The term **10176** primarily refers to a specific type of **Silicon NPN High-Voltage Transistor** commonly used in legacy televisions, monitors, and power supply circuits. Below is a detailed breakdown of its specifications and electronic characteristics. --- ### 1. General Overview: The 10176 Transistor The 10176 is an NPN bipolar junction transistor (BJT) designed for high-voltage switching and amplification. It is often found in the horizontal deflection or video output stages of CRT (Cathode Ray Tube) devices. ### 2. Technical Specifications While exact specifications can vary slightly by manufacturer (such as Motorola or RCA), the typical parameters are as follows: | Parameter | Description | Typical Value | | :--- | :--- | :--- | | **Type** | Polarity | NPN | | **Material** | Semiconductor | Silicon | | **$V_{CEO}$** | Collector-Emitter Voltage | 300V - 400V | | **$I_C$** | Continuous Collector Current | 0.5A - 1.0A | | **$P_D$** | Total Power Dissipation | 5W - 10W | | **Package** | Case Style | TO-202 or TO-220 | --- ### 3. Key Electronic Functions In a circuit, the 10176 serves several critical roles: * **Voltage Regulation:** Due to its high breakdown voltage, it is used to stabilize power rails in sensitive equipment. * **Signal Amplification:** It can amplify low-power signals into higher voltage outputs, which is necessary for driving tube-based displays. * **Switching:** It acts as an electronic switch, turning high-voltage paths on and off based on the base current. ### 4. Pin Configuration When looking at the flat side of a standard TO-220/TO-202 package (leads pointing down), the pins are usually ordered as follows: 1. **Base (B):** Controls the flow of current. 2. **Collector (C):** Connected to the high voltage load. 3. **Emitter (E):** Usually connected to the ground or common return. --- ### 5. Common Applications * **CRT Television Sets:** Specifically in the chroma (color) or video output sections. * **Vintage Oscilloscopes:** Used in the vertical and horizontal deflection amplifiers. * **Power Supplies:** High-voltage series regulators. ---