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BC857BLT1G

PNP BJT, 45V, 100mA, hFE 220, 300mW, SOT-23-3, AEC-Q101, 100MHz fT

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Pieza del fabricante：

BC857BLT1G

Paquete：

SOT-23-3 (TO-236) 2.9 x 1.3 x 1.0 mm

Marca：
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Compromiso de calidad
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Descripción

Productos

The onsemi BC857BLT1G is a PNP general-purpose bipolar junction transistor (BJT) housed in a SOT-23-3 surface-mount package. Designed for amplifier and switching applications, it offers a collector-emitter voltage of 45 V, a continuous collector current of 100 mA, and a transition frequency of 100 MHz. The device is AEC-Q101 qualified, making it suitable for automotive applications.

Especificaciones

Tipo de transistor PNP
VCEO (Collector-Emitter Voltage) -45 V
VCBO (Collector-Base Voltage) -50 V
VEBO (Emitter-Base Voltage) -5.0 V
IC (Collector Current) -100 mA
VCE(sat) (Max) -650 mV @ 5 mA, 100 mA
hFE (Min) 220 @ 2 mA, 5 V
Power Dissipation 300 mW
Frecuencia de transición (fT) 100 MHz
Temperatura de funcionamiento -55°C to +150°C (TJ)
Paquete SOT-23-3 (TO-236)

Características

  • AEC-Q101 qualified and PPAP capable for automotive applications
  • Low collector-emitter saturation voltage of 650 mV max
  • High DC current gain (hFE min 220) for reliable amplification
  • Wide operating temperature range from -55°C to +150°C
  • Pb-Free, Halogen Free/BFR Free, RoHS compliant
  • Compact SOT-23-3 package for high-density PCB designs

Aplicaciones

  • General-purpose amplifier circuits
  • Switching circuits in automotive electronics
  • Signal processing and conditioning
  • Current mirror and current source configurations
  • Portable and battery-powered devices

The onsemi BC857BLT1G is a PNP silicon general-purpose bipolar junction transistor designed for amplifier and switching applications. Housed in the compact SOT-23-3 surface-mount package, this device offers a maximum collector-emitter voltage of 45 V and a continuous collector current of 100 mA. With a minimum DC current gain of 220 at 2 mA and a transition frequency of 100 MHz, it is well-suited for small-signal amplification and high-speed switching. The BC857BLT1G is AEC-Q101 qualified, ensuring reliability in automotive environments. It features a low collector-emitter saturation voltage of 650 mV maximum, contributing to efficient switching performance. The device is Pb-Free, Halogen Free/BFR Free, and RoHS compliant.

The BC857BLT1G operates as a PNP bipolar junction transistor. In active mode, current flows from emitter to collector when the base is biased negative relative to the emitter. A small base current controls a larger collector current, with the gain factor hFE determining the amplification ratio (minimum 220 at 2 mA). The transistor enters saturation when both junctions are forward-biased, resulting in a low VCE(sat) of 650 mV max, making it efficient for switching applications. In cutoff mode, both junctions are reverse-biased and only minimal leakage current flows. The Schmitt-trigger-like hysteresis of the PN junctions provides inherent noise immunity.

Pin Nombre Tipo Función
1 Base Entrada Base terminal — controls transistor conduction
2 Emisor Potencia Emitter terminal — current source in PNP operation
3 Colector Salida Collector terminal — current sink in active mode
  • General-purpose audio and signal amplification in consumer electronics
  • Low-power switching circuits in portable devices
  • Automotive control modules requiring AEC-Q101 qualification
  • Current mirror and differential pair configurations in analog front-ends
  • Load switching and driver circuits in industrial control systems
Fabricante Número de pieza Paquete Notas
Taiwan Semiconductor BC857B RFG SOT-23-3 Pin-to-pin compatible
Nexperia BC857B,215 SOT-23 Equivalent specifications
Infineon BC857B E6327 SOT-23 Pin-to-pin compatible
ROHM BC857BRA SOT-23-3 Equivalent function
onsemi BC857BLT3G SOT-23-3 Tape & Reel alternate packaging
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Contact Information

Email: info@ic-vendor.com

Tel / WhatsApp: +86 13760382860

Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

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All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@ic-vendor.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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