Part Number: C1904, 2SC1904

Function: 150V, 50mA, NPN Transistor

Package: TO-126 Type

Manufacturer: SavantIC

Images:

Description

C1904 is 150V, 50mA, Silicon NPN Power Transistor. 

Features

1. With TO-126 package

2. Complement to type 2SA899

 

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = 150 V

2. Collector to Emitter Voltage: Vceo = 150 V

3. Emitter to Base Voltage: Vebo = 5 V

4. Collector Current: Ic = 50 mA

5. Collector Dissipation : Pc = 1 W

6. Junction Temperature: Tj = 150°C

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

Applications:

1. For high frequency power amplification

C1904 PDF Datasheet

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This post explains for the transistor.

The Part Number is 2SD2144, 2SD2144K.

The function of this semiconductor is 20V, 0.5A, NPN Transistor.

Manufacturer: Rohm

Preview images:

Description

This is High-current Gain Medium Power Transistor (20V, 0.5A). D2144 is a type of bipolar junction transistor (BJT) that consists of two n-type semiconductor materials separated by a single p-type material.

Features

1. High DC current gain. hFE = 1200 (Typ.)

2. High emitter-base voltage. VEBO = 12V (Min.)

3. Low VCE(sat). VCE(sat) = 0.18V (Typ.) (IC / IB = 500mA / 20mA)

 

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = 25 V

2. Collector to Emitter Voltage: Vceo = 20 V

3. Emitter to Base Voltage: Vebo = 12 V

4. Collector Current: Ic = 0.5 A

5. Collector Dissipation : Pc = 0.2 W

6. Junction Temperature: Tj = 150°C

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

Structure:

1. Epitaxial planar type NPN silicon transistor

D2144 PDF Datasheet