C9014 NPN Small Signal Transistor 50V 150mA TO-92
The C9014 is a versatile NPN epitaxial planar transistor designed for general-purpose amplification and switching applications. Its compact TO-92 package and excellent gain characteristics make it a popular choice in consumer electronics, educational projects, embedded systems, and low-power control circuits. The transistor is widely used for signal processing, transistor switching, and driver stages where reliable performance is required.
Featuring good current gain linearity, low noise operation, and fast switching capability, the C9014 is suitable for both analog and digital circuit designs. It is commonly used in audio circuits, sensor interfaces, relay drivers, LED control circuits, and microcontroller-based applications. The device is also complementary to the C9015 PNP transistor, making it useful for push-pull amplifier and switching configurations.
Features:
- General-purpose NPN transistor.
- Suitable for switching applications.
- Suitable for signal amplification.
- Excellent current gain linearity.
- Low noise performance.
- Fast switching response.
- Compact TO-92 package.
- Reliable operation.
- Easy through-hole mounting.
- Compatible with breadboards and prototyping boards.
- Suitable for analog and digital circuits.
- Complementary to C9015 transistor.
Specifications:
| CHARACTERISTIC | SYMBOL | TEST CONDITION | MIN. | TYP. | MAX. | UNIT |
|---|---|---|---|---|---|---|
| Collector Cut-off Current | ICBO | VCB=50 V, IE=0 | — | — | 50 | nA |
| Emitter Cut-off Current | IEBO | VEB=5 V, IC=0 | — | — | 100 | nA |
| DC Current Gain | hFE (Note) | VCE=5 V, IC=1 mA | 60 | — | 1000 | — |
| Collector-Emitter Saturation Voltage | VCE(sat) | IC=100 mA, IB=10 mA | — | 0.1 | 0.25 | V |
| Transition Frequency | fT | VCE=10 V, IC=1 mA, f=100 MHz | 60 | — | — | MHz |
| Collector Output Capacitance | Cob | VCB=10 V, IE=0, f=1 MHz | — | 2.0 | 3.5 | pF |
| Noise Figure | NF | VCE=6 V, IC=0.1 mA, Rg=10 kΩ, f=1 kHz | — | 1.0 | 10 | dB |
Pinout:
| Pin | Name | Description |
|---|---|---|
| 1 | Emitter (E) | Current output terminal |
| 2 | Base (B) | Control terminal |
| 3 | Collector (C) | Current input terminal |
Applications:
- Signal amplification circuits.
- Audio preamplifiers.
- LED driver circuits.
- Relay driver circuits.
- Sensor interface circuits.
- Switching applications.
- Microcontroller interfacing.
- Logic level control circuits.
- Consumer electronics.
- Educational electronics projects.
- General-purpose electronic designs.
- Push-pull amplifier circuits.
Package Includes:
- 1x C9014 NPN Small Signal Transistor 50V 150mA TO-92.