規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| TransistorType | PNP |
| Current-Collector(Ic)(Max) | 100 mA |
| Voltage-CollectorEmitterBreakdown(Max) | 45 V |
| VceSaturation(Max)@IbIc | 650mV @ 5mA, 100mA |
| Current-CollectorCutoff(Max) | 15nA (ICBO) |
| DCCurrentGain(hFE)(Min)@IcVce | 220 @ 2mA, 5V |
| Power-Max | 300 mW |
| Frequency-Transition | 100MHz |
| OperatingTemperature | -55°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
概述
Description
The BC857BLT1G is a PNP bipolar junction transistor (BJT) in a SOT-23 package, designed for general-purpose amplification and switching applications. Key features include:
- Type: PNP
- Voltage (VCEO): -45V
- Current (IC): -100mA
- Power Dissipation: 250mW
- Gain (hFE): 125–800 (depending on grade)
- Package: SOT-23 (small surface-mount)
It is commonly used in low-power circuits, signal amplification, and switching tasks, offering high current gain and low noise. The "BLT1G" suffix indicates it is part of ON Semiconductor’s lead-free, RoHS-compliant product line.
For detailed specs, refer to the datasheet.
- Type: PNP
- Voltage (VCEO): -45V
- Current (IC): -100mA
- Power Dissipation: 250mW
- Gain (hFE): 125–800 (depending on grade)
- Package: SOT-23 (small surface-mount)
It is commonly used in low-power circuits, signal amplification, and switching tasks, offering high current gain and low noise. The "BLT1G" suffix indicates it is part of ON Semiconductor’s lead-free, RoHS-compliant product line.
For detailed specs, refer to the datasheet.
Equivalent
Equivalent products to the BC857BLT1G (PNP transistor) include:
- BC856BLT1G (similar specs, different gain group)
- 2N3906 (general-purpose PNP)
- MMBT3906 (SMD version of 2N3906)
- BC807-25 (higher current rating)
- KST3906 (alternative SMD option)
Check datasheets for exact parameter matching.
- BC856BLT1G (similar specs, different gain group)
- 2N3906 (general-purpose PNP)
- MMBT3906 (SMD version of 2N3906)
- BC807-25 (higher current rating)
- KST3906 (alternative SMD option)
Check datasheets for exact parameter matching.
Manufacturer
The BC857BLT1G is manufactured by ON Semiconductor, now known as onsemi after rebranding in 2021.
onsemi is a global semiconductor company specializing in power management, analog, and sensor technologies. It serves industries like automotive, industrial, and consumer electronics, focusing on energy-efficient solutions. Headquartered in Phoenix, Arizona, onsemi is a publicly traded company (NASDAQ: ON) with a strong reputation in high-reliability components.
The BC857BLT1G is a general-purpose PNP transistor, commonly used in amplification and switching applications.
onsemi is a global semiconductor company specializing in power management, analog, and sensor technologies. It serves industries like automotive, industrial, and consumer electronics, focusing on energy-efficient solutions. Headquartered in Phoenix, Arizona, onsemi is a publicly traded company (NASDAQ: ON) with a strong reputation in high-reliability components.
The BC857BLT1G is a general-purpose PNP transistor, commonly used in amplification and switching applications.
Application
The BC857BLT1G is a general-purpose PNP transistor commonly used in:
1. Amplification Circuits – Small-signal amplification in audio and RF stages.
2. Switching Applications – Low-power switching in digital circuits.
3. Signal Processing – Used in analog circuits like oscillators and modulators.
4. Consumer Electronics – Found in devices like TVs, radios, and smartphones.
5. Automotive Systems – Employed in control modules and sensor interfaces.
Its compact SOT-23 package and low power consumption make it suitable for space-constrained, battery-operated devices.
1. Amplification Circuits – Small-signal amplification in audio and RF stages.
2. Switching Applications – Low-power switching in digital circuits.
3. Signal Processing – Used in analog circuits like oscillators and modulators.
4. Consumer Electronics – Found in devices like TVs, radios, and smartphones.
5. Automotive Systems – Employed in control modules and sensor interfaces.
Its compact SOT-23 package and low power consumption make it suitable for space-constrained, battery-operated devices.
Package
The BC857BLT1G is a PNP transistor packaged in SOT-23, a small surface-mount device (SMD) with 3 pins. It's compact, suitable for high-density PCB designs, and commonly used in amplification and switching applications. The package dimensions are approximately 2.9mm x 1.3mm x 0.9mm.
