BC639 High Current NPN Transistor 80V 1A TO-92
BC639 is a high-current NPN transistor commonly used for switching and amplifier circuits in electronic and control applications.
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BC639 High Current NPN Transistor 80V 1A TO-92
The BC639 is an NPN epitaxial silicon transistor designed for switching and amplifier applications. It provides a collector current rating of up to 1A, making it suitable for driving moderate-current loads and as a general-purpose transistor in electronic circuits. The device is supplied in a compact TO-92 package.
The BC639 offers an 80V collector-emitter voltage rating, a peak collector current of 1.5A, and a maximum collector power dissipation of 1W. It features a DC current gain of up to 160 under the specified test conditions and a collector-emitter saturation voltage of up to 0.5V at 500mA collector current.
Specifications:
| Specification | Value |
|---|---|
| Transistor Type | NPN |
| Semiconductor Material | Silicon |
| Collector-Emitter Voltage (VCEO) | 80V |
| Collector-Emitter Voltage (VCES) | 100V |
| Collector-Emitter Voltage at RBE = 1kΩ (VCER) | 100V |
| Emitter-Base Voltage (VEBO) | 5V |
| Collector Current (IC) | 1A |
| Peak Collector Current (ICP) | 1.5A |
| Base Current (IB) | 100mA |
| Collector Power Dissipation (PC) | 1W |
| Junction Temperature (TJ) | 150°C |
| Storage Temperature | -65 to +150°C |
| DC Current Gain (hFE) at IC = 5mA | 40–250 |
| DC Current Gain (hFE) at IC = 150mA | 40–160 |
| Collector-Emitter Saturation Voltage | 0.5V max. |
| Base-Emitter On Voltage | 1V max. |
| Current Gain Bandwidth Product (fT) | 100MHz |
| Package | TO-92 |
Pinout:
| Pin Number | Pin Name | Description |
| 1 | Emitter | Electrons emitted from the emitter into the first PN junction |
| 2 | Collector | Electrons Emitted from Emitter Collected by the Collector |
| 3 | Base | Controls the biasing of the transistor |
Applications:
- Electronic switching circuits.
- Relay and load drivers.
- Signal amplification.
- General-purpose amplifier circuits.
- Control circuits.
- Moderate-current switching stages.
Packages Included:
- 1 × BC639 High Current NPN Transistor 80V 1A TO-92.
Documents:
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