectiveness of the component in different uses. The Darlington configuration combines two transistors in one package, allowing for higher current output and improving efficiency. This setup simplifies circuit design by reducing the number of parts, which often leads to fewer failures and saves space in the design. With its high amplification abilities, the TIP142 can boost current with very little input, which makes it useful for those who want efficient circuits. The TIP142's low saturation voltage helps it reduce power loss, which is important for energy-efficient applications. This aligns well with the growing focus on sustainability, as efficient power use is now a key goal in technology design.

TIP142 Pin Configuration

TIP142 Symbol, Footprint, and CAD Model

Features of the TIP142

• Voltage: Can handle up to 100V between collector and emitter, and 5V between emitter and base. This makes it reliable for high-voltage applications.

• Current: Supports up to 10A, which is useful for high-current circuits like power amplifiers and motor control.

• Power Dissipation: Can dissipate 125W of power, so it needs proper cooling (like a heat sink) to avoid overheating.

• Temperature Range: Works in temperatures from -65°C to +150°C, so it’s suitable for harsh environments.

• Design & Amplification: Comes in a TO-247 package for easy mounting, and has a high current gain (1000), which amplifies signals effectively.

Applications of the TIP142

Signal Processing

In the signal processing, systems often demand components adept at managing fluctuating voltages and currents. The TIP142 excels here, playing a role in amplifiers and signal modulation devices, where effective processing is an art for performance.

Power Management

Power management systems are areas where the TIP142 shines in its effectiveness at power conversion and regulation. This transistor does not just ensure stable performance; it acts as a guardian of power supply units. Crafting systems that require steady power flows in diverse and ever-changing conditions.

Portable Gadgets

Smartphones, tablets, and other portable gadgets reap the rewards of the TIP142’s energy management capabilities. This component helps extend battery life and boost the longevity of devices. Others relay on such advancements to push the boundaries of compact power management, embracing both the challenges and thrills of miniaturization-driven innovation.

Consumer Electronics

The TIP142 graces consumer electronics, from televisions to home appliances. Its durability contributes to reducing component failure rates, introducing a harmony of performance and cost-effectiveness.

Industrial Machinery

When it comes to industrial machinery, resilience is key, as these components face challenging environments and demanding cycles. The TIP142 is a go-to choice for motor control circuits and power regulation. It provides insights into improving machinery efficiency and minimizing downtime by enduring the grind of industrial demands.

Equivalent for the TIP142 Transistor

• 2SD1197

• 2SD2390

• 2SD2390-O

• 2SD2390-P

• 2SD2390-Y

• BDV65B

• BDV65BG

• BDV67B

• BDV67C

• BDV67D

• TIP142G

Test Circuit of the TIP142

Building a simple test circuit to switch a load with a TIP142 NPN transistor is a good way to start checking how the circuit will perform. To put together this test setup, you'll need a TIP142 transistor, a resistor that matches the expected current and power levels, a power supply, and tools like an oscilloscope and a multimeter. Start by carefully following a circuit diagram to assemble everything. Then, gradually increase the load to see how the transistor responds, simulating conditions. This approach helps you find the limits of the circuit and spot any issues that might cause it to fail. After testing, review the results, focusing on things like current gain, saturation voltage, and heat. This helps you see patterns that could affect how you design the circuit.

TIP142/TIP147 Power Amplifier

The power amplifier provides strong performance, delivering 100 watts of continuous power at 8 ohms and 150 watts at 4 ohms. It can drive 12-inch speakers suited for mid-range, midbass, and subwoofer sounds. The amplifier uses TIP142 and TIP147 transistors in a special NPN/PNP Darlington setup to boost power. In the buffer and driver section, it uses a BC556AP PNP transistor and a TIP41 NPN transistor. For best results, it's suggested to pair the TIP41 transistor with a heat sink and a thermal switch.

TIP142 Technical Specifications

Type	Parameter
Factory Lead Time	8 Weeks
Mounting Type	Through Hole
Number of Pins	3
Transistor Element Material	SILICON
Number of Elements	1
Operating Temperature	150°C TJ
JESD-609 Code	e3
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Termination	Through Hole
Terminal Finish	Tin (Sn)
Max Power Dissipation	125W
Base Part Number	TIP142
Polarity	NPN
Power Dissipation	125W
Transistor Type	NPN - Darlington
Mount	Through Hole
Package / Case	TO-247-3
Weight	6.500007g
Collector-Emitter Breakdown Voltage	100V
hFE Min	500
Packaging	Tube
Part Status	Active
Number of Terminations	3
ECCN Code	EAR99
Voltage - Rated DC	100V
Current Rating	10A
Pin Count	3
Element Configuration	Single
Transistor Application	SWITCHING
Collector Emitter Voltage (VCEO)	100V
Max Collector Current	10A
Current - Collector Cutoff (Max)	2mA
Collector Base Voltage (VCBO)	100V
VCEsat-Max	3 V
Length	15.75mm
REACH SVHC	No SVHC
RoHS Status	ROHS3 Compliant
DC Current Gain (hFE) (Min) @ Ic, Vce	1000 @ 5A 4V
Vce Saturation (Max) @ Ib, Ic	3V @ 40mA, 10A
Emitter Base Voltage (VEBO)	5V
Height	20.15mm
Width	5.15mm
Radiation Hardening	No
Lead Free	Lead Free

Package for TIP142

TIP142 Manufacturer Information

STMicroelectronics is a leading figure in the semiconductor sphere, known for developing cutting-edge microelectronics solutions. Utilizing advanced technology alongside substantial manufacturing capabilities, the company offers a vast array of pioneering products. Its pursuit of technological improvement and superior engineering propels the progression of semiconductors, deeply embedded in contemporary electronics. This company's prowess is evident in its development of intricate semiconductor solutions for numerous electronic uses. Through substantial investment in research and development, STMicroelectronics consistently expands the frontiers of microelectronics, empowering clients to optimize efficiency, speed, and performance across various sectors. The elegant mixture of advanced materials and methodologies manifests in everyday gadgets, subtly yet enhancing satisfaction. STMicroelectronics' manufacturing robustness stems from a worldwide network of facilities outfitted with cutting-edge manufacturing technologies. This setup enables scalability, adaptability, and steadfastness, ensuring uniformity and high standards across product lines.

Datasheet PDF

TIP142 Datasheets:

TIP142, TIP147.pdf

TIP140-142, TIP145-147.pdf

Mult Dev Adv Material Notice 8/Apr/2019.pdf

IPG-PWR/14/8674 02/Sep/2014.pdf