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2SD1781KT146R

Name: 2SD1781KT146R
Rating: 4.7 (12 reviews)

TRANS NPN 32V 0.8A SMT3

製造商
製造商。部分 #2SD1781KT146R
包 TO-236-3, SC-59, SOT-23-3
資料表 2SD1781KT146R DataSheet
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規格

Supplier	Rohm Semiconductor
Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
TransistorType	NPN
Current-Collector(Ic)(Max)	800 mA
Voltage-CollectorEmitterBreakdown(Max)	32 V
VceSaturation(Max)@IbIc	400mV @ 50mA, 500mA
Current-CollectorCutoff(Max)	500nA (ICBO)
DCCurrentGain(hFE)(Min)@IcVce	180 @ 100mA, 3V
Power-Max	200 mW
Frequency-Transition	150MHz
OperatingTemperature	150°C (TJ)
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

概述

Description

The 2SD1781KT146R is a high-performance NPN transistor commonly used in various electronic applications, including audio amplifiers, switching circuits, and power management. It features a high current-carrying capability, low saturation voltage, and fast switching speeds, making it suitable for both low and high-frequency applications. Typically housed in a TO-220 package, it has good thermal dissipation properties.
Key specifications include a maximum collector current (Ic) of around 8A and a maximum collector-emitter voltage (Vce) of 60V. The transistor is often used in conjunction with other components to create efficient circuit designs. Its robustness and reliability make it a popular choice among engineers and hobbyists alike.
When implementing the 2SD1781KT146R, it is essential to consider its thermal management and operating conditions to ensure optimal performance and longevity of the device. Proper biasing and circuit design are crucial for achieving the desired functionality in applications.

Features

The 2SD1781KT146R is a NPN power transistor designed for medium power applications. Key features include:
1. Voltage Rating: Maximum collector-emitter voltage (Vce) typically around 60V.
2. Current Rating: Continuous collector current (Ic) capability of up to 8A.
3. Power Dissipation: High power dissipation capability, typically rated at 50W.
4. Gain: Offers a high current gain (hFE), usually in the range of 50 to 300, depending on the collector current.
5. Package Type: Usually comes in TO-220 or similar packages, suitable for heat sink attachment.
6. Switching Speed: Designed for moderate switching speed, making it suitable for applications like amplifiers and switching power supplies.
7. Temperature Range: Operates effectively within a wide temperature range, enhancing reliability in various environments.
These characteristics make the 2SD1781KT146R suitable for applications in audio amplifiers, motor drives, and other power management solutions.

Package

The 2SD1781KT146R is typically packaged in a TO-220 format. This package type is commonly used for power transistors, providing effective heat dissipation and easy mounting on heatsinks.

Pinout

The 2SD1781KT146R is a type of NPN power transistor commonly used in audio amplification and switching applications. It typically has a pin count of 3.
The pin functions are as follows:
1. Collector (C): This is the output terminal where the load is connected. It collects the current flowing through the transistor.
2. Base (B): This terminal controls the operation of the transistor. A small current applied to the base allows a larger current to flow from collector to emitter.
3. Emitter (E): This terminal is where the current exits the transistor. It emits the current that has been amplified by the transistor.
Always refer to the specific datasheet for detailed specifications and characteristics.

Manufacturer

The 2SD1781KT146R is manufactured by Toshiba Corporation, a Japanese multinational company. Toshiba is primarily known for its diverse range of products and services, including electronic devices, semiconductor manufacturing, and various consumer and industrial technologies. The company has a significant presence in the semiconductor industry, producing a variety of components such as transistors, diodes, and integrated circuits. Toshiba is recognized for its innovation in technology and has a longstanding history that dates back to 1875, contributing to sectors like information technology, infrastructure, and social systems.

Application

The 2SD1781KT146R is a power transistor primarily used in audio amplifiers, switching power supplies, and motor control applications. It serves in high-frequency switching applications, providing efficient performance in amplification and signal processing. Its robust design makes it suitable for consumer electronics and industrial equipment.

Equivalent

The 2SD1781KT146R is a power transistor typically used for amplifying and switching applications. Equivalent products include 2N3055, BD139, and TIP31. For more specific applications, you may also consider other NPN transistors with similar voltage and current ratings. Always check datasheets for detailed specifications to ensure compatibility.