What are the key features of Nexperia USA Inc. BC817-40QA?

This product belongs to the Bipolar Transistors - BJT category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Nexperia USA Inc. with full traceability.

What are the main application scenarios for BC817-40QA?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does BC817-40QA work?

This device follows established Bipolar Transistors - BJT design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of BC817-40QA?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for BC817-40QA?

The global Bipolar Transistors - BJT market is growing at ~6-8% CAGR, with particularly strong demand in power management. Nexperia USA Inc. BC817-40QA is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of BC817-40QA?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Nexperia USA Inc. provides full technical support and reference designs.

BC817-40QA Bipolar Transistors - BJT by Nexperia USA Inc.

BC817-40QA | Nexperia USA Inc. Bipolar Transistors - BJT

Category: Bipolar Transistors - BJT

Brand: Nexperia USA Inc.

Bipolar Transistors - BJT

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: Bipolar Transistors - BJT

Technical Parameters

Category	Bipolar Transistors - BJT
Collector Current	500 mA
Collector Emitter Saturation Voltage	0.2 V max
Configuration	Single
Description	Bipolar Transistors - BJT
Emitter Base Voltage	5 V
Hfe	hFE 400-1000
Manufacturer	Nexperia
Mounting Style	Surface Mount
Mounting Type	Surface Mount
Noise Figure	5 dB typical
Package Type	SOT-23
Polarity	NPN
Power Dissipation	350 mW
Temperature Range	-65 to +150 C
Transistor Type	BJT
Transition Frequency	100 MHz
Vceo	45 V

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

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BC817-40QA Application and Selection Guide

BC817-40QA Model and Manufacturer Information

BC817-40QA, a Bipolar Transistors - BJT manufactured by Nexperia: BC817-40QA helps you confirm the specific model, while Nexperia helps you confirm the product source. If you are selecting a part, you can first check whether BC817-40QA meets your requirements, then check whether Nexperia matches your expectations, and then refer to Bipolar Transistors - BJT for further evaluation.

BC817-40QA Product Parameters and Description

The main parameters of Nexperia's Bipolar Transistors - BJT product BC817-40QA include Bipolar Transistors - BJT. This is a Bipolar Transistors - BJT produced by Nexperia, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

BC817-40QA Application and Selection Reference

Nexperia's Bipolar Transistors - BJT product BC817-40QA has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, BC817-40QA is a Bipolar Transistors - BJT solution worth considering, and manufacturer Nexperia provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for BC817-40QA

Designers looking for BC817-40QA recommended parts can evaluate the following options. BC817-40QA selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
BCP51-QX	Nexperia USA Inc.	Bipolar Transistors - BJT BCP51-Q/SOT223/SC-73
BC817-40W,115	Nexperia USA Inc.	TRANS NPN 45V 0.5A SOT323
BC857AMB,315	Nexperia USA Inc.	TRANS PNP 45V 0.1A 3DFN

EZKEY can provide BC817-40QA recommended part comparison data and engineering samples for evaluation.