D1761 PDF Datasheet – 60V, 3A, NPN Transistor – 2SD1761

This post explains for the NPN Transistor.

The Full Part Number is D1761, 2SD1761.

The function of this semiconductor is 60V, 3A, NPN Transistor.

The package is TO-220FP Type

The manufacturers of this product is Rohm.

See the preview image and the PDF file for more information.

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d1761 transistor datasheet pdf


D1761 is 60V, 3A, Triple Diffused Planar NPN Silicon Transistor. This Transistor is a type of bipolar junction transistor (BJT) made from silicon, a semiconductor material. This transistor is designed for amplifying or switching electronic signals in various electronic circuits.

NPN Configuration:

1. Emitter (N): The heavily doped N-type layer, which is the source of charge carriers (electrons) in the transistor.

2. Base (P): The thin P-type layer, which controls the flow of charge carriers between the emitter and collector.

3. Collector (N): The N-type layer, which collects the charge carriers that pass through the base-emitter junction.


1. Low collector saturation voltage

2. Excellent current characteristics of DC current gain

3. Large collector dissipation : Pc = 30 W

4. Complementary pair with 2SB1187


Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = 80 V

2. Collector to Emitter Voltage: Vceo = 60 V

3. Emitter to Base Voltage: Vebo = 5 V

4. Collector Current: Ic = 3 A

5. Collector Dissipation : Pc = 30 W

6. Junction Temperature: Tj = 150°C

7. Storage Temperature: Tsg = -55 ~ +150°C


D1761 PDF Datasheet

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