BC818-40LT1

$0.02

Description：TRANS NPN 25V 0.5A SOT23-3
Series：-

SKU:7d39ed907603 Category: Single Bipolar Transistors Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：TRANS NPN 25V 0.5A SOT23-3
Series：-
Mfr：onsemi
Package：Tape & Reel (TR)
Transistor Type：NPN
Current - Collector (Ic) (Max)：500 mA
Voltage - Collector Emitter Breakdown (Max)：25 V
Vce Saturation (Max) @ Ib, Ic：700mV @ 50mA, 500mA
Current - Collector Cutoff (Max)：100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce：250 @ 100mA, 1V
Power - Max：225 mW
Frequency - Transition：100MHz
Operating Temperature：-55°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3 (TO-236)

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BC818-40LT1

Overview

The BC818-40LT1 is an NPN silicon general-purpose transistor manufactured by onsemi. It operates with a collector-emitter voltage of 25 V and a continuous collector current of 500 mA dc. The device features a DC current gain ranging from 250 to 600 at 100 mA, with a maximum saturation voltage of 0.7 V. It utilizes a SOT-23 package (CASE 318) and supports junction temperatures up to 150 °C.

Feature Summary

NPN Silicon General-Purpose Transistor
SOT-23 Surface-Mount Package
High Current Gain Capability

Applications

General purpose switching applications
Amplifier circuits

Procurement Notes

Verify the specific ordering suffix LT1 against official documentation to confirm tape and reel packaging specifications. Ensure compatibility with standard SOT-23 footprint dimensions during PCB layout. Confirm RoHS compliance status if required for the target assembly process.

Selection Notes

Select this component for designs requiring a compact NPN transistor with moderate voltage ratings. The SOT-23 form factor suits space-constrained surface-mount layouts. Evaluate thermal dissipation requirements relative to the specified power limits on FR-5 or alumina substrates.

Part Context

This part belongs to the BC818 series of NPN silicon transistors designed for general-purpose use. It serves as the complementary counterpart to the BC808 PNP series within the same family. The device is optimized for low-voltage, small-signal amplification and switching tasks in consumer electronics.