What are the key features of ON Semiconductor BD681?

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 ON Semiconductor with full traceability.

What are the main application scenarios for BD681?

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.

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 BD681?

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 BD681?

The global Bipolar Transistors - BJT market is growing at ~6-8% CAGR, with particularly strong demand in power management. ON Semiconductor BD681 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 BD681?

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, ON Semiconductor provides full technical support and reference designs.

BD681 TRANS NPN DARL 100V 4A TO225AA by ON Semiconductor

BD681 | ON Semiconductor TRANS NPN DARL 100V 4A TO225AA

Category: Bipolar Transistors - BJT

Brand: ON Semiconductor

TRANS NPN DARL 100V 4A TO225AA

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: TRANS NPN DARL 100V 4A TO225AA

Technical Parameters

Brand	ON Semiconductor
Collector Current	3-8 A
Collector-Emitter Voltage	60-100 V
Configuration	NPN / PNP
DC Current Gain	50-250
Device Type	Bipolar Power Transistor (BJT)
Lead Free	Yes
Mounting Type	Through Hole
Operating Temperature	-65 to +150 C
Package	TO-220 / SOT
Packaging	Tape & Reel
Power Dissipation	65 W
Product Type	Discrete Semiconductor
RoHS	Compliant
RoHS Compliant	Yes

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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3D Model (.stp)

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BD681 Application and Selection Guide

BD681 Model and Manufacturer Information

BD681, a Bipolar Transistors - BJT manufactured by ON Semiconductor: BD681 helps you confirm the specific model, while ON Semiconductor helps you confirm the product source. If you are selecting a part, you can first check whether BD681 meets your requirements, then check whether ON Semiconductor matches your expectations, and then refer to TRANS NPN DARL 100V 4A TO225AA for further evaluation.

BD681 Product Parameters and Description

The main parameters of ON Semiconductor's Bipolar Transistors - BJT product BD681 include TRANS NPN DARL 100V 4A TO225AA. This is a Bipolar Transistors - BJT produced by ON Semiconductor, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

BD681 Application and Selection Reference

ON Semiconductor's Bipolar Transistors - BJT product BD681 has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, BD681 is a Bipolar Transistors - BJT solution worth considering, and manufacturer ON Semiconductor provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for BD681

Designers looking for BD681 recommended parts can evaluate the following options. BD681 selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
BC547BG	ON Semiconductor	TRANS NPN GP 100MA 45V TO92
BC33740TA	ON Semiconductor	TRANS NPN 45V 0.8A TO-92
2N6028 / 2N6028G	ON Semiconductor	Transistor - Programmable - Unijunction - 40 Volts - 300Mw - To 92 Case

EZKEY can provide BD681 recommended part comparison data and engineering samples for evaluation.