圖片僅供參考
規格
| 屬性 | 價值 |
| Manufacturer | SPTECH |
| Package / Case | TO-220AB |
概述
Description
The 2SC2078 is a high-frequency NPN silicon transistor designed for RF power amplification, commonly used in VHF/UHF applications. Key features include:
- Frequency Range: Up to 175 MHz
- Power Output: 10W (typical at 175 MHz)
- Voltage Rating: 25V (Collector-Emitter)
- Current Rating: 1.5A (Collector)
It is often found in RF stages of transmitters, amplifiers, and communication equipment. The transistor offers good linearity and gain, making it suitable for both Class A and Class C amplification.
Package: TO-220 (with isolated mounting tab)
Complementary PNP: 2SA940 (though less common)
Note: Always check datasheets for exact specifications and biasing requirements.
- Frequency Range: Up to 175 MHz
- Power Output: 10W (typical at 175 MHz)
- Voltage Rating: 25V (Collector-Emitter)
- Current Rating: 1.5A (Collector)
It is often found in RF stages of transmitters, amplifiers, and communication equipment. The transistor offers good linearity and gain, making it suitable for both Class A and Class C amplification.
Package: TO-220 (with isolated mounting tab)
Complementary PNP: 2SA940 (though less common)
Note: Always check datasheets for exact specifications and biasing requirements.
Pinout
The 2SC2078 is a silicon NPN transistor commonly used in RF and amplifier applications.
- Pin Count: 3 (Emitter, Base, Collector)
- Functions:
- Base (B): Controls transistor switching/amplification.
- Emitter (E): Emits charge carriers (typically grounded).
- Collector (C): Collects charge carriers (connects to load).
Key specs:
- Frequency: Up to 80MHz
- Power: 1.5W (max)
- Voltage: 160V (max)
Commonly used in audio/RF amplifiers and switching circuits.
- Pin Count: 3 (Emitter, Base, Collector)
- Functions:
- Base (B): Controls transistor switching/amplification.
- Emitter (E): Emits charge carriers (typically grounded).
- Collector (C): Collects charge carriers (connects to load).
Key specs:
- Frequency: Up to 80MHz
- Power: 1.5W (max)
- Voltage: 160V (max)
Commonly used in audio/RF amplifiers and switching circuits.
Manufacturer
The 2SC2078 is a silicon NPN transistor manufactured by Toshiba, a well-known Japanese multinational conglomerate specializing in electronics and semiconductors. Toshiba has a strong reputation for producing high-quality electronic components, including transistors, ICs, and power devices. The 2SC2078 is commonly used in RF and amplifier applications due to its high-frequency performance.
Toshiba is a major player in the semiconductor industry, with a history of innovation in consumer electronics, industrial systems, and energy solutions. However, in recent years, Toshiba has restructured its semiconductor business, with some divisions being sold to other companies (e.g., Kioxia for memory chips). Despite this, Toshiba-branded discrete semiconductors like the 2SC2078 remain widely used.
Toshiba is a major player in the semiconductor industry, with a history of innovation in consumer electronics, industrial systems, and energy solutions. However, in recent years, Toshiba has restructured its semiconductor business, with some divisions being sold to other companies (e.g., Kioxia for memory chips). Despite this, Toshiba-branded discrete semiconductors like the 2SC2078 remain widely used.
Application
The 2SC2078 is a high-frequency NPN transistor primarily used in:
1. RF Amplification – VHF/UHF applications, such as FM transmitters and radio equipment.
2. Oscillators – Signal generation in communication devices.
3. Driver Stages – Boosting signals in RF power amplifiers.
4. Industrial Equipment – High-speed switching and amplification in control systems.
Its high transition frequency (≈80MHz) and power handling (≈1.5A, 25W) make it suitable for medium-power RF circuits.
1. RF Amplification – VHF/UHF applications, such as FM transmitters and radio equipment.
2. Oscillators – Signal generation in communication devices.
3. Driver Stages – Boosting signals in RF power amplifiers.
4. Industrial Equipment – High-speed switching and amplification in control systems.
Its high transition frequency (≈80MHz) and power handling (≈1.5A, 25W) make it suitable for medium-power RF circuits.
Package
The 2SC2078 is a silicon NPN transistor typically available in a TO-220F package (fully molded plastic, lead-free). It is commonly used in high-frequency amplification and power switching applications. The TO-220F package features a single in-line pin configuration (3 pins) with a metal tab for heat dissipation. Compact and robust, it suits various electronic circuits requiring medium power handling.