Part Number: 2SC1815

Function  : Silicon NPN Epitaxail Type

Package: TO-92 type

Manufacturer: Toshiba Semiconductor

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Description

C1815 transistor is a commonly used NPN (Negative-Positive-Negative) bipolar junction transistor (BJT). It is designed for general-purpose amplification and switching applications. This transistor is commonly used in various electronic circuits for small-signal amplification, switching, and signal processing.

Features

•  High voltage and high current: VCEO= 50 V (min), IC= 150 mA (max)

•  Excellent hFElinearity :

(1) hFE (2)= 100 (typ.)  at VCE= 6 V, IC= 150 mA

(2) hFE(IC= 0.1 mA)/hFE(IC= 2 mA)  = 0.95 (typ.)

•  Low noise: NF = 1dB (typ.) at f = 1 kHz

•  Complementary to 2SA1015 (O, Y, GR class)

 

Pinouts

Absolute Maximum Ratings (Ta = 25°C)

1. Collector to Base Voltage : Vcbo = 60 V

2. Collector to Emitter Voltage : Vceo = 50 V

3. Emitter to Base Voltage : Vebo = 5 V

4. Collector Current : Ic = 150 mA

5. Total Dissipation : Pc = 400 mW

6. Junction Temperature : Tj = 150°C

7. Storage Temperatue : Tsg = -55 ~ +125°C

 

Applications

1. Silicon NPN Epitaxial Type Transistor

2. Audio Frequency General Purpose Amplifier

3. Driver Stage Amplifier Applications

 

C1815 Transistor

 

BD139 is designed for use as audio amplifiers and drivers utilizing complementary or quasi complementary circuits. This is NPN power transistor. Complementary low voltage transistor.

Part number : BD139, BC137, BC135

Functions : Complementary Low Voltage Transistor

Package information : SOT-32, TO-126 Pin

Manufacturer: STMicroelectronics, NXP, Fairchild

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Product Information

This transistor can handle a collector current of 1.5A and a collector-base voltage of 80V. This makes it suitable for a variety of low-voltage power applications. Additionally, the collector current gain (Beta) is high, allowing sufficient current amplification even with a small base current.

Provides stable performance in low voltage and low current environments. This reduces power consumption and increases efficiency in low-voltage applications.

These epitaxial planar transistors are mounted in the SOT-32 plastic package. They are designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits. The NPN types are the BD135 and BD139, and the complementary PNP types are the BD136 and BD140.

Absolute maximum ratings

Features

1.  Products are pre-selected in DC current gain

2. General purpose

· High current (max. 1.5 A)
· Low voltage (max. 80 V).

Application

1. Driver stages in hi-fi amplifiers and television circuits.

2. Can be applied to low-voltage power amplification circuits, switching circuits, control circuits, LED drivers, motor drivers, power supplies, etc

Pinout

 

BD139 Datasheet PDF