BC848B

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BC848B

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TRANS NPN 30V 0.1A SOT23-3

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Spezifikationen

Attribut Wert
Package Bulk
Series SOT-23
ProductStatus Active
TransistorType NPN
Current-Collector(Ic)(Max) 100 mA
Voltage-CollectorEmitterBreakdown(Max) 30 V
VceSaturation(Max)@IbIc 500mV @ 5mA, 100mA
Current-CollectorCutoff(Max) 100nA (ICBO)
DCCurrentGain(hFE)(Min)@IcVce 200 @ 2mA, 5V
Power-Max 200 mW
Frequency-Transition 100MHz
OperatingTemperature -65°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case TO-236-3, SC-59, SOT-23-3

Übersicht

Description

The BC848B is a general-purpose NPN bipolar junction transistor (BJT) commonly used in amplification and switching applications. Key features include:
- Package: SOT-23 (small surface-mount)
- Voltage Ratings:
- Collector-Emitter (VCE): 30V
- Collector-Base (VCB): 30V
- Emitter-Base (VEB): 5V
- Current Ratings:
- Continuous Collector Current (IC): 100mA
- Peak Current (pulsed): 200mA
- Gain (hFE): 200–450 (at 2mA IC)
- Power Dissipation (Ptot): 250mW
Applications: Low-power amplifiers, signal processing, and switching circuits. It is part of the BC848 series, with the "B" suffix indicating medium current gain.
Alternatives: BC547B (similar specs, TO-92 package).
For precise use, consult the datasheet for thermal and electrical limits.

Equivalent

The BC848B is a general-purpose NPN transistor. Equivalent alternatives include:
- 2N3904 (widely available)
- BC547B (similar specs)
- 2SC1815 (Japanese equivalent)
- MMBT3904 (SMD version)
- KSC1845 (higher voltage rating)
Check datasheets for exact parameter matching in your circuit.

Features

The BC848B is an NPN bipolar junction transistor (BJT) with the following key features:
- Package: SOT-23 (small surface-mount)
- Polarity: NPN
- Max Collector-Base Voltage (VCB): 30V
- Max Collector-Emitter Voltage (VCE): 30V
- Max Emitter-Base Voltage (VEB): 5V
- Continuous Collector Current (IC): 100mA
- Power Dissipation (Ptot): 250mW
- DC Current Gain (hFE): 200–450 (at IC = 2mA, VCE = 5V)
- Transition Frequency (fT): ~300MHz
Applications: Low-power amplification, switching, and signal processing in consumer electronics, audio circuits, and RF applications.
Complementary PNP: BC858B.
Compact, cost-effective, and widely used in SMD designs.

Pinout

The BC848B is a general-purpose NPN bipolar junction transistor (BJT) with 3 pins (TO-92 package):
1. Emitter (E) – Output for current flow.
2. Base (B) – Controls transistor switching/amplification.
3. Collector (C) – Receives current from the circuit.
Key Functions:
- Amplification: Boosts weak signals.
- Switching: On/off control for loads.
- Max Ratings: 30V (VCEO), 100mA (IC), 200mW (Ptot).
Common in low-power analog/digital circuits.

Package

The BC848B is a general-purpose NPN transistor available in a SOT-23 surface-mount package. This compact 3-pin package is widely used for small-signal amplification and switching applications. The SOT-23 is suitable for automated PCB assembly due to its small size (approx. 2.9 x 1.3 x 0.95 mm). Other variants (e.g., BC848) may share the same package.

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