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2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed
2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed
2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed
2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed
2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed
2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed
Specifications
Brand Name :
ROHM
Model Number :
2SD1781K
Certification :
CE, GCF, ROHS
Place of Origin :
China
MOQ :
1
Price :
Negotiable
Payment Terms :
T/T, Western Union,
Supply Ability :
1000pcs per month
Delivery Time :
3-5 working days after received the payment
Packaging Details :
Packed in original tray firstly ,then carton, at last Bubble bag for outer packing
Function :
Step-Up, Step-Down
Output Configuration :
Positive or Negative
Topology :
Buck, Boost
Output Type :
Adjustable
Number of Outputs :
1
Description

2SD1781K

One of the standout features of the 2SD1781K is its remarkable current-handling capability. With a maximum collector current of 3 amperes, it can efficiently drive high-power loads, making it ideal for power amplifier circuits, switching power supplies, and motor control applications. This high current capacity ensures stable operation even under heavy workloads, minimizing the risk of overheating or performance degradation.​

The transistor also boasts an impressive voltage rating, with a collector-emitter voltage (VCEO) of 160 volts. This high voltage tolerance allows it to handle demanding electrical environments, providing reliable performance in applications that require substantial voltage handling. Whether used in industrial control systems or audio equipment, the 2SD1781K can withstand high voltage levels without compromising on efficiency.​
In terms of power dissipation, the 2SD1781K can handle up to 10 watts of power. This significant power-handling ability, combined with its low thermal resistance, enables effective heat management. As a result, the transistor can operate continuously for extended periods without overheating, enhancing its lifespan and overall reliability. This feature is especially crucial in applications where maintaining a stable temperature is essential for optimal performance.​
Another notable characteristic is its fast switching speed, which makes it suitable for high-frequency applications. The 2SD1781K can rapidly switch between the on and off states, reducing signal distortion and improving the overall efficiency of circuits. This quality is highly beneficial in digital circuits and communication systems, where quick and accurate signal processing is required.​
In conclusion, the 2SD1781K NPN transistor from ROHM offers a powerful combination of high current-handling, high voltage tolerance, and excellent power dissipation capabilities. Its fast switching speed and robust design make it a versatile component for a wide range of electronic projects, ensuring reliable and efficient performance in diverse applications.
Packaging
Tape & Reel (TR
Cut Tape (CT
Digi-Reel
Part Status
Active
Transistor Type
NPN
Current - Collector (Ic) (Max)
800 mA
Voltage - Collector Emitter Breakdown (Max)
32 V
Vce Saturation (Max) @ Ib, Ic
400mV @ 50mA, 500mA
Current - Collector Cutoff (Max)
500nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce
180 @ 100mA, 3V
Power - Max
200 mW
Frequency - Transition
150MHz
Operating Temperature
150°C (TJ)
Mounting Type
Surface Mount
Package / Case
TO-236-3, SC-59, SOT-23-3
Supplier Device Package
SMT3

2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed

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  • High quality products --- our offers are 100% new and original, ROHS
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  • Professional service --- strict quality testing before the shipment, and perfect after-sales service after the purchase.
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  • Fast delivery --- we will ship the goods within 1-3 working days after the payment confirmed.

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Supply a Series of Electronic Components, full range of semiconductors, active & passive Components.We can help you to get all for bom of the PCB,IN a word, you can get one-stop solution here,


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Integrated Circuit, Memory ICs, Diode, Transistor , Capacitor, Resistor, Varistor, Fuse, Trimmer & Potentiometer, Transformer, Battery, Cable, Relay, Switch, Connector, Terminal Block, Crystal & Oscillator, Inductor, Sensor, Transformer, IGBT Driver, LED,LCD, Convertor, PCB (Printed Circuit Board),PCBA (PCB Assembly)

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2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed

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Product Detail
Brand Name :
ROHM
Model Number :
2SD1781K
Certification :
CE, GCF, ROHS
Place of Origin :
China
MOQ :
1
Price :
Negotiable
Contact Supplier
2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed
2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed
2SD1781K High-Current (3A), Low-Voltage Drop NPN Transistor for Power Switching Applications Ultra-Reliable NPN Transistor with 10W Power Dissipation & Fast Switching Speed

TOP Electronic Industry Co., Ltd.

Verified Supplier
10 Years
Since 2006
Business Type :
Manufacturer
Main Products :
4G 5G Module, Wireless Communication Module, GPS Receiver Module
Total Annual :
>10000000
Employee Number :
>20
Certification Level :
Verified Supplier
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