BCX70G

$0.18

Description：TRANS NPN 45V 0.2A SOT-23-3
Series：-

SKU:0f2378e4baa1 Category: Single Bipolar Transistors Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：TRANS NPN 45V 0.2A SOT-23-3
Series：-
Mfr：onsemi
Package：Tape & Reel (TR),Cut Tape (CT)
Transistor Type：NPN
Current - Collector (Ic) (Max)：200 mA
Voltage - Collector Emitter Breakdown (Max)：45 V
Vce Saturation (Max) @ Ib, Ic：550mV @ 1.25mA, 50mA
Current - Collector Cutoff (Max)：20nA
DC Current Gain (hFE) (Min) @ Ic, Vce：120 @ 2mA, 5V
Power - Max：350 mW
Frequency - Transition：125MHz
Operating Temperature：-
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3
Grade：-
Qualification：-

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BCX70G

Overview

The BCX70G is an NPN epitaxial silicon transistor housed in a SOT-23 package. It features a collector-emitter voltage of 45 V and a continuous collector current of 200 mA, with a maximum power dissipation of 350 mW at 25°C. The device provides a DC current gain ranging from 120 to 220 at 2 mA and 60 to 220 at 50 mA. Key electrical characteristics include a transition frequency of 125 MHz, a collector-base breakdown voltage of 45 V, and an emitter-base breakdown voltage of 5 V.

Feature Summary

NPN epitaxial silicon construction for general-purpose amplification
Low noise figure suitable for sensitive signal processing
High transition frequency for broadband applications

Applications

General purpose amplification circuits
Low noise amplifier stages
Switching applications requiring fast turn-off times

Procurement Notes

Verify the specific datasheet revision and manufacturer documentation when sourcing this component. Confirm that the part number matches the exact specifications required for your design, particularly regarding the SOT-23 package dimensions and pinout configuration. Ensure compliance with all applicable safety standards and environmental regulations relevant to your region before finalizing procurement decisions.

Selection Notes

Select the BCX70G for designs requiring low noise performance and moderate current handling capabilities within a compact surface-mount footprint. Consider its transition frequency and saturation voltages when designing high-speed switching or amplification circuits. Evaluate thermal management requirements based on the 350 mW power dissipation limit to ensure reliable operation under expected load conditions.

Part Context

The BCX70G belongs to the family of general-purpose NPN transistors designed for versatile electronic applications. Originally developed by Fairchild Semiconductor, it is now distributed by ON Semiconductor following corporate integration. This component serves as a standard solution for basic amplification and switching tasks where small form factor and reliable performance are prioritized.