WMSIC Electronic Components

UTC 2N5551G-B-AB3-R 2N5551G

UTC 2N5551G-B-AB3-R 2N5551G
1 / 3

Product image

Model2N5551G-B-AB3-R
PackageSOT-89(SOT-89-3)
BrandUTC
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Option 172986

Availability on request

Send RFQ Contact customer service

Technical data

Product details

19 specifications

Core information

Product name
UTC 2N5551G-B-AB3-R
Type
UTC
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UTC
Electronic Component
2N5551G-B-AB3-R
Electronic Component
1
Package
SOT-89(SOT-89-3)
Electronic Component
1 NPN
Electronic Component
Transistor(BJT)
Electronic Component
0.144g
Electronic Component
1
Electronic Component
BM69416035
Transistor Type
NPN
Frequency(f T)
100MHz
Power Dissipation(Pd)
500mW
Electronic Component
Electronic Component
Electronic Component
4000
Collector Current(Ic)
600mA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

产品概述：2N5551G-B-AB3-R

一、产品简介

2N5551G-B-AB3-R 是一款由知名品牌 UTC（友顺）制造的高性能 NPN 型三极管，专为中等功率和驱动应用而设计。该器件具备额定功率为500毫瓦（mW），最大集电极-发射极电压达160伏（V），最高集电极电流可达到600毫安（mA），采用 SOT-89 封装。这些特性使得2N5551G-B-AB3-R 适用于各种电子电路和系统。

二、关键特性

  1. 高电压和电流： 2N5551G-B-AB3-R 的集电极-发射极击穿电压（Vceo）高达160V，极大地拓展了其应用范围，尤其是在需要高电压的场合。同时，最大集电极电流达到600mA，能够满足中等功率负载的驱动需求。

  2. 小型封装设计： 采用 SOT-89-3 封装，体积小，适合高密度布板设计。此封装不仅节省空间，而且对散热的影响也较小，在一定程度上增强了产品的性能。

  3. NPN 结构： 该三极管的 NPN 结构使其在开关和放大电路中表现出色，具备良好的增益特性。NPN 型三极管在电路中的应用非常广泛，能够高效地进行信号放大和开关控制。

  4. 优异的温度特性： 2N5551G-B-AB3-R 在宽广的温度范围内（通常为-55°C到150°C）保持稳定的电气性能，适合各种工作环境。

三、应用领域

2N5551G-B-AB3-R 广泛应用于以下几个领域：

  1. 电子开关： 此三极管能够作为开关，控制低功率到中功率的负载，如继电器、灯光等。

  2. 信号放大： 由于其优良的增益特性，2N5551G-B-AB3-R 常被用于音频放大电路和射频调制解调器中，提供信号放大的解决方案。

  3. 电流驱动： 在驱动大功率 LED、马达或其他功率设备时，2N5551G-B-AB3-R 的高电流能力使其成为一个可行的选择。

  4. 反馈电路： 在控制系统中，该三极管可用于反馈电路，以实现精确的电流和电压控制。

四、设计指导

在使用2N5551G-B-AB3-R 进行电路设计时，有几个关键点需要注意：

  1. 散热设计： 尽管2N5551G-B-AB3-R 具有较好的功率处理能力，但在设计电路时仍需考虑散热管理，确保器件的工作温度在安全范围内。

  2. 保护电路： 在应用中，为了避免过压和过流情况，建议使用适当的保护电路，例如限流电阻或齐纳二极管，以保护三极管免受损坏。

  3. 选择合适的偏置： 根据具体的应用要求，需合理选择偏置电压和电流，以确保三极管的正常工作状态和性能。

五、结论

综上所述，2N5551G-B-AB3-R 是一款功能强大且广泛适用于多种电子应用的 NPN 型三极管。其高电压、高电流和小型封装的特性，为工程师在设计中提供了更多的灵活性。作为UTC（友顺）这一品牌的代表作，2N5551G-B-AB3-R 的可靠性和性能得到了业界的认可，适合用于各类电子设备和控制系统。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

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.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.