D401A Datasheet – 2SD401A, NPN Transistor – MOSPEC

This post explains for the semiconductor D401A, 2SD401A.

The Part Number is D401A. The package is TO-220 type.

The function of this semiconductor is NPN Transistor.

Manufacturers : Mospec Semiconductor

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D401A datasheet

Description :

It designed for use in general purpose power amplifier, vertical output apllication.

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage : Vcbo = 200 V
2. Collector to Emitter Voltage : Vceo = 150 V
3. Emitter to Base Voltage : Vebo = 5.0 V
4. Collector Current : Ic = 2.0 A
5. Total Dissipation : Pd = 25 W
6. Junction Temperature : Tj = 150°C
7. Storage Temperatue : Tsg = -55 ~ +150°C

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D401A image

Features

1. Collector-Emitter Voltage : Vceo = 150V(Min)
2. DC Current Gain : hFE = 40 ~ 200 @Ic = 400mA
3. Complementary to PNP 2SB546A

D401A Datasheet

 

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S1854 PDF Datasheet – 150V, Silicon NPN Transistor

Part Number : S1854

Function : Silicon NPN Transistor

Package : TO-220AB Type

Manufactures : Toshiba, ETC

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S1854 pdf datasheet

Description :

S1854 is a regulator driver for line operated TV, which are built up of error amplfier transistor, standard voltage zener diode and poly-silicon resistors on monolithic chip.

Features

1. Possible to Eliminate the output voltage adjustment of regulator stage in line operated TV, combined with the usual power transistors.
2. Excellent temperature characteristics of regulated output voltage.

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S1854 image

Absolute maximum ratings ( Ta=25°C )

1. Collector to Ground Voltage : Vcgo = 150 V
2. Collector to +B output Voltage : Vcbo = 150 V
3. +B Output to Ground Voltage : Vbgo = 120 V
4. Collector Current : Ic = 50 mA
5. Power dissipation : Pd = 1.5 W
6. Junction Temperatue : Tj = 150°C
7. Storage Temperatue : Tstg = -55 ~ +150°C

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pinout

S1854 PDF Datasheet

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