TIP48 NPN Transistor Pinout Datasheet

Introduction

The TIP48 NPN transistor is a high-voltage, general-purpose bipolar junction transistor (BJT) commonly used in electronic circuits requiring moderate current and high voltage handling capabilities. Designed for switching and amplification, the TIP48 can withstand collector-emitter voltages up to 300V, making it ideal for applications such as power supplies, motor drivers, relay drivers, and high-voltage switching circuits.

TIP48 NPN Transistor Datasheet Pinout — TIP48 NPN Transistor Datasheet

Note: DATASHEET DOWNLOAD button is provided end of this article.

With a maximum collector current (IC) of 1 ampere, and a power dissipation rating of 2 watts (when mounted in a TO-92 package), the TIP48 is suited for low to medium power applications where efficient heat dissipation is possible. Its DC current gain (hFE) ranges between 15 to 75, which provides reliable gain performance in signal amplification circuits. The transistor’s transition frequency (fT) is approximately 3 MHz, ensuring stable operation in moderate-frequency applications.

TIP48 NPN Transistor

The TIP48 comes in a standard TO-92 package, making it compact and easy to integrate into PCB designs or breadboard-based projects. It operates effectively within a wide temperature range from -65°C to +150°C, making it suitable for both consumer and industrial-grade electronic devices. Its robust design allows it to be used in high-voltage DC switching applications where traditional transistors might fail due to breakdown voltages.

In summary, the TIP48 NPN power transistor is a reliable, cost-effective component for use in high-voltage, low to medium current applications. Its electrical characteristics make it a popular choice among engineers and hobbyists looking for a durable transistor for general-purpose switching, signal amplification, or voltage regulation in high-voltage circuits. Whether you’re designing a custom DC power supply, working on automation circuits, or prototyping a power driver module, the TIP48 offers a balance of performance, availability, and ease of use.

TIP48 Pinout

TIP48 NPN Transistor Pinout Datasheet — TIP48 NPN Transistor Pinout

TIP48 Transistor Key Features

High voltage rating – Supports up to 300V collector-emitter voltage.
Moderate current capacity – Handles up to 1A of continuous collector current.
Wide operating temperature range – Operates from -65°C to +150°C.
Low saturation voltage – Ensures efficient switching with minimal voltage drop.
Standard TO-92 package – Compact and easy to use in PCB and breadboard designs.
General-purpose NPN BJT – Suitable for switching and amplification tasks.
Moderate current gain (hFE) – Gain range of 15 to 75 for stable performance.
Reliable in high-voltage circuits – Designed for use in demanding voltage conditions.
Low-cost and widely available – Economical choice for many electronic applications.
Ideal for DIY and professional use – Trusted by hobbyists and engineers alike.

TIP48 Transistor Specifications/Characteristics

Characterstics	Rating (Max)
Type	NPN
Package Type	TO-92
Collector-Emitter Voltage	300 V
Collector-Base Voltage	300 V
Emitter-Base Voltage	5 V
Collector Current (DC)	1:00 AM
Power Dissipation (P_TOT)	2 W (TO-92)
DC Current Gain (hFE)	15–75 @ IC=500mA
Transition Frequency (fT)	3 MHz (typical)
Operating Temperature Range	-65°C to +150°C

TIP48 Specifications Table

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Key Applications of TIP48 NPN Transistor

The TIP48 NPN transistor is widely used in electronic circuits that require high-voltage switching and moderate current handling. Its robust design and versatility make it ideal for applications such as relay driving, motor control, signal amplification, and power regulation. Whether in embedded systems, automation, or prototyping, the TIP48 offers reliable performance in both consumer and industrial-grade projects.

High-voltage switching – Switches loads up to 300V in control circuits.
Relay driving – Controls relays in automation and embedded systems.
Power regulation – Regulates voltage in linear and switch-mode power supplies.
Motor control – Drives small DC motors in electronics and robotics.
Signal amplification – Amplifies low-level analog signals.
Inverter circuits – Used in DC to AC inverter stages.
Microcontroller interfacing – Switches high-voltage loads from low-voltage logic.
Battery-powered systems – Enables efficient power switching in portable devices.
Lighting control – Drives high-voltage LED or incandescent lights.
Prototyping and testing – Commonly used in lab testing and breadboarding.

PNP Complementary Transistor

PNP Complementary of TIP48 Transistor is TIP42.

TIP42 shares similar characteristics with the TIP48 but in PNP polarity.
It also handles comparable voltage and current ratings, making it suitable for use in push-pull amplifier circuits, H-bridges, or complementary switching stages.

If you’re building a circuit that requires a complementary PNP to match the TIP48’s high-voltage capability, TIP42 is the commonly recommended choice.

Equivalent Transistors of TIP48 NPN Transistor

TIP100, TIP101, TIP102, TIP105, TIP106, TIP107, TIP110
(The pinout for certain transistors can vary from that of the TIP48).

Datasheet of TIP48 Transistor

Click the following Button below to download the datasheet of TIP48 Transistor :

Download Datasheet

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