Overview
The BC639G is an NPN bipolar transistor produced by onsemi, designed for use in industrial and consumer applications. This transistor is housed in the TO-92 package, which is suitable for medium power applications. The BC639G is a Pb-Free device, aligning with modern environmental standards.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Collector - Emitter Voltage | VCEO | 80 | Vdc |
| Collector - Base Voltage | VCBO | 80 | Vdc |
| Emitter - Base Voltage | VEBO | 5.0 | Vdc |
| Collector Current - Continuous | IC | 1.0 | Adc |
| Total Device Dissipation @ TA = 25°C | PD | 625 | mW |
| Total Device Dissipation @ TC = 25°C | PD | 800 | mW |
| Operating and Storage Junction Temperature Range | TJ, Tstg | -55 to +150 | °C |
| Thermal Resistance, Junction-to-Ambient | RθJA | 200 | °C/W |
| Thermal Resistance, Junction-to-Case | RθJC | 83.3 | °C/W |
| DC Current Gain (IC = 5.0 mA, VCE = 2.0 V) | hFE | 40 - 160 | |
| Collector - Emitter Saturation Voltage (IC = 500 mA, IB = 50 mA) | VCE(sat) | 0.5 | Vdc |
| Base - Emitter On Voltage (IC = 500 mA, VCE = 2.0 V) | VBE(on) | 1.0 | Vdc |
| Current Gain - Bandwidth Product (IC = 50 mA, VCE = 2.0 V, f = 100 MHz) | fT | 200 | MHz |
Key Features
- Pb-Free Package: Compliant with environmental regulations, making it suitable for modern applications.
- High Current Capability: Continuous collector current of up to 1.0 A, making it suitable for medium power applications.
- Wide Operating Temperature Range: Operating and storage junction temperature range from -55°C to +150°C.
- High DC Current Gain: hFE ranges from 40 to 160, ensuring reliable amplification.
- Low Saturation Voltage: VCE(sat) of 0.5 V, reducing power losses in switching applications.
- Compact TO-92 Package: Suitable for a variety of applications where space is limited.
Applications
- Industrial Applications: Suitable for use in industrial control systems, power supplies, and other high-current applications.
- Consumer Electronics: Used in various consumer electronic devices such as audio amplifiers, switching regulators, and motor control circuits.
- Automotive Systems: Can be used in automotive systems for power management and control.
- General Purpose Amplification: Ideal for general-purpose amplification and switching applications due to its high current and voltage ratings.
Q & A
- What is the maximum collector-emitter voltage of the BC639G transistor?
The maximum collector-emitter voltage (VCEO) is 80 Vdc.
- What is the continuous collector current rating of the BC639G?
The continuous collector current (IC) is rated at 1.0 Adc.
- What is the thermal resistance, junction-to-ambient of the BC639G?
The thermal resistance, junction-to-ambient (RθJA) is 200 °C/W.
- What is the DC current gain range of the BC639G?
The DC current gain (hFE) ranges from 40 to 160.
- What is the collector-emitter saturation voltage of the BC639G?
The collector-emitter saturation voltage (VCE(sat)) is 0.5 Vdc.
- Is the BC639G Pb-Free?
Yes, the BC639G is available in a Pb-Free package.
- What is the operating temperature range of the BC639G?
The operating and storage junction temperature range is from -55°C to +150°C.
- What package type does the BC639G use?
The BC639G is housed in the TO-92 package.
- Is the BC639G suitable for high-frequency applications?
The current gain-bandwidth product (fT) is 200 MHz, making it suitable for high-frequency applications.
- Is the BC639G still in production?
No, the BC639G is listed as obsolete by onsemi and other suppliers.
