Overview
The BD139-16 is a bipolar junction transistor (BJT) manufactured by STMicroelectronics. It is part of the BD139 series, which includes NPN epitaxial planar transistors designed for general-purpose applications, particularly in audio amplifiers and drivers using complementary or quasi-complementary circuits. The BD139-16 is housed in a SOT-32 plastic package and is known for its reliability and performance in various electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Polarity | NPN | |
| Type | Epitaxial Planar | |
| Collector-Emitter Voltage (Vceo) | 80 | V |
| Collector Current (Ic) | 1.5 | A |
| Power Dissipation (Pd) | 1.25 | W |
| DC Current Gain (hFE) Min | 100 | |
| Package Style | SOT-32 | |
| Mounting Method | Through Hole | |
| Operating Temperature (Tj) | 150 | °C |
| Vce Saturation (Max) @ Ib, Ic | 500mV @ 50mA, 500mA | |
| Collector Cutoff Current (ICBO) | 100nA |
Key Features
- High Collector Current: The BD139-16 can handle a maximum collector current of 1.5A, making it suitable for applications requiring moderate to high current handling.
- High Collector-Emitter Voltage: With a maximum collector-emitter voltage of 80V, this transistor is robust and can handle a wide range of voltage levels.
- Low Power Dissipation: The transistor has a power dissipation of 1.25W, which is efficient for many general-purpose applications.
- High DC Current Gain: The minimum DC current gain (hFE) of 100 ensures reliable amplification in various circuits.
- Through Hole Mounting: The SOT-32 package with through-hole mounting makes it easy to integrate into PCBs and other electronic assemblies.
- Complementary Transistors: The BD139-16 is part of a complementary transistor pair, making it ideal for use in audio amplifiers and drivers using complementary or quasi-complementary circuits.
Applications
- Audio Amplifiers and Drivers: The BD139-16 is specifically designed for use in audio amplifiers and drivers, particularly those utilizing complementary or quasi-complementary circuits.
- General Purpose Amplification: Its robust specifications make it suitable for a wide range of general-purpose amplification tasks.
- Power Switching: The transistor can be used in power switching applications due to its high collector current and voltage ratings.
- Industrial and Consumer Electronics: It is commonly used in various industrial and consumer electronic devices where reliable and efficient amplification is required.
Q & A
- What is the maximum collector-emitter voltage of the BD139-16?
The maximum collector-emitter voltage (Vceo) of the BD139-16 is 80V.
- What is the maximum collector current of the BD139-16?
The maximum collector current (Ic) of the BD139-16 is 1.5A.
- What is the power dissipation of the BD139-16?
The power dissipation (Pd) of the BD139-16 is 1.25W.
- What is the minimum DC current gain (hFE) of the BD139-16?
The minimum DC current gain (hFE) of the BD139-16 is 100.
- What type of package does the BD139-16 use?
The BD139-16 is housed in a SOT-32 plastic package.
- What is the mounting method of the BD139-16?
The BD139-16 uses through-hole mounting.
- What are the typical applications of the BD139-16?
The BD139-16 is typically used in audio amplifiers, drivers, and general-purpose amplification tasks.
- What is the operating temperature range of the BD139-16?
The operating temperature (Tj) of the BD139-16 is up to 150°C.
- Is the BD139-16 RoHS compliant?
Yes, the BD139-16 is RoHS compliant.
- What is the collector cutoff current (ICBO) of the BD139-16?
The collector cutoff current (ICBO) of the BD139-16 is 100nA.
