Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
2N5551-AT/P是由KEC公司生产的一款高性能NPN型双极性晶体管(BJT),广泛应用于各种电子设备中。其产品规格包括具有较高的增益、较强的负载能力以及宽广的工作电压范围,使其成为市场上常用的基础元件之一。此器件特别适合于放大和开关应用,能够满足从信号处理到电源控制的多种需求。
作为一个NPN型三极管,2N5551的工作原理基于电流控制。这种元器件有三个引脚:集电极(C)、基极(B)和发射极(E)。在正常工作的情况下,通过基极输入一个微小的电流(Ib),能够控制较大电流从集电极流向发射极(Ic)。这种放大能力使得三极管在音频放大、信号调制等应用中具有不可或缺的地位。
由于其优异的电性能,2N5551-AT/P在多个领域有着广泛应用:
音频放大器: 由于其较高的增益和较低的失真特性,2N5551适合用作音频信号的放大器,尤其在高保真音响设备中。
开关电路: 该三极管的高负载能力使其能够可靠地驱动电机和其他负载,广泛应用于开关电源设计中。
信号处理: 在无线通信和传感器应用中,用于信号的放大和处理,确保高效传输。
电源管理: 在电源开关和稳压电源电路中,2N5551能够作为控制器件,保证设备的稳定运行。
2N5551的几项关键性能特征包括:
高增益: 在10mA的基极电流下,能够实现显著的电流放大,这是在设计音频放大或开关电路时的一个关键因素。
宽电压范围: 最大集电极-发射极电压160V使得2N5551能够在较高的电压环境下稳定工作,适合于高压电路的设计。
低功耗设计: 最大功耗625mW使其适合用在需要低功耗的小型电子设备中,能够帮助提高设备的整体能效。
2N5551-AT/P采用TO-92-3封装,这是一种常见的塑料封装,具有良好的机械强度和散热性能。相对较小的封装体积适合于空间有限的应用,且能够方便PCB的布线与组装。
总体来看,2N5551-AT/P是一款可靠且多功能的三极管,适合于多种电子电路的设计与应用。其卓越的性能参数、宽广的适用范围以及合理的价格,使其成为电路设计师和工程师优先选择的元件之一。无论是在商业设备、消费电子,还是在研究开发项目中,2N5551都展现出了其重要的价值与应用潜力。
Request for quote
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products