Introduction
The BD135 is a highly popular and versatile NPN power transistor belonging to the well-known BD series, which includes other widely used components like the BD137 and BD139. This series is recognized for its robust performance in a variety of electronic applications. The BD135 stands out due to its impressive specifications, making it a go-to choice for both educational projects and professional designs.
NOTE: If you want to download the DATASHEET, the download button is provided end of this article.
With a high collector current capacity of up to 1.5A and a significant collector power dissipation of 12.5 watts, the BD135 is well-suited for a broad range of switching and amplification tasks. This high current rating allows it to control a variety of demanding loads in electronic circuits, such as high-power LEDs, relays, and even other transistors. The BD135’s ability to handle substantial power makes it ideal for applications that require more than a typical small-signal transistor can provide.
BD135 NPN Transistor
Beyond switching, the BD135 is also an excellent amplifier. Its robust characteristics allow it to amplify various signals, including audio frequencies. It can be used in the driver or output stages of audio amplifiers, where it effectively boosts the signal to power speakers. Its combination of high power handling, robust current capacity, and efficiency makes the BD135 a cornerstone component for a diverse range of electronic circuits.
BD135 Pinout
BD135 NPN Transistor Key Features
- High current (max. 1.5 A)
- Low voltage (max. 80 V)
BD135 Transistor Specifications/Characteristics
| Characterstics | Rating (Max) |
|---|---|
| Collector Current(IC) | 1.5A |
| Collector-Emitter Voltage (VCE) | 45V |
| Collector-Base Voltage (VCB) | 45V |
| Emitter-Base Voltage (VEBO) | 5V |
| Collector Dissipation (Pc) | 12.5 Watt |
| Transition Frequency (fT) | 190 MHz |
| DC Current Gain (hFE) | 40 – 250 |
| Storage & Operating temperature | -55 to +150 Centigrade |
| Package Type | TO-126 |
| Transistor Type | NPN |
More Circuit Layouts
Key Applications of BD135 NPN Transistor
- General Purpose
- Audio & Other Signal Amplification
- Driving & Switching Loads under 1.5A
- Motor Driver Circuits
- Battery Charger Circuits
- Power Supply Circuits
- Darlington Pairs
PNP Complimentary Transistor
PNP Complementary of BD135 Transistor is BD136.
Equivalent Transistors of BD135
BD137, BD139, BD230, 2SC5171S , BD349, and BD379
Datasheet of BD135 NPN Transistor
Click the following Button below to download the datasheet of BD135 Transistor :
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