Title: What kind of tube is C2073? Analysis of hot topics and hot content on the entire network in the past 10 days
Recently, one of the hot topics in the field of electronic components is the discussion about the "C2073" model tube. This article will conduct a structured analysis of C2073 tubes in terms of technical parameters, application scenarios, market feedback, etc., and attach the hot content data of the entire network in the past 10 days.
1. Basic information of C2073 tube

C2073 is an NPN transistor that is widely used in amplifier circuits and switching circuits. The following are its core parameters:
| parameters | numerical value |
|---|---|
| Type | NPN transistor |
| Maximum collector current (Ic) | 1.5A |
| Maximum collector-emitter voltage (Vceo) | 50V |
| Power dissipation (Pd) | 20W |
| Package form | TO-220 |
2. Application scenarios of C2073
C2073 is commonly used in the following areas due to its high current and voltage characteristics:
1.audio amplifier: Used in power amplifier modules to provide stable signal output.
2.Power management: Used as a high-frequency switching tube in switching power supplies.
3.Motor drive: Control the start, stop and speed regulation of small DC motors.
3. Hot topics and content on the entire network in the past 10 days
The following is the popular discussion and search data related to C2073 in the past 10 days:
| Platform | hot topics | amount of discussion |
|---|---|---|
| Zhihu | C2073 replacement model recommended | 1200+ |
| Baidu Tieba | Application of C2073 in power amplifier circuit | 800+ |
| electronic forum | C2073 parameter measurement comparison | 500+ |
| E-commerce platform | C2073 inventory and price fluctuations | 300+ |
4. Market feedback and alternatives
Due to rumors of C2073 being discontinued, many users began to look for alternative models. Here’s a comparison of common alternatives:
| Model | Ic(A) | Vceo(V) | Compatibility |
|---|---|---|---|
| 2SC5200 | 15 | 230 | high |
| 2SC3281 | 12 | 200 | in |
| 2SC3858 | 10 | 180 | low |
5. Summary
As a classic NPN transistor, C2073 still plays an important role in electronic design. Despite the risk of discontinuation, most application needs can still be met through a judicious selection of alternative models. It is recommended that users make selections based on actual circuit requirements and refer to the parameter comparison table.
This article demonstrates the technical characteristics and market dynamics of C2073 through structured data, hoping to provide a practical reference for engineers and enthusiasts.
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