This post explains for the NPN Transistor.

The Part Number is 2SD667, 2SD667A.

The function of this semiconductor is 80V, 1A, Silicon NPN Epitaxial Transistor.

The package is TO-92MOD Type

Manufacturer: Renesas

Preview images :

Description

D667 is 80V, 1A, Silicon NPN Epitaxial Transistor.

 

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = 120 V

2. Collector to Emitter Voltage: Vceo = 80 V

3. Emitter to Base Voltage: Vebo = 5 V

4. Collector Current: Ic = 1 A

5. Collector Dissipation : Pc = 0.9 A

6. Junction Temperature: Tj = 150°C

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

Application:

• Low frequency power amplifier

• Complementary pair with 2SB647/A

D667 PDF Datasheet

This post explains for the transistor.

The Part Number is C3228.

The function of this semiconductor is 160V, 1A, NPN Transistor.

The package is TO-29 Type

Manufacturer: Korea Electronics

Preview images:

Description

2SC3228 is 160V, 1A, 0.9W, NPN Transistor. 

 

Features

1. Large continuous collector current capability

2. Complementary to 2SA1275

 

Absolute maximum ratings ( Ta=25°C )

1. Collector to Emitter Voltage: Vceo = 160 V

2. Collector Current: Ic = 1A

3. Collector Dissipation : Pc = 0.9 W

 

Applications:

1. Color TV Vert, Deflection Output

2. Color TV Class B Sound Output.

 

2SC3228 PDF Datasheet

 

2SA1275 Datasheet PDF

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