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| Country of Origin | India |
|---|---|
| Brand | STMicroelectronics |
| Height | 2.9mm |
| Length | 27.05mm |
| Model | BD140 |
| Width | 7.8mm |
| Mount Type | Through Hole |
| Maximum Operating Temperature | 150°C |
| Package Type | SOT-32 |
| Pin Count | 3 |
| Maximum Collector Emitter Voltage Vceo | -80V |
| Minimum DC Current Gain hFE | 25 |
| Transistor Polarity | PNP |
| Maximum Emitter Base Voltage VEBO | 5V |
| Maximum Collector Base Voltage VCBO | 80V |
| Maximum Power Dissipation Pd | 1.25W |
| Maximum DC Collector Current Idc | -3A |
| Transistor Configuration | Single |
The STMicroelectronics BD140 is a general purpose bipolar PNP transistor specifically designed for through-hole mounting applications. Packaged in a compact and sturdy SOT-32 form factor, this transistor supports a maximum DC collector current of 3 amps and is capable of handling voltages up to 80 volts between collector and emitter. The device has a maximum power dissipation of 1.25 watts, making it suitable for medium power circuit requirements.
With a minimum DC current gain (hFE) of 25, the BD140 provides reliable amplification for switching and amplification duties. Its operating temperature range extends up to 150 degrees Celsius, which makes it durable for various industrial and consumer electronics environments. The transistor is configured as a single PNP device, featuring three pins compatible with standard through-hole PCB assemblies.
The physical dimensions of the BD140 transistor package are length 27.05 mm, width 7.8 mm, and height 2.9 mm. Key electrical maximums include collector-base voltage at 80 volts and emitter-base voltage at 5 volts, supporting a variety of circuit applications without risk of damage under normal operating conditions. The BD140 does not carry special automotive standard certifications but is well-suited for general bipolar transistor needs.
This product is ideal for use in industrial control circuits, audio amplifiers, power regulation, and other electronic devices requiring a robust and general-purpose PNP transistor. Its through-hole mount package enables easy integration and prototyping on standard PCBs.
Maximum collector current: 3 A at 80 V. Power dissipation rating: 1.25 W in SOT-32 package. Single PNP configuration for general purpose applications. Supports operation up to 150°C junction temperature. Pin count and package suited for through-hole mounting.
No automotive or special industry approvals. Explore additional STMicroelectronics transistor products and components at EnvMart for your electronic design and manufacturing requirements.
Explore more products in our Bipolar Transistors category.
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