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2SD1861 - Power transistor

Download the 2SD1861 datasheet PDF. This datasheet also covers the 2SD1759 variant, as both devices belong to the same power transistor family and are provided as variant models within a single manufacturer datasheet.

Key Features

  • 1) Darlington connection for high DC current gain. 2) Built-in 4kΩ resistor between base and emitter. 3) Complements the 2SB1183 / 2SB1239. zEquivalent circuit C B RBE 4kΩ C : Collector B : Base E : Emitter E zAbsolute maximum ratings (Ta=25°C) Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector power dissipation 2SD1861 2SD1759 Symbol VCBO VCER VEBO IC PC Junction temperature Tj Storage temperature Tstg ∗ Printed circuit.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (2SD1759-Rohm.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number 2SD1861
Manufacturer ROHM
File Size 61.09 KB
Description Power transistor
Datasheet download datasheet 2SD1861 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Transistors Power transistor (40V, 2A) 2SD1759 / 2SD1861 2SD1759 / 2SD1861 zFeatures 1) Darlington connection for high DC current gain. 2) Built-in 4kΩ resistor between base and emitter. 3) Complements the 2SB1183 / 2SB1239. zEquivalent circuit C B RBE 4kΩ C : Collector B : Base E : Emitter E zAbsolute maximum ratings (Ta=25°C) Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Collector power dissipation 2SD1861 2SD1759 Symbol VCBO VCER VEBO IC PC Junction temperature Tj Storage temperature Tstg ∗ Printed circuit board 1.7mm thick, collector plating 1cm2 or larger.