規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | BC817 |
| ProductStatus | Active |
| TransistorType | NPN |
| Current-Collector(Ic)(Max) | 500 mA |
| Voltage-CollectorEmitterBreakdown(Max) | 45 V |
| VceSaturation(Max)@IbIc | 700mV @ 50mA, 500mA |
| Current-CollectorCutoff(Max) | 100nA (ICBO) |
| DCCurrentGain(hFE)(Min)@IcVce | 250 @ 100mA, 1V |
| Power-Max | 250 mW |
| Frequency-Transition | 100MHz |
| OperatingTemperature | 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | TO-236-3, SC-59, SOT-23-3 |
概述
Equivalent
Equivalent products to the BC817-40,215 (NPN transistor, 45V, 500mA, SOT-23) include:
- MMBT4401 (higher current, 600mA)
- 2N3904 (TO-92 package, 200mA)
- BC807-40,215 (PNP complement)
- KST44 (SMD equivalent of 2N3904)
- PMBT4401 (similar specs, SOT-23)
Check datasheets for exact parameter matching.
- MMBT4401 (higher current, 600mA)
- 2N3904 (TO-92 package, 200mA)
- BC807-40,215 (PNP complement)
- KST44 (SMD equivalent of 2N3904)
- PMBT4401 (similar specs, SOT-23)
Check datasheets for exact parameter matching.
Features
The BC817-40,215 is an NPN bipolar junction transistor (BJT) with the following key features:
- Type: NPN general-purpose transistor
- Package: SOT-23 (small surface-mount)
- Collector Current (Ic): 500 mA (max)
- Collector-Emitter Voltage (Vceo): 45 V (max)
- DC Current Gain (hFE): 250–600 (at Ic = 2 mA, Vce = 5 V)
- Power Dissipation (Pd): 330 mW (max)
- Transition Frequency (fT): 100 MHz (typical)
- Low Saturation Voltage: Ideal for switching applications
- Applications: Amplification, switching in low-power circuits, drivers, and signal processing
Compact and efficient, it’s widely used in consumer electronics, automotive systems, and industrial controls.
- Type: NPN general-purpose transistor
- Package: SOT-23 (small surface-mount)
- Collector Current (Ic): 500 mA (max)
- Collector-Emitter Voltage (Vceo): 45 V (max)
- DC Current Gain (hFE): 250–600 (at Ic = 2 mA, Vce = 5 V)
- Power Dissipation (Pd): 330 mW (max)
- Transition Frequency (fT): 100 MHz (typical)
- Low Saturation Voltage: Ideal for switching applications
- Applications: Amplification, switching in low-power circuits, drivers, and signal processing
Compact and efficient, it’s widely used in consumer electronics, automotive systems, and industrial controls.
Package
The BC817-40,215 is a NPN transistor in a SOT-23 surface-mount package. It has three pins (emitter, base, collector) and is commonly used for switching and amplification in compact electronic circuits. The package is small, measuring approximately 2.9mm x 1.3mm x 1.0mm, making it suitable for space-constrained applications.
