Overview
The BC857BDW1T1 is a dual PNP bipolar transistor produced by onsemi, designed for general purpose amplifier applications. It is housed in the SOT-363/SC-88 package, which is optimized for low power surface mount applications. This transistor is part of the BC857 series, known for its reliability and versatility in various electronic circuits.
Key Specifications
| Attribute | Value |
|---|---|
| Transistor Type | NPN/PNP (Dual) |
| Maximum DC Collector Current | 100 mA |
| Maximum Collector Emitter Voltage (VCEO) | 30 V (Note: Some sources list VCEO as 45 V, but the typical specification is 30 V) |
| Maximum Collector Base Voltage (VCBO) | 50 V |
| Package Type | SOT-363/SC-88 |
| Mounting Type | Surface Mount |
| Maximum Power Dissipation | 380 mW |
| Maximum Emitter Base Voltage | 6 V |
| Pin Count | 6 |
| Number of Elements per Chip | 2 |
| Dimensions | 2.2 x 1.35 x 0.9 mm |
| Maximum Operating Temperature | +150 °C |
| DC Current Gain (hFE) | 220 (Minimum) |
| Collector-Emitter Saturation Voltage (VCE(sat)) | -0.3 V (IC = -10 mA, IB = -0.5 mA) |
| Base-Emitter Saturation Voltage (VBE(sat)) | -0.7 V (IC = -10 mA, IB = -0.5 mA) |
Key Features
- Dual PNP configuration, providing flexibility in circuit design.
- Low power consumption, suitable for surface mount applications.
- High DC current gain (hFE) of 220 (minimum), ensuring reliable amplification.
- Low collector-emitter saturation voltage and base-emitter saturation voltage, reducing power losses.
- Pb-Free packages available, making it suitable for environmentally friendly designs.
- Compact SOT-363/SC-88 package, ideal for space-constrained applications.
Applications
The BC857BDW1T1 is designed for general purpose amplifier applications, including but not limited to:
- Audio amplifiers
- Switching circuits
- Low power signal processing
- Automotive electronics (with S and NSV prefix for unique site and control change requirements)
- Other applications requiring reliable, low power bipolar transistors.
Q & A
- What is the maximum DC collector current of the BC857BDW1T1?
The maximum DC collector current is 100 mA. - What is the maximum collector-emitter voltage (VCEO) of the BC857BDW1T1?
The maximum collector-emitter voltage is typically 30 V, though some sources may list it as 45 V. - What package type does the BC857BDW1T1 use?
The BC857BDW1T1 is housed in the SOT-363/SC-88 package. - What is the maximum power dissipation of the BC857BDW1T1?
The maximum power dissipation is 380 mW. - What is the DC current gain (hFE) of the BC857BDW1T1?
The minimum DC current gain (hFE) is 220. - What are the dimensions of the BC857BDW1T1?
The dimensions are 2.2 x 1.35 x 0.9 mm. - Is the BC857BDW1T1 Pb-Free?
Yes, Pb-Free packages are available. - What is the maximum operating temperature of the BC857BDW1T1?
The maximum operating temperature is +150 °C. - What are some common applications of the BC857BDW1T1?
Common applications include audio amplifiers, switching circuits, low power signal processing, and automotive electronics. - What is the collector-emitter saturation voltage (VCE(sat)) of the BC857BDW1T1?
The collector-emitter saturation voltage is -0.3 V (IC = -10 mA, IB = -0.5 mA).
