BC846B-OPTECH CO.,LIMITED

Model:BC846B

Model:BC846B
Manufacturer：Nexperia
Stocks：2000
Describe：

65V, 100mA NPN general-purpose transistor, featuring SOT-23 surface mount package. This device complies with AEC-Q101 automotive-grade certification standards, offering high gain (typical hFE value of about 300) and a transition frequency as high as 300MHz. As a standard small-signal transistor in the market, it is widely used in signal amplification and switching control in various electronic devices, playing a crucial role in low-power signal processing in portable devices, communication products, and industrial control.

Features ：

• Basic parameters: Configuration NPN, collector-emitter voltage (VCEO) 65 V, collector current (Ic) 100 mA

• High gain characteristic: DC current gain (hFE) 200 - 450 @ 2mA, 5V. The gain of the B series is higher than that of the A series in the same series.

• High-frequency characteristics: Characteristic frequency (fT) ranges from 100 to 300 MHz, suitable for high-frequency signal processing.

• Low saturation voltage: The maximum collector-emitter saturation voltage (VCE(sat)) is 400 mV at 5mA/100mA.

• Extremely low leakage current: The typical value of collector cut-off current (Icbo) is 15 nA.

• Vehicle-grade certification: Obtained AEC-Q101 and PPAP certifications, meeting the reliability requirements for automotive electronics.

• Wide operating temperature range: Junction temperature range -65°C to +150°C

• Compact packaging: SOT-23 (TO-236AB), with dimensions of 3.0mm × 1.3mm × 1.0mm

• Environmental compliance: Compliant with RoHS standards, lead-free (Pb-Free), MSL grade 1

Application：

• Audio amplification: As a preamplifier to drive headphones or the preamplifier of speakers

• Switching circuit: Controls LED indicator lights, small relays or logic level conversion

• Radio frequency circuit: Used for processing high-frequency signals in wireless communication devices

• Automotive electronics: Applicable to in-vehicle infotainment systems, body control modules, etc.

• Power management: Feedback loop or auxiliary control for linear regulators