This post explains for the transistor.
The Full Part Number is D1138, 2SD1138. The package is TO-220AB.
The function of this semiconductor is 150V, NPN transistor.
The manufacturers of this product is Hitachi Semiconductor.
See the preview image and the PDF file for more information.
Preview images :
Description
D1138 is 150V, 2A, NPN Transistor.
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 = 6 V
4. Collector current : IC = 2 A
5. Collector peak current : IC (peak) = 5 A
[…]
Overall, a “Silicon NPN Triple Diffused transistor” is a transistor made of silicon with an NPN configuration and manufactured using a triple diffusion process. This combination of materials and manufacturing techniques helps create a transistor with improved performance and capabilities. These transistors are commonly used in various applications, including amplifiers, signal processing, and switching circuits.
Applications:
1. Low frequency high voltage power amplifier TV vertical deflection output complementary pair with 2SB861
D1138 PDF Datasheet
