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.
MMBT3904M 是一种高性能的 NPN 晶体管,广泛应用于各种电子电路中,其封装形式为 SOT-723。该器件是由江苏长电(CJ)公司生产,具有较高的集成度及可靠性,在消费电子、通信、自动化控制等领域具有广泛的应用。
电流放大能力:MMBT3904M 在小信号放大和开关应用中具有良好的电流增益(hFE),可在10至100之间调节。这使得它在信号处理电路中能够有效放大输入信号,同时保持良好的线性度。
工作电压:该三极管的最大集电极-发射极电压(Vce)可达 40V,适用于多种高电压应用。同时,其最大发射极-基极电压(Vbe)为 6V,保证了其在不同电路中稳定工作的能力。
高频特性:MMBT3904M 具有较高的截止频率,通常可达到 250MHz 以上,使其适合于高频信号的处理,如射频放大器和振荡器电路。
功耗:该三极管的最大功耗为 500mW,适用于绝大多数中小功率的应用场合,在电源管理和信号调理电路中表现出色。
温度范围:温度系数极小,工作温度范围为 -55°C 至 +150°C,适应于极端环境,确保其在各种温度条件下的可靠性和稳定性。
MMBT3904M 采用 SOT-723 封装,这是一种小型表面贴装器件(Surface Mount Device,SMD),其占用空间小,适用于高密度电路板设计。这种封装不仅便于自动化焊接,同时也降低了因封装引起的寄生效应(如回路电感),从而提高了电路的整体性能。
MMBT3904M 常用于以下几个主要领域:
消费电子:如音频放大器、电视机、数字相机等,均可以利用其良好的线性和增益特性进行信号处理。
通信设备:在基站、移动电话及其他无线通信设备中,作为射频放大器、开关和混频器等实现信号的放大和调制。
汽车电子:在汽车控制系统中,广泛被用于传感器接口、信号放大及驱动电路。
工业控制:在自动化设备中,MMBT3904M 作为开关元件,用于控制电机驱动、继电器驱动及其他高电流负载的开关操作。
采用 MMBT3904M 晶体管,设计工程师可以充分利用其优良的性能来优化产品设计。其高度集成、低功耗和宽工作温度范围,使得 MM3904M 是众多电路设计中的理想选择。此外,作为一种成熟的产品,该三极管在市场上有着良好的供货保障,容易获得。
MMBT3904M 三极管凭借其卓越的电气性能、合理的封装形式和广泛的应用领域,成为电子设计中的一种主流元件。适合具有不同电气特性的各种应用,无论是小型消费电子产品,还是大型工业控制系统,都能满足设计要求。通过合理的应用,MMBT3904M 可以有效提升产品的整体性能,帮助工程师创造出更高品质的电子设备。
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